Mercurial > kallithea
annotate rhodecode/public/js/codemirror.js @ 1966:fc6063e6630b beta
code cleanup
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Sat, 28 Jan 2012 18:15:45 +0200 |
parents | a30689fc4f61 |
children | 01273e4f8d63 |
rev | line source |
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1 // All functions that need access to the editor's state live inside |
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2 // the CodeMirror function. Below that, at the bottom of the file, |
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3 // some utilities are defined. |
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4 |
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5 // CodeMirror is the only global var we claim |
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6 var CodeMirror = (function() { |
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7 // This is the function that produces an editor instance. It's |
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8 // closure is used to store the editor state. |
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9 function CodeMirror(place, givenOptions) { |
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10 // Determine effective options based on given values and defaults. |
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11 var options = {}, defaults = CodeMirror.defaults; |
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12 for (var opt in defaults) |
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13 if (defaults.hasOwnProperty(opt)) |
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14 options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; |
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15 |
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16 var targetDocument = options["document"]; |
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17 // The element in which the editor lives. |
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18 var wrapper = targetDocument.createElement("div"); |
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19 wrapper.className = "CodeMirror"; |
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20 // This mess creates the base DOM structure for the editor. |
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21 wrapper.innerHTML = |
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22 '<div style="overflow: hidden; position: relative; width: 1px; height: 0px;">' + // Wraps and hides input textarea |
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23 '<textarea style="position: absolute; width: 10000px;" wrap="off" ' + |
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24 'autocorrect="off" autocapitalize="off"></textarea></div>' + |
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25 '<div class="CodeMirror-scroll cm-s-' + options.theme + '">' + |
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26 '<div style="position: relative">' + // Set to the height of the text, causes scrolling |
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27 '<div style="position: absolute; height: 0; width: 0; overflow: hidden;"></div>' + |
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28 '<div style="position: relative">' + // Moved around its parent to cover visible view |
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29 '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' + |
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30 // Provides positioning relative to (visible) text origin |
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31 '<div class="CodeMirror-lines"><div style="position: relative" draggable="true">' + |
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32 '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor |
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33 '<div></div>' + // This DIV contains the actual code |
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34 '</div></div></div></div></div>'; |
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35 if (place.appendChild) place.appendChild(wrapper); else place(wrapper); |
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36 // I've never seen more elegant code in my life. |
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37 var inputDiv = wrapper.firstChild, input = inputDiv.firstChild, |
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38 scroller = wrapper.lastChild, code = scroller.firstChild, |
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39 measure = code.firstChild, mover = measure.nextSibling, |
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40 gutter = mover.firstChild, gutterText = gutter.firstChild, |
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41 lineSpace = gutter.nextSibling.firstChild, |
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42 cursor = lineSpace.firstChild, lineDiv = cursor.nextSibling; |
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43 if (options.tabindex != null) input.tabindex = options.tabindex; |
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44 if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; |
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45 |
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46 // Check for problem with IE innerHTML not working when we have a |
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47 // P (or similar) parent node. |
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48 try { stringWidth("x"); } |
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49 catch (e) { |
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50 if (e.message.match(/unknown runtime/i)) |
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51 e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)"); |
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52 throw e; |
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53 } |
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54 |
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55 // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. |
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56 var poll = new Delayed(), highlight = new Delayed(), blinker; |
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57 |
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58 // mode holds a mode API object. lines an array of Line objects |
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59 // (see Line constructor), work an array of lines that should be |
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60 // parsed, and history the undo history (instance of History |
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61 // constructor). |
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62 var mode, lines = [new Line("")], work, focused; |
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63 loadMode(); |
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64 // The selection. These are always maintained to point at valid |
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65 // positions. Inverted is used to remember that the user is |
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66 // selecting bottom-to-top. |
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67 var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; |
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68 // Selection-related flags. shiftSelecting obviously tracks |
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69 // whether the user is holding shift. reducedSelection is a hack |
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70 // to get around the fact that we can't create inverted |
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71 // selections. See below. |
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72 var shiftSelecting, reducedSelection, lastClick, lastDoubleClick, draggingText; |
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73 // Variables used by startOperation/endOperation to track what |
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74 // happened during the operation. |
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75 var updateInput, changes, textChanged, selectionChanged, leaveInputAlone, gutterDirty; |
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76 // Current visible range (may be bigger than the view window). |
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77 var showingFrom = 0, showingTo = 0, lastHeight = 0, curKeyId = null; |
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78 // editing will hold an object describing the things we put in the |
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79 // textarea, to help figure out whether something changed. |
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80 // bracketHighlighted is used to remember that a backet has been |
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81 // marked. |
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82 var editing, bracketHighlighted; |
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83 // Tracks the maximum line length so that the horizontal scrollbar |
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84 // can be kept static when scrolling. |
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85 var maxLine = "", maxWidth; |
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86 |
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87 // Initialize the content. |
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88 operation(function(){setValue(options.value || ""); updateInput = false;})(); |
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89 var history = new History(); |
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90 |
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91 // Register our event handlers. |
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92 connect(scroller, "mousedown", operation(onMouseDown)); |
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93 connect(scroller, "dblclick", operation(onDoubleClick)); |
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94 connect(lineSpace, "dragstart", onDragStart); |
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95 // Gecko browsers fire contextmenu *after* opening the menu, at |
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96 // which point we can't mess with it anymore. Context menu is |
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97 // handled in onMouseDown for Gecko. |
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98 if (!gecko) connect(scroller, "contextmenu", onContextMenu); |
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99 connect(scroller, "scroll", function() { |
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100 updateDisplay([]); |
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101 if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px"; |
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102 if (options.onScroll) options.onScroll(instance); |
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103 }); |
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104 connect(window, "resize", function() {updateDisplay(true);}); |
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105 connect(input, "keyup", operation(onKeyUp)); |
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106 connect(input, "input", function() {fastPoll(curKeyId);}); |
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107 connect(input, "keydown", operation(onKeyDown)); |
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108 connect(input, "keypress", operation(onKeyPress)); |
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109 connect(input, "focus", onFocus); |
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110 connect(input, "blur", onBlur); |
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111 |
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112 connect(scroller, "dragenter", e_stop); |
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113 connect(scroller, "dragover", e_stop); |
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114 connect(scroller, "drop", operation(onDrop)); |
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115 connect(scroller, "paste", function(){focusInput(); fastPoll();}); |
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116 connect(input, "paste", function(){fastPoll();}); |
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117 connect(input, "cut", function(){fastPoll();}); |
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118 |
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119 // IE throws unspecified error in certain cases, when |
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120 // trying to access activeElement before onload |
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121 var hasFocus; try { hasFocus = (targetDocument.activeElement == input); } catch(e) { } |
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122 if (hasFocus) setTimeout(onFocus, 20); |
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123 else onBlur(); |
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124 |
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125 function isLine(l) {return l >= 0 && l < lines.length;} |
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126 // The instance object that we'll return. Mostly calls out to |
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127 // local functions in the CodeMirror function. Some do some extra |
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128 // range checking and/or clipping. operation is used to wrap the |
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129 // call so that changes it makes are tracked, and the display is |
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130 // updated afterwards. |
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131 var instance = wrapper.CodeMirror = { |
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132 getValue: getValue, |
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133 setValue: operation(setValue), |
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134 getSelection: getSelection, |
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135 replaceSelection: operation(replaceSelection), |
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136 focus: function(){focusInput(); onFocus(); fastPoll();}, |
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137 setOption: function(option, value) { |
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138 options[option] = value; |
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139 if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber") |
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140 operation(gutterChanged)(); |
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141 else if (option == "mode" || option == "indentUnit") loadMode(); |
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142 else if (option == "readOnly" && value == "nocursor") input.blur(); |
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143 else if (option == "theme") scroller.className = scroller.className.replace(/cm-s-\w+/, "cm-s-" + value); |
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144 }, |
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145 getOption: function(option) {return options[option];}, |
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146 undo: operation(undo), |
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147 redo: operation(redo), |
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148 indentLine: operation(function(n, dir) { |
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149 if (isLine(n)) indentLine(n, dir == null ? "smart" : dir ? "add" : "subtract"); |
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150 }), |
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151 historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, |
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152 clearHistory: function() {history = new History();}, |
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153 matchBrackets: operation(function(){matchBrackets(true);}), |
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154 getTokenAt: function(pos) { |
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155 pos = clipPos(pos); |
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156 return lines[pos.line].getTokenAt(mode, getStateBefore(pos.line), pos.ch); |
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157 }, |
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158 getStateAfter: function(line) { |
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159 line = clipLine(line == null ? lines.length - 1: line); |
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160 return getStateBefore(line + 1); |
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161 }, |
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162 cursorCoords: function(start){ |
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163 if (start == null) start = sel.inverted; |
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164 return pageCoords(start ? sel.from : sel.to); |
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165 }, |
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166 charCoords: function(pos){return pageCoords(clipPos(pos));}, |
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167 coordsChar: function(coords) { |
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168 var off = eltOffset(lineSpace); |
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169 var line = clipLine(Math.min(lines.length - 1, showingFrom + Math.floor((coords.y - off.top) / lineHeight()))); |
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170 return clipPos({line: line, ch: charFromX(clipLine(line), coords.x - off.left)}); |
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171 }, |
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172 getSearchCursor: function(query, pos, caseFold) {return new SearchCursor(query, pos, caseFold);}, |
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173 markText: operation(markText), |
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174 setMarker: operation(addGutterMarker), |
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175 clearMarker: operation(removeGutterMarker), |
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176 setLineClass: operation(setLineClass), |
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177 lineInfo: lineInfo, |
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178 addWidget: function(pos, node, scroll, vert, horiz) { |
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179 pos = localCoords(clipPos(pos)); |
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180 var top = pos.yBot, left = pos.x; |
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181 node.style.position = "absolute"; |
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182 code.appendChild(node); |
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183 if (vert == "over") top = pos.y; |
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184 else if (vert == "near") { |
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185 var vspace = Math.max(scroller.offsetHeight, lines.length * lineHeight()), |
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186 hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft(); |
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187 if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) |
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188 top = pos.y - node.offsetHeight; |
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189 if (left + node.offsetWidth > hspace) |
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190 left = hspace - node.offsetWidth; |
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191 } |
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192 node.style.top = (top + paddingTop()) + "px"; |
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193 node.style.left = node.style.right = ""; |
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194 if (horiz == "right") { |
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195 left = code.clientWidth - node.offsetWidth; |
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196 node.style.right = "0px"; |
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197 } else { |
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198 if (horiz == "left") left = 0; |
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199 else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2; |
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200 node.style.left = (left + paddingLeft()) + "px"; |
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201 } |
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202 if (scroll) |
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203 scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); |
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204 }, |
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205 |
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206 lineCount: function() {return lines.length;}, |
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207 getCursor: function(start) { |
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208 if (start == null) start = sel.inverted; |
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209 return copyPos(start ? sel.from : sel.to); |
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210 }, |
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211 somethingSelected: function() {return !posEq(sel.from, sel.to);}, |
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212 setCursor: operation(function(line, ch) { |
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213 if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch); |
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214 else setCursor(line, ch); |
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215 }), |
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216 setSelection: operation(function(from, to) {setSelection(clipPos(from), clipPos(to || from));}), |
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217 getLine: function(line) {if (isLine(line)) return lines[line].text;}, |
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218 setLine: operation(function(line, text) { |
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219 if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: lines[line].text.length}); |
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220 }), |
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221 removeLine: operation(function(line) { |
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222 if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); |
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223 }), |
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224 replaceRange: operation(replaceRange), |
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225 getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));}, |
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226 |
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227 coordsFromIndex: function(index) { |
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228 var total = lines.length, pos = 0, line, ch, len; |
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229 |
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230 for (line = 0; line < total; line++) { |
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231 len = lines[line].text.length + 1; |
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232 if (pos + len > index) { ch = index - pos; break; } |
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233 pos += len; |
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234 } |
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235 return clipPos({line: line, ch: ch}); |
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236 }, |
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237 |
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238 operation: function(f){return operation(f)();}, |
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239 refresh: function(){updateDisplay(true);}, |
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240 getInputField: function(){return input;}, |
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241 getWrapperElement: function(){return wrapper;}, |
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242 getScrollerElement: function(){return scroller;}, |
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243 getGutterElement: function(){return gutter;} |
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244 }; |
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245 |
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246 function setValue(code) { |
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247 var top = {line: 0, ch: 0}; |
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248 updateLines(top, {line: lines.length - 1, ch: lines[lines.length-1].text.length}, |
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249 splitLines(code), top, top); |
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250 updateInput = true; |
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251 } |
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252 function getValue(code) { |
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253 var text = []; |
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254 for (var i = 0, l = lines.length; i < l; ++i) |
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255 text.push(lines[i].text); |
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256 return text.join("\n"); |
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257 } |
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258 |
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259 function onMouseDown(e) { |
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260 // Check whether this is a click in a widget |
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261 for (var n = e_target(e); n != wrapper; n = n.parentNode) |
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262 if (n.parentNode == code && n != mover) return; |
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263 |
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264 // First, see if this is a click in the gutter |
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265 for (var n = e_target(e); n != wrapper; n = n.parentNode) |
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266 if (n.parentNode == gutterText) { |
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267 if (options.onGutterClick) |
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268 options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); |
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269 return e_preventDefault(e); |
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270 } |
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271 |
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272 var start = posFromMouse(e); |
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273 |
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274 switch (e_button(e)) { |
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275 case 3: |
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276 if (gecko && !mac) onContextMenu(e); |
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277 return; |
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278 case 2: |
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279 if (start) setCursor(start.line, start.ch, true); |
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280 return; |
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281 } |
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282 // For button 1, if it was clicked inside the editor |
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283 // (posFromMouse returning non-null), we have to adjust the |
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284 // selection. |
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285 if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} |
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286 |
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287 if (!focused) onFocus(); |
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288 |
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289 var now = +new Date; |
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290 if (lastDoubleClick > now - 400) { |
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291 e_preventDefault(e); |
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292 return selectLine(start.line); |
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293 } else if (lastClick > now - 400) { |
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294 lastDoubleClick = now; |
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295 e_preventDefault(e); |
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296 return selectWordAt(start); |
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297 } else { lastClick = now; } |
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298 |
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299 var last = start, going; |
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300 if (dragAndDrop && !posEq(sel.from, sel.to) && |
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301 !posLess(start, sel.from) && !posLess(sel.to, start)) { |
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302 // Let the drag handler handle this. |
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303 var up = connect(targetDocument, "mouseup", operation(function(e2) { |
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304 draggingText = false; |
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305 up(); |
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306 if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { |
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307 e_preventDefault(e2); |
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308 setCursor(start.line, start.ch, true); |
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309 focusInput(); |
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310 } |
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311 }), true); |
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312 draggingText = true; |
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313 return; |
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314 } |
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315 e_preventDefault(e); |
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316 setCursor(start.line, start.ch, true); |
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317 |
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318 function extend(e) { |
