Mercurial > kallithea
changeset 2861:f034e6a13a5e beta
updated codemirror to 2.34
| author | Marcin Kuzminski <marcin@python-works.com> |
|---|---|
| date | Sat, 22 Sep 2012 16:42:40 +0200 |
| parents | a5f29bd67760 |
| children | f0dfff8ceb27 |
| files | rhodecode/public/css/codemirror.css rhodecode/public/js/codemirror.js |
| diffstat | 2 files changed, 810 insertions(+), 843 deletions(-) [+] |
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line diff
--- a/rhodecode/public/css/codemirror.css Fri Sep 21 15:29:50 2012 +0800 +++ b/rhodecode/public/css/codemirror.css Sat Sep 22 16:42:40 2012 +0200 @@ -9,8 +9,7 @@ } .CodeMirror-scroll { - overflow-x: auto; - overflow-y: hidden; + overflow: auto; height: 300px; /* This is needed to prevent an IE[67] bug where the scrolled content is visible outside of the scrolling box. */ @@ -20,13 +19,11 @@ /* Vertical scrollbar */ .CodeMirror-scrollbar { - float: right; + position: absolute; + right: 0; top: 0; overflow-x: hidden; overflow-y: scroll; - - /* This corrects for the 1px gap introduced to the left of the scrollbar - by the rule for .CodeMirror-scrollbar-inner. */ - margin-left: -1px; + z-index: 5; } .CodeMirror-scrollbar-inner { /* This needs to have a nonzero width in order for the scrollbar to appear @@ -62,16 +59,13 @@ text-align: right; padding: .4em .2em .4em .4em; white-space: pre !important; + cursor: default; } .CodeMirror-lines { padding: .4em; white-space: pre; cursor: text; } -.CodeMirror-lines * { - /* Necessary for throw-scrolling to decelerate properly on Safari. */ - pointer-events: none; -} .CodeMirror pre { -moz-border-radius: 0; @@ -151,7 +145,7 @@ .cm-s-default span.cm-error {color: #f00;} .cm-s-default span.cm-qualifier {color: #555;} .cm-s-default span.cm-builtin {color: #30a;} -.cm-s-default span.cm-bracket {color: #cc7;} +.cm-s-default span.cm-bracket {color: #997;} .cm-s-default span.cm-tag {color: #170;} .cm-s-default span.cm-attribute {color: #00c;} .cm-s-default span.cm-header {color: blue;} @@ -164,5 +158,16 @@ span.cm-emstrong {font-style: italic; font-weight: bold;} span.cm-link {text-decoration: underline;} +span.cm-invalidchar {color: #f00;} + div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} + +@media print { + + /* Hide the cursor when printing */ + .CodeMirror pre.CodeMirror-cursor { + visibility: hidden; + } + +}
--- a/rhodecode/public/js/codemirror.js Fri Sep 21 15:29:50 2012 +0800 +++ b/rhodecode/public/js/codemirror.js Sat Sep 22 16:42:40 2012 +0200 @@ -3,7 +3,8 @@ // some utilities are defined. // CodeMirror is the only global var we claim -var CodeMirror = (function() { +window.CodeMirror = (function() { + "use strict"; // This is the function that produces an editor instance. Its // closure is used to store the editor state. function CodeMirror(place, givenOptions) { @@ -13,38 +14,33 @@ if (defaults.hasOwnProperty(opt)) options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; + var input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em"); + input.setAttribute("wrap", "off"); input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); + // Wraps and hides input textarea + var inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The empty scrollbar content, used solely for managing the scrollbar thumb. + var scrollbarInner = elt("div", null, "CodeMirror-scrollbar-inner"); + // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. + var scrollbar = elt("div", [scrollbarInner], "CodeMirror-scrollbar"); + // DIVs containing the selection and the actual code + var lineDiv = elt("div"), selectionDiv = elt("div", null, null, "position: relative; z-index: -1"); + // Blinky cursor, and element used to ensure cursor fits at the end of a line + var cursor = elt("pre", "\u00a0", "CodeMirror-cursor"), widthForcer = elt("pre", "\u00a0", "CodeMirror-cursor", "visibility: hidden"); + // Used to measure text size + var measure = elt("div", null, null, "position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden;"); + var lineSpace = elt("div", [measure, cursor, widthForcer, selectionDiv, lineDiv], null, "position: relative; z-index: 0"); + var gutterText = elt("div", null, "CodeMirror-gutter-text"), gutter = elt("div", [gutterText], "CodeMirror-gutter"); + // Moved around its parent to cover visible view + var mover = elt("div", [gutter, elt("div", [lineSpace], "CodeMirror-lines")], null, "position: relative"); + // Set to the height of the text, causes scrolling + var sizer = elt("div", [mover], null, "position: relative"); + // Provides scrolling + var scroller = elt("div", [sizer], "CodeMirror-scroll"); + scroller.setAttribute("tabIndex", "-1"); // The element in which the editor lives. - var wrapper = document.createElement("div"); - wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : ""); - // This mess creates the base DOM structure for the editor. - wrapper.innerHTML = - '<div style="overflow: hidden; position: relative; width: 3px; height: 0px;">' + // Wraps and hides input textarea - '<textarea style="position: absolute; padding: 0; width: 1px; height: 1em" wrap="off" ' + - 'autocorrect="off" autocapitalize="off"></textarea></div>' + - '<div class="CodeMirror-scrollbar">' + // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. - '<div class="CodeMirror-scrollbar-inner">' + // The empty scrollbar content, used solely for managing the scrollbar thumb. - '</div></div>' + // This must be before the scroll area because it's float-right. - '<div class="CodeMirror-scroll" tabindex="-1">' + - '<div style="position: relative">' + // Set to the height of the text, causes scrolling - '<div style="position: relative">' + // Moved around its parent to cover visible view - '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' + - // Provides positioning relative to (visible) text origin - '<div class="CodeMirror-lines"><div style="position: relative; z-index: 0">' + - // Used to measure text size - '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden;"></div>' + - '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor - '<pre class="CodeMirror-cursor" style="visibility: hidden"> </pre>' + // Used to force a width - '<div style="position: relative; z-index: -1"></div><div></div>' + // DIVs containing the selection and the actual code - '</div></div></div></div></div>'; + var wrapper = elt("div", [inputDiv, scrollbar, scroller], "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : "")); if (place.appendChild) place.appendChild(wrapper); else place(wrapper); - // I've never seen more elegant code in my life. - var inputDiv = wrapper.firstChild, input = inputDiv.firstChild, - scroller = wrapper.lastChild, code = scroller.firstChild, - mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild, - lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild, - cursor = measure.nextSibling, widthForcer = cursor.nextSibling, - selectionDiv = widthForcer.nextSibling, lineDiv = selectionDiv.nextSibling, - scrollbar = inputDiv.nextSibling, scrollbarInner = scrollbar.firstChild; + themeChanged(); keyMapChanged(); // Needed to hide big blue blinking cursor on Mobile Safari if (ios) input.style.width = "0px"; @@ -56,33 +52,21 @@ // Needed to handle Tab key in KHTML if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute"; - // Check for OS X >= 10.7. If so, we need to force a width on the scrollbar, and - // make it overlap the content. (But we only do this if the scrollbar doesn't already - // have a natural width. If the mouse is plugged in or the user sets the system pref - // to always show scrollbars, the scrollbar shouldn't overlap.) - if (mac_geLion) { - scrollbar.className += (overlapScrollbars() ? " cm-sb-overlap" : " cm-sb-nonoverlap"); - } else if (ie_lt8) { - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - scrollbar.className += " cm-sb-ie7"; - } - - // Check for problem with IE innerHTML not working when we have a - // P (or similar) parent node. - try { stringWidth("x"); } - catch (e) { - if (e.message.match(/runtime/i)) - e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)"); - throw e; - } + // Check for OS X >= 10.7. This has transparent scrollbars, so the + // overlaying of one scrollbar with another won't work. This is a + // temporary hack to simply turn off the overlay scrollbar. See + // issue #727. + if (mac_geLion) { scrollbar.style.zIndex = -2; scrollbar.style.visibility = "hidden"; } + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + else if (ie_lt8) scrollbar.style.minWidth = "18px"; // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. var poll = new Delayed(), highlight = new Delayed(), blinker; // mode holds a mode API object. doc is the tree of Line objects, - // work an array of lines that should be parsed, and history the - // undo history (instance of History constructor). - var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused; + // frontier is the point up to which the content has been parsed, + // and history the undo history (instance of History constructor). + var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), frontier = 0, focused; loadMode(); // The selection. These are always maintained to point at valid // positions. Inverted is used to remember that the user is @@ -90,11 +74,11 @@ var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; // Selection-related flags. shiftSelecting obviously tracks // whether the user is holding shift. - var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, lastScrollLeft = 0, draggingText, + var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, draggingText, overwrite = false, suppressEdits = false; // Variables used by startOperation/endOperation to track what // happened during the operation. - var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone, + var updateInput, userSelChange, changes, textChanged, selectionChanged, gutterDirty, callbacks; // Current visible range (may be bigger than the view window). var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; @@ -103,8 +87,9 @@ var bracketHighlighted; // Tracks the maximum line length so that the horizontal scrollbar // can be kept static when scrolling. - var maxLine = "", updateMaxLine = false, maxLineChanged = true; - var tabCache = {}; + var maxLine = getLine(0), updateMaxLine = false, maxLineChanged = true; + var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll + var goalColumn = null; // Initialize the content. operation(function(){setValue(options.value || ""); updateInput = false;})(); @@ -118,12 +103,13 @@ // which point we can't mess with it anymore. Context menu is // handled in onMouseDown for Gecko. if (!gecko) connect(scroller, "contextmenu", onContextMenu); - connect(scroller, "scroll", onScroll); - connect(scrollbar, "scroll", onScroll); - connect(scrollbar, "mousedown", function() {setTimeout(focusInput, 0);}); - connect(scroller, "mousewheel", onMouseWheel); - connect(scroller, "DOMMouseScroll", onMouseWheel); - connect(window, "resize", function() {updateDisplay(true);}); + connect(scroller, "scroll", onScrollMain); + connect(scrollbar, "scroll", onScrollBar); + connect(scrollbar, "mousedown", function() {if (focused) setTimeout(focusInput, 0);}); + var resizeHandler = connect(window, "resize", function() { + if (wrapper.parentNode) updateDisplay(true); + else resizeHandler(); + }, true); connect(input, "keyup", operation(onKeyUp)); connect(input, "input", fastPoll); connect(input, "keydown", operation(onKeyDown)); @@ -131,12 +117,12 @@ connect(input, "focus", onFocus); connect(input, "blur", onBlur); + function drag_(e) { + if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; + e_stop(e); + } if (options.dragDrop) { connect(scroller, "dragstart", onDragStart); - function drag_(e) { - if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e_stop(e); - } connect(scroller, "dragenter", drag_); connect(scroller, "dragover", drag_); connect(scroller, "drop", operation(onDrop)); @@ -148,7 +134,7 @@ })); // Needed to handle Tab key in KHTML - if (khtml) connect(code, "mouseup", function() { + if (khtml) connect(sizer, "mouseup", function() { if (document.activeElement == input) input.blur(); focusInput(); }); @@ -181,12 +167,14 @@ else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); else if (option == "tabSize") updateDisplay(true); else if (option == "keyMap") keyMapChanged(); - if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme") { + if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || + option == "theme" || option == "lineNumberFormatter") { gutterChanged(); updateDisplay(true); } }, getOption: function(option) {return options[option];}, + getMode: function() {return mode;}, undo: operation(undo), redo: operation(redo), indentLine: operation(function(n, dir) { @@ -199,10 +187,29 @@ indentSelection: operation(indentSelected), historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, clearHistory: function() {history = new History();}, + setHistory: function(histData) { + history = new History(); + history.done = histData.done; + history.undone = histData.undone; + }, + getHistory: function() { + function cp(arr) { + for (var i = 0, nw = [], nwelt; i < arr.length; ++i) { + nw.push(nwelt = []); + for (var j = 0, elt = arr[i]; j < elt.length; ++j) { + var old = [], cur = elt[j]; + nwelt.push({start: cur.start, added: cur.added, old: old}); + for (var k = 0; k < cur.old.length; ++k) old.push(hlText(cur.old[k])); + } + } + return nw; + } + return {done: cp(history.done), undone: cp(history.undone)}; + }, matchBrackets: operation(function(){matchBrackets(true);}), getTokenAt: operation(function(pos) { pos = clipPos(pos); - return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch); + return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), options.tabSize, pos.ch); }), getStateAfter: function(line) { line = clipLine(line == null ? doc.size - 1: line); @@ -239,15 +246,16 @@ return line; }, lineInfo: lineInfo, + getViewport: function() { return {from: showingFrom, to: showingTo};}, addWidget: function(pos, node, scroll, vert, horiz) { pos = localCoords(clipPos(pos)); var top = pos.yBot, left = pos.x; node.style.position = "absolute"; - code.appendChild(node); + sizer.appendChild(node); if (vert == "over") top = pos.y; else if (vert == "near") { var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), - hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft(); + hspace = Math.max(sizer.clientWidth, lineSpace.clientWidth) - paddingLeft(); if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) top = pos.y - node.offsetHeight; if (left + node.offsetWidth > hspace) @@ -256,11 +264,11 @@ node.style.top = (top + paddingTop()) + "px"; node.style.left = node.style.right = ""; if (horiz == "right") { - left = code.clientWidth - node.offsetWidth; + left = sizer.clientWidth - node.offsetWidth; node.style.right = "0px"; } else { if (horiz == "left") left = 0; - else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2; + else if (horiz == "middle") left = (sizer.clientWidth - node.offsetWidth) / 2; node.style.left = (left + paddingLeft()) + "px"; } if (scroll) @@ -290,7 +298,7 @@ if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); }), replaceRange: operation(replaceRange), - getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));}, + getRange: function(from, to, lineSep) {return getRange(clipPos(from), clipPos(to), lineSep);}, triggerOnKeyDown: operation(onKeyDown), execCommand: function(cmd) {return commands[cmd](instance);}, @@ -328,18 +336,27 @@ }, scrollTo: function(x, y) { if (x != null) scroller.scrollLeft = x; - if (y != null) scrollbar.scrollTop = y; + if (y != null) scrollbar.scrollTop = scroller.scrollTop = y; updateDisplay([]); }, getScrollInfo: function() { return {x: scroller.scrollLeft, y: scrollbar.scrollTop, height: scrollbar.scrollHeight, width: scroller.scrollWidth}; }, + setSize: function(width, height) { + function interpret(val) { + val = String(val); + return /^\d+$/.test(val) ? val + "px" : val; + } + if (width != null) wrapper.style.width = interpret(width); + if (height != null) scroller.style.height = interpret(height); + instance.refresh(); + }, operation: function(f){return operation(f)();}, compoundChange: function(f){return compoundChange(f);}, refresh: function(){ - updateDisplay(true); + updateDisplay(true, null, lastScrollTop); if (scrollbar.scrollHeight > lastScrollTop) scrollbar.scrollTop = lastScrollTop; }, @@ -356,33 +373,48 @@ for (var n = line; n; n = n.parent) n.height += diff; } + function lineContent(line, wrapAt) { + if (!line.styles) + line.highlight(mode, line.stateAfter = getStateBefore(lineNo(line)), options.tabSize); + return line.getContent(options.tabSize, wrapAt, options.lineWrapping); + } + function setValue(code) { var top = {line: 0, ch: 0}; updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, splitLines(code), top, top); updateInput = true; } - function getValue() { + function getValue(lineSep) { var text = []; doc.iter(0, doc.size, function(line) { text.push(line.text); }); - return text.join("\n"); + return text.join(lineSep || "\n"); } - function onScroll(e) { - if (lastScrollTop != scrollbar.scrollTop || lastScrollLeft != scroller.scrollLeft) { - lastScrollTop = scrollbar.scrollTop; - lastScrollLeft = scroller.scrollLeft; + function onScrollBar(e) { + if (scrollbar.scrollTop != lastScrollTop) { + lastScrollTop = scroller.scrollTop = scrollbar.scrollTop; updateDisplay([]); - if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px"; - if (options.onScroll) options.onScroll(instance); } } + function onScrollMain(e) { + if (options.fixedGutter && gutter.style.left != scroller.scrollLeft + "px") + gutter.style.left = scroller.scrollLeft + "px"; + if (scroller.scrollTop != lastScrollTop) { + lastScrollTop = scroller.scrollTop; + if (scrollbar.scrollTop != lastScrollTop) + scrollbar.scrollTop = lastScrollTop; + updateDisplay([]); + } + if (options.onScroll) options.onScroll(instance); + } + function onMouseDown(e) { setShift(e_prop(e, "shiftKey")); // Check whether this is a click in a widget for (var n = e_target(e); n != wrapper; n = n.parentNode) - if (n.parentNode == code && n != mover) return; + if (n.parentNode == sizer && n != mover) return; // See if this is a click in the gutter for (var n = e_target(e); n != wrapper; n = n.parentNode) @@ -396,7 +428,7 @@ switch (e_button(e)) { case 3: - if (gecko && !mac) onContextMenu(e); + if (gecko) onContextMenu(e); return; case 2: if (start) setCursor(start.line, start.ch, true); @@ -411,32 +443,35 @@ if (!focused) onFocus(); - var now = +new Date; + var now = +new Date, type = "single"; if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { + type = "triple"; e_preventDefault(e); setTimeout(focusInput, 20); - return selectLine(start.line); + selectLine(start.line); } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { + type = "double"; lastDoubleClick = {time: now, pos: start}; e_preventDefault(e); - return selectWordAt(start); + var word = findWordAt(start); + setSelectionUser(word.from, word.to); } else { lastClick = {time: now, pos: start}; } + function dragEnd(e2) { + if (webkit) scroller.draggable = false; + draggingText = false; + up(); drop(); + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2); + setCursor(start.line, start.ch, true); + focusInput(); + } + } var last = start, going; if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) && - !posLess(start, sel.from) && !posLess(sel.to, start)) { + !posLess(start, sel.from) && !posLess(sel.to, start) && type == "single") { // Let the drag handler handle this. if (webkit) scroller.draggable = true; - function dragEnd(e2) { - if (webkit) scroller.draggable = false; - draggingText = false; - up(); drop(); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - setCursor(start.line, start.ch, true); - focusInput(); - } - } var up = connect(document, "mouseup", operation(dragEnd), true); var drop = connect(scroller, "drop", operation(dragEnd), true); draggingText = true; @@ -445,14 +480,29 @@ return; } e_preventDefault(e); - setCursor(start.line, start.ch, true); + if (type == "single") setCursor(start.line, start.ch, true); + + var startstart = sel.from, startend = sel.to; + + function doSelect(cur) { + if (type == "single") { + setSelectionUser(start, cur); + } else if (type == "double") { + var word = findWordAt(cur); + if (posLess(cur, startstart)) setSelectionUser(word.from, startend); + else setSelectionUser(startstart, word.to); + } else if (type == "triple") { + if (posLess(cur, startstart)) setSelectionUser(startend, clipPos({line: cur.line, ch: 0})); + else setSelectionUser(startstart, clipPos({line: cur.line + 1, ch: 0})); + } + } function extend(e) { var cur = posFromMouse(e, true); if (cur && !posEq(cur, last)) { if (!focused) onFocus(); last = cur; - setSelectionUser(start, cur); + doSelect(cur); updateInput = false; var visible = visibleLines(); if (cur.line >= visible.to || cur.line < visible.from) @@ -463,7 +513,7 @@ function done(e) { clearTimeout(going); var cur = posFromMouse(e); - if (cur) setSelectionUser(start, cur); + if (cur) doSelect(cur); e_preventDefault(e); focusInput(); updateInput = true; @@ -480,19 +530,16 @@ function onDoubleClick(e) { for (var n = e_target(e); n != wrapper; n = n.parentNode) if (n.parentNode == gutterText) return e_preventDefault(e); - var start = posFromMouse(e); - if (!start) return; - lastDoubleClick = {time: +new Date, pos: start}; e_preventDefault(e); - selectWordAt(start); } function onDrop(e) { if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; - e.preventDefault(); + e_preventDefault(e); var pos = posFromMouse(e, true), files = e.dataTransfer.files; if (!pos || options.readOnly) return; if (files && files.length && window.FileReader && window.File) { - function loadFile(file, i) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function(file, i) { var reader = new FileReader; reader.onload = function() { text[i] = reader.result; @@ -505,8 +552,7 @@ } }; reader.readAsText(file); - } - var n = files.length, text = Array(n), read = 0; + }; for (var i = 0; i < n; ++i) loadFile(files[i], i); } else { // Don't do a replace if the drop happened inside of the selected text. @@ -529,13 +575,10 @@ function onDragStart(e) { var txt = getSelection(); e.dataTransfer.setData("Text", txt); - + // Use dummy image instead of default browsers image. - if (gecko || chrome || opera) { - var img = document.createElement('img'); - img.scr = 'data:image/gif;base64,R0lGODdhAgACAIAAAAAAAP///ywAAAAAAgACAAACAoRRADs='; //1x1 image - e.dataTransfer.setDragImage(img, 0, 0); - } + if (e.dataTransfer.setDragImage) + e.dataTransfer.setDragImage(elt('img'), 0, 0); } function doHandleBinding(bound, dropShift) { @@ -557,6 +600,7 @@ } return true; } + var maybeTransition; function handleKeyBinding(e) { // Handle auto keymap transitions var startMap = getKeyMap(options.keyMap), next = startMap.auto; @@ -568,10 +612,11 @@ }, 50); var name = keyNames[e_prop(e, "keyCode")], handled = false; + var flipCtrlCmd = opera && mac; if (name == null || e.altGraphKey) return false; if (e_prop(e, "altKey")) name = "Alt-" + name; - if (e_prop(e, "ctrlKey")) name = "Ctrl-" + name; - if (e_prop(e, "metaKey")) name = "Cmd-" + name; + if (e_prop(e, flipCtrlCmd ? "metaKey" : "ctrlKey")) name = "Ctrl-" + name; + if (e_prop(e, flipCtrlCmd ? "ctrlKey" : "metaKey")) name = "Cmd-" + name; var stopped = false; function stop() { stopped = true; } @@ -603,7 +648,7 @@ return handled; } - var lastStoppedKey = null, maybeTransition; + var lastStoppedKey = null; function onKeyDown(e) { if (!focused) onFocus(); if (ie && e.keyCode == 27) { e.returnValue = false; } @@ -647,7 +692,6 @@ focused = true; if (scroller.className.search(/\bCodeMirror-focused\b/) == -1) scroller.className += " CodeMirror-focused"; - if (!leaveInputAlone) resetInput(true); } slowPoll(); restartBlink(); @@ -666,53 +710,20 @@ setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); } - function chopDelta(delta) { - // Make sure we always scroll a little bit for any nonzero delta. - if (delta > 0.0 && delta < 1.0) return 1; - else if (delta > -1.0 && delta < 0.0) return -1; - else return Math.round(delta); - } - - function onMouseWheel(e) { - var deltaX = 0, deltaY = 0; - if (e.type == "DOMMouseScroll") { // Firefox - var delta = -e.detail * 8.0; - if (e.axis == e.HORIZONTAL_AXIS) deltaX = delta; - else if (e.axis == e.VERTICAL_AXIS) deltaY = delta; - } else if (e.wheelDeltaX !