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1 /**
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2 \file yui.flot.js
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3 \brief Javascript plotting library for YUI based on Flot v. 0.5.
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4 \details
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5 This file contains a port of Flot for YUI
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6
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7 Copyright (c) 2009 Yahoo! Inc. All rights reserved. The copyrights embodied
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8 in the content of this file are licenced by Yahoo! Inc. under the BSD (revised)
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9 open source license.
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10
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11 Requires yahoo-dom-event and datasource which you can get here:
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12 <script type="text/javascript" src="http://yui.yahooapis.com/combo?2.7.0/build/yahoo-dom-event/yahoo-dom-event.js&2.7.0/build/datasource/datasource-min.js"></script>
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13
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14 Datasource is optional, you only need it if one of your axes has its mode set to "time"
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15 */
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16
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17 (function() {
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18 var L = YAHOO.lang;
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19 var UA = YAHOO.env.ua;
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20 var DOM = YAHOO.util.Dom;
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21 var E = YAHOO.util.Event;
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22
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23 if(!DOM.createElementFromMarkup) {
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24 DOM.createElementFromMarkup = function(markup) {
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25 var p=document.createElement('div');
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26 p.innerHTML = markup;
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27 var e = p.firstChild;
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28 return p.removeChild(e);
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29 };
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30 }
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31
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32 if(!DOM.removeElement) {
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33 DOM.removeElement = function(el) {
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34 return el.parentNode.removeChild(el);
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35 };
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36 }
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37
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38 function Plot(target_, data_, options_) {
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39 // data is on the form:
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40 // [ series1, series2 ... ]
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41 // where series is either just the data as [ [x1, y1], [x2, y2], ... ]
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42 // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label" }
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43
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44 var series = [],
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45 options = {
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46 // the color theme used for graphs
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47 colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"],
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48 locale: "en",
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49 legend: {
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50 show: true,
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51 noColumns: 1, // number of colums in legend table
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52 labelFormatter: null, // fn: string -> string
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53 labelBoxBorderColor: "#ccc", // border color for the little label boxes
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54 container: null, // container (as jQuery object) to put legend in, null means default on top of graph
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55 position: "ne", // position of default legend container within plot
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56 margin: 5, // distance from grid edge to default legend container within plot
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57 backgroundColor: null, // null means auto-detect
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58 backgroundOpacity: 0.85 // set to 0 to avoid background
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59 },
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60 xaxis: {
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61 mode: null, // null or "time"
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62 min: null, // min. value to show, null means set automatically
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63 max: null, // max. value to show, null means set automatically
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64 autoscaleMargin: null, // margin in % to add if auto-setting min/max
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65 ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks
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66 tickFormatter: null, // fn: number -> string
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67 label: null,
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68 labelWidth: null, // size of tick labels in pixels
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69 labelHeight: null,
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70
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71 scaleType: 'linear', // may be 'linear' or 'log'
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72
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73 // mode specific options
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74 tickDecimals: null, // no. of decimals, null means auto
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75 tickSize: null, // number or [number, "unit"]
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76 minTickSize: null, // number or [number, "unit"]
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77 timeformat: null // format string to use
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78 },
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79 yaxis: {
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80 label: null,
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81 autoscaleMargin: 0.02
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82 },
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83 x2axis: {
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84 label: null,
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85 autoscaleMargin: null
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86 },
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87 y2axis: {
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88 label: null,
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89 autoscaleMargin: 0.02
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90 },
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91 points: {
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92 show: false,
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93 radius: 3,
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94 lineWidth: 2, // in pixels
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95 fill: true,
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96 fillColor: "#ffffff"
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97 },
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98 lines: {
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99 // we don't put in show: false so we can see
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100 // whether lines were actively disabled
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101 lineWidth: 2, // in pixels
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102 fill: false,
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103 fillColor: null
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104 },
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105 bars: {
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106 show: false,
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107 lineWidth: 2, // in pixels
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108 barWidth: 1, // in units of the x axis
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109 fill: true,
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110 fillColor: null,
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111 align: "left" // or "center"
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112 },
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113 grid: {
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114 show: true,
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115 showLines: true,
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116 color: "#545454", // primary color used for outline and labels
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117 backgroundColor: null, // null for transparent, else color
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118 tickColor: "#dddddd", // color used for the ticks