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319 var cur = posFromMouse(e, true); |
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320 if (cur && !posEq(cur, last)) { |
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321 if (!focused) onFocus(); |
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322 last = cur; |
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323 setSelectionUser(start, cur); |
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324 updateInput = false; |
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325 var visible = visibleLines(); |
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326 if (cur.line >= visible.to || cur.line < visible.from) |
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327 going = setTimeout(operation(function(){extend(e);}), 150); |
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328 } |
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329 } |
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330 |
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331 var move = connect(targetDocument, "mousemove", operation(function(e) { |
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332 clearTimeout(going); |
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333 e_preventDefault(e); |
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334 extend(e); |
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335 }), true); |
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336 var up = connect(targetDocument, "mouseup", operation(function(e) { |
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337 clearTimeout(going); |
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338 var cur = posFromMouse(e); |
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339 if (cur) setSelectionUser(start, cur); |
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340 e_preventDefault(e); |
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341 focusInput(); |
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342 updateInput = true; |
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343 move(); up(); |
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344 }), true); |
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345 } |
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346 function onDoubleClick(e) { |
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347 var start = posFromMouse(e); |
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348 if (!start) return; |
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349 lastDoubleClick = +new Date; |
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350 e_preventDefault(e); |
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351 selectWordAt(start); |
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352 } |
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353 function onDrop(e) { |
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354 e.preventDefault(); |
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355 var pos = posFromMouse(e, true), files = e.dataTransfer.files; |
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356 if (!pos || options.readOnly) return; |
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357 if (files && files.length && window.FileReader && window.File) { |
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358 function loadFile(file, i) { |
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359 var reader = new FileReader; |
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360 reader.onload = function() { |
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361 text[i] = reader.result; |
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362 if (++read == n) { |
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363 pos = clipPos(pos); |
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364 var end = replaceRange(text.join(""), pos, pos); |
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365 setSelectionUser(pos, end); |
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366 } |
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367 }; |
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368 reader.readAsText(file); |
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369 } |
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370 var n = files.length, text = Array(n), read = 0; |
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371 for (var i = 0; i < n; ++i) loadFile(files[i], i); |
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372 } |
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373 else { |
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374 try { |
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375 var text = e.dataTransfer.getData("Text"); |
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376 if (text) { |
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377 var end = replaceRange(text, pos, pos); |
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378 var curFrom = sel.from, curTo = sel.to; |
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379 setSelectionUser(pos, end); |
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380 if (draggingText) replaceRange("", curFrom, curTo); |
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381 focusInput(); |
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382 } |
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383 } |
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384 catch(e){} |
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385 } |
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386 } |
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387 function onDragStart(e) { |
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388 var txt = getSelection(); |
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389 // This will reset escapeElement |
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390 htmlEscape(txt); |
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391 e.dataTransfer.setDragImage(escapeElement, 0, 0); |
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392 e.dataTransfer.setData("Text", txt); |
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393 } |
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394 function onKeyDown(e) { |
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395 if (!focused) onFocus(); |
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396 |
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397 var code = e.keyCode; |
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398 // IE does strange things with escape. |
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399 if (ie && code == 27) { e.returnValue = false; } |
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400 // Tries to detect ctrl on non-mac, cmd on mac. |
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401 var mod = (mac ? e.metaKey : e.ctrlKey) && !e.altKey, anyMod = e.ctrlKey || e.altKey || e.metaKey; |
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402 if (code == 16 || e.shiftKey) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); |
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403 else shiftSelecting = null; |
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404 // First give onKeyEvent option a chance to handle this. |
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405 if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
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406 |
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407 if (code == 33 || code == 34) {scrollPage(code == 34); return e_preventDefault(e);} // page up/down |
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408 if (mod && ((code == 36 || code == 35) || // ctrl-home/end |
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409 mac && (code == 38 || code == 40))) { // cmd-up/down |
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410 scrollEnd(code == 36 || code == 38); return e_preventDefault(e); |
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411 } |
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412 if (mod && code == 65) {selectAll(); return e_preventDefault(e);} // ctrl-a |
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413 if (!options.readOnly) { |
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414 if (!anyMod && code == 13) {return;} // enter |
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415 if (!anyMod && code == 9 && handleTab(e.shiftKey)) return e_preventDefault(e); // tab |
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416 if (mod && code == 90) {undo(); return e_preventDefault(e);} // ctrl-z |
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417 if (mod && ((e.shiftKey && code == 90) || code == 89)) {redo(); return e_preventDefault(e);} // ctrl-shift-z, ctrl-y |
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418 } |
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419 if (code == 36) { if (options.smartHome) { smartHome(); return e_preventDefault(e); } } |
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420 |
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421 // Key id to use in the movementKeys map. We also pass it to |
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422 // fastPoll in order to 'self learn'. We need this because |
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423 // reducedSelection, the hack where we collapse the selection to |
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424 // its start when it is inverted and a movement key is pressed |
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425 // (and later restore it again), shouldn't be used for |
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426 // non-movement keys. |
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427 curKeyId = (mod ? "c" : "") + (e.altKey ? "a" : "") + code; |
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428 if (sel.inverted && movementKeys[curKeyId] === true) { |
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429 var range = selRange(input); |
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430 if (range) { |
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431 reducedSelection = {anchor: range.start}; |
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432 setSelRange(input, range.start, range.start); |
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433 } |
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434 } |
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435 // Don't save the key as a movementkey unless it had a modifier |
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436 if (!mod && !e.altKey) curKeyId = null; |
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437 fastPoll(curKeyId); |
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438 } |
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439 function onKeyUp(e) { |
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440 if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
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441 if (reducedSelection) { |
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442 reducedSelection = null; |
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443 updateInput = true; |
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444 } |
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445 if (e.keyCode == 16) shiftSelecting = null; |
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446 } |
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447 function onKeyPress(e) { |
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448 if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; |
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449 if (options.electricChars && mode.electricChars) { |
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450 var ch = String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode); |
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451 if (mode.electricChars.indexOf(ch) > -1) |
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452 setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 50); |
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453 } |
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454 var code = e.keyCode; |
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455 // Re-stop tab and enter. Necessary on some browsers. |
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456 if (code == 13) {if (!options.readOnly) handleEnter(); e_preventDefault(e);} |
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457 else if (!e.ctrlKey && !e.altKey && !e.metaKey && code == 9 && options.tabMode != "default") e_preventDefault(e); |
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458 else fastPoll(curKeyId); |
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459 } |
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460 |
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461 function onFocus() { |
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462 if (options.readOnly == "nocursor") return; |
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463 if (!focused) { |
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464 if (options.onFocus) options.onFocus(instance); |
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465 focused = true; |
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466 if (wrapper.className.search(/\bCodeMirror-focused\b/) == -1) |
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467 wrapper.className += " CodeMirror-focused"; |
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468 if (!leaveInputAlone) prepareInput(); |
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469 } |
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470 slowPoll(); |
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471 restartBlink(); |
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472 } |
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473 function onBlur() { |
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474 if (focused) { |
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475 if (options.onBlur) options.onBlur(instance); |
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476 focused = false; |
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477 wrapper.className = wrapper.className.replace(" CodeMirror-focused", ""); |
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478 } |
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479 clearInterval(blinker); |
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480 setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); |
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481 } |
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482 |
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483 // Replace the range from from to to by the strings in newText. |
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484 // Afterwards, set the selection to selFrom, selTo. |
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485 function updateLines(from, to, newText, selFrom, selTo) { |
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486 if (history) { |
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487 var old = []; |
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488 for (var i = from.line, e = to.line + 1; i < e; ++i) old.push(lines[i].text); |
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489 history.addChange(from.line, newText.length, old); |
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490 while (history.done.length > options.undoDepth) history.done.shift(); |
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491 } |
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492 updateLinesNoUndo(from, to, newText, selFrom, selTo); |
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493 } |
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494 function unredoHelper(from, to) { |
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495 var change = from.pop(); |
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496 if (change) { |
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497 var replaced = [], end = change.start + change.added; |
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498 for (var i = change.start; i < end; ++i) replaced.push(lines[i].text); |
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499 to.push({start: change.start, added: change.old.length, old: replaced}); |
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500 var pos = clipPos({line: change.start + change.old.length - 1, |
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501 ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])}); |
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502 updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: lines[end-1].text.length}, change.old, pos, pos); |
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503 updateInput = true; |
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504 } |
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505 } |
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506 function undo() {unredoHelper(history.done, history.undone);} |
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507 function redo() {unredoHelper(history.undone, history.done);} |
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508 |
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509 function updateLinesNoUndo(from, to, newText, selFrom, selTo) { |
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510 var recomputeMaxLength = false, maxLineLength = maxLine.length; |
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511 for (var i = from.line; i <= to.line; ++i) { |
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512 if (lines[i].text.length == maxLineLength) {recomputeMaxLength = true; break;} |
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513 } |
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514 |
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515 var nlines = to.line - from.line, firstLine = lines[from.line], lastLine = lines[to.line]; |
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516 // First adjust the line structure, taking some care to leave highlighting intact. |
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517 if (firstLine == lastLine) { |
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518 if (newText.length == 1) |
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519 firstLine.replace(from.ch, to.ch, newText[0]); |
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520 else { |
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521 lastLine = firstLine.split(to.ch, newText[newText.length-1]); |
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522 var spliceargs = [from.line + 1, nlines]; |
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523 firstLine.replace(from.ch, null, newText[0]); |
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524 for (var i = 1, e = newText.length - 1; i < e; ++i) |
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525 spliceargs.push(Line.inheritMarks(newText[i], firstLine)); |
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526 spliceargs.push(lastLine); |
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527 lines.splice.apply(lines, spliceargs); |
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528 } |
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529 } |
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530 else if (newText.length == 1) { |
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531 firstLine.replace(from.ch, null, newText[0]); |
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532 lastLine.replace(null, to.ch, ""); |
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533 firstLine.append(lastLine); |
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534 lines.splice(from.line + 1, nlines); |
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535 } |
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536 else { |
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537 var spliceargs = [from.line + 1, nlines - 1]; |
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538 firstLine.replace(from.ch, null, newText[0]); |
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539 lastLine.replace(null, to.ch, newText[newText.length-1]); |
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540 for (var i = 1, e = newText.length - 1; i < e; ++i) |
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541 spliceargs.push(Line.inheritMarks(newText[i], firstLine)); |
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542 lines.splice.apply(lines, spliceargs); |
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543 } |
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544 |
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545 |
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546 for (var i = from.line, e = i + newText.length; i < e; ++i) { |
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547 var l = lines[i].text; |
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548 if (l.length > maxLineLength) { |
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549 maxLine = l; maxLineLength = l.length; maxWidth = null; |
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550 recomputeMaxLength = false; |
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551 } |
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552 } |
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553 if (recomputeMaxLength) { |
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554 maxLineLength = 0; maxLine = ""; maxWidth = null; |
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555 for (var i = 0, e = lines.length; i < e; ++i) { |
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556 var l = lines[i].text; |
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557 if (l.length > maxLineLength) { |
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558 maxLineLength = l.length; maxLine = l; |
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559 } |
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560 } |
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561 } |
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562 |
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563 // Add these lines to the work array, so that they will be |
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564 // highlighted. Adjust work lines if lines were added/removed. |
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565 var newWork = [], lendiff = newText.length - nlines - 1; |
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566 for (var i = 0, l = work.length; i < l; ++i) { |
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567 var task = work[i]; |
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568 if (task < from.line) newWork.push(task); |
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569 else if (task > to.line) newWork.push(task + lendiff); |
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570 } |
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571 if (newText.length < 5) { |
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572 highlightLines(from.line, from.line + newText.length); |
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573 newWork.push(from.line + newText.length); |
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574 } else { |
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575 newWork.push(from.line); |
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576 } |
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577 work = newWork; |
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578 startWorker(100); |
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579 // Remember that these lines changed, for updating the display |
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580 changes.push({from: from.line, to: to.line + 1, diff: lendiff}); |
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581 textChanged = {from: from, to: to, text: newText}; |
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582 |
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583 // Update the selection |
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584 function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} |
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585 setSelection(selFrom, selTo, updateLine(sel.from.line), updateLine(sel.to.line)); |
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586 |
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587 // Make sure the scroll-size div has the correct height. |
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588 code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px"; |
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589 } |
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590 |
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591 function replaceRange(code, from, to) { |
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592 from = clipPos(from); |
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593 if (!to) to = from; else to = clipPos(to); |
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594 code = splitLines(code); |
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595 function adjustPos(pos) { |
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596 if (posLess(pos, from)) return pos; |
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597 if (!posLess(to, pos)) return end; |
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598 var line = pos.line + code.length - (to.line - from.line) - 1; |
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599 var ch = pos.ch; |
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600 if (pos.line == to.line) |
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601 ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0)); |
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602 return {line: line, ch: ch}; |
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603 } |
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604 var end; |
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605 replaceRange1(code, from, to, function(end1) { |
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606 end = end1; |
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607 return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; |
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608 }); |
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609 return end; |
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610 } |
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611 function replaceSelection(code, collapse) { |
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612 replaceRange1(splitLines(code), sel.from, sel.to, function(end) { |
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613 if (collapse == "end") return {from: end, to: end}; |
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614 else if (collapse == "start") return {from: sel.from, to: sel.from}; |
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615 else return {from: sel.from, to: end}; |
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616 }); |
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617 } |
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618 function replaceRange1(code, from, to, computeSel) { |
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619 var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length; |
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620 var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); |
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621 updateLines(from, to, code, newSel.from, newSel.to); |
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622 } |
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623 |
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624 function getRange(from, to) { |
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625 var l1 = from.line, l2 = to.line; |
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626 if (l1 == l2) return lines[l1].text.slice(from.ch, to.ch); |
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627 var code = [lines[l1].text.slice(from.ch)]; |
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628 for (var i = l1 + 1; i < l2; ++i) code.push(lines[i].text); |
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629 code.push(lines[l2].text.slice(0, to.ch)); |
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630 return code.join("\n"); |
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631 } |
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632 function getSelection() { |
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633 return getRange(sel.from, sel.to); |
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634 } |
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635 |
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636 var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll |
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637 function slowPoll() { |
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638 if (pollingFast) return; |
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639 poll.set(2000, function() { |
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640 startOperation(); |
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641 readInput(); |
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642 if (focused) slowPoll(); |
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643 endOperation(); |
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644 }); |
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645 } |
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646 function fastPoll(keyId) { |
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647 var missed = false; |
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648 pollingFast = true; |
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649 function p() { |
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650 startOperation(); |
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651 var changed = readInput(); |
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652 if (changed && keyId) { |
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653 if (changed == "moved" && movementKeys[keyId] == null) movementKeys[keyId] = true; |
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654 if (changed == "changed") movementKeys[keyId] = false; |
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655 } |
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656 if (!changed && !missed) {missed = true; poll.set(80, p);} |
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657 else {pollingFast = false; slowPoll();} |
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658 endOperation(); |