== undefined && e.wheelDeltaY !== undefined) { // WebKit - deltaX = e.wheelDeltaX / 3.0; - deltaY = e.wheelDeltaY / 3.0; - } else if (e.wheelDelta !== undefined) { // IE or Opera - deltaY = e.wheelDelta / 3.0; - } - - var scrolled = false; - deltaX = chopDelta(deltaX); - deltaY = chopDelta(deltaY); - if ((deltaX > 0 && scroller.scrollLeft > 0) || - (deltaX < 0 && scroller.scrollLeft + scroller.clientWidth < scroller.scrollWidth)) { - scroller.scrollLeft -= deltaX; - scrolled = true; - } - if ((deltaY > 0 && scrollbar.scrollTop > 0) || - (deltaY < 0 && scrollbar.scrollTop + scrollbar.clientHeight < scrollbar.scrollHeight)) { - scrollbar.scrollTop -= deltaY; - scrolled = true; - } - if (scrolled) e_stop(e); - } - // Replace the range from from to to by the strings in newText. // Afterwards, set the selection to selFrom, selTo. function updateLines(from, to, newText, selFrom, selTo) { if (suppressEdits) return; + var old = []; + doc.iter(from.line, to.line + 1, function(line) { + old.push(newHL(line.text, line.markedSpans)); + }); if (history) { - var old = []; - doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); }); history.addChange(from.line, newText.length, old); while (history.done.length > options.undoDepth) history.done.shift(); } - updateLinesNoUndo(from, to, newText, selFrom, selTo); + var lines = updateMarkedSpans(hlSpans(old[0]), hlSpans(lst(old)), from.ch, to.ch, newText); + updateLinesNoUndo(from, to, lines, selFrom, selTo); } function unredoHelper(from, to) { if (!from.length) return; @@ -720,11 +731,12 @@ for (var i = set.length - 1; i >= 0; i -= 1) { var change = set[i]; var replaced = [], end = change.start + change.added; - doc.iter(change.start, end, function(line) { replaced.push(line.text); }); + doc.iter(change.start, end, function(line) { replaced.push(newHL(line.text, line.markedSpans)); }); out.push({start: change.start, added: change.old.length, old: replaced}); var pos = {line: change.start + change.old.length - 1, - ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])}; - updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos); + ch: editEnd(hlText(lst(replaced)), hlText(lst(change.old)))}; + updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, + change.old, pos, pos); } updateInput = true; to.push(out); @@ -732,95 +744,86 @@ function undo() {unredoHelper(history.done, history.undone);} function redo() {unredoHelper(history.undone, history.done);} - function updateLinesNoUndo(from, to, newText, selFrom, selTo) { + function updateLinesNoUndo(from, to, lines, selFrom, selTo) { if (suppressEdits) return; - var recomputeMaxLength = false, maxLineLength = maxLine.length; + var recomputeMaxLength = false, maxLineLength = maxLine.text.length; if (!options.lineWrapping) doc.iter(from.line, to.line + 1, function(line) { if (!line.hidden && line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} }); - if (from.line != to.line || newText.length > 1) gutterDirty = true; + if (from.line != to.line || lines.length > 1) gutterDirty = true; var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); - // First adjust the line structure, taking some care to leave highlighting intact. - if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") { + var lastHL = lst(lines); + + // First adjust the line structure + if (from.ch == 0 && to.ch == 0 && hlText(lastHL) == "") { // This is a whole-line replace. Treated specially to make // sure line objects move the way they are supposed to. var added = [], prevLine = null; - if (from.line) { - prevLine = getLine(from.line - 1); - prevLine.fixMarkEnds(lastLine); - } else lastLine.fixMarkStarts(); - for (var i = 0, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], prevLine)); + for (var i = 0, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); + lastLine.update(lastLine.text, hlSpans(lastHL)); if (nlines) doc.remove(from.line, nlines, callbacks); if (added.length) doc.insert(from.line, added); } else if (firstLine == lastLine) { - if (newText.length == 1) - firstLine.replace(from.ch, to.ch, newText[0]); - else { - lastLine = firstLine.split(to.ch, newText[newText.length-1]); - firstLine.replace(from.ch, null, newText[0]); - firstLine.fixMarkEnds(lastLine); - var added = []; - for (var i = 1, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], firstLine)); - added.push(lastLine); + if (lines.length == 1) { + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + firstLine.text.slice(to.ch), hlSpans(lines[0])); + } else { + for (var added = [], i = 1, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); + added.push(new Line(hlText(lastHL) + firstLine.text.slice(to.ch), hlSpans(lastHL))); + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); doc.insert(from.line + 1, added); } - } else if (newText.length == 1) { - firstLine.replace(from.ch, null, newText[0]); - lastLine.replace(null, to.ch, ""); - firstLine.append(lastLine); + } else if (lines.length == 1) { + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]) + lastLine.text.slice(to.ch), hlSpans(lines[0])); doc.remove(from.line + 1, nlines, callbacks); } else { var added = []; - firstLine.replace(from.ch, null, newText[0]); - lastLine.replace(null, to.ch, newText[newText.length-1]); - firstLine.fixMarkEnds(lastLine); - for (var i = 1, e = newText.length - 1; i < e; ++i) - added.push(Line.inheritMarks(newText[i], firstLine)); + firstLine.update(firstLine.text.slice(0, from.ch) + hlText(lines[0]), hlSpans(lines[0])); + lastLine.update(hlText(lastHL) + lastLine.text.slice(to.ch), hlSpans(lastHL)); + for (var i = 1, e = lines.length - 1; i < e; ++i) + added.push(new Line(hlText(lines[i]), hlSpans(lines[i]))); if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); doc.insert(from.line + 1, added); } if (options.lineWrapping) { var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3); - doc.iter(from.line, from.line + newText.length, function(line) { + doc.iter(from.line, from.line + lines.length, function(line) { if (line.hidden) return; var guess = Math.ceil(line.text.length / perLine) || 1; if (guess != line.height) updateLineHeight(line, guess); }); } else { - doc.iter(from.line, from.line + newText.length, function(line) { + doc.iter(from.line, from.line + lines.length, function(line) { var l = line.text; if (!line.hidden && l.length > maxLineLength) { - maxLine = l; maxLineLength = l.length; maxLineChanged = true; + maxLine = line; maxLineLength = l.length; maxLineChanged = true; recomputeMaxLength = false; } }); if (recomputeMaxLength) updateMaxLine = true; } - // Add these lines to the work array, so that they will be - // highlighted. Adjust work lines if lines were added/removed. - var newWork = [], lendiff = newText.length - nlines - 1; - for (var i = 0, l = work.length; i < l; ++i) { - var task = work[i]; - if (task < from.line) newWork.push(task); - else if (task > to.line) newWork.push(task + lendiff); - } - var hlEnd = from.line + Math.min(newText.length, 500); - highlightLines(from.line, hlEnd); - newWork.push(hlEnd); - work = newWork; - startWorker(100); + // Adjust frontier, schedule worker + frontier = Math.min(frontier, from.line); + startWorker(400); + + var lendiff = lines.length - nlines - 1; // Remember that these lines changed, for updating the display changes.push({from: from.line, to: to.line + 1, diff: lendiff}); - var changeObj = {from: from, to: to, text: newText}; - if (textChanged) { - for (var cur = textChanged; cur.next; cur = cur.next) {} - cur.next = changeObj; - } else textChanged = changeObj; + if (options.onChange) { + // Normalize lines to contain only strings, since that's what + // the change event handler expects + for (var i = 0; i < lines.length; ++i) + if (typeof lines[i] != "string") lines[i] = lines[i].text; + var changeObj = {from: from, to: to, text: lines}; + if (textChanged) { + for (var cur = textChanged; cur.next; cur = cur.next) {} + cur.next = changeObj; + } else textChanged = changeObj; + } // Update the selection function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} @@ -828,42 +831,45 @@ updateLine(sel.from.line), updateLine(sel.to.line)); } - function updateVerticalScroll(scrollTop) { - var th = textHeight(), virtualHeight = Math.floor(doc.height * th + 2 * paddingTop()), scrollbarHeight = scroller.clientHeight; - scrollbar.style.height = scrollbarHeight + "px"; - if (scroller.clientHeight) - scrollbarInner.style.height = virtualHeight + "px"; - // Position the mover div to align with the current virtual scroll position - if (scrollTop != null) scrollbar.scrollTop = scrollTop; - mover.style.top = (displayOffset * th - scrollbar.scrollTop) + "px"; - scrollbar.style.display = (virtualHeight > scrollbarHeight) ? "block" : "none"; + function needsScrollbar() { + var realHeight = doc.height * textHeight() + 2 * paddingTop(); + return realHeight * .99 > scroller.offsetHeight ? realHeight : false; } - - // On Mac OS X Lion and up, detect whether the mouse is plugged in by measuring - // the width of a div with a scrollbar in it. If the width is <= 1, then - // the mouse isn't plugged in and scrollbars should overlap the content. - function overlapScrollbars() { - var tmpSb = document.createElement('div'), - tmpSbInner = document.createElement('div'); - tmpSb.className = "CodeMirror-scrollbar"; - tmpSb.style.cssText = "position: absolute; left: -9999px; height: 100px;"; - tmpSbInner.className = "CodeMirror-scrollbar-inner"; - tmpSbInner.style.height = "200px"; - tmpSb.appendChild(tmpSbInner); - document.body.appendChild(tmpSb); - var result = (tmpSb.offsetWidth <= 1); - document.body.removeChild(tmpSb); - return result; + function updateVerticalScroll(scrollTop) { + var scrollHeight = needsScrollbar(); + scrollbar.style.display = scrollHeight ? "block" : "none"; + if (scrollHeight) { + scrollbarInner.style.height = sizer.style.minHeight = scrollHeight + "px"; + scrollbar.style.height = scroller.clientHeight + "px"; + if (scrollTop != null) { + scrollbar.scrollTop = scroller.scrollTop = scrollTop; + // 'Nudge' the scrollbar to work around a Webkit bug where, + // in some situations, we'd end up with a scrollbar that + // reported its scrollTop (and looked) as expected, but + // *behaved* as if it was still in a previous state (i.e. + // couldn't scroll up, even though it appeared to be at the + // bottom). + if (webkit) setTimeout(function() { + if (scrollbar.scrollTop != scrollTop) return; + scrollbar.scrollTop = scrollTop + (scrollTop ? -1 : 1); + scrollbar.scrollTop = scrollTop; + }, 0); + } + } else { + sizer.style.minHeight = ""; + } + // Position the mover div to align with the current virtual scroll position + mover.style.top = displayOffset * textHeight() + "px"; } function computeMaxLength() { - var maxLineLength = 0; - maxLine = ""; maxLineChanged = true; - doc.iter(0, doc.size, function(line) { + maxLine = getLine(0); maxLineChanged = true; + var maxLineLength = maxLine.text.length; + doc.iter(1, doc.size, function(line) { var l = line.text; if (!line.hidden && l.length > maxLineLength) { - maxLineLength = l.length; maxLine = l; + maxLineLength = l.length; maxLine = line; } }); updateMaxLine = false; @@ -879,7 +885,7 @@ var line = pos.line + code.length - (to.line - from.line) - 1; var ch = pos.ch; if (pos.line == to.line) - ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0)); + ch += lst(code).length - (to.ch - (to.line == from.line ? from.ch : 0)); return {line: line, ch: ch}; } var end; @@ -897,42 +903,37 @@ }); } function replaceRange1(code, from, to, computeSel) { - var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length; + var