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119 labelMargin: 5, // in pixels
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120 labelFontSize: 16,
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121 borderWidth: 2, // in pixels
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122 borderColor: null, // set if different from the grid color
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123 markings: null, // array of ranges or fn: axes -> array of ranges
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124 markingsColor: "#f4f4f4",
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125 markingsLineWidth: 2,
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126 // interactive stuff
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127 clickable: false,
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128 hoverable: false,
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129 autoHighlight: true, // highlight in case mouse is near
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130 mouseActiveRadius: 10 // how far the mouse can be away to activate an item
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131 },
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132 selection: {
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133 mode: null, // one of null, "x", "y" or "xy"
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134 color: "#e8cfac"
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135 },
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136 crosshair: {
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137 mode: null, // one of null, "x", "y" or "xy",
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138 color: "#aa0000"
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139 },
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140 shadowSize: 3
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141 },
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142 canvas = null, // the canvas for the plot itself
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143 overlay = null, // canvas for interactive stuff on top of plot
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144 eventHolder = null, // jQuery object that events should be bound to
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145 ctx = null, octx = null,
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146 target = DOM.get(target_),
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147 axes = { xaxis: {}, yaxis: {}, x2axis: {}, y2axis: {} },
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148 plotOffset = { left: 0, right: 0, top: 0, bottom: 0},
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149 canvasWidth = 0, canvasHeight = 0,
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150 plotWidth = 0, plotHeight = 0,
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151 // dedicated to storing data for buggy standard compliance cases
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152 workarounds = {};
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153
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154 this.setData = setData;
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155 this.setupGrid = setupGrid;
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156 this.draw = draw;
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157 this.clearSelection = clearSelection;
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158 this.setSelection = setSelection;
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159 this.getCanvas = function() { return canvas; };
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160 this.getPlotOffset = function() { return plotOffset; };
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161 this.getData = function() { return series; };
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162 this.getAxes = function() { return axes; };
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163 this.setCrosshair = setCrosshair;
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164 this.clearCrosshair = function () { setCrosshair(null); };
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165 this.highlight = highlight;
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166 this.unhighlight = unhighlight;
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167
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168 // initialize
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169 parseOptions(options_);
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170 setData(data_);
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171 constructCanvas();
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172 setupGrid();
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173 draw();
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174
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175 var plot = this;
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176
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177 plot.createEvent('plotclick');
|
Marcin Kuzminski <marcin@python-works.com>
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diff
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178 plot.createEvent('plothover');
|
Marcin Kuzminski <marcin@python-works.com>
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diff
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179 plot.createEvent('plotselected');
|
Marcin Kuzminski <marcin@python-works.com>
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180 plot.createEvent('plotunselected');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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181
|
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182
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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183
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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184 function setData(d) {
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185 series = parseData(d);
|
Marcin Kuzminski <marcin@python-works.com>
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186
|
Marcin Kuzminski <marcin@python-works.com>
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187 fillInSeriesOptions();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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188 processData();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
189 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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190
|
Marcin Kuzminski <marcin@python-works.com>
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191 function normalizeData(d) {
|
Marcin Kuzminski <marcin@python-works.com>
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192 var possible_controls = ['x', 'time', 'date'];
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Marcin Kuzminski <marcin@python-works.com>
parents:
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193
|
Marcin Kuzminski <marcin@python-works.com>
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194 if (L.isArray(d)) {
|
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195 d = { data: d };
|
Marcin Kuzminski <marcin@python-works.com>
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196 } else {
|
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197 d = L.merge(d);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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198 }
|
Marcin Kuzminski <marcin@python-works.com>
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199
|
Marcin Kuzminski <marcin@python-works.com>
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200 if(d.disabled) {
|
Marcin Kuzminski <marcin@python-works.com>
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201 return undefined;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
202 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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203
|
Marcin Kuzminski <marcin@python-works.com>
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204 if (d.data.length === 0) {
|
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205 return undefined;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
206 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
207
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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208 var j, k;
|
Marcin Kuzminski <marcin@python-works.com>
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209
|
Marcin Kuzminski <marcin@python-works.com>
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210 // Make a copy so we don't obliterate the caller's data
|
Marcin Kuzminski <marcin@python-works.com>
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211 var _data = [];
|
Marcin Kuzminski <marcin@python-works.com>
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212
|
Marcin Kuzminski <marcin@python-works.com>
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213 if (L.isArray(d.data[0])) {
|
Marcin Kuzminski <marcin@python-works.com>
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214 for(j=0; j<d.data.length; j++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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215 if(d.data[j]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
216 var x = d.data[j][0];
|
Marcin Kuzminski <marcin@python-works.com>
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217 var y = d.data[j][1];
|
Marcin Kuzminski <marcin@python-works.com>
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218
|
Marcin Kuzminski <marcin@python-works.com>
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219 if(L.isObject(x) && x.getTime) x = x.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
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220 else x = parseFloat(x);
|
Marcin Kuzminski <marcin@python-works.com>