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659 } |
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660 poll.set(20, p); |
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661 } |
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662 |
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663 // Inspects the textarea, compares its state (content, selection) |
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664 // to the data in the editing variable, and updates the editor |
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665 // content or cursor if something changed. |
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666 function readInput() { |
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667 if (leaveInputAlone || !focused) return; |
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668 var changed = false, text = input.value, sr = selRange(input); |
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669 if (!sr) return false; |
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670 var changed = editing.text != text, rs = reducedSelection; |
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671 var moved = changed || sr.start != editing.start || sr.end != (rs ? editing.start : editing.end); |
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672 if (!moved && !rs) return false; |
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673 if (changed) { |
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674 shiftSelecting = reducedSelection = null; |
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675 if (options.readOnly) {updateInput = true; return "changed";} |
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676 } |
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677 |
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678 // Compute selection start and end based on start/end offsets in textarea |
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679 function computeOffset(n, startLine) { |
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680 var pos = 0; |
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681 for (;;) { |
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682 var found = text.indexOf("\n", pos); |
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683 if (found == -1 || (text.charAt(found-1) == "\r" ? found - 1 : found) >= n) |
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684 return {line: startLine, ch: n - pos}; |
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685 ++startLine; |
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686 pos = found + 1; |
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687 } |
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688 } |
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689 var from = computeOffset(sr.start, editing.from), |
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690 to = computeOffset(sr.end, editing.from); |
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691 // Here we have to take the reducedSelection hack into account, |
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692 // so that you can, for example, press shift-up at the start of |
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693 // your selection and have the right thing happen. |
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694 if (rs) { |
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695 var head = sr.start == rs.anchor ? to : from; |
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696 var tail = shiftSelecting ? sel.to : sr.start == rs.anchor ? from : to; |
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697 if (sel.inverted = posLess(head, tail)) { from = head; to = tail; } |
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698 else { reducedSelection = null; from = tail; to = head; } |
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699 } |
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700 |
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701 // In some cases (cursor on same line as before), we don't have |
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702 // to update the textarea content at all. |
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703 if (from.line == to.line && from.line == sel.from.line && from.line == sel.to.line && !shiftSelecting) |
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704 updateInput = false; |
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705 |
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706 // Magic mess to extract precise edited range from the changed |
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707 // string. |
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708 if (changed) { |
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709 var start = 0, end = text.length, len = Math.min(end, editing.text.length); |
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710 var c, line = editing.from, nl = -1; |
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711 while (start < len && (c = text.charAt(start)) == editing.text.charAt(start)) { |
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712 ++start; |
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713 if (c == "\n") {line++; nl = start;} |
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714 } |
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715 var ch = nl > -1 ? start - nl : start, endline = editing.to - 1, edend = editing.text.length; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
716 for (;;) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
717 c = editing.text.charAt(edend); |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
718 if (text.charAt(end) != c) {++end; ++edend; break;} |
1305
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
719 if (c == "\n") endline--; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
720 if (edend <= start || end <= start) break; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
721 --end; --edend; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
722 } |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
723 var nl = editing.text.lastIndexOf("\n", edend - 1), endch = nl == -1 ? edend : edend - nl - 1; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
724 updateLines({line: line, ch: ch}, {line: endline, ch: endch}, splitLines(text.slice(start, end)), from, to); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
725 if (line != endline || from.line != line) updateInput = true; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
726 } |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
727 else setSelection(from, to); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
728 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
729 editing.text = text; editing.start = sr.start; editing.end = sr.end; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
730 return changed ? "changed" : moved ? "moved" : false; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
731 } |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
732 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
733 // Set the textarea content and selection range to match the |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
734 // editor state. |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
735 function prepareInput() { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
736 var text = []; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
737 var from = Math.max(0, sel.from.line - 1), to = Math.min(lines.length, sel.to.line + 2); |
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Added server side file editing with commit
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parents:
diff
changeset
|
738 for (var i = from; i < to; ++i) text.push(lines[i].text); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
739 text = input.value = text.join(lineSep); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
740 var startch = sel.from.ch, endch = sel.to.ch; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
741 for (var i = from; i < sel.from.line; ++i) |
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parents:
diff
changeset
|
742 startch += lineSep.length + lines[i].text.length; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
743 for (var i = from; i < sel.to.line; ++i) |
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parents:
diff
changeset
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744 endch += lineSep.length + lines[i].text.length; |
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parents:
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changeset
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745 editing = {text: text, from: from, to: to, start: startch, end: endch}; |
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parents:
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changeset
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746 setSelRange(input, startch, reducedSelection ? startch : endch); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
747 } |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
|
748 function focusInput() { |
a30689fc4f61
bumped codemirror to latest version
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diff
changeset
|
749 if (options.readOnly != "nocursor") input.focus(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
|
750 } |
1305
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parents:
diff
changeset
|
751 |
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parents:
1305
diff
changeset
|
752 function scrollEditorIntoView() { |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
753 if (!cursor.getBoundingClientRect) return; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
754 var rect = cursor.getBoundingClientRect(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
755 var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); |
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
756 if (rect.top < 0 || rect.bottom > winH) cursor.scrollIntoView(); |
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
757 } |
1305
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
758 function scrollCursorIntoView() { |
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parents:
diff
changeset
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759 var cursor = localCoords(sel.inverted ? sel.from : sel.to); |
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parents:
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760 return scrollIntoView(cursor.x, cursor.y, cursor.x, cursor.yBot); |
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parents:
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|
761 } |
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parents:
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762 function scrollIntoView(x1, y1, x2, y2) { |
1606
a30689fc4f61
bumped codemirror to latest version
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763 var pl = paddingLeft(), pt = paddingTop(), lh = lineHeight(); |
1305
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764 y1 += pt; y2 += pt; x1 += pl; x2 += pl; |
1606
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bumped codemirror to latest version
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parents:
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diff
changeset
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765 var screen = scroller.clientHeight, screentop = scroller.scrollTop, scrolled = false, result = true; |
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bumped codemirror to latest version
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766 if (y1 < screentop) {scroller.scrollTop = Math.max(0, y1 - 2*lh); scrolled = true;} |
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bumped codemirror to latest version
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parents:
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767 else if (y2 > screentop + screen) {scroller.scrollTop = y2 + lh - screen; scrolled = true;} |
1305
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|
768 |
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diff
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769 var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; |
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bumped codemirror to latest version
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parents:
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770 var gutterw = options.fixedGutter ? gutter.clientWidth : 0; |
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parents:
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changeset
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771 if (x1 < screenleft + gutterw) { |
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bumped codemirror to latest version
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parents:
1305
diff
changeset
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772 if (x1 < 50) x1 = 0; |
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bumped codemirror to latest version
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parents:
1305
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changeset
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773 scroller.scrollLeft = Math.max(0, x1 - 10 - gutterw); |
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
774 scrolled = true; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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changeset
|
775 } |
1305
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parents:
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changeset
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776 else if (x2 > screenw + screenleft) { |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
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|
777 scroller.scrollLeft = x2 + 10 - screenw; |
1305
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parents:
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778 scrolled = true; |
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parents:
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779 if (x2 > code.clientWidth) result = false; |
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parents:
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|
780 } |
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parents:
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changeset
|
781 if (scrolled && options.onScroll) options.onScroll(instance); |
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parents:
diff
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|
782 return result; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
783 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
784 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
785 function visibleLines() { |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
|
786 var lh = lineHeight(), top = scroller.scrollTop - paddingTop(); |
1305
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parents:
diff
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787 return {from: Math.min(lines.length, Math.max(0, Math.floor(top / lh))), |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
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|
788 to: Math.min(lines.length, Math.ceil((top + scroller.clientHeight) / lh))}; |
1305
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parents:
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|
789 } |
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parents:
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790 // Uses a set of changes plus the current scroll position to |
166317d464f3
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parents:
diff
changeset
|
791 // determine which DOM updates have to be made, and makes the |
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Added server side file editing with commit
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parents:
diff
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|
792 // updates. |
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parents:
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|
793 function updateDisplay(changes) { |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
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changeset
|
794 if (!scroller.clientWidth) { |
1305
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parents:
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|
795 showingFrom = showingTo = 0; |
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parents:
diff
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|
796 return; |
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parents:
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|
797 } |
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parents:
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|
798 // First create a range of theoretically intact lines, and punch |
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parents:
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|
799 // holes in that using the change info. |
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parents:
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|
800 var intact = changes === true ? [] : [{from: showingFrom, to: showingTo, domStart: 0}]; |
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801 for (var i = 0, l = changes.length || 0; i < l; ++i) { |
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802 var change = changes[i], intact2 = [], diff = change.diff || 0; |
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parents:
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803 for (var j = 0, l2 = intact.length; j < l2; ++j) { |
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parents:
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804 var range = intact[j]; |
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parents:
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805 if (change.to <= range.from) |
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parents:
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806 intact2.push({from: range.from + diff, to: range.to + diff, domStart: range.domStart}); |
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parents:
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807 else if (range.to <= change.from) |
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parents:
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808 intact2.push(range); |
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parents:
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809 else { |
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parents:
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810 if (change.from > range.from) |
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811 intact2.push({from: range.from, to: change.from, domStart: range.domStart}); |
1305
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812 if (change.to < range.to) |
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parents:
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813 intact2.push({from: change.to + diff, to: range.to + diff, |
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814 domStart: range.domStart + (change.to - range.from)}); |
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parents:
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815 } |
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parents:
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816 } |
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parents:
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817 intact = intact2; |
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parents:
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818 } |
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parents:
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819 |
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parents:
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820 // Then, determine which lines we'd want to see, and which |
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parents:
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821 // updates have to be made to get there. |
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parents:
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822 var visible = visibleLines(); |
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parents:
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823 var from = Math.min(showingFrom, Math.max(visible.from - 3, 0)), |
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824 to = Math.min(lines.length, Math.max(showingTo, visible.to + 3)), |
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parents:
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825 updates = [], domPos = 0, domEnd = showingTo - showingFrom, pos = from, changedLines = 0; |
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826 |
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parents:
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827 for (var i = 0, l = intact.length; i < l; ++i) { |
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parents:
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828 var range = intact[i]; |
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parents:
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829 if (range.to <= from) continue; |
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parents:
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830 if (range.from >= to) break; |
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parents:
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831 if (range.domStart > domPos || range.from > pos) { |
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parents:
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832 updates.push({from: pos, to: range.from, domSize: range.domStart - domPos, domStart: domPos}); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
833 changedLines += range.from - pos; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
834 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
835 pos = range.to; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
836 domPos = range.domStart + (range.to - range.from); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
837 } |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
838 if (domPos != domEnd || pos != to) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
839 changedLines += Math.abs(to - pos); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
840 updates.push({from: pos, to: to, domSize: domEnd - domPos, domStart: domPos}); |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
841 if (to - pos != domEnd - domPos) gutterDirty = true; |
1305
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parents:
diff
changeset
|
842 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
843 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
844 if (!updates.length) return; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
845 lineDiv.style.display = "none"; |
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parents:
diff
changeset
|
846 // If more than 30% of the screen needs update, just do a full |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
847 // redraw (which is quicker than patching) |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
848 if (changedLines > (visible.to - visible.from) * .3) |
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Added server side file editing with commit
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parents:
diff
changeset
|
849 refreshDisplay(from = Math.max(visible.from - 10, 0), to = Math.min(visible.to + 7, lines.length)); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
850 // Otherwise, only update the stuff that needs updating. |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
851 else |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
852 patchDisplay(updates); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
853 lineDiv.style.display = ""; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
854 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
855 // Position the mover div to align with the lines it's supposed |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
856 // to be showing (which will cover the visible display) |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
857 var different = from != showingFrom || to != showingTo || lastHeight != scroller.clientHeight; |
1305
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Added server side file editing with commit
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parents:
diff
changeset
|
858 showingFrom = from; showingTo = to; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
859 mover.style.top = (from * lineHeight()) + "px"; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
860 if (different) { |
1606
a30689fc4f61
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Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
861 lastHeight = scroller.clientHeight; |
1305
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|
862 code.style.height = (lines.length * lineHeight() + 2 * paddingTop()) + "px"; |
1606
a30689fc4f61
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parents:
1305
diff
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|
863 } |
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parents:
1305
diff
changeset
|
864 if (different || gutterDirty) updateGutter(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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|
865 |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
866 if (maxWidth == null) maxWidth = stringWidth(maxLine); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
867 if (maxWidth > scroller.clientWidth) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
868 lineSpace.style.width = maxWidth + "px"; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
869 // Needed to prevent odd wrapping/hiding of widgets placed in here. |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
870 code.style.width = ""; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
871 code.style.width = scroller.scrollWidth + "px"; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
872 } else { |
a30689fc4f61
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Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
873 lineSpace.style.width = code.style.width = ""; |
1305
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
874 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
875 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
876 // Since this is all rather error prone, it is honoured with the |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
877 // only assertion in the whole file. |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
878 if (lineDiv.childNodes.length != showingTo - showingFrom) |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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879 throw new Error("BAD PATCH! " + JSON.stringify(updates) + " size=" + (showingTo - showingFrom) + |
166317d464f3
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parents:
diff
changeset
|
880 " nodes=" + lineDiv.childNodes.length); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
881 updateCursor(); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
882 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
883 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
884 function refreshDisplay(from, to) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
885 var html = [], start = {line: from, ch: 0}, inSel = posLess(sel.from, start) && !posLess(sel.to, start); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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886 for (var i = from; i < to; ++i) { |
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Added server side file editing with commit
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parents:
diff
changeset
|
887 var ch1 = null, ch2 = null; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
888 if (inSel) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
889 ch1 = 0; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
890 if (sel.to.line == i) {inSel = false; ch2 = sel.to.ch;} |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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891 } |
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parents:
diff
changeset
|
892 else if (sel.from.line == i) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
893 if (sel.to.line == i) {ch1 = sel.from.ch; ch2 = sel.to.ch;} |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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894 else {inSel = true; ch1 = sel.from.ch;} |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
895 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
896 html.push(lines[i].getHTML(ch1, ch2, true)); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
897 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
898 lineDiv.innerHTML = html.join(""); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
899 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
900 function patchDisplay(updates) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
901 // Slightly different algorithm for IE (badInnerHTML), since |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
902 // there .innerHTML on PRE nodes is dumb, and discards |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
903 // whitespace. |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
904 var sfrom = sel.from.line, sto = sel.to.line, off = 0, |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
905 scratch = badInnerHTML && targetDocument.createElement("div"); |
1305
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
906 for (var i = 0, e = updates.length; i < e; ++i) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
907 var rec = updates[i]; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
908 var extra = (rec.to - rec.from) - rec.domSize; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
909 var nodeAfter = lineDiv.childNodes[rec.domStart + rec.domSize + off] || null; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
910 if (badInnerHTML) |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
911 for (var j = Math.max(-extra, rec.domSize); j > 0; --j) |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
912 lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
913 else if (extra) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
914 for (var j = Math.max(0, extra); j > 0; --j) |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
915 lineDiv.insertBefore(targetDocument.createElement("pre"), nodeAfter); |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
916 for (var j = Math.max(0, -extra); j > 0; --j) |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