endch = code.length == 1 ? code[0].length + from.ch : lst(code).length; var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); updateLines(from, to, code, newSel.from, newSel.to); } - function getRange(from, to) { + function getRange(from, to, lineSep) { var l1 = from.line, l2 = to.line; if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); var code = [getLine(l1).text.slice(from.ch)]; doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); code.push(getLine(l2).text.slice(0, to.ch)); - return code.join("\n"); + return code.join(lineSep || "\n"); } - function getSelection() { - return getRange(sel.from, sel.to); + function getSelection(lineSep) { + return getRange(sel.from, sel.to, lineSep); } - var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll function slowPoll() { if (pollingFast) return; poll.set(options.pollInterval, function() { - startOperation(); readInput(); if (focused) slowPoll(); - endOperation(); }); } function fastPoll() { var missed = false; pollingFast = true; function p() { - startOperation(); var changed = readInput(); if (!changed && !missed) {missed = true; poll.set(60, p);} else {pollingFast = false; slowPoll();} - endOperation(); } poll.set(20, p); } @@ -944,9 +945,10 @@ // supported or compatible enough yet to rely on.) var prevInput = ""; function readInput() { - if (leaveInputAlone || !focused || hasSelection(input) || options.readOnly) return false; + if (!focused || hasSelection(input) || options.readOnly) return false; var text = input.value; if (text == prevInput) return false; + if (!nestedOperation) startOperation(); shiftSelecting = null; var same = 0, l = Math.min(prevInput.length, text.length); while (same < l && prevInput[same] == text[same]) ++same; @@ -957,13 +959,14 @@ replaceSelection(text.slice(same), "end"); if (text.length > 1000) { input.value = prevInput = ""; } else prevInput = text; + if (!nestedOperation) endOperation(); return true; } function resetInput(user) { if (!posEq(sel.from, sel.to)) { prevInput = ""; input.value = getSelection(); - selectInput(input); + if (focused) selectInput(input); } else if (user) prevInput = input.value = ""; } @@ -971,17 +974,23 @@ if (options.readOnly != "nocursor") input.focus(); } - function scrollEditorIntoView() { - if (!cursor.getBoundingClientRect) return; - var rect = cursor.getBoundingClientRect(); - // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden - if (ie && rect.top == rect.bottom) return; - var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); - if (rect.top < 0 || rect.bottom > winH) scrollCursorIntoView(); - } function scrollCursorIntoView() { var coords = calculateCursorCoords(); - return scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); + scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); + if (!focused) return; + var box = sizer.getBoundingClientRect(), doScroll = null; + if (coords.y + box.top < 0) doScroll = true; + else if (coords.y + box.top + textHeight() > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; + if (doScroll != null) { + var hidden = cursor.style.display == "none"; + if (hidden) { + cursor.style.display = ""; + cursor.style.left = coords.x + "px"; + cursor.style.top = (coords.y - displayOffset) + "px"; + } + cursor.scrollIntoView(doScroll); + if (hidden) cursor.style.display = "none"; + } } function calculateCursorCoords() { var cursor = localCoords(sel.inverted ? sel.from : sel.to); @@ -989,18 +998,18 @@ return {x: x, y: cursor.y, yBot: cursor.yBot}; } function scrollIntoView(x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(x1, y1, x2, y2), scrolled = false; - if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft; scrolled = true;} - if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scrollPos.scrollTop; scrolled = true;} - if (scrolled && options.onScroll) options.onScroll(instance); + var scrollPos = calculateScrollPos(x1, y1, x2, y2); + if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft;} + if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scroller.scrollTop = scrollPos.scrollTop;} } function calculateScrollPos(x1, y1, x2, y2) { var pl = paddingLeft(), pt = paddingTop(); y1 += pt; y2 += pt; x1 += pl; x2 += pl; var screen = scroller.clientHeight, screentop = scrollbar.scrollTop, result = {}; - var atTop = y1 < paddingTop() + 10; + var docBottom = needsScrollbar() || Infinity; + var atTop = y1 < pt + 10, atBottom = y2 + pt > docBottom - 10; if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1); - else if (y2 > screentop + screen) result.scrollTop = y2 - screen; + else if (y2 > screentop + screen) result.scrollTop = (atBottom ? docBottom : y2) - screen; var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; var gutterw = options.fixedGutter ? gutter.clientWidth : 0; @@ -1070,8 +1079,13 @@ // This is just a bogus formula that detects when the editor is // resized or the font size changes. if (different) lastSizeC = scroller.clientHeight + th; + if (from != showingFrom || to != showingTo && options.onViewportChange) + setTimeout(function(){ + if (options.onViewportChange) options.onViewportChange(instance, from, to); + }); showingFrom = from; showingTo = to; displayOffset = heightAtLine(doc, from); + startWorker(100); // Since this is all rather error prone, it is honoured with the // only assertion in the whole file. @@ -1082,6 +1096,10 @@ function checkHeights() { var curNode = lineDiv.firstChild, heightChanged = false; doc.iter(showingFrom, showingTo, function(line) { + // Work around bizarro IE7 bug where, sometimes, our curNode + // is magically replaced with a new node in the DOM, leaving + // us with a reference to an orphan (nextSibling-less) node. + if (!curNode) return; if (!line.hidden) { var height = Math.round(curNode.offsetHeight / th) || 1; if (line.height != height) { @@ -1094,23 +1112,15 @@ return heightChanged; } - if (options.lineWrapping) { - // Guess whether we're going to need the scrollbar, so that we don't end up changing the linewrapping - // after the scrollbar appears (during updateVerticalScroll()). Only do this if the scrollbar is - // appearing (if it's disappearing, we don't have to worry about the scroll position, and there are - // issues on IE7 if we turn it off too early). - var virtualHeight = Math.floor(doc.height * th + 2 * paddingTop()), scrollbarHeight = scroller.clientHeight; - if (virtualHeight > scrollbarHeight) scrollbar.style.display = "block"; - checkHeights(); - } + if (options.lineWrapping) checkHeights(); gutter.style.display = gutterDisplay; if (different || gutterDirty) { // If the gutter grew in size, re-check heights. If those changed, re-draw gutter. updateGutter() && options.lineWrapping && checkHeights() && updateGutter(); } + updateVerticalScroll(scrollTop); updateSelection(); - updateVerticalScroll(scrollTop); if (!suppressCallback && options.onUpdate) options.onUpdate(instance); return true; } @@ -1139,14 +1149,14 @@ } function patchDisplay(from, to, intact) { + function killNode(node) { + var tmp = node.nextSibling; + node.parentNode.removeChild(node); + return tmp; + } // The first pass removes the DOM nodes that aren't intact. - if (!intact.length) lineDiv.innerHTML = ""; + if (!intact.length) removeChildren(lineDiv); else { - function killNode(node) { - var tmp = node.nextSibling; - node.parentNode.removeChild(node); - return tmp; - } var domPos = 0, curNode = lineDiv.firstChild, n; for (var i = 0; i < intact.length; ++i) { var cur = intact[i]; @@ -1157,21 +1167,20 @@ } // This pass fills in the lines that actually changed. var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; - var scratch = document.createElement("div"); doc.iter(from, to, function(line) { if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); if (!nextIntact || nextIntact.from > j) { - if (line.hidden) var html = scratch.innerHTML = "<pre></pre>"; + if (line.hidden) var lineElement = elt("pre"); else { - var html = '<pre' + (line.className ? ' class="' + line.className + '"' : '') + '>' - + line.getHTML(makeTab) + '</pre>'; + var lineElement = lineContent(line); + if (line.className) lineElement.className = line.className; // Kludge to make sure the styled element lies behind the selection (by z-index) - if (line.bgClassName) - html = '<div style="position: relative"><pre class="' + line.bgClassName + - '" style="position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"> </pre>' + html + "</div>"; + if (line.bgClassName) { + var pre = elt("pre", "\u00a0", line.bgClassName, "position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"); + lineElement = elt("div", [pre, lineElement], null, "position: relative"); + } } - scratch.innerHTML = html; - lineDiv.insertBefore(scratch.firstChild, curNode); + lineDiv.insertBefore(lineElement, curNode); } else { curNode = curNode.nextSibling; } @@ -1183,26 +1192,29 @@ if (!options.gutter && !options.lineNumbers) return; var hText = mover.offsetHeight, hEditor = scroller.clientHeight; gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; - var html = [], i = showingFrom, normalNode; + var fragment = document.createDocumentFragment(), i = showingFrom, normalNode; doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { if (line.hidden) { - html.push("<pre></pre>"); + fragment.appendChild(elt("pre")); } else { var marker = line.gutterMarker; - var text = options.lineNumbers ? i + options.firstLineNumber : null; + var text = options.lineNumbers ? options.lineNumberFormatter(i + options.firstLineNumber) : null; if (marker && marker.text) text = marker.text.replace("%N%", text != null ? text : ""); else if (text == null) text = "\u00a0"; - html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text); - for (var j = 1; j < line.height; ++j) html.push("<br/> "); - html.push("</pre>"); + var markerElement = fragment.appendChild(elt("pre", null, marker && marker.style)); + markerElement.innerHTML = text; + for (var j = 1; j < line.height; ++j) { + markerElement.appendChild(elt("br")); + markerElement.appendChild(document.createTextNode("\u00a0")); + } if (!marker) normalNode = i; } ++i; }); gutter.style.display = "none"; - gutterText.innerHTML = html.join(""); + removeChildrenAndAdd(gutterText, fragment); // Make sure scrolling doesn't cause number gutter size to pop if (normalNode != null && options.lineNumbers) { var node = gutterText.childNodes[normalNode - showingFrom]; @@ -1230,15 +1242,15 @@ cursor.style.display = ""; selectionDiv.style.display = "none"; } else { - var sameLine = fromPos.y == toPos.y, html = ""; + var sameLine = fromPos.y == toPos.y, fragment = document.createDocumentFragment(); var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth; var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight; - function add(left, top, right, height) { + var add = function(left, top, right, height) { var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px" : "right: " + right + "px"; - html += '<div class="CodeMirror-selected" style="position: absolute; left: ' + left + - 'px; top: ' + top + 'px; ' + rstyle + '; height: ' + height + 'px"></div>'; - } + fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + + "px; top: " + top + "px; " + rstyle + "; height: " + height + "px")); + }; if (sel.from.ch && fromPos.y >= 0) { var right = sameLine ? clientWidth - toPos.x : 0; add(fromPos.x, fromPos.y, right, th); @@ -1249,7 +1261,7 @@ add(0, middleStart, 0, middleHeight); if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th) add(0, toPos.y, clientWidth - toPos.x, th); - selectionDiv.innerHTML = html; + removeChildrenAndAdd(selectionDiv, fragment); cursor.style.display = "none"; selectionDiv.style.display = ""; } @@ -1381,24 +1393,34 @@ else replaceRange("", sel.from, findPosH(dir, unit)); userSelChange = true; } - var goalColumn = null; function moveV(dir, unit) { var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); if (goalColumn != null) pos.x = goalColumn; - if (unit == "page") dist = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); - else