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221
|
Marcin Kuzminski <marcin@python-works.com>
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222 if(L.isObject(y) && y.getTime) y = y.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
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223 else y = parseFloat(y);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
224
|
Marcin Kuzminski <marcin@python-works.com>
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225 _data.push({ x: x, y: y});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
226 } else {
|
Marcin Kuzminski <marcin@python-works.com>
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|
227 _data.push(d.data[j]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
228 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
229 }
|
Marcin Kuzminski <marcin@python-works.com>
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230 d.control='x';
|
Marcin Kuzminski <marcin@python-works.com>
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231 d.schema='y';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
232 } else {
|
Marcin Kuzminski <marcin@python-works.com>
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|
233 for(j=0; j<d.data.length; j++) {
|
Marcin Kuzminski <marcin@python-works.com>
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|
234 _data.push({});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
235 for(k in d.data[j]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
236 if(L.isObject(d.data[j][k]) && d.data[j][k].getTime)
|
Marcin Kuzminski <marcin@python-works.com>
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|
237 _data[j][k] = d.data[j][k].getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
238 else
|
Marcin Kuzminski <marcin@python-works.com>
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|
239 _data[j][k] = parseFloat(d.data[j][k]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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|
240 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
241 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
242 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
243
|
Marcin Kuzminski <marcin@python-works.com>
parents:
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changeset
|
244 d.data = _data;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
245
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
246 if (!d.control) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
247 // try to guess the control field
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
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|
248 for (j=0; j<possible_controls.length; j++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
249 if(possible_controls[j] in d.data[0]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
250 d.control = possible_controls[j];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
251 break;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
252 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
253 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
254 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
255
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
256 if (!d.schema) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
257 d.schema = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
258 for(k in d.data[0]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
259 if(!d.control) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
260 d.control = k;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
261 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
262 if(k !== d.control) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
263 d.schema.push(k);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
264 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
265 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
266 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
267
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
268 return L.merge(d, {dropped: []});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
269 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
270
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
271 function markDroppedPoints(s) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
272 var l=s.data.length;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
273
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
274 if(l <= canvasWidth/10 || options.dontDropPoints) { // at least 10px per point
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
275 return s;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
276 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
277
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
278 var dropperiod = 1-canvasWidth/10/l;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
279 var drops = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
280 var points = l;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
281
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
282 for(var j=0; j<l; j++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
283 var x = s.data[j].x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
284 var y = s.data[j].y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
285
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
286 s.dropped[j] = (drops > 1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
287 if(s.dropped[j]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
288 drops-=1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
289 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
290
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
291 if(!isNaN(x) && !isNaN(x))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
292 drops+=dropperiod;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
293 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
294 drops=0; // bonus for a null point
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
295 points--;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
296 dropperiod=1-canvasWidth/10/points;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
297 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
298 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
299
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
300 return s;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
301 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
302
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
303 function splitSeries(s) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
304 var res = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
305
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
306 for(var k=0; k<s.schema.length; k++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
307 res[k] = L.merge(s, {data: []});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
308 if(s.label && L.isObject(s.label) && s.label[s.schema[k]]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
309 res[k].label = s.label[s.schema[k]];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
310 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
311 if(s.color && L.isObject(s.color) && s.color[s.schema[k]]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
312 res[k].color = s.color[s.schema[k]];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
313 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
314 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
315
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
316 for(var i=0; i<s.data.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
317 var d = s.data[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
318 for(k=0; k<s.schema.length; k++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
319 var tuple = { x: d[s.control], y: d[s.schema[k]] };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
320 res[k].data.push(tuple);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
321 res[k].control='x';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
322 res[k].schema='y';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
323 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
324 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
325
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
326 return res;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
327 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
328
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
329 function parseData(d) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
330 if(d.length === 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
331 return null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
332 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
333
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
334 // get the canvas width so we know if we have to drop points
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
335 canvasWidth = parseInt(DOM.getStyle(target, 'width'), 10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
336
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
337 // First we normalise the data into a standard format
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
338 var s, res = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
339 for (var i = 0; i < d.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
340 s = normalizeData(d[i]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
341 if(typeof s === 'undefined')
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
342 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
343
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
344 if(L.isArray(s.schema)) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
345 s = splitSeries(s);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
346 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
347 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