917 lineDiv.removeChild(nodeAfter ? nodeAfter.previousSibling : lineDiv.lastChild); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
918 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
919 var node = lineDiv.childNodes[rec.domStart + off], inSel = sfrom < rec.from && sto >= rec.from; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
920 for (var j = rec.from; j < rec.to; ++j) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
921 var ch1 = null, ch2 = null; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
922 if (inSel) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
923 ch1 = 0; |
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parents:
diff
changeset
|
924 if (sto == j) {inSel = false; ch2 = sel.to.ch;} |
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parents:
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|
925 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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926 else if (sfrom == j) { |
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parents:
diff
changeset
|
927 if (sto == j) {ch1 = sel.from.ch; ch2 = sel.to.ch;} |
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parents:
diff
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928 else {inSel = true; ch1 = sel.from.ch;} |
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parents:
diff
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|
929 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
930 if (badInnerHTML) { |
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parents:
diff
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|
931 scratch.innerHTML = lines[j].getHTML(ch1, ch2, true); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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932 lineDiv.insertBefore(scratch.firstChild, nodeAfter); |
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parents:
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|
933 } |
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parents:
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934 else { |
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parents:
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935 node.innerHTML = lines[j].getHTML(ch1, ch2, false); |
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parents:
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936 node.className = lines[j].className || ""; |
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parents:
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937 node = node.nextSibling; |
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parents:
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|
938 } |
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parents:
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|
939 } |
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parents:
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940 off += extra; |
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parents:
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|
941 } |
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parents:
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|
942 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
943 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
944 function updateGutter() { |
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parents:
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945 if (!options.gutter && !options.lineNumbers) return; |
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parents:
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946 var hText = mover.offsetHeight, hEditor = scroller.clientHeight; |
1305
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parents:
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947 gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; |
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parents:
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948 var html = []; |
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parents:
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949 for (var i = showingFrom; i < Math.max(showingTo, showingFrom + 1); ++i) { |
1305
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parents:
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950 var marker = lines[i].gutterMarker; |
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parents:
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951 var text = options.lineNumbers ? i + options.firstLineNumber : null; |
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parents:
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952 if (marker && marker.text) |
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parents:
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953 text = marker.text.replace("%N%", text != null ? text : ""); |
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parents:
diff
changeset
|
954 else if (text == null) |
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Added server side file editing with commit
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diff
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|
955 text = "\u00a0"; |
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|
956 html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text, "</pre>"); |
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|
957 } |
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diff
changeset
|
958 gutter.style.display = "none"; |
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diff
changeset
|
959 gutterText.innerHTML = html.join(""); |
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|
960 var minwidth = String(lines.length).length, firstNode = gutterText.firstChild, val = eltText(firstNode), pad = ""; |
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|
961 while (val.length + pad.length < minwidth) pad += "\u00a0"; |
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|
962 if (pad) firstNode.insertBefore(targetDocument.createTextNode(pad), firstNode.firstChild); |
1305
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|
963 gutter.style.display = ""; |
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diff
changeset
|
964 lineSpace.style.marginLeft = gutter.offsetWidth + "px"; |
1606
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|
965 gutterDirty = false; |
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|
966 } |
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|
967 function updateCursor() { |
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|
968 var head = sel.inverted ? sel.from : sel.to, lh = lineHeight(); |
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969 var x = charX(head.line, head.ch); |
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970 var top = head.line * lh - scroller.scrollTop; |
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|
971 inputDiv.style.top = Math.max(Math.min(top, scroller.offsetHeight), 0) + "px"; |
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|
972 inputDiv.style.left = (x - scroller.scrollLeft) + "px"; |
1305
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973 if (posEq(sel.from, sel.to)) { |
1606
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974 cursor.style.top = (head.line - showingFrom) * lh + "px"; |
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975 cursor.style.left = x + "px"; |
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976 cursor.style.display = ""; |
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977 } |
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978 else cursor.style.display = "none"; |
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979 } |
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|
980 |
1606
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|
981 function setSelectionUser(from, to) { |
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982 var sh = shiftSelecting && clipPos(shiftSelecting); |
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|
983 if (sh) { |
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984 if (posLess(sh, from)) from = sh; |
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985 else if (posLess(to, sh)) to = sh; |
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986 } |
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987 setSelection(from, to); |
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988 } |
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989 // Update the selection. Last two args are only used by |
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990 // updateLines, since they have to be expressed in the line |
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991 // numbers before the update. |
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992 function setSelection(from, to, oldFrom, oldTo) { |
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993 if (posEq(sel.from, from) && posEq(sel.to, to)) return; |
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994 if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} |
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995 |
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996 if (posEq(from, to)) sel.inverted = false; |
1606
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997 else if (posEq(from, sel.to)) sel.inverted = false; |
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998 else if (posEq(to, sel.from)) sel.inverted = true; |
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999 |
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parents:
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1000 // Some ugly logic used to only mark the lines that actually did |
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parents:
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1001 // see a change in selection as changed, rather than the whole |
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1002 // selected range. |
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1003 if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} |
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1004 if (posEq(from, to)) { |
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1005 if (!posEq(sel.from, sel.to)) |
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1006 changes.push({from: oldFrom, to: oldTo + 1}); |
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1007 } |
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1008 else if (posEq(sel.from, sel.to)) { |
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1009 changes.push({from: from.line, to: to.line + 1}); |
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1010 } |
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1011 else { |
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1012 if (!posEq(from, sel.from)) { |
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1013 if (from.line < oldFrom) |
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1014 changes.push({from: from.line, to: Math.min(to.line, oldFrom) + 1}); |
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1015 else |
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1016 changes.push({from: oldFrom, to: Math.min(oldTo, from.line) + 1}); |
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1017 } |
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1018 if (!posEq(to, sel.to)) { |
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1019 if (to.line < oldTo) |
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1020 changes.push({from: Math.max(oldFrom, from.line), to: oldTo + 1}); |
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1021 else |
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1022 changes.push({from: Math.max(from.line, oldTo), to: to.line + 1}); |
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1023 } |
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parents:
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1024 } |
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parents:
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1025 sel.from = from; sel.to = to; |
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1026 selectionChanged = true; |
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parents:
diff
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|
1027 } |
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1028 function setCursor(line, ch, user) { |
1305
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diff
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1029 var pos = clipPos({line: line, ch: ch || 0}); |
1606
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diff
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|
1030 (user ? setSelectionUser : setSelection)(pos, pos); |
1305
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1031 } |
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|
1032 |
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1033 function clipLine(n) {return Math.max(0, Math.min(n, lines.length-1));} |
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1034 function clipPos(pos) { |
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1035 if (pos.line < 0) return {line: 0, ch: 0}; |
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1036 if (pos.line >= lines.length) return {line: lines.length-1, ch: lines[lines.length-1].text.length}; |
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1037 var ch = pos.ch, linelen = lines[pos.line].text.length; |
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1038 if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; |
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1039 else if (ch < 0) return {line: pos.line, ch: 0}; |
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1040 else return pos; |
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|
1041 } |
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|
1042 |
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1043 function scrollPage(down) { |
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bumped codemirror to latest version
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1044 var linesPerPage = Math.floor(scroller.clientHeight / lineHeight()), head = sel.inverted ? sel.from : sel.to; |
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1045 setCursor(head.line + (Math.max(linesPerPage - 1, 1) * (down ? 1 : -1)), head.ch, true); |
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1046 } |
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1047 function scrollEnd(top) { |
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1048 var pos = top ? {line: 0, ch: 0} : {line: lines.length - 1, ch: lines[lines.length-1].text.length}; |
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1049 setSelectionUser(pos, pos); |
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1050 } |
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1051 function selectAll() { |
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1052 var endLine = lines.length - 1; |
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1053 setSelection({line: 0, ch: 0}, {line: endLine, ch: lines[endLine].text.length}); |
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1054 } |
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1055 function selectWordAt(pos) { |
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1056 var line = lines[pos.line].text; |
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1057 var start = pos.ch, end = pos.ch; |
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1058 while (start > 0 && /\w/.test(line.charAt(start - 1))) --start; |
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1059 while (end < line.length && /\w/.test(line.charAt(end))) ++end; |
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1060 setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end}); |
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1061 } |
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1062 function selectLine(line) { |
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1063 setSelectionUser({line: line, ch: 0}, {line: line, ch: lines[line].text.length}); |
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1064 } |
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1065 function handleEnter() { |
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1066 replaceSelection("\n", "end"); |
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1067 if (options.enterMode != "flat") |
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1068 indentLine(sel.from.line, options.enterMode == "keep" ? "prev" : "smart"); |
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1069 } |
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1070 function handleTab(shift) { |
1606
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1071 function indentSelected(mode) { |
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|
1072 if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); |
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1073 var e = sel.to.line - (sel.to.ch ? 0 : 1); |
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|
1074 for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); |
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|
1075 } |
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diff
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|
1076 shiftSelecting = null; |
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diff
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|
1077 switch (options.tabMode) { |
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diff
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|
1078 case "default": |
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diff
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|
1079 return false; |
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diff
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|
1080 case "indent": |
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|
1081 indentSelected("smart"); |
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1082 break; |
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1083 case "classic": |
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1084 if (posEq(sel.from, sel.to)) { |
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1085 if (shift) indentLine(sel.from.line, "smart"); |
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|
1086 else replaceSelection("\t", "end"); |
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|
1087 break; |
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|
1088 } |
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|
1089 case "shift": |
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|
1090 indentSelected(shift ? "subtract" : "add"); |
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diff
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|
1091 break; |
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diff
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|
1092 } |
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|
1093 return true; |
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|
1094 } |
1606
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|
1095 function smartHome() { |
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1096 var firstNonWS = Math.max(0, lines[sel.from.line].text.search(/\S/)); |
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|
1097 setCursor(sel.from.line, sel.from.ch <= firstNonWS && sel.from.ch ? 0 : firstNonWS, true); |
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|
1098 } |
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1099 |
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|
1100 function indentLine(n, how) { |
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1101 if (how == "smart") { |
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1102 if (!mode.indent) how = "prev"; |
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1103 else var state = getStateBefore(n); |
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1104 } |
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1105 |
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1106 var line = lines[n], curSpace = line.indentation(), curSpaceString = line.text.match(/^\s*/)[0], indentation; |
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1107 if (how == "prev") { |
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1108 if (n) indentation = lines[n-1].indentation(); |
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1109 else indentation = 0; |
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1110 } |
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1111 else if (how == "smart") indentation = mode.indent(state, line.text.slice(curSpaceString.length)); |
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1112 else if (how == "add") indentation = curSpace + options.indentUnit; |
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1113 else if (how == "subtract") indentation = curSpace - options.indentUnit; |
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1114 indentation = Math.max(0, indentation); |
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1115 var diff = indentation - curSpace; |
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1116 |
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1117 if (!diff) { |
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1118 if (sel.from.line != n && sel.to.line != n) return; |
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1119 var indentString = curSpaceString; |
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1120 } |
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1121 else { |
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1122 var indentString = "", pos = 0; |
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1123 if (options.indentWithTabs) |
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1124 for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} |
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1125 while (pos < indentation) {++pos; indentString += " ";} |
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1126 } |
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1127 |
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1128 replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); |
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1129 } |
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1130 |
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1131 function loadMode() { |
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1132 mode = CodeMirror.getMode(options, options.mode); |
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1133 for (var i = 0, l = lines.length; i < l; ++i) |
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1134 lines[i].stateAfter = null; |
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diff
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|
1135 work = [0]; |
1606
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1136 startWorker(); |
1305
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1137 } |
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1138 function gutterChanged() { |
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1139 var visible = options.gutter || options.lineNumbers; |
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1140 gutter.style.display = visible ? "" : "none"; |
1606
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1141 if (visible) gutterDirty = true; |
1305
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1142 else lineDiv.parentNode.style.marginLeft = 0; |
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diff
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|
1143 } |
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|
1144 |
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|
1145 function markText(from, to, className) { |
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parents:
diff
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1146 from = clipPos(from); to = clipPos(to); |
1606
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1147 var set = []; |
1305
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diff
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|
1148 function add(line, from, to, className) { |
1606
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parents:
1305
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1149 mark = lines[line].addMark(from, to, className, set); |
1305
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1150 } |
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|
1151 if (from.line == to.line) add(from.line, from.ch, to.ch, className); |
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diff
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1152 else { |
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|
1153 add(from.line, from.ch, null, className); |
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parents:
diff
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|
1154 for (var i = from.line + 1, e = to.line; i < e; ++i) |
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|
1155 add(i, 0, null, className); |
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1156 add(to.line, 0, to.ch, className); |
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1157 } |
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1158 changes.push({from: from.line, to: to.line + 1}); |
1606
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1159 return new TextMarker(set); |
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1160 } |
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|
1161 |
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1162 function TextMarker(set) { this.set = set; } |
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1163 TextMarker.prototype.clear = operation(function() { |
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bumped codemirror to latest version
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1164 for (var i = 0, e = this.set.length; i < e; ++i) { |
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1165 var mk = this.set[i].marked; |
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1166 for (var j = 0; j < mk.length; ++j) { |
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1167 if (mk[j].set == this.set) mk.splice(j--, 1); |
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1168 } |
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1169 } |
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1170 // We don't know the exact lines that changed. Refreshing is |
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1171 // cheaper than finding them. |
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1172 changes.push({from: 0, to: lines.length}); |
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1173 }); |
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1174 TextMarker.prototype.find = function() { |
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1175 var from, to; |
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1176 for (var i = 0, e = this.set.length; i < e; ++i) { |
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1177 var line = this.set[i], mk = line.marked; |
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1178 for (var j = 0; j < mk.length; ++j) { |
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1179 var mark = mk[j]; |
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1180 if (mark.set == this.set) { |
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1181 if (mark.from != null || mark.to != null) { |
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1182 var found = indexOf(lines, line); |
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1183 if (found > -1) { |
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1184 if (mark.from != null) from = {line: found, ch: mark.from}; |
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1185 if (mark.to != null) to = {line: found, ch: mark.to}; |
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1186 } |
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|
1187 } |
1305
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1188 } |
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1189 } |
1606
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1190 } |
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1191 return {from: from, to: to}; |
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1192 }; |
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1193 |
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1194 function addGutterMarker(line, text, className) { |
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1195 if (typeof line == "number") line = lines[clipLine(line)]; |
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1196 line.gutterMarker = {text: text, style: className}; |
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1197 gutterDirty = true; |
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1198 return line; |
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1199 } |
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1200 function removeGutterMarker(line) { |
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1201 if (typeof line == "number") line = lines[clipLine(line)]; |
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1202 line.gutterMarker = null; |
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1203 gutterDirty = true; |
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1204 } |
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1205 function setLineClass(line, className) { |
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1206 if (typeof line == "number") { |
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1207 var no = line; |
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1208 line = lines[clipLine(line)]; |
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1209 } |
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1210 else { |
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1211 var no = indexOf(lines, line); |
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1212 if (no == -1) return null; |
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1213 } |
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1214 if (line.className != className) { |
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1215 line.className = className; |
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1216 changes.push({from: no, to: no + 1}); |
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1217 } |
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1218 return line; |
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1219 } |
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1220 |
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1221 function lineInfo(line) { |