if (unit == "line") dist = textHeight(); - var target = coordsChar(pos.x, pos.y + dist * dir + 2); + if (unit == "page") { + var screen = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); + var target = coordsChar(pos.x, pos.y + screen * dir); + } else if (unit == "line") { + var th = textHeight(); + var target = coordsChar(pos.x, pos.y + .5 * th + dir * th); + } if (unit == "page") scrollbar.scrollTop += localCoords(target, true).y - pos.y; setCursor(target.line, target.ch, true); goalColumn = pos.x; } - function selectWordAt(pos) { + function findWordAt(pos) { var line = getLine(pos.line).text; var start = pos.ch, end = pos.ch; - while (start > 0 && isWordChar(line.charAt(start - 1))) --start; - while (end < line.length && isWordChar(line.charAt(end))) ++end; - setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end}); + if (line) { + if (pos.after === false || end == line.length) --start; else ++end; + var startChar = line.charAt(start); + var check = isWordChar(startChar) ? isWordChar : + /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} : + function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; + while (start > 0 && check(line.charAt(start - 1))) --start; + while (end < line.length && check(line.charAt(end))) ++end; + } + return {from: {line: pos.line, ch: start}, to: {line: pos.line, ch: end}}; } function selectLine(line) { setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0})); @@ -1431,24 +1453,20 @@ indentation = Math.max(0, indentation); var diff = indentation - curSpace; - if (!diff) { - if (sel.from.line != n && sel.to.line != n) return; - var indentString = curSpaceString; - } else { - var indentString = "", pos = 0; - if (options.indentWithTabs) - for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} - while (pos < indentation) {++pos; indentString += " ";} - } + var indentString = "", pos = 0; + if (options.indentWithTabs) + for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} + if (pos < indentation) indentString += spaceStr(indentation - pos); - replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); + if (indentString != curSpaceString) + replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); } function loadMode() { mode = CodeMirror.getMode(options, options.mode); doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); - work = [0]; - startWorker(); + frontier = 0; + startWorker(100); } function gutterChanged() { var visible = options.gutter || options.lineNumbers; @@ -1465,24 +1483,16 @@ var guess = Math.ceil(line.text.length / perLine) || 1; if (guess != 1) updateLineHeight(line, guess); }); - lineSpace.style.width = code.style.width = ""; - widthForcer.style.left = ""; + lineSpace.style.minWidth = widthForcer.style.left = ""; } else { wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); - maxLine = ""; maxLineChanged = true; + computeMaxLength(); doc.iter(0, doc.size, function(line) { if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); - if (line.text.length > maxLine.length) maxLine = line.text; }); } changes.push({from: 0, to: doc.size}); } - function makeTab(col) { - var w = options.tabSize - col % options.tabSize, cached = tabCache[w]; - if (cached) return cached; - for (var str = '<span class="cm-tab">', i = 0; i < w; ++i) str += " "; - return (tabCache[w] = {html: str + "</span>", width: w}); - } function themeChanged() { scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") + options.theme.replace(/(^|\s)\s*/g, " cm-s-"); @@ -1493,74 +1503,71 @@ (style ? " cm-keymap-" + style : ""); } - function TextMarker() { this.set = []; } + function TextMarker(type, style) { this.lines = []; this.type = type; if (style) this.style = style; } TextMarker.prototype.clear = operation(function() { var min = Infinity, max = -Infinity; - for (var i = 0, e = this.set.length; i < e; ++i) { - var line = this.set[i], mk = line.marked; - if (!mk || !line.parent) continue; - var lineN = lineNo(line); - min = Math.min(min, lineN); max = Math.max(max, lineN); - for (var j = 0; j < mk.length; ++j) - if (mk[j].marker == this) mk.splice(j--, 1); + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this, true); + if (span.from != null || span.to != null) { + var lineN = lineNo(line); + min = Math.min(min, lineN); max = Math.max(max, lineN); + } } if (min != Infinity) changes.push({from: min, to: max + 1}); + this.lines.length = 0; }); TextMarker.prototype.find = function() { var from, to; - for (var i = 0, e = this.set.length; i < e; ++i) { - var line = this.set[i], mk = line.marked; - for (var j = 0; j < mk.length; ++j) { - var mark = mk[j]; - if (mark.marker == this) { - if (mark.from != null || mark.to != null) { - var found = lineNo(line); - if (found != null) { - if (mark.from != null) from = {line: found, ch: mark.from}; - if (mark.to != null) to = {line: found, ch: mark.to}; - } - } - } + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null || span.to != null) { + var found = lineNo(line); + if (span.from != null) from = {line: found, ch: span.from}; + if (span.to != null) to = {line: found, ch: span.to}; } } - return {from: from, to: to}; + if (this.type == "bookmark") return from; + return from && {from: from, to: to}; }; - function markText(from, to, className) { + function markText(from, to, className, options) { from = clipPos(from); to = clipPos(to); - var tm = new TextMarker(); - if (!posLess(from, to)) return tm; - function add(line, from, to, className) { - getLine(line).addMark(new MarkedText(from, to, className, tm)); - } - if (from.line == to.line) add(from.line, from.ch, to.ch, className); - else { - add(from.line, from.ch, null, className); - for (var i = from.line + 1, e = to.line; i < e; ++i) - add(i, null, null, className); - add(to.line, null, to.ch, className); - } + var marker = new TextMarker("range", className); + if (options) for (var opt in options) if (options.hasOwnProperty(opt)) + marker[opt] = options[opt]; + var curLine = from.line; + doc.iter(curLine, to.line + 1, function(line) { + var span = {from: curLine == from.line ? from.ch : null, + to: curLine == to.line ? to.ch : null, + marker: marker}; + (line.markedSpans || (line.markedSpans = [])).push(span); + marker.lines.push(line); + ++curLine; + }); changes.push({from: from.line, to: to.line + 1}); - return tm; + return marker; } function setBookmark(pos) { pos = clipPos(pos); - var bm = new Bookmark(pos.ch); - getLine(pos.line).addMark(bm); - return bm; + var marker = new TextMarker("bookmark"), line = getLine(pos.line); + var span = {from: pos.ch, to: pos.ch, marker: marker}; + (line.markedSpans || (line.markedSpans = [])).push(span); + marker.lines.push(line); + return marker; } function findMarksAt(pos) { pos = clipPos(pos); - var markers = [], marked = getLine(pos.line).marked; - if (!marked) return markers; - for (var i = 0, e = marked.length; i < e; ++i) { - var m = marked[i]; - if ((m.from == null || m.from <= pos.ch) && - (m.to == null || m.to >= pos.ch)) - markers.push(m.marker || m); + var markers = [], spans = getLine(pos.line).markedSpans; + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + markers.push(span.marker); } return markers; } @@ -1600,11 +1607,10 @@ if (line.hidden != hidden) { line.hidden = hidden; if (!options.lineWrapping) { - var l = line.text; - if (hidden && l.length == maxLine.length) { + if (hidden && line.text.length == maxLine.text.length) { updateMaxLine = true; - } else if (!hidden && l.length > maxLine.length) { - maxLine = l; maxWidth = null; updateMaxLine = false; + } else if (!hidden && line.text.length > maxLine.text.length) { + maxLine = line; updateMaxLine = false; } } updateLineHeight(line, hidden ? 0 : 1); @@ -1636,53 +1642,18 @@ markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName}; } - function stringWidth(str) { - measure.innerHTML = "<pre><span>x</span></pre>"; - measure.firstChild.firstChild.firstChild.nodeValue = str; - return measure.firstChild.firstChild.offsetWidth || 10; - } - // These are used to go from pixel positions to character - // positions, taking varying character widths into account. - function charFromX(line, x) { - if (x <= 0) return 0; - var lineObj = getLine(line), text = lineObj.text; - function getX(len) { - return measureLine(lineObj, len).left; - } - var from = 0, fromX = 0, to = text.length, toX; - // Guess a suitable upper bound for our search. - var estimated = Math.min(to, Math.ceil(x / charWidth())); - for (;;) { - var estX = getX(estimated); - if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); - else {toX = estX; to = estimated; break;} - } - if (x > toX) return to; - // Try to guess a suitable lower bound as well. - estimated = Math.floor(to * 0.8); estX = getX(estimated); - if (estX < x) {from = estimated; fromX = estX;} - // Do a binary search between these bounds. - for (;;) { - if (to - from <= 1) return (toX - x > x - fromX) ? from : to; - var middle = Math.ceil((from + to) / 2), middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX;} - else {from = middle; fromX = middleX;} - } - } - - var tempId = "CodeMirror-temp-" + Math.floor(Math.random() * 0xffffff).toString(16); function measureLine(line, ch) { if (ch == 0) return {top: 0, left: 0}; var wbr = options.lineWrapping && ch < line.text.length && spanAffectsWrapping.test(line.text.slice(ch - 1, ch + 1)); - measure.innerHTML = "<pre>" + line.getHTML(makeTab, ch, tempId, wbr) + "</pre>"; - var elt = document.getElementById(tempId); - var top = elt.offsetTop, left = elt.offsetLeft; + var pre = lineContent(line, ch); + removeChildrenAndAdd(measure, pre); + var anchor = pre.anchor; + var top = anchor.offsetTop, left = anchor.offsetLeft; // Older IEs report zero offsets for spans directly after a wrap if (ie && top == 0 && left == 0) { - var backup = document.createElement("span"); - backup.innerHTML = "x"; - elt.parentNode.insertBefore(backup, elt.nextSibling); + var backup = elt("span", "x"); + anchor.parentNode.insertBefore(backup, anchor.nextSibling); top = backup.offsetTop; } return {top: top, left: left}; @@ -1699,17 +1670,19 @@ } // Coords must be lineSpace-local function coordsChar(x, y) { - if (y < 0) y = 0; var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); + if (heightPos < 0) return {line: 0, ch: 0}; var lineNo = lineAtHeight(doc, heightPos); if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; var lineObj = getLine(lineNo), text = lineObj.text; var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; + var wrongLine = false; function getX(len) { var sp = measureLine(lineObj, len); if (tw) { var off = Math.round(sp.top / th); + wrongLine = off != innerOff; return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); } return sp.left; @@ -1728,9 +1701,12 @@ if (estX < x) {from = estimated; fromX = estX;} // Do a binary search between these bounds. for (;;) { - if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to}; + if (to - from <= 1) { + var after = x - fromX < toX - x; + return {line: lineNo, ch: after ? from : to, after: after}; + } var middle = Math.ceil((from + to) / 2), middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX;} + if (middleX > x) {to = middle; toX = middleX; if (wrongLine) toX += 1000; } else {from = middle; fromX = middleX;} } } @@ -1739,26 +1715,32 @@ return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; } - var cachedHeight, cachedHeightFor, measureText; + var cachedHeight, cachedHeightFor, measurePre; function textHeight() { - if (measureText == null) { - measureText = "<pre>"; - for (var i = 0; i < 49; ++i) measureText += "x<br/>"; - measureText += "x</pre>"; + if (measurePre == null) { + measurePre = elt("pre"); + for (var i = 0; i < 49; ++i) { + measurePre.appendChild(document.createTextNode("x")); + measurePre.appendChild(elt("br")); + } + measurePre.appendChild(document.createTextNode("x")); } var offsetHeight = lineDiv.clientHeight; if (offsetHeight == cachedHeightFor) return cachedHeight; cachedHeightFor = offsetHeight; - measure.innerHTML = measureText; + removeChildrenAndAdd(measure, measurePre.cloneNode(true)); cachedHeight = measure.firstChild.offsetHeight / 50 || 1; - measure.innerHTML = ""; + removeChildren(measure); return cachedHeight; } var cachedWidth, cachedWidthFor = 0; function charWidth() { if (scroller.clientWidth == cachedWidthFor) return cachedWidth; cachedWidthFor = scroller.clientWidth; - return (cachedWidth = stringWidth("x")); + var anchor = elt("span", "x"); + var pre = elt("pre", [anchor]); + removeChildrenAndAdd(measure, pre); + return (cachedWidth = anchor.offsetWidth || 10); } function paddingTop() {return lineSpace.offsetTop;} function paddingLeft() {return lineSpace.offsetLeft;} @@ -1775,6 +1757,7 @@ var offL = eltOffset(lineSpace, true); return coordsChar(x - offL.left, y - offL.top); } + var detectingSelectAll; function onContextMenu(e) { var pos = posFromMouse(e), scrollPos = scrollbar.scrollTop; if (!pos || opera) return; // Opera is difficult. @@ -1786,19 +1769,30 @@ input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - leaveInputAlone = true; - var val = input.value = getSelection(); focusInput(); - selectInput(input); + resetInput(true); + // Adds "Select all" to context menu in FF + if (posEq(sel.from, sel.to)) input.value = prevInput = " "; + function rehide() { - var newVal = splitLines(input.value).join("\n"); - if (newVal != val && !options.readOnly) operation(replaceSelection)(newVal, "end"); inputDiv.style.position = "relative"; input.style.cssText = oldCSS; if (ie_lt9) scrollbar.scrollTop = scrollPos; - leaveInputAlone = false; - resetInput(true); slowPoll(); + + // Try to detect the user choosing select-all + if (input.selectionStart != null) { + clearTimeout(detectingSelectAll); + var extval = input.value = " " + (posEq(sel.from, sel.to) ? "" : input.value), i = 0; + prevInput = " "; + input.selectionStart = 1; input.selectionEnd = extval.length; + detectingSelectAll = setTimeout(function poll(){ + if (prevInput == " " && input.selectionStart == 0) + operation(commands.selectAll)(instance); + else if (i++ < 10) detectingSelectAll = setTimeout(poll, 500); + else resetInput(); + }, 200); + } } if (gecko) { @@ -1819,7 +1813,7 @@ cursor.style.visibility = ""; blinker = setInterval(function() { cursor.style.visibility = (on = !on) ? "" : "hidden"; - }, 650); + }, options.cursorBlinkRate); } var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; @@ -1882,70 +1876,39 @@ return minline; } function getStateBefore(n) { - var start = findStartLine(n), state = start && getLine(start-1).stateAfter; + var pos = findStartLine(n), state = pos && getLine(pos-1).stateAfter; if (!state) state = startState(mode); else state = copyState(mode, state); - doc.iter(start, n, function(line) { - line.highlight(mode, state, options.tabSize); - line.stateAfter = copyState(mode, state); + doc.iter(pos, n, function(line) { + line.process(mode, state, options.tabSize); + line.stateAfter = (pos == n - 1 || pos % 5 == 0) ? copyState(mode, state) : null; }); - if (start < n) changes.push({from: start, to: n}); - if (n < doc.size && !getLine(n).stateAfter) work.push(n); return state; } - function highlightLines(start, end) { - var state = getStateBefore(start); - doc.iter(start, end, function(line) { - line.highlight(mode, state, options.tabSize); - line.stateAfter = copyState(mode, state); - }); - } function highlightWorker() { - var end = +new Date + options.workTime; - var foundWork = work.length; - while (work.length) { - if (!getLine(showingFrom).stateAfter) var task = showingFrom; - else var task = work.pop(); - if (task >= doc.size) continue; - var start = findStartLine(task), state = start && getLine(start-1).stateAfter; - if (state) state = copyState(mode, state); - else state = startState(mode); - - var unchanged = 0, compare = mode.compareStates, realChange = false, - i = start, bail = false; - doc.iter(i, doc.size, function(line) { - var hadState = line.stateAfter; - if (+new Date > end) { - work.push(i); - startWorker(options.workDelay); - if (realChange) changes.push({from: task, to: i + 1}); - return (bail = true); - } - var changed = line.highlight(mode, state, options.tabSize); - if (changed) realChange = true; + if (frontier >= showingTo) return; + var end = +new Date + options.workTime, state = copyState(mode, getStateBefore(frontier)); + var startFrontier = frontier; + doc.iter(frontier, showingTo, function(line) { + if (frontier >= showingFrom) { // Visible + line.highlight(mode, state, options.tabSize); line.stateAfter = copyState(mode, state); - var done = null; - if (compare) { - var same = hadState && compare(hadState, state); - if (same != Pass) done = !!same; - } - if (done == null) { - if (changed !== false || !hadState) unchanged = 0; - else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, ""))) - done = true; - } - if (done) return true; - ++i; - }); - if (bail) return; - if (realChange) changes.push({from: task, to: i + 1}); - } - if (foundWork && options.onHighlightComplete) - options.onHighlightComplete(instance); + } else { + line.process(mode, state, options.tabSize); + line.stateAfter = frontier % 5 == 0 ? copyState(mode, state) : null; + } + ++frontier; + if (+new Date > end) { + startWorker(options.workDelay); + return true; + } + }); + if (showingTo > startFrontier && frontier >= showingFrom) + operation(function() {changes.push({from: startFrontier, to: frontier});})(); } function startWorker(time) { - if (!work.length) return; - highlight.set(time, operation(highlightWorker)); + if (frontier < showingTo) + highlight.set(time, highlightWorker); } // Operations are used to wrap changes in such a way that each @@ -1959,7 +1922,11 @@ function endOperation() { if (updateMaxLine) computeMaxLength(); if (maxLineChanged && !options.lineWrapping) { - widthForcer.style.left = stringWidth(maxLine) + "px"; + var cursorWidth = widthForcer.offsetWidth, left = measureLine(maxLine, maxLine.text.length).left; + if (!ie_lt8) { + widthForcer.style.left = left + "px"; + lineSpace.style.minWidth = (left + cursorWidth) + "px"; + } maxLineChanged = false; } var newScrollPos, updated; @@ -1967,16 +1934,16 @@ var coords = calculateCursorCoords(); newScrollPos = calculateScrollPos(coords.x, coords.y, coords.x, coords.yBot); } - if (changes.length) updated = updateDisplay(changes, true, (newScrollPos ? newScrollPos.scrollTop : null)); - else { + if (changes.length || newScrollPos && newScrollPos.scrollTop != null) + updated = updateDisplay(changes, true, newScrollPos && newScrollPos.scrollTop); + if (!updated) { if (selectionChanged) updateSelection(); if (gutterDirty) updateGutter(); } if (newScrollPos) scrollCursorIntoView(); - if (selectionChanged) {scrollEditorIntoView(); restartBlink();} + if (selectionChanged) restartBlink(); - if (focused && !leaveInputAlone && - (updateInput === true || (updateInput !== false && selectionChanged))) + if (focused && (updateInput === true || (updateInput !== false && selectionChanged))) resetInput(userSelChange); if (selectionChanged && options.matchBrackets) @@ -2038,17 +2005,19 @@ dragDrop: true, onChange: null, onCursorActivity: null, + onViewportChange: null, onGutterClick: null, - onHighlightComplete: null, onUpdate: null, onFocus: null, onBlur: null, onScroll: null, matchBrackets: false, + cursorBlinkRate: 530, workTime: 100, workDelay: 200, pollInterval: 100, undoDepth: 40, tabindex: null, - autofocus: null + autofocus: null, + lineNumberFormatter: function(integer) { return integer; } }; var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); @@ -2080,7 +2049,13 @@ var spec = CodeMirror.resolveMode(spec); var mfactory = modes[spec.name]; if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - return mfactory(options, spec); + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) if (exts.hasOwnProperty(prop)) modeObj[prop] = exts[prop]; + } + modeObj.name = spec.name; + return modeObj; }; CodeMirror.listModes = function() { var list = []; @@ -2100,6 +2075,13 @@ extensions[name] = func; }; + var modeExtensions = CodeMirror.modeExtensions = {}; + CodeMirror.extendMode = function(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + for (var prop in properties) if (properties.hasOwnProperty(prop)) + exts[prop] = properties[prop]; + }; + var commands = CodeMirror.commands = { selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, killLine: function(cm) { @@ -2197,6 +2179,10 @@ function lookup(map) { map = getKeyMap(map); var found = map[name]; + if (found === false) { + if (stop) stop(); + return true; + } if (found != null && handle(found)) return true; if (map.nofallthrough) { if (stop) stop(); @@ -2224,8 +2210,15 @@ options.value = textarea.value; if (!options.tabindex && textarea.tabindex) options.tabindex = textarea.tabindex; - if (options.autofocus == null && textarea.getAttribute("autofocus") != null) - options.autofocus = true; + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = document.body; + // doc.activeElement occasionally throws on IE + try { hasFocus = document.activeElement; } catch(e) {} + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } function save() {textarea.value = instance.getValue();} if (textarea.form) { @@ -2233,13 +2226,12 @@ var rmSubmit = connect(textarea.form, "submit", save, true); if (typeof textarea.form.submit == "function") { var realSubmit = textarea.form.submit; - function wrappedSubmit() { + textarea.form.submit = function wrappedSubmit() { save(); textarea.form.submit = realSubmit; textarea.form.submit(); textarea.form.submit = wrappedSubmit; - } - textarea.form.submit = wrappedSubmit; + }; } } @@ -2262,6 +2254,18 @@ return instance; }; + var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); + var ie = /MSIE \d/.test(navigator.userAgent); + var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); + var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); + var quirksMode = ie && document.documentMode == 5; + var webkit = /WebKit\//.test(navigator.userAgent); + var chrome = /Chrome\//.test(navigator.userAgent); + var opera = /Opera\//.test(navigator.userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var khtml = /KHTML\//.test(navigator.userAgent); + var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); + // Utility functions for working with state. Exported because modes // sometimes need to do this. function copyState(mode, state) { @@ -2280,6 +2284,14 @@ return mode.startState ? mode.startState(a1, a2) : true; } CodeMirror.startState = startState; + CodeMirror.innerMode = function(mode, state) { + while (mode.innerMode) { + var info = mode.innerMode(state); + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state}; + }; // The character stream used by a mode's parser. function StringStream(string, tabSize) { @@ -2290,7 +2302,7 @@ StringStream.prototype = { eol: function() {return this.pos >= this.string.length;}, sol: function() {return this.pos == 0;}, - peek: function() {return this.string.charAt(this.pos);}, + peek: function() {return this.string.charAt(this.pos) || undefined;}, next: function() { if (this.pos < this.string.length) return this.string.charAt(this.pos++); @@ -2321,13 +2333,14 @@ indentation: function() {return countColumn(this.string, null, this.tabSize);}, match: function(pattern, consume, caseInsensitive) { if (typeof pattern == "string") { - function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} + var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { if (consume !== false) this.pos += pattern.length; return true; } } else { var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) return null; if (match && consume !