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1222 if (typeof line == "number") { |
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1223 var n = line; |
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1224 line = lines[line]; |
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1225 if (!line) return null; |
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1226 } |
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1227 else { |
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1228 var n = indexOf(lines, line); |
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1229 if (n == -1) return null; |
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1230 } |
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1231 var marker = line.gutterMarker; |
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1232 return {line: n, text: line.text, markerText: marker && marker.text, markerClass: marker && marker.style}; |
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1233 } |
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1234 |
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1235 function stringWidth(str) { |
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1236 measure.innerHTML = "<pre><span>x</span></pre>"; |
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1237 measure.firstChild.firstChild.firstChild.nodeValue = str; |
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1238 return measure.firstChild.firstChild.offsetWidth || 10; |
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1239 } |
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1240 // These are used to go from pixel positions to character |
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1241 // positions, taking varying character widths into account. |
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1242 function charX(line, pos) { |
1606
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1243 if (pos == 0) return 0; |
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1244 measure.innerHTML = "<pre><span>" + lines[line].getHTML(null, null, false, pos) + "</span></pre>"; |
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1245 return measure.firstChild.firstChild.offsetWidth; |
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1246 } |
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1247 function charFromX(line, x) { |
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1248 if (x <= 0) return 0; |
1606
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1249 var lineObj = lines[line], text = lineObj.text; |
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1250 function getX(len) { |
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1251 measure.innerHTML = "<pre><span>" + lineObj.getHTML(null, null, false, len) + "</span></pre>"; |
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1252 return measure.firstChild.firstChild.offsetWidth; |
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1253 } |
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1254 var from = 0, fromX = 0, to = text.length, toX; |
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1255 // Guess a suitable upper bound for our search. |
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1256 var estimated = Math.min(to, Math.ceil(x / stringWidth("x"))); |
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1257 for (;;) { |
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1258 var estX = getX(estimated); |
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1259 if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); |
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1260 else {toX = estX; to = estimated; break;} |
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1261 } |
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1262 if (x > toX) return to; |
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1263 // Try to guess a suitable lower bound as well. |
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1264 estimated = Math.floor(to * 0.8); estX = getX(estimated); |
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1265 if (estX < x) {from = estimated; fromX = estX;} |
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1266 // Do a binary search between these bounds. |
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1267 for (;;) { |
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1268 if (to - from <= 1) return (toX - x > x - fromX) ? from : to; |
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1269 var middle = Math.ceil((from + to) / 2), middleX = getX(middle); |
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1270 if (middleX > x) {to = middle; toX = middleX;} |
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1271 else {from = middle; fromX = middleX;} |
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1272 } |
1305
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1273 } |
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1274 |
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1275 function localCoords(pos, inLineWrap) { |
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1276 var lh = lineHeight(), line = pos.line - (inLineWrap ? showingFrom : 0); |
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1277 return {x: charX(pos.line, pos.ch), y: line * lh, yBot: (line + 1) * lh}; |
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1278 } |
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1279 function pageCoords(pos) { |
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1280 var local = localCoords(pos, true), off = eltOffset(lineSpace); |
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1281 return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; |
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1282 } |
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1283 |
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1284 function lineHeight() { |
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1285 var nlines = lineDiv.childNodes.length; |
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1286 if (nlines) return (lineDiv.offsetHeight / nlines) || 1; |
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1287 measure.innerHTML = "<pre>x</pre>"; |
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1288 return measure.firstChild.offsetHeight || 1; |
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1289 } |
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1290 function paddingTop() {return lineSpace.offsetTop;} |
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1291 function paddingLeft() {return lineSpace.offsetLeft;} |
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1292 |
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1293 function posFromMouse(e, liberal) { |
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1294 var offW = eltOffset(scroller, true), x, y; |
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1295 // Fails unpredictably on IE[67] when mouse is dragged around quickly. |
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1296 try { x = e.clientX; y = e.clientY; } catch (e) { return null; } |
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1297 // This is a mess of a heuristic to try and determine whether a |
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1298 // scroll-bar was clicked or not, and to return null if one was |
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1299 // (and !liberal). |
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1300 if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) |
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1301 return null; |
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1302 var offL = eltOffset(lineSpace, true); |
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1303 var line = showingFrom + Math.floor((y - offL.top) / lineHeight()); |
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1304 return clipPos({line: line, ch: charFromX(clipLine(line), x - offL.left)}); |
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1305 } |
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1306 function onContextMenu(e) { |
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1307 var pos = posFromMouse(e); |
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1308 if (!pos || window.opera) return; // Opera is difficult. |
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1309 if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) |
1606
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1310 operation(setCursor)(pos.line, pos.ch); |
1305
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1311 |
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1312 var oldCSS = input.style.cssText; |
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1313 inputDiv.style.position = "absolute"; |
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1314 input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + |
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1315 "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + |
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1316 "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; |
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1317 leaveInputAlone = true; |
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1318 var val = input.value = getSelection(); |
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1319 focusInput(); |
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1320 setSelRange(input, 0, input.value.length); |
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1321 function rehide() { |
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1322 var newVal = splitLines(input.value).join("\n"); |
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1323 if (newVal != val) operation(replaceSelection)(newVal, "end"); |
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1324 inputDiv.style.position = "relative"; |
1305
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1325 input.style.cssText = oldCSS; |
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1326 leaveInputAlone = false; |
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1327 prepareInput(); |
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1328 slowPoll(); |
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1329 } |
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1330 |
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1331 if (gecko) { |
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1332 e_stop(e); |
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1333 var mouseup = connect(window, "mouseup", function() { |
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1334 mouseup(); |
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1335 setTimeout(rehide, 20); |
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1336 }, true); |
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1337 } |
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1338 else { |
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1339 setTimeout(rehide, 50); |
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1340 } |
1305
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1341 } |
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1342 |
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1343 // Cursor-blinking |
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1344 function restartBlink() { |
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1345 clearInterval(blinker); |
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1346 var on = true; |
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1347 cursor.style.visibility = ""; |
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1348 blinker = setInterval(function() { |
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1349 cursor.style.visibility = (on = !on) ? "" : "hidden"; |
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1350 }, 650); |
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1351 } |
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1352 |
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1353 var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; |
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1354 function matchBrackets(autoclear) { |
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1355 var head = sel.inverted ? sel.from : sel.to, line = lines[head.line], pos = head.ch - 1; |
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1356 var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; |
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1357 if (!match) return; |
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1358 var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; |
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1359 for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) |
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1360 if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} |
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1361 |
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1362 var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; |
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1363 function scan(line, from, to) { |
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1364 if (!line.text) return; |
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1365 var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; |
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1366 for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { |
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1367 var text = st[i]; |
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1368 if (st[i+1] != null && st[i+1] != style) {pos += d * text.length; continue;} |
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1369 for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { |
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1370 if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { |
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1371 var match = matching[cur]; |
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1372 if (match.charAt(1) == ">" == forward) stack.push(cur); |
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1373 else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; |
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1374 else if (!stack.length) return {pos: pos, match: true}; |
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1375 } |
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1376 } |
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1377 } |
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1378 } |
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1379 for (var i = head.line, e = forward ? Math.min(i + 100, lines.length) : Math.max(-1, i - 100); i != e; i+=d) { |
1305
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1380 var line = lines[i], first = i == head.line; |
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1381 var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); |
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1382 if (found) break; |
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1383 } |
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1384 if (!found) found = {pos: null, match: false}; |
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1385 var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; |
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1386 var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), |
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1387 two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); |
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1388 var clear = operation(function(){one.clear(); two && two.clear();}); |
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1389 if (autoclear) setTimeout(clear, 800); |
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1390 else bracketHighlighted = clear; |
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1391 } |
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1392 |
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1393 // Finds the line to start with when starting a parse. Tries to |
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1394 // find a line with a stateAfter, so that it can start with a |
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1395 // valid state. If that fails, it returns the line with the |
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1396 // smallest indentation, which tends to need the least context to |
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1397 // parse correctly. |
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1398 function findStartLine(n) { |
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1399 var minindent, minline; |
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1400 for (var search = n, lim = n - 40; search > lim; --search) { |
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1401 if (search == 0) return 0; |
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1402 var line = lines[search-1]; |
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1403 if (line.stateAfter) return search; |
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1404 var indented = line.indentation(); |
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1405 if (minline == null || minindent > indented) { |
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1406 minline = search - 1; |
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1407 minindent = indented; |
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1408 } |
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1409 } |
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1410 return minline; |
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1411 } |
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1412 function getStateBefore(n) { |
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1413 var start = findStartLine(n), state = start && lines[start-1].stateAfter; |
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1414 if (!state) state = startState(mode); |
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1415 else state = copyState(mode, state); |
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1416 for (var i = start; i < n; ++i) { |
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1417 var line = lines[i]; |
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1418 line.highlight(mode, state); |
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1419 line.stateAfter = copyState(mode, state); |
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1420 } |
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1421 changes.push({from: start, to: n}); |
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1422 if (n < lines.length && !lines[n].stateAfter) work.push(n); |
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1423 return state; |
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1424 } |
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1425 function highlightLines(start, end) { |
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1426 var state = getStateBefore(start); |
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1427 for (var i = start; i < end; ++i) { |
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1428 var line = lines[i]; |
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diff
changeset
|
1429 line.highlight(mode, state); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1430 line.stateAfter = copyState(mode, state); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1431 } |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1432 } |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1433 function highlightWorker() { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1434 var end = +new Date + options.workTime; |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1435 var foundWork = work.length; |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1436 while (work.length) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1437 if (!lines[showingFrom].stateAfter) var task = showingFrom; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1438 else var task = work.pop(); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1439 if (task >= lines.length) continue; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1440 var start = findStartLine(task), state = start && lines[start-1].stateAfter; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1441 if (state) state = copyState(mode, state); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1442 else state = startState(mode); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1443 |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1444 var unchanged = 0, compare = mode.compareStates, realChange = false; |
1305
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Added server side file editing with commit
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parents:
diff
changeset
|
1445 for (var i = start, l = lines.length; i < l; ++i) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1446 var line = lines[i], hadState = line.stateAfter; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1447 if (+new Date > end) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1448 work.push(i); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1449 startWorker(options.workDelay); |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1450 if (realChange) changes.push({from: task, to: i + 1}); |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1451 return; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1452 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1453 var changed = line.highlight(mode, state); |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1454 if (changed) realChange = true; |
1305
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Added server side file editing with commit
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parents:
diff
changeset
|
1455 line.stateAfter = copyState(mode, state); |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1456 if (compare) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1457 if (hadState && compare(hadState, state)) break; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
|
1458 } else { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1459 if (changed !== false || !hadState) unchanged = 0; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1460 else if (++unchanged > 3) break; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1461 } |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1462 } |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1463 if (realChange) changes.push({from: task, to: i + 1}); |
1305
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1464 } |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1465 if (foundWork && options.onHighlightComplete) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
|
1466 options.onHighlightComplete(instance); |
1305
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parents:
diff
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|
1467 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1468 function startWorker(time) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1469 if (!work.length) return; |
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parents:
diff
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1470 highlight.set(time, operation(highlightWorker)); |
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parents:
diff
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1471 } |
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parents:
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|
1472 |
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parents:
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changeset
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1473 // Operations are used to wrap changes in such a way that each |
166317d464f3
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parents:
diff
changeset
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1474 // change won't have to update the cursor and display (which would |
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Added server side file editing with commit
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parents:
diff
changeset
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1475 // be awkward, slow, and error-prone), but instead updates are |
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parents:
diff
changeset
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1476 // batched and then all combined and executed at once. |
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parents:
diff
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1477 function startOperation() { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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1478 updateInput = null; changes = []; textChanged = selectionChanged = false; |
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parents:
diff
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1479 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1480 function endOperation() { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1481 var reScroll = false; |
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parents:
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1482 if (selectionChanged) reScroll = !scrollCursorIntoView(); |
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parents:
diff
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1483 if (changes.length) updateDisplay(changes); |
1606
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parents:
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1484 else { |
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bumped codemirror to latest version
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parents:
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diff
changeset
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1485 if (selectionChanged) updateCursor(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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1486 if (gutterDirty) updateGutter(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1487 } |
1305
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parents:
diff
changeset
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1488 if (reScroll) scrollCursorIntoView(); |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
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1489 if (selectionChanged) {scrollEditorIntoView(); restartBlink();} |
1305
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parents:
diff
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|
1490 |
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parents:
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changeset
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1491 // updateInput can be set to a boolean value to force/prevent an |
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parents:
diff
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1492 // update. |
1606
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1493 if (focused && !leaveInputAlone && |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1494 (updateInput === true || (updateInput !== false && selectionChanged))) |
1305
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parents:
diff
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|
1495 prepareInput(); |
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parents:
diff
changeset
|
1496 |
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parents:
diff
changeset
|
1497 if (selectionChanged && options.matchBrackets) |
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parents:
diff
changeset
|
1498 setTimeout(operation(function() { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1499 if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} |
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parents:
diff
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|
1500 matchBrackets(false); |
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parents:
diff
changeset
|
1501 }), 20); |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1502 var tc = textChanged; // textChanged can be reset by cursoractivity callback |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1503 if (selectionChanged && options.onCursorActivity) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1504 options.onCursorActivity(instance); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1505 if (tc && options.onChange && instance) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
1506 options.onChange(instance, tc); |
1305
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parents:
diff
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|
1507 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1508 var nestedOperation = 0; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1509 function operation(f) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1510 return function() { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1511 if (!nestedOperation++) startOperation(); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1512 try {var result = f.apply(this, arguments);} |
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parents:
diff
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1513 finally {if (!--nestedOperation) endOperation();} |
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parents:
diff
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|
1514 return result; |
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parents:
diff
changeset
|
1515 }; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1516 } |
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parents:
diff
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|
1517 |
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parents:
diff
changeset
|
1518 function SearchCursor(query, pos, caseFold) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1519 this.atOccurrence = false; |
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parents:
diff
changeset
|
1520 if (caseFold == null) caseFold = typeof query == "string" && query == query.toLowerCase(); |
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parents:
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|
1521 |
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parents:
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1522 if (pos && typeof pos == "object") pos = clipPos(pos); |
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parents:
diff
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1523 else pos = {line: 0, ch: 0}; |
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parents:
diff
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|
1524 this.pos = {from: pos, to: pos}; |
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parents:
diff
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|
1525 |
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1526 // The matches method is filled in based on the type of query. |
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1527 // It takes a position and a direction, and returns an object |
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parents:
diff
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1528 // describing the next occurrence of the query, or null if no |
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1529 // more matches were found. |
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1530 if (typeof query != "string") // Regexp match |
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parents:
diff
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|
1531 this.matches = function(reverse, pos) { |
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diff
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|
1532 if (reverse) { |
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parents:
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|
1533 var line = lines[pos.line].text.slice(0, pos.ch), match = line.match(query), start = 0; |
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|
1534 while (match) { |
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parents:
diff
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|
1535 var ind = line.indexOf(match[0]); |
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|
1536 start += ind; |
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|
1537 line = line.slice(ind + 1); |
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|
1538 var newmatch = line.match(query); |
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|
1539 if (newmatch) match = newmatch; |
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diff
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1540 else break; |
1606
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|
1541 start++; |
1305
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1542 } |
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|
1543 } |
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1544 else { |
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parents:
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1545 var line = lines[pos.line].text.slice(pos.ch), match = line.match(query), |
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1546 start = match && pos.ch + line.indexOf(match[0]); |
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1547 } |
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|
1548 if (match) |
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1549 return {from: {line: pos.line, ch: start}, |
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diff
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1550 to: {line: pos.line, ch: start + match[0].length}, |
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parents:
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|
1551 match: match}; |
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|
1552 }; |
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changeset
|
1553 else { // String query |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1554 if (caseFold) query = query.toLowerCase(); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1555 var fold = caseFold ? function(str){return str.toLowerCase();} : function(str){return str;}; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1556 var target = query.split("\n"); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1557 // Different methods for single-line and multi-line queries |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1558 if (target.length == 1) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1559 this.matches = function(reverse, pos) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1560 var line = fold(lines[pos.line].text), len = query.length, match; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1561 if (reverse ? (pos.ch >= len && (match = line.lastIndexOf(query, pos.ch - len)) != -1) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1562 : (match = line.indexOf(query, pos.ch)) != -1) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1563 return {from: {line: pos.line, ch: match}, |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1564 to: {line: pos.line, ch: match + len}}; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1565 }; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1566 else |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1567 this.matches = function(reverse, pos) { |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1568 var ln = pos.line, idx = (reverse ? target.length - 1 : 0), match = target[idx], line = fold(lines[ln].text); |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1569 var offsetA = (reverse ? line.indexOf(match) + match.length : line.lastIndexOf(match)); |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1570 if (reverse ? offsetA >= pos.ch || offsetA != match.length |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1571 : offsetA <= pos.ch || offsetA != line.length - match.length) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1572 return; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1573 for (;;) { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1574 if (reverse ? !ln : ln == lines.length - 1) return; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1575 line = fold(lines[ln += reverse ? -1 : 1].text); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1576 match = target[reverse ? --idx : ++idx]; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1577 if (idx > 0 && idx < target.length - 1) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1578 if (line != match) return; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1579 else continue; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1580 } |
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parents:
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changeset
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1581 var offsetB = (reverse ? line.lastIndexOf(match) : line.indexOf(match) + match.length); |
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parents:
diff
changeset
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1582 if (reverse ? offsetB != line.length - match.length : offsetB != match.length) |
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parents:
diff
changeset
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1583 return; |
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parents:
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changeset
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1584 var start = {line: pos.line, ch: offsetA}, end = {line: ln, ch: offsetB}; |
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parents:
diff
changeset
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1585 return {from: reverse ? end : start, to: reverse ? start : end}; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1586 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1587 }; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1588 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1589 } |
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parents:
diff
changeset
|
1590 |
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parents:
diff
changeset
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1591 SearchCursor.prototype = { |
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parents:
diff
changeset
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1592 findNext: function() {return this.find(false);}, |
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parents:
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1593 findPrevious: function() {return this.find(true);}, |
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parents:
diff
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1594 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1595 find: function(reverse) { |
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parents:
diff
changeset
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1596 var self = this, pos = clipPos(reverse ? this.pos.from : this.pos.to); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1597 function savePosAndFail(line) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1598 var pos = {line: line, ch: 0}; |
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parents:
diff
changeset
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1599 self.pos = {from: pos, to: pos}; |
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parents:
diff
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1600 self.atOccurrence = false; |
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parents:
diff
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1601 return false; |
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parents:
diff
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1602 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1603 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1604 for (;;) { |
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parents:
diff
changeset
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1605 if (this.pos = this.matches(reverse, pos)) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1606 this.atOccurrence = true; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1607 return this.pos.match || true; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1608 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1609 if (reverse) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1610 if (!pos.line) return savePosAndFail(0); |
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parents:
diff
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1611 pos = {line: pos.line-1, ch: lines[pos.line-1].text.length}; |
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parents:
diff
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1612 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1613 else { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1614 if (pos.line == lines.length - 1) return savePosAndFail(lines.length); |
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parents:
diff
changeset
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1615 pos = {line: pos.line+1, ch: 0}; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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1616 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1617 } |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1618 }, |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1619 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1620 from: function() {if (this.atOccurrence) return copyPos(this.pos.from);}, |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1621 to: function() {if (this.atOccurrence) return copyPos(this.pos.to);}, |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1622 |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1623 replace: function(newText) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1624 var self = this; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1625 if (this.atOccurrence) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1626 operation(function() { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1627 self.pos.to = replaceRange(newText, self.pos.from, self.pos.to); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1628 })(); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1629 } |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1630 }; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1631 |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1632 for (var ext in extensions) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1633 if (extensions.propertyIsEnumerable(ext) && |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1634 !instance.propertyIsEnumerable(ext)) |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1635 instance[ext] = extensions[ext]; |
1305
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parents:
diff
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|
1636 return instance; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1637 } // (end of function CodeMirror) |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1638 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1639 // The default configuration options. |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1640 CodeMirror.defaults = { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1641 value: "", |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1642 mode: null, |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
1643 theme: "default", |
1305
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1644 indentUnit: 2, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1645 indentWithTabs: false, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1646 tabMode: "classic", |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1647 enterMode: "indent", |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1648 electricChars: true, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1649 onKeyEvent: null, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1650 lineNumbers: false, |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1651 gutter: false, |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
1652 fixedGutter: false, |
1305
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parents:
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|
1653 firstLineNumber: 1, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1654 readOnly: false, |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
1655 smartHome: true, |
1305
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1656 onChange: null, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1657 onCursorActivity: null, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1658 onGutterClick: null, |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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|
1659 onHighlightComplete: null, |
1305
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parents:
diff
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1660 onFocus: null, onBlur: null, onScroll: null, |
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parents:
diff
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|
1661 matchBrackets: false, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1662 workTime: 100, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
1663 workDelay: 200, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
1664 undoDepth: 40, |
1606
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bumped codemirror to latest version
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1305
diff
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|
1665 tabindex: null, |
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bumped codemirror to latest version
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diff
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|
1666 document: window.document |
1305
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parents:
diff
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|
1667 }; |
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parents:
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|
1668 |
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parents:
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|
1669 // Known modes, by name and by MIME |
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parents:
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|
1670 var modes = {}, mimeModes = {}; |
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parents:
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1671 CodeMirror.defineMode = function(name, mode) { |
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parents:
diff
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1672 if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; |
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parents:
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|
1673 modes[name] = mode; |
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parents:
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|
1674 }; |
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parents:
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|
1675 CodeMirror.defineMIME = function(mime, spec) { |
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parents:
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|
1676 mimeModes[mime] = spec; |
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parents:
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|
1677 }; |
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parents:
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changeset
|
1678 CodeMirror.getMode = function(options, spec) { |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1679 if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1680 spec = mimeModes[spec]; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1681 if (typeof spec == "string") |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1682 var mname = spec, config = {}; |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1683 else if (spec != null) |
1305
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
1684 var mname = spec.name, config = spec; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1685 var mfactory = modes[mname]; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1686 if (!mfactory) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1687 if (window.console) console.warn("No mode " + mname + " found, falling back to plain text."); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1688 return CodeMirror.getMode(options, "text/plain"); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1689 } |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1690 return mfactory(options, config || {}); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1691 }; |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1692 CodeMirror.listModes = function() { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1693 var list = []; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1694 for (var m in modes) |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1695 if (modes.propertyIsEnumerable(m)) list.push(m); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1696 return list; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1697 }; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1698 CodeMirror.listMIMEs = function() { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1699 var list = []; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1700 for (var m in mimeModes) |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1701 if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); |
1305
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1702 return list; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1703 }; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1704 |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1705 var extensions = {}; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1706 CodeMirror.defineExtension = function(name, func) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1707 extensions[name] = func; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
1708 }; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
1709 |
1305
166317d464f3
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parents:
diff
changeset
|
1710 CodeMirror.fromTextArea = function(textarea, options) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1711 if (!options) options = {}; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1712 options.value = textarea.value; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1713 if (!options.tabindex && textarea.tabindex) |
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parents:
diff
changeset
|
1714 options.tabindex = textarea.tabindex; |
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parents:
diff
changeset
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1715 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1716 function save() {textarea.value = instance.getValue();} |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1717 if (textarea.form) { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1718 // Deplorable hack to make the submit method do the right thing. |
166317d464f3
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parents:
diff
changeset
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1719 var rmSubmit = connect(textarea.form, "submit", save, true); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1720 if (typeof textarea.form.submit == "function") { |
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parents:
diff
changeset
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1721 var realSubmit = textarea.form.submit; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1722 function wrappedSubmit() { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1723 save(); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1724 textarea.form.submit = realSubmit; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1725 textarea.form.submit(); |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1726 textarea.form.submit = wrappedSubmit; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1727 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1728 textarea.form.submit = wrappedSubmit; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1729 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1730 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1731 |
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parents:
diff
changeset
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1732 textarea.style.display = "none"; |
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parents:
diff
changeset
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1733 var instance = CodeMirror(function(node) { |
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parents:
diff
changeset
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1734 textarea.parentNode.insertBefore(node, textarea.nextSibling); |
166317d464f3
Added server side file editing with commit
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parents:
diff
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1735 }, options); |
166317d464f3
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parents:
diff
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1736 instance.save = save; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1737 instance.toTextArea = function() { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1738 save(); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1739 textarea.parentNode.removeChild(instance.getWrapperElement()); |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1740 textarea.style.display = ""; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1741 if (textarea.form) { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1742 rmSubmit(); |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1743 if (typeof textarea.form.submit == "function") |
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parents:
diff
changeset
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1744 textarea.form.submit = realSubmit; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1745 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1746 }; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1747 return instance; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1748 }; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1749 |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1750 // Utility functions for working with state. Exported because modes |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1751 // sometimes need to do this. |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1752 function copyState(mode, state) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1753 if (state === true) return state; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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1754 if (mode.copyState) return mode.copyState(state); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1755 var nstate = {}; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1756 for (var n in state) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1757 var val = state[n]; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1758 if (val instanceof Array) val = val.concat([]); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1759 nstate[n] = val; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1760 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1761 return nstate; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1762 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1763 CodeMirror.startState = startState; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1764 function startState(mode, a1, a2) { |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1765 return mode.startState ? mode.startState(a1, a2) : true; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1766 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1767 CodeMirror.copyState = copyState; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1768 |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1769 // The character stream used by a mode's parser. |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1770 function StringStream(string) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1771 this.pos = this.start = 0; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1772 this.string = string; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1773 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1774 StringStream.prototype = { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1775 eol: function() {return this.pos >= this.string.length;}, |
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Added server side file editing with commit
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parents:
diff
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1776 sol: function() {return this.pos == 0;}, |
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parents:
diff
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|
1777 peek: function() {return this.string.charAt(this.pos);}, |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1778 next: function() { |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1779 if (this.pos < this.string.length) |
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parents:
diff
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|
1780 return this.string.charAt(this.pos++); |
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parents:
diff
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|
1781 }, |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1782 eat: function(match) { |
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parents:
diff
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|
1783 var ch = this.string.charAt(this.pos); |
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parents:
diff
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1784 if (typeof match == "string") var ok = ch == match; |
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parents:
diff
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1785 else var ok = ch && (match.test ? match.test(ch) : match(ch)); |
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parents:
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1786 if (ok) {++this.pos; return ch;} |
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parents:
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1787 }, |
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parents:
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|
1788 eatWhile: function(match) { |
1606
a30689fc4f61
bumped codemirror to latest version
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1305
diff
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1789 var start = this.pos; |
1305
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parents:
diff
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|
1790 while (this.eat(match)){} |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
1791 return this.pos > start; |
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parents:
diff
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|
1792 }, |
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parents:
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|
1793 eatSpace: function() { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
1794 var start = this.pos; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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1795 while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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|
1796 return this.pos > start; |
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parents:
diff
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|
1797 }, |
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parents:
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1798 skipToEnd: function() {this.pos = this.string.length;}, |
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parents:
diff
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1799 skipTo: function(ch) { |
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parents:
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1800 var found = this.string.indexOf(ch, this.pos); |
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parents:
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1801 if (found > -1) {this.pos = found; return true;} |
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parents:
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1802 }, |
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parents:
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1803 backUp: function(n) {this.pos -= n;}, |
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parents:
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1804 column: function() {return countColumn(this.string, this.start);}, |
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|
1805 indentation: function() {return countColumn(this.string);}, |
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|
1806 match: function(pattern, consume, caseInsensitive) { |
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|
1807 if (typeof pattern == "string") { |
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|
1808 function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} |
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|
1809 if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { |
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parents:
diff
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|