== false) this.pos += match[0].length; return match; } @@ -2336,201 +2349,162 @@ }; CodeMirror.StringStream = StringStream; - function MarkedText(from, to, className, marker) { - this.from = from; this.to = to; this.style = className; this.marker = marker; + function MarkedSpan(from, to, marker) { + this.from = from; this.to = to; this.marker = marker; } - MarkedText.prototype = { - attach: function(line) { this.marker.set.push(line); }, - detach: function(line) { - var ix = indexOf(this.marker.set, line); - if (ix > -1) this.marker.set.splice(ix, 1); - }, - split: function(pos, lenBefore) { - if (this.to <= pos && this.to != null) return null; - var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore; - var to = this.to == null ? null : this.to - pos + lenBefore; - return new MarkedText(from, to, this.style, this.marker); - }, - dup: function() { return new MarkedText(null, null, this.style, this.marker); }, - clipTo: function(fromOpen, from, toOpen, to, diff) { - if (fromOpen && to > this.from && (to < this.to || this.to == null)) - this.from = null; - else if (this.from != null && this.from >= from) - this.from = Math.max(to, this.from) + diff; - if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null)) - this.to = null; - else if (this.to != null && this.to > from) - this.to = to < this.to ? this.to + diff : from; - }, - isDead: function() { return this.from != null && this.to != null && this.from >= this.to; }, - sameSet: function(x) { return this.marker == x.marker; } - }; - function Bookmark(pos) { - this.from = pos; this.to = pos; this.line = null; - } - Bookmark.prototype = { - attach: function(line) { this.line = line; }, - detach: function(line) { if (this.line == line) this.line = null; }, - split: function(pos, lenBefore) { - if (pos < this.from) { - this.from = this.to = (this.from - pos) + lenBefore; - return this; + function getMarkedSpanFor(spans, marker, del) { + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) { + if (del) spans.splice(i, 1); + return span; } - }, - isDead: function() { return this.from > this.to; }, - clipTo: function(fromOpen, from, toOpen, to, diff) { - if ((fromOpen || from < this.from) && (toOpen || to > this.to)) { - this.from = 0; this.to = -1; - } else if (this.from > from) { - this.from = this.to = Math.max(to, this.from) + diff; - } - }, - sameSet: function(x) { return false; }, - find: function() { - if (!this.line || !this.line.parent) return null; - return {line: lineNo(this.line), ch: this.from}; - }, - clear: function() { - if (this.line) { - var found = indexOf(this.line.marked, this); - if (found != -1) this.line.marked.splice(found, 1); - this.line = null; + } + } + + function markedSpansBefore(old, startCh, endCh) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || marker.type == "bookmark" && span.from == startCh && span.from != endCh) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); + (nw || (nw = [])).push({from: span.from, + to: endsAfter ? null : span.to, + marker: marker}); } } - }; + return nw; + } + + function markedSpansAfter(old, endCh) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || marker.type == "bookmark" && span.from == endCh) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); + (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh, + to: span.to == null ? null : span.to - endCh, + marker: marker}); + } + } + return nw; + } - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - function Line(text, styles) { - this.styles = styles || [text, null]; - this.text = text; - this.height = 1; - this.marked = this.gutterMarker = this.className = this.bgClassName = this.handlers = null; - this.stateAfter = this.parent = this.hidden = null; - } - Line.inheritMarks = function(text, orig) { - var ln = new Line(text), mk = orig && orig.marked; - if (mk) { - for (var i = 0; i < mk.length; ++i) { - if (mk[i].to == null && mk[i].style) { - var newmk = ln.marked || (ln.marked = []), mark = mk[i]; - var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln); + function updateMarkedSpans(oldFirst, oldLast, startCh, endCh, newText) { + if (!oldFirst && !oldLast) return newText; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh); + var last = markedSpansAfter(oldLast, endCh); + + // Next, merge those two ends + var sameLine = newText.length == 1, offset = lst(newText).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) span.to = startCh; + else if (sameLine) span.to = found.to == null ? null : found.to + offset; } } } - return ln; - } - Line.prototype = { - // Replace a piece of a line, keeping the styles around it intact. - replace: function(from, to_, text) { - var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_; - copyStyles(0, from, this.styles, st); - if (text) st.push(text, null); - copyStyles(to, this.text.length, this.styles, st); - this.styles = st; - this.text = this.text.slice(0, from) + text + this.text.slice(to); - this.stateAfter = null; - if (mk) { - var diff = text.length - (to - from); - for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - mark.clipTo(from == null, from || 0, to_ == null, to, diff); - if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);} - } - } - }, - // Split a part off a line, keeping styles and markers intact. - split: function(pos, textBefore) { - var st = [textBefore, null], mk = this.marked; - copyStyles(pos, this.text.length, this.styles, st); - var taken = new Line(textBefore + this.text.slice(pos), st); - if (mk) { - for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - var newmark = mark.split(pos, textBefore.length); - if (newmark) { - if (!taken.marked) taken.marked = []; - taken.marked.push(newmark); newmark.attach(taken); - if (newmark == mark) mk.splice(i--, 1); + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i = 0; i < last.length; ++i) { + var span = last[i]; + if (span.to != null) span.to += offset; + if (span.from == null) { + var found = getMarkedSpanFor(first, span.marker); + if (!found) { + span.from = offset; + if (sameLine) (first || (first = [])).push(span); } + } else { + span.from += offset; + if (sameLine) (first || (first = [])).push(span); } } - return taken; - }, - append: function(line) { - var mylen = this.text.length, mk = line.marked, mymk = this.marked; - this.text += line.text; - copyStyles(0, line.text.length, line.styles, this.styles); - if (mymk) { - for (var i = 0; i < mymk.length; ++i) - if (mymk[i].to == null) mymk[i].to = mylen; - } - if (mk && mk.length) { - if (!mymk) this.marked = mymk = []; - outer: for (var i = 0; i < mk.length; ++i) { - var mark = mk[i]; - if (!mark.from) { - for (var j = 0; j < mymk.length; ++j) { - var mymark = mymk[j]; - if (mymark.to == mylen && mymark.sameSet(mark)) { - mymark.to = mark.to == null ? null : mark.to + mylen; - if (mymark.isDead()) { - mymark.detach(this); - mk.splice(i--, 1); - } - continue outer; - } - } - } - mymk.push(mark); - mark.attach(this); - mark.from += mylen; - if (mark.to != null) mark.to += mylen; - } - } - }, - fixMarkEnds: function(other) { - var mk = this.marked, omk = other.marked; - if (!mk) return; - for (var i = 0; i < mk.length; ++i) { - var mark = mk[i], close = mark.to == null; - if (close && omk) { - for (var j = 0; j < omk.length; ++j) - if (omk[j].sameSet(mark)) {close = false; break;} - } - if (close) mark.to = this.text.length; - } - }, - fixMarkStarts: function() { - var mk = this.marked; - if (!mk) return; - for (var i = 0; i < mk.length; ++i) - if (mk[i].from == null) mk[i].from = 0; - }, - addMark: function(mark) { - mark.attach(this); - if (this.marked == null) this.marked = []; - this.marked.push(mark); - this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);}); + } + + var newMarkers = [newHL(newText[0], first)]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = newText.length - 2, gapMarkers; + if (gap > 0 && first) + for (var i = 0; i < first.length; ++i) + if (first[i].to == null) + (gapMarkers || (gapMarkers = [])).push({from: null, to: null, marker: first[i].marker}); + for (var i = 0; i < gap; ++i) + newMarkers.push(newHL(newText[i+1], gapMarkers)); + newMarkers.push(newHL(lst(newText), last)); + } + return newMarkers; + } + + // hl stands for history-line, a data structure that can be either a + // string (line without markers) or a {text, markedSpans} object. + function hlText(val) { return typeof val == "string" ? val : val.text; } + function hlSpans(val) { return typeof val == "string" ? null : val.markedSpans; } + function newHL(text, spans) { return spans ? {text: text, markedSpans: spans} : text; } + + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) return; + for (var i = 0; i < spans.length; ++i) { + var lines = spans[i].marker.lines; + var ix = indexOf(lines, line); + lines.splice(ix, 1); + } + line.markedSpans = null; + } + + function attachMarkedSpans(line, spans) { + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + var marker = spans[i].marker.lines.push(line); + line.markedSpans = spans; + } + + // When measuring the position of the end of a line, different + // browsers require different approaches. If an empty span is added, + // many browsers report bogus offsets. Of those, some (Webkit, + // recent IE) will accept a space without moving the whole span to + // the next line when wrapping it, others work with a zero-width + // space. + var eolSpanContent = " "; + if (gecko || (ie && !ie_lt8)) eolSpanContent = "\u200b"; + else if (opera) eolSpanContent = ""; + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + function Line(text, markedSpans) { + this.text = text; + this.height = 1; + attachMarkedSpans(this, markedSpans); + } + Line.prototype = { + update: function(text, markedSpans) { + this.text = text; + this.stateAfter = this.styles = null; + detachMarkedSpans(this); + attachMarkedSpans(this, markedSpans); }, // Run the given mode's parser over a line, update the styles // array, which contains alternating fragments of text and CSS // classes. highlight: function(mode, state, tabSize) { - var stream = new StringStream(this.text, tabSize), st = this.styles, pos = 0; - var changed = false, curWord = st[0], prevWord; + var stream = new StringStream(this.text, tabSize), st = this.styles || (this.styles = []); + var pos = st.length = 0; if (this.text == "" && mode.blankLine) mode.blankLine(state); while (!stream.eol()) { - var style = mode.token(stream, state); - var substr = this.text.slice(stream.start, stream.pos); + var style = mode.token(stream, state), substr = stream.current(); stream.start = stream.pos; - if (pos && st[pos-1] == style) + if (pos && st[pos-1] == style) { st[pos-2] += substr; - else if (substr) { - if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true; + } else if (substr) { st[pos++] = substr; st[pos++] = style; - prevWord = curWord; curWord = st[pos]; } // Give up when line is ridiculously long if (stream.pos > 5000) { @@ -2538,17 +2512,19 @@ break; } } - if (st.length != pos) {st.length = pos; changed = true;} - if (pos && st[pos-2] != prevWord) changed = true; - // Short lines with simple highlights return null, and are - // counted as changed by the driver because they are likely to - // highlight the same way in various contexts. - return changed || (st.length < 5 && this.text.length < 10 ? null : false); + }, + process: function(mode, state, tabSize) { + var stream = new StringStream(this.text, tabSize); + if (this.text == "" && mode.blankLine) mode.blankLine(state); + while (!stream.eol() && stream.pos <= 5000) { + mode.token(stream, state); + stream.start = stream.pos; + } }, // Fetch the parser token for a given character. Useful for hacks // that want to inspect the mode state (say, for completion). - getTokenAt: function(mode, state, ch) { - var txt = this.text, stream = new StringStream(txt); + getTokenAt: function(mode, state, tabSize, ch) { + var txt = this.text, stream = new StringStream(txt, tabSize); while (stream.pos < ch && !stream.eol()) { stream.start = stream.pos; var style = mode.token(stream, state); @@ -2562,98 +2538,108 @@ indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, // Produces an HTML fragment for the line, taking selection, // marking, and highlighting into account. - getHTML: function(makeTab, wrapAt, wrapId, wrapWBR) { - var html = [], first = true, col = 0; - function span_(text, style) { + getContent: function(tabSize, wrapAt, compensateForWrapping) { + var first = true, col = 0, specials = /[\t\u0000-\u0019\u200b\u2028\u2029\uFEFF]/g; + var pre = elt("pre"); + function span_(html, text, style) { if (!text) return; // Work around a bug where, in some compat modes, IE ignores leading spaces if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); first = false; - if (text.indexOf("\t") == -1) { + if (!specials.test(text)) { col += text.length; - var escaped = htmlEscape(text); + var content = document.createTextNode(text); } else { - var escaped = ""; - for (var pos = 0;;) { - var idx = text.indexOf("\t", pos); - if (idx == -1) { - escaped += htmlEscape(text.slice(pos)); - col += text.length - pos; - break; + var content = document.createDocumentFragment(), pos = 0; + while (true) { + specials.lastIndex = pos; + var m = specials.