1810 if (consume !== false) this.pos += pattern.length; |
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diff
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|
1811 return true; |
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diff
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|
1812 } |
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|
1813 } |
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|
1814 else { |
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|
1815 var match = this.string.slice(this.pos).match(pattern); |
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parents:
diff
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|
1816 if (match && consume !== false) this.pos += match[0].length; |
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diff
changeset
|
1817 return match; |
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parents:
diff
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|
1818 } |
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|
1819 }, |
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diff
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|
1820 current: function(){return this.string.slice(this.start, this.pos);} |
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diff
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|
1821 }; |
1606
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bumped codemirror to latest version
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diff
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|
1822 CodeMirror.StringStream = StringStream; |
1305
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diff
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|
1823 |
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|
1824 // Line objects. These hold state related to a line, including |
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parents:
diff
changeset
|
1825 // highlighting info (the styles array). |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1826 function Line(text, styles) { |
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parents:
diff
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1827 this.styles = styles || [text, null]; |
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|
1828 this.stateAfter = null; |
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Marcin Kuzminski <marcin@python-works.com>
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diff
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1829 this.text = text; |
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Marcin Kuzminski <marcin@python-works.com>
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diff
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1830 this.marked = this.gutterMarker = this.className = null; |
166317d464f3
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|
1831 } |
1606
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diff
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1832 Line.inheritMarks = function(text, orig) { |
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bumped codemirror to latest version
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1305
diff
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|
1833 var ln = new Line(text), mk = orig.marked; |
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bumped codemirror to latest version
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|
1834 if (mk) { |
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bumped codemirror to latest version
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diff
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1835 for (var i = 0; i < mk.length; ++i) { |
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diff
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1836 if (mk[i].to == null) { |
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bumped codemirror to latest version
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diff
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1837 var newmk = ln.marked || (ln.marked = []), mark = mk[i]; |
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1838 newmk.push({from: null, to: null, style: mark.style, set: mark.set}); |
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1839 mark.set.push(ln); |
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1840 } |
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1841 } |
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diff
changeset
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1842 } |
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diff
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1843 return ln; |
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parents:
1305
diff
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1844 } |
1305
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1845 Line.prototype = { |
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diff
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1846 // Replace a piece of a line, keeping the styles around it intact. |
1606
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1847 replace: function(from, to_, text) { |
a30689fc4f61
bumped codemirror to latest version
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diff
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1848 var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_; |
1305
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parents:
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1849 copyStyles(0, from, this.styles, st); |
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parents:
diff
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1850 if (text) st.push(text, null); |
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parents:
diff
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1851 copyStyles(to, this.text.length, this.styles, st); |
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parents:
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1852 this.styles = st; |
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1853 this.text = this.text.slice(0, from) + text + this.text.slice(to); |
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parents:
diff
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1854 this.stateAfter = null; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1855 if (mk) { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1856 var diff = text.length - (to - from), end = this.text.length; |
1606
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bumped codemirror to latest version
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1305
diff
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1857 var changeStart = Math.min(from, from + diff); |
1305
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diff
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1858 for (var i = 0; i < mk.length; ++i) { |
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diff
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1859 var mark = mk[i], del = false; |
1606
a30689fc4f61
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Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
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1860 if (mark.from != null && mark.from >= end) del = true; |
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1861 else { |
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bumped codemirror to latest version
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diff
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1862 if (mark.from != null && mark.from >= from) { |
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diff
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1863 mark.from += diff; |
a30689fc4f61
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diff
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1864 if (mark.from <= 0) mark.from = from == null ? null : 0; |
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parents:
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1865 } |
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diff
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1866 else if (to_ == null) mark.to = null; |
a30689fc4f61
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1867 if (mark.to != null && mark.to > from) { |
a30689fc4f61
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|
1868 mark.to += diff; |
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diff
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1869 if (mark.to < 0) del = true; |
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|
1870 } |
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|
1871 } |
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Marcin Kuzminski <marcin@python-works.com>
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diff
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|
1872 if (del || (mark.from != null && mark.to != null && mark.from >= mark.to)) mk.splice(i--, 1); |
1305
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diff
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|
1873 } |
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|
1874 } |
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diff
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|
1875 }, |
1606
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1305
diff
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|
1876 // Split a part off a line, keeping styles and markers intact. |
1305
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diff
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1877 split: function(pos, textBefore) { |
1606
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Marcin Kuzminski <marcin@python-works.com>
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|
1878 var st = [textBefore, null], mk = this.marked; |
1305
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|
1879 copyStyles(pos, this.text.length, this.styles, st); |
1606
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diff
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|
1880 var taken = new Line(textBefore + this.text.slice(pos), st); |
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
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1881 if (mk) { |
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
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|
1882 for (var i = 0; i < mk.length; ++i) { |
a30689fc4f61
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1305
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|
1883 var mark = mk[i]; |
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1305
diff
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|
1884 if (mark.to > pos || mark.to == null) { |
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1305
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1885 if (!taken.marked) taken.marked = []; |
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1886 taken.marked.push({ |
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|
1887 from: mark.from < pos || mark.from == null ? null : mark.from - pos + textBefore.length, |
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1888 to: mark.to == null ? null : mark.to - pos + textBefore.length, |
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1889 style: mark.style, set: mark.set |
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1890 }); |
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1891 mark.set.push(taken); |
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|
1892 } |
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|
1893 } |
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|
1894 } |
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1895 return taken; |
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1896 }, |
1606
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1897 append: function(line) { |
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1898 if (!line.text.length) return; |
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1899 var mylen = this.text.length, mk = line.marked; |
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1900 this.text += line.text; |
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1901 copyStyles(0, line.text.length, line.styles, this.styles); |
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1902 if (mk && mk.length) { |
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1903 var mymk = this.marked || (this.marked = []); |
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1904 for (var i = 0; i < mymk.length; ++i) |
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1905 if (mymk[i].to == null) mymk[i].to = mylen; |
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1906 outer: for (var i = 0; i < mk.length; ++i) { |
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1907 var mark = mk[i]; |
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1908 if (!mark.from) { |
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1909 for (var j = 0; j < mymk.length; ++j) { |
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1910 var mymark = mymk[j]; |
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1911 if (mymark.to == mylen && mymark.set == mark.set) { |
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1912 mymark.to = mark.to == null ? null : mark.to + mylen; |
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1913 continue outer; |
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1914 } |
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1915 } |
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1916 } |
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1917 mymk.push(mark); |
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1918 mark.set.push(this); |
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1919 mark.from += mylen; |
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1920 if (mark.to != null) mark.to += mylen; |
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1921 } |
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1922 } |
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1923 }, |
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1924 addMark: function(from, to, style, set) { |
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1925 set.push(this); |
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1926 if (this.marked == null) this.marked = []; |
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1927 this.marked.push({from: from, to: to, style: style, set: set}); |
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1928 this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);}); |
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1929 }, |
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1930 // Run the given mode's parser over a line, update the styles |
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1931 // array, which contains alternating fragments of text and CSS |
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1932 // classes. |
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1933 highlight: function(mode, state) { |
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1934 var stream = new StringStream(this.text), st = this.styles, pos = 0; |
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1935 var changed = false, curWord = st[0], prevWord; |
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1936 if (this.text == "" && mode.blankLine) mode.blankLine(state); |
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1937 while (!stream.eol()) { |
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1938 var style = mode.token(stream, state); |
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1939 var substr = this.text.slice(stream.start, stream.pos); |
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1940 stream.start = stream.pos; |
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1941 if (pos && st[pos-1] == style) |
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1942 st[pos-2] += substr; |
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1943 else if (substr) { |
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1944 if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true; |
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1945 st[pos++] = substr; st[pos++] = style; |
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1946 prevWord = curWord; curWord = st[pos]; |
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1947 } |
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1948 // Give up when line is ridiculously long |
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1949 if (stream.pos > 5000) { |
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1950 st[pos++] = this.text.slice(stream.pos); st[pos++] = null; |
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1951 break; |
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1952 } |
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1953 } |
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1954 if (st.length != pos) {st.length = pos; changed = true;} |
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1955 if (pos && st[pos-2] != prevWord) changed = true; |
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1956 // Short lines with simple highlights return null, and are |
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1957 // counted as changed by the driver because they are likely to |
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1958 // highlight the same way in various contexts. |
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1959 return changed || (st.length < 5 && this.text.length < 10 ? null : false); |
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1960 }, |
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1961 // Fetch the parser token for a given character. Useful for hacks |
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1962 // that want to inspect the mode state (say, for completion). |
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1963 getTokenAt: function(mode, state, ch) { |
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1964 var txt = this.text, stream = new StringStream(txt); |
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1965 while (stream.pos < ch && !stream.eol()) { |
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1966 stream.start = stream.pos; |
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1967 var style = mode.token(stream, state); |
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1968 } |
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1969 return {start: stream.start, |
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1970 end: stream.pos, |
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1971 string: stream.current(), |
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1972 className: style || null, |
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1973 state: state}; |
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1974 }, |
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1975 indentation: function() {return countColumn(this.text);}, |
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1976 // Produces an HTML fragment for the line, taking selection, |
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1977 // marking, and highlighting into account. |
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1978 getHTML: function(sfrom, sto, includePre, endAt) { |
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1979 var html = []; |
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1980 if (includePre) |
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1981 html.push(this.className ? '<pre class="' + this.className + '">': "<pre>"); |
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1982 function span(text, style) { |
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1983 if (!text) return; |
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1984 if (style) html.push('<span class="', style, '">', htmlEscape(text), "</span>"); |
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1985 else html.push(htmlEscape(text)); |
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1986 } |
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1987 var st = this.styles, allText = this.text, marked = this.marked; |
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1988 if (sfrom == sto) sfrom = null; |
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1989 var len = allText.length; |
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1990 if (endAt != null) len = Math.min(endAt, len); |
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1991 |
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1992 if (!allText && endAt == null) |
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1993 span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null); |
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1994 else if (!marked && sfrom == null) |
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1995 for (var i = 0, ch = 0; ch < len; i+=2) { |
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1996 var str = st[i], style = st[i+1], l = str.length; |
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1997 if (ch + l > len) str = str.slice(0, len - ch); |
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1998 ch += l; |
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1999 span(str, style && "cm-" + style); |
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2000 } |
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2001 else { |
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2002 var pos = 0, i = 0, text = "", style, sg = 0; |
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2003 var markpos = -1, mark = null; |
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2004 function nextMark() { |
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2005 if (marked) { |
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2006 markpos += 1; |
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2007 mark = (markpos < marked.length) ? marked[markpos] : null; |
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2008 } |
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2009 } |
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2010 nextMark(); |
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2011 while (pos < len) { |
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2012 var upto = len; |
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2013 var extraStyle = ""; |
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2014 if (sfrom != null) { |
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2015 if (sfrom > pos) upto = sfrom; |
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2016 else if (sto == null || sto > pos) { |
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2017 extraStyle = " CodeMirror-selected"; |
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2018 if (sto != null) upto = Math.min(upto, sto); |
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2019 } |
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2020 } |
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2021 while (mark && mark.to != null && mark.to <= pos) nextMark(); |
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2022 if (mark) { |
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2023 if (mark.from > pos) upto = Math.min(upto, mark.from); |
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2024 else { |
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2025 extraStyle += " " + mark.style; |
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2026 if (mark.to != null) upto = Math.min(upto, mark.to); |
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2027 } |
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2028 } |
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2029 for (;;) { |
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2030 var end = pos + text.length; |
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2031 var appliedStyle = style; |
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2032 if (extraStyle) appliedStyle = style ? style + extraStyle : extraStyle; |
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2033 span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle); |
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2034 if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} |
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2035 pos = end; |
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2036 text = st[i++]; style = "cm-" + st[i++]; |
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2037 } |
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2038 } |
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2039 if (sfrom != null && sto == null) span(" ", "CodeMirror-selected"); |
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2040 } |
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2041 if (includePre) html.push("</pre>"); |
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2042 return html.join(""); |
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2043 } |
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2044 }; |
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diff
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|
2045 // Utility used by replace and split above |
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diff
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|
2046 function copyStyles(from, to, source, dest) { |
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changeset
|
2047 for (var i = 0, pos = 0, state = 0; pos < to; i+=2) { |
166317d464f3
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|
2048 var part = source[i], end = pos + part.length; |
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parents:
diff
changeset
|
2049 if (state == 0) { |
166317d464f3
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parents:
diff
changeset
|
2050 if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]); |
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|
2051 if (end >= from) state = 1; |
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diff
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|
2052 } |
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parents:
diff
changeset
|
2053 else if (state == 1) { |
166317d464f3
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parents:
diff
changeset
|
2054 if (end > to) dest.push(part.slice(0, to - pos), source[i+1]); |
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parents:
diff
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|
2055 else dest.push(part, source[i+1]); |
166317d464f3
Added server side file editing with commit
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parents:
diff
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|
2056 } |
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parents:
diff
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|
2057 pos = end; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2058 } |
166317d464f3
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parents:
diff
changeset
|
2059 } |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2060 |
166317d464f3
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parents:
diff
changeset
|
2061 // The history object 'chunks' changes that are made close together |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
2062 // and at almost the same time into bigger undoable units. |
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parents:
diff
changeset
|
2063 function History() { |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2064 this.time = 0; |
166317d464f3
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diff
changeset
|
2065 this.done = []; this.undone = []; |
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parents:
diff
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2066 } |
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parents:
diff
changeset
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2067 History.prototype = { |
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diff
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2068 addChange: function(start, added, old) { |
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parents:
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|
2069 this.undone.length = 0; |
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2070 var time = +new Date, last = this.done[this.done.length - 1]; |
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2071 if (time - this.time > 400 || !last || |
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2072 last.start > start + added || last.start + last.added < start - last.added + last.old.length) |
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2073 this.done.push({start: start, added: added, old: old}); |
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parents:
diff
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2074 else { |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
2075 var oldoff = 0; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2076 if (start < last.start) { |
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2077 for (var i = last.start - start - 1; i >= 0; --i) |
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parents:
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2078 last.old.unshift(old[i]); |
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2079 last.added += last.start - start; |
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parents:
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2080 last.start = start; |
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2081 } |
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2082 else if (last.start < start) { |
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parents:
diff
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2083 oldoff = start - last.start; |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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changeset
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2084 added += oldoff; |
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diff
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2085 } |
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parents:
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2086 for (var i = last.added - oldoff, e = old.length; i < e; ++i) |
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parents:
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2087 last.old.push(old[i]); |
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2088 if (last.added < added) last.added = added; |
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parents:
diff
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2089 } |
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parents:
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2090 this.time = time; |
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parents:
diff
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2091 } |
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parents:
diff
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2092 }; |
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parents:
diff
changeset
|
2093 |
1606
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Marcin Kuzminski <marcin@python-works.com>
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1305
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2094 function stopMethod() {e_stop(this);} |
1305
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2095 // Ensure an event has a stop method. |
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parents:
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2096 function addStop(event) { |
1606
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bumped codemirror to latest version
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2097 if (!event.stop) event.stop = stopMethod; |
1305
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2098 return event; |
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parents:
diff
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|
2099 } |
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parents:
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|
2100 |
1606
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2101 function e_preventDefault(e) { |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
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2102 if (e.preventDefault) e.preventDefault(); |
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bumped codemirror to latest version
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parents:
1305
diff
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2103 else e.returnValue = false; |
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
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2104 } |
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parents:
1305
diff
changeset
|
2105 function e_stopPropagation(e) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
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2106 if (e.stopPropagation) e.stopPropagation(); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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2107 else e.cancelBubble = true; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2108 } |
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2109 function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} |
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
2110 function e_target(e) {return e.target || e.srcElement;} |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2111 function e_button(e) { |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2112 if (e.which) return e.which; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2113 else if (e.button & 1) return 1; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2114 else if (e.button & 2) return 3; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2115 else if (e.button & 4) return 2; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2116 } |
1305
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2117 |
166317d464f3
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parents:
diff
changeset
|
2118 // Event handler registration. If disconnect is true, it'll return a |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
2119 // function that unregisters the handler. |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2120 function connect(node, type, handler, disconnect) { |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
2121 function wrapHandler(event) {handler(event || window.event);} |
1305
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parents:
diff
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|
2122 if (typeof node.addEventListener == "function") { |
166317d464f3
Added server side file editing with commit
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parents:
diff
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|
2123 node.addEventListener(type, wrapHandler, false); |
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Added server side file editing with commit
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parents:
diff
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|
2124 if (disconnect) return function() {node.removeEventListener(type, wrapHandler, false);}; |
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parents:
diff
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2125 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2126 else { |
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parents:
diff
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|
2127 node.attachEvent("on" + type, wrapHandler); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2128 if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2129 } |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2130 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
2131 |
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2132 function Delayed() {this.id = null;} |
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diff
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2133 Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; |
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parents:
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|
2134 |
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parents:
diff
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2135 // Some IE versions don't preserve whitespace when setting the |
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parents:
diff
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2136 // innerHTML of a PRE tag. |
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diff
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2137 var badInnerHTML = (function() { |
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parents:
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2138 var pre = document.createElement("pre"); |
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2139 pre.innerHTML = " "; return !pre.innerHTML; |
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2140 })(); |
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diff
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|
2141 |
1606
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2142 // Detect drag-and-drop |
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2143 var dragAndDrop = (function() { |
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2144 // IE8 has ondragstart and ondrop properties, but doesn't seem to |
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2145 // actually support ondragstart the way it's supposed to work. |
a30689fc4f61
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1305
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2146 if (/MSIE [1-8]\b/.test(navigator.userAgent)) return false; |
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2147 var div = document.createElement('div'); |
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2148 return "ondragstart" in div && "ondrop" in div; |
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2149 })(); |
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|
2150 |
1305
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2151 var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); |
1606
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2152 var ie = /MSIE \d/.test(navigator.userAgent); |
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2153 var safari = /Apple Computer/.test(navigator.vendor); |
1305
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2154 |
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2155 var lineSep = "\n"; |
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2156 // Feature-detect whether newlines in textareas are converted to \r\n |
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2157 (function () { |
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2158 var te = document.createElement("textarea"); |
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2159 te.value = "foo\nbar"; |
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2160 if (te.value.indexOf("\r") > -1) lineSep = "\r\n"; |
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2161 }()); |
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2162 |
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2163 var tabSize = 8; |
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2164 var mac = /Mac/.test(navigator.platform); |
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2165 var movementKeys = {}; |
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2166 for (var i = 35; i <= 40; ++i) |
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|
2167 movementKeys[i] = movementKeys["c" + i] = true; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2168 |
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parents:
diff
changeset
|
2169 // Counts the column offset in a string, taking tabs into account. |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2170 // Used mostly to find indentation. |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2171 function countColumn(string, end) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2172 if (end == null) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2173 end = string.search(/[^\s\u00a0]/); |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
2174 if (end == -1) end = string.length; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2175 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2176 for (var i = 0, n = 0; i < end; ++i) { |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
|
2177 if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2178 else ++n; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2179 } |
166317d464f3
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parents:
diff
changeset
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2180 return n; |
166317d464f3
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2181 } |
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parents:
diff
changeset
|
2182 |
1606
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bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2183 function computedStyle(elt) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2184 if (elt.currentStyle) return elt.currentStyle; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2185 return window.getComputedStyle(elt, null); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2186 } |
1305
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2187 // Find the position of an element by following the offsetParent chain. |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
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2188 // If screen==true, it returns screen (rather than page) coordinates. |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2189 function eltOffset(node, screen) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2190 var doc = node.ownerDocument.body; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2191 var x = 0, y = 0, skipDoc = false; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2192 for (var n = node; n; n = n.offsetParent) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
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2193 x += n.offsetLeft; y += n.offsetTop; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
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2194 if (screen && computedStyle(n).position == "fixed") |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
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2195 skipDoc = true; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
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2196 } |
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bumped codemirror to latest version
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parents:
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diff
changeset
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2197 var e = screen && !skipDoc ? null : doc; |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
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diff
changeset
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2198 for (var n = node.parentNode; n != e; n = n.parentNode) |
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bumped codemirror to latest version
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parents:
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diff
changeset
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2199 if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;} |
1305
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parents:
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2200 return {left: x, top: y}; |
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parents:
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changeset
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2201 } |
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parents:
diff
changeset
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2202 // Get a node's text content. |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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changeset
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2203 function eltText(node) { |
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parents:
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changeset
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2204 return node.textContent || node.innerText || node.nodeValue || ""; |
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parents:
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2205 } |
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Marcin Kuzminski <marcin@python-works.com>
parents:
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2206 |
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parents:
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2207 // Operations on {line, ch} objects. |
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parents:
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2208 function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} |
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parents:
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2209 function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} |
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parents:
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2210 function copyPos(x) {return {line: x.line, ch: x.ch};} |
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parents:
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2211 |
1606
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parents:
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diff
changeset
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2212 var escapeElement = document.createElement("pre"); |
1305
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parents:
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changeset
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2213 function htmlEscape(str) { |
1606
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bumped codemirror to latest version
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parents:
1305
diff
changeset
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2214 if (badTextContent) { |
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
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2215 escapeElement.innerHTML = ""; |
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bumped codemirror to latest version
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parents:
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diff
changeset
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2216 escapeElement.appendChild(document.createTextNode(str)); |
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
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2217 } else { |
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bumped codemirror to latest version
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parents:
1305
diff
changeset
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2218 escapeElement.textContent = str; |
a30689fc4f61
bumped codemirror to latest version
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parents:
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diff
changeset
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2219 } |
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bumped codemirror to latest version
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parents:
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diff
changeset
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2220 return escapeElement.innerHTML; |
1305
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parents:
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2221 } |
1606
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bumped codemirror to latest version
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parents:
1305
diff
changeset
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2222 var badTextContent = htmlEscape("\t") != "\t"; |
a30689fc4f61
bumped codemirror to latest version
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2223 CodeMirror.htmlEscape = htmlEscape; |
1305
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parents:
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2224 |
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parents:
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changeset
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2225 // Used to position the cursor after an undo/redo by finding the |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2226 // last edited character. |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2227 function editEnd(from, to) { |
166317d464f3
Added server side file editing with commit
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parents:
diff
changeset
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2228 if (!to) return from ? from.length : 0; |
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Added server side file editing with commit
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parents:
diff
changeset
|
2229 if (!from) return to.length; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2230 for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) |
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parents:
diff
changeset
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2231 if (from.charAt(i) != to.charAt(j)) break; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2232 return j + 1; |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2233 } |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2234 |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2235 function indexOf(collection, elt) { |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2236 if (collection.indexOf) return collection.indexOf(elt); |
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Added server side file editing with commit
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parents:
diff
changeset
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2237 for (var i = 0, e = collection.length; i < e; ++i) |
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Added server side file editing with commit
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parents:
diff
changeset
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2238 if (collection[i] == elt) return i; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2239 return -1; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2240 } |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2241 |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2242 // See if "".split is the broken IE version, if so, provide an |
166317d464f3
Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2243 // alternative way to split lines. |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
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2244 var splitLines, selRange, setSelRange; |
1305
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Added server side file editing with commit
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parents:
diff
changeset
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2245 if ("\n\nb".split(/\n/).length != 3) |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2246 splitLines = function(string) { |
1305
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Added server side file editing with commit
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parents:
diff
changeset
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2247 var pos = 0, nl, result = []; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2248 while ((nl = string.indexOf("\n", pos)) > -1) { |
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Added server side file editing with commit
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parents:
diff
changeset
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2249 result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl)); |
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Added server side file editing with commit
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parents:
diff
changeset
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2250 pos = nl + 1; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
2251 } |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2252 result.push(string.slice(pos)); |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
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2253 return result; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2254 }; |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
2255 else |
1606
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bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2256 splitLines = function(string){return string.split(/\r?\n/);}; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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|
2257 CodeMirror.splitLines = splitLines; |
1305
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Added server side file editing with commit
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parents:
diff
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|
2258 |
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parents:
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2259 // Sane model of finding and setting the selection in a textarea |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2260 if (window.getSelection) { |
1606
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2261 selRange = function(te) { |
1305
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Added server side file editing with commit
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parents:
diff
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2262 try {return {start: te.selectionStart, end: te.selectionEnd};} |
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Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2263 catch(e) {return null;} |
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Added server side file editing with commit
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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2264 }; |
1606
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2265 if (safari) |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
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2266 // On Safari, selection set with setSelectionRange are in a sort |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2267 // of limbo wrt their anchor. If you press shift-left in them, |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2268 // the anchor is put at the end, and the selection expanded to |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2269 // the left. If you press shift-right, the anchor ends up at the |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2270 // front. This is not what CodeMirror wants, so it does a |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2271 // spurious modify() call to get out of limbo. |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2272 setSelRange = function(te, start, end) { |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
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|
2273 if (start == end) |
a30689fc4f61
bumped codemirror to latest version
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1305
diff
changeset
|
2274 te.setSelectionRange(start, end); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2275 else { |
a30689fc4f61
bumped codemirror to latest version
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diff
changeset
|
2276 te.setSelectionRange(start, end - 1); |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
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|
2277 window.getSelection().modify("extend", "forward", "character"); |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2278 } |
a30689fc4f61
bumped codemirror to latest version
Marcin Kuzminski <marcin@python-works.com>
parents:
1305
diff
changeset
|
2279 }; |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2280 else |
a30689fc4f61
bumped codemirror to latest version
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1305
diff
changeset
|
2281 setSelRange = function(te, start, end) { |
a30689fc4f61
bumped codemirror to latest version
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1305
diff
changeset
|
2282 try {te.setSelectionRange(start, end);} |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2283 catch(e) {} // Fails on Firefox when textarea isn't part of the document |
a30689fc4f61
bumped codemirror to latest version
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parents:
1305
diff
changeset
|
2284 }; |
1305
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Added server side file editing with commit
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parents:
diff
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|
2285 } |
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Added server side file editing with commit
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parents:
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|
2286 // IE model. Don't ask. |
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Added server side file editing with commit
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parents:
diff
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2287 else { |
1606
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2288 selRange = function(te) { |
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2289 try {var range = te.ownerDocument.selection.createRange();} |
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2290 catch(e) {return null;} |
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2291 if (!range || range.parentElement() != te) return null; |
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2292 var val = te.value, len = val.length, localRange = te.createTextRange(); |
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2293 localRange.moveToBookmark(range.getBookmark()); |
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2294 var endRange = te.createTextRange(); |
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2295 endRange.collapse(false); |
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2296 |
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2297 if (localRange.compareEndPoints("StartToEnd", endRange) > -1) |
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2298 return {start: len, end: len}; |
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2299 |
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2300 var start = -localRange.moveStart("character", -len); |
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2301 for (var i = val.indexOf("\r"); i > -1 && i < start; i = val.indexOf("\r", i+1), start++) {} |
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2302 |
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2303 if (localRange.compareEndPoints("EndToEnd", endRange) > -1) |
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2304 return {start: start, end: len}; |
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2305 |
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2306 var end = -localRange.moveEnd("character", -len); |
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2307 for (var i = val.indexOf("\r"); i > -1 && i < end; i = val.indexOf("\r", i+1), end++) {} |
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2308 return {start: start, end: end}; |
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2309 }; |
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2310 setSelRange = function(te, start, end) { |
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2311 var range = te.createTextRange(); |
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2312 range.collapse(true); |
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2313 var endrange = range.duplicate(); |
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2314 var newlines = 0, txt = te.value; |
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2315 for (var pos = txt.indexOf("\n"); pos > -1 && pos < start; pos = txt.indexOf("\n", pos + 1)) |
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2316 ++newlines; |
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2317 range.move("character", start - newlines); |
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2318 for (; pos > -1 && pos < end; pos = txt.indexOf("\n", pos + 1)) |
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2319 ++newlines; |
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2320 endrange.move("character", end - newlines); |
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2321 range.setEndPoint("EndToEnd", endrange); |
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2322 range.select(); |
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2323 }; |
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2324 } |
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2325 |
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2326 CodeMirror.defineMode("null", function() { |
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2327 return {token: function(stream) {stream.skipToEnd();}}; |
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2328 }); |
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2329 CodeMirror.defineMIME("text/plain", "null"); |
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2330 |
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2331 return CodeMirror; |
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2332 })(); |