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + content.appendChild(document.createTextNode(text.slice(pos, pos + skipped))); + col += skipped; + } + if (!m) break; + pos += skipped + 1; + if (m[0] == "\t") { + var tabWidth = tabSize - col % tabSize; + content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + col += tabWidth; } else { - col += idx - pos; - var tab = makeTab(col); - escaped += htmlEscape(text.slice(pos, idx)) + tab.html; - col += tab.width; - pos = idx + 1; + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + m[0].charCodeAt(0).toString(16); + content.appendChild(token); + col += 1; } } } - if (style) html.push('<span class="', style, '">', escaped, "</span>"); - else html.push(escaped); + if (style) html.appendChild(elt("span", [content], style)); + else html.appendChild(content); } var span = span_; if (wrapAt != null) { - var outPos = 0, open = "<span id=\"" + wrapId + "\">"; - span = function(text, style) { + var outPos = 0, anchor = pre.anchor = elt("span"); + span = function(html, text, style) { var l = text.length; if (wrapAt >= outPos && wrapAt < outPos + l) { if (wrapAt > outPos) { - span_(text.slice(0, wrapAt - outPos), style); + span_(html, text.slice(0, wrapAt - outPos), style); // See comment at the definition of spanAffectsWrapping - if (wrapWBR) html.push("<wbr>"); + if (compensateForWrapping) html.appendChild(elt("wbr")); } - html.push(open); + html.appendChild(anchor); var cut = wrapAt - outPos; - span_(opera ? text.slice(cut, cut + 1) : text.slice(cut), style); - html.push("</span>"); - if (opera) span_(text.slice(cut + 1), style); + span_(anchor, opera ? text.slice(cut, cut + 1) : text.slice(cut), style); + if (opera) span_(html, text.slice(cut + 1), style); wrapAt--; outPos += l; } else { outPos += l; - span_(text, style); - // Output empty wrapper when at end of line - if (outPos == wrapAt && outPos == len) html.push(open + " </span>"); + span_(html, text, style); + if (outPos == wrapAt && outPos == len) { + setTextContent(anchor, eolSpanContent); + html.appendChild(anchor); + } // Stop outputting HTML when gone sufficiently far beyond measure else if (outPos > wrapAt + 10 && /\s/.test(text)) span = function(){}; } - } + }; } - var st = this.styles, allText = this.text, marked = this.marked; + var st = this.styles, allText = this.text, marked = this.markedSpans; var len = allText.length; function styleToClass(style) { if (!style) return null; return "cm-" + style.replace(/ +/g, " cm-"); } - if (!allText && wrapAt == null) { - span(" "); + span(pre, " "); } else if (!marked || !marked.length) { for (var i = 0, ch = 0; ch < len; i+=2) { var str = st[i], style = st[i+1], l = str.length; if (ch + l > len) str = str.slice(0, len - ch); ch += l; - span(str, styleToClass(style)); + span(pre, str, styleToClass(style)); } } else { + marked.sort(function(a, b) { return a.from - b.from; }); var pos = 0, i = 0, text = "", style, sg = 0; var nextChange = marked[0].from || 0, marks = [], markpos = 0; - function advanceMarks() { + var advanceMarks = function() { var m; while (markpos < marked.length && ((m = marked[markpos]).from == pos || m.from == null)) { - if (m.style != null) marks.push(m); + if (m.marker.type == "range") marks.push(m); ++markpos; } nextChange = markpos < marked.length ? marked[markpos].from : Infinity; for (var i = 0; i < marks.length; ++i) { - var to = marks[i].to || Infinity; + var to = marks[i].to; + if (to == null) to = Infinity; if (to == pos) marks.splice(i--, 1); else nextChange = Math.min(to, nextChange); } - } + }; var m = 0; while (pos < len) { if (nextChange == pos) advanceMarks(); @@ -2662,9 +2648,13 @@ if (text) { var end = pos + text.length; var appliedStyle = style; - for (var j = 0; j < marks.length; ++j) - appliedStyle = (appliedStyle ? appliedStyle + " " : "") + marks[j].style; - span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle); + for (var j = 0; j < marks.length; ++j) { + var mark = marks[j]; + appliedStyle = (appliedStyle ? appliedStyle + " " : "") + mark.marker.style; + if (mark.marker.endStyle && mark.to === Math.min(end, upto)) appliedStyle += " " + mark.marker.endStyle; + if (mark.marker.startStyle && mark.from === pos) appliedStyle += " " + mark.marker.startStyle; + } + span(pre, end > upto ? text.slice(0, upto - pos) : text, appliedStyle); if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} pos = end; } @@ -2672,28 +2662,13 @@ } } } - return html.join(""); + return pre; }, cleanUp: function() { this.parent = null; - if (this.marked) - for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this); + detachMarkedSpans(this); } }; - // Utility used by replace and split above - function copyStyles(from, to, source, dest) { - for (var i = 0, pos = 0, state = 0; pos < to; i+=2) { - var part = source[i], end = pos + part.length; - if (state == 0) { - if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]); - if (end >= from) state = 1; - } else if (state == 1) { - if (end > to) dest.push(part.slice(0, to - pos), source[i+1]); - else dest.push(part, source[i+1]); - } - pos = end; - } - } // Data structure that holds the sequence of lines. function LeafChunk(lines) { @@ -2894,7 +2869,7 @@ History.prototype = { addChange: function(start, added, old) { this.undone.length = 0; - var time = +new Date, cur = this.done[this.done.length - 1], last = cur && cur[cur.length - 1]; + var time = +new Date, cur = lst(this.done), last = cur && lst(cur); var dtime = time - this.time; if (this.compound && cur && !this.closed) { @@ -2943,10 +2918,14 @@ function e_target(e) {return e.target || e.srcElement;} function e_button(e) { - if (e.which) return e.which; - else if (e.button & 1) return 1; - else if (e.button & 2) return 3; - else if (e.button & 4) return 2; + var b = e.which; + if (b == null) { + if (e.button & 1) b = 1; + else if (e.button & 2) b = 3; + else if (e.button & 4) b = 2; + } + if (mac && e.ctrlKey && b == 1) b = 3; + return b; } // Allow 3rd-party code to override event properties by adding an override @@ -2975,30 +2954,18 @@ var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); - var ie = /MSIE \d/.test(navigator.userAgent); - var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); - var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); - var quirksMode = ie && document.documentMode == 5; - var webkit = /WebKit\//.test(navigator.userAgent); - var chrome = /Chrome\//.test(navigator.userAgent); - var opera = /Opera\//.test(navigator.userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var khtml = /KHTML\//.test(navigator.userAgent); - var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); - // Detect drag-and-drop var dragAndDrop = function() { // There is *some* kind of drag-and-drop support in IE6-8, but I // couldn't get it to work yet. if (ie_lt9) return false; - var div = document.createElement('div'); + var div = elt('div'); return "draggable" in div || "dragDrop" in div; }(); // Feature-detect whether newlines in textareas are converted to \r\n var lineSep = function () { - var te = document.createElement("textarea"); + var te = elt("textarea"); te.value = "foo\nbar"; if (te.value.indexOf("\r") > -1) return "\r\n"; return "\n"; @@ -3030,31 +2997,7 @@ return n; } - function computedStyle(elt) { - if (elt.currentStyle) return elt.currentStyle; - return window.getComputedStyle(elt, null); - } - - // Find the position of an element by following the offsetParent chain. - // If screen==true, it returns screen (rather than page) coordinates. function eltOffset(node, screen) { - var bod = node.ownerDocument.body; - var x = 0, y = 0, skipBody = false; - for (var n = node; n; n = n.offsetParent) { - var ol = n.offsetLeft, ot = n.offsetTop; - // Firefox reports weird inverted offsets when the body has a border. - if (n == bod) { x += Math.abs(ol); y += Math.abs(ot); } - else { x += ol, y += ot; } - if (screen && computedStyle(n).position == "fixed") - skipBody = true; - } - var e = screen && !skipBody ? null : bod; - for (var n = node.parentNode; n != e; n = n.parentNode) - if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;} - return {left: x, top: y}; - } - // Use the faster and saner getBoundingClientRect method when possible. - if (document.documentElement.getBoundingClientRect != null) eltOffset = function(node, screen) { // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } @@ -3070,12 +3013,21 @@ } } return box; - }; + } - // Get a node's text content. function eltText(node) { return node.textContent || node.innerText || node.nodeValue || ""; } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + spaceStrs.push(lst(spaceStrs) + " "); + return spaceStrs[n]; + } + + function lst(arr) { return arr[arr.length-1]; } + function selectInput(node) { if (ios) { // Mobile Safari apparently has a bug where select() is broken. node.selectionStart = 0; @@ -3088,27 +3040,27 @@ function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} function copyPos(x) {return {line: x.line, ch: x.ch};} - var escapeElement = document.createElement("pre"); - function htmlEscape(str) { - escapeElement.textContent = str; - return escapeElement.innerHTML; + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) e.className = className; + if (style) e.style.cssText = style; + if (typeof content == "string") setTextContent(e, content); + else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); + return e; } - // Recent (late 2011) Opera betas insert bogus newlines at the start - // of the textContent, so we strip those. - if (htmlEscape("a") == "\na") { - htmlEscape = function(str) { - escapeElement.textContent = str; - return escapeElement.innerHTML.slice(1); - }; - // Some IEs don't preserve tabs through innerHTML - } else if (htmlEscape("\t") != "\t") { - htmlEscape = function(str) { - escapeElement.innerHTML = ""; - escapeElement.appendChild(document.createTextNode(str)); - return escapeElement.innerHTML; - }; + function removeChildren(e) { + e.innerHTML = ""; + return e; + } + function removeChildrenAndAdd(parent, e) { + removeChildren(parent).appendChild(e); } - CodeMirror.htmlEscape = htmlEscape; + function setTextContent(e, str) { + if (ie_lt9) { + e.innerHTML = ""; + e.appendChild(document.createTextNode(str)); + } else e.textContent = str; + } // Used to position the cursor after an undo/redo by finding the // last edited character. @@ -3133,14 +3085,22 @@ // See if "".split is the broken IE version, if so, provide an // alternative way to split lines. var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, nl, result = []; - while ((nl = string.indexOf("\n", pos)) > -1) { - result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl)); - pos = nl + 1; + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) nl = string.length; + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } } - result.push(string.slice(pos)); return result; - } : function(string){return string.split(/\r?\n/);}; + } : function(string){return string.split(/\r\n?|\n/);}; CodeMirror.splitLines = splitLines; var hasSelection = window.getSelection ? function(te) { @@ -3175,5 +3135,7 @@ for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; })(); + CodeMirror.version = "2.34"; + return CodeMirror; })();