348 s = [s];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
349 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
350
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
351 for(var k=0; k<s.length; k++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
352 s[k] = markDroppedPoints(s[k]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
353 res.push(s[k]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
354 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
355 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
356
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
357 return res;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
358 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
359
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
360 function parseOptions(o) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
361 if (options.grid.borderColor == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
362 options.grid.borderColor = options.grid.color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
363
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
364 if(typeof o === 'undefined') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
365 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
366 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
367 o = YAHOO.lang.merge(o);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
368 for(var k in o) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
369 if(L.isObject(o[k]) && L.isObject(options[k])) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
370 L.augmentObject(options[k], o[k], true);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
371 delete o[k];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
372 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
373 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
374 L.augmentObject(options, o, true);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
375 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
376
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
377 function fillInSeriesOptions() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
378 var i;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
379
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
380 // collect what we already got of colors
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
381 var neededColors = series.length,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
382 usedColors = [],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
383 assignedColors = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
384 for (i = 0; i < series.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
385 var sc = series[i].color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
386 if (sc != null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
387 --neededColors;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
388 if (typeof sc == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
389 assignedColors.push(sc);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
390 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
391 usedColors.push(parseColor(series[i].color));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
392 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
393 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
394
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
395 // we might need to generate more colors if higher indices
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
396 // are assigned
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
397 for (i = 0; i < assignedColors.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
398 neededColors = Math.max(neededColors, assignedColors[i] + 1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
399 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
400
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
401 // produce colors as needed
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
402 var colors = [], variation = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
403 i = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
404 while (colors.length < neededColors) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
405 var c;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
406 if (options.colors.length == i) // check degenerate case
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
407 c = new Color(100, 100, 100);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
408 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
409 c = parseColor(options.colors[i]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
410
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
411 // vary color if needed
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
412 var sign = variation % 2 == 1 ? -1 : 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
413 var factor = 1 + sign * Math.ceil(variation / 2) * 0.2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
414 c.scale(factor, factor, factor);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
415
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
416 // FIXME: if we're getting too close to something else,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
417 // we should probably skip this one
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
418 colors.push(c);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
419
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
420 ++i;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
421 if (i >= options.colors.length) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
422 i = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
423 ++variation;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
424 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
425 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
426
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
427 // fill in the options
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
428 var colori = 0, s;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
429 for (i = 0; i < series.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
430 s = series[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
431
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
432 // assign colors
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
433 if (s.color == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
434 s.color = colors[colori].toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
435 ++colori;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
436 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
437 else if (typeof s.color == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
438 s.color = colors[s.color].toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
439
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
440 // copy the rest
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
441 s.lines = L.merge(options.lines, s.lines || {});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
442 s.points = L.merge(options.points, s.points || {});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
443 s.bars = L.merge(options.bars, s.bars || {});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
444
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
445 // turn on lines automatically in case nothing is set
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
446 if (s.lines.show == null && !s.bars.show && !s.points.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
447 s.lines.show = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
448
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
449 if (s.shadowSize == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
450 s.shadowSize = options.shadowSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
451
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
452 if (s.xaxis && s.xaxis == 2)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
453 s.xaxis = axes.x2axis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
454 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
455 s.xaxis = axes.xaxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
456 if (s.yaxis && s.yaxis >= 2) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
457 if(!axes['y' + s.yaxis + 'axis'])
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
458 axes['y' + s.yaxis + 'axis'] = {};
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
459 if(!options['y' + s.yaxis + 'axis'])
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
460 options['y' + s.yaxis + 'axis'] = { autoscaleMargin: 0.02 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
461 s.yaxis = axes['y' + s.yaxis + 'axis'];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
462 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
463 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
464 s.yaxis = axes.yaxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
465 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
466 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
467
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
468 function processData() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
469 var topSentry = Number.POSITIVE_INFINITY,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
470 bottomSentry = Number.NEGATIVE_INFINITY,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
471 axis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
472
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
473 for (axis in axes) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
474 axes[axis].datamin = topSentry;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
475 axes[axis].datamax = bottomSentry;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
476 axes[axis].min = options[axis].min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
477 axes[axis].max = options[axis].max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
478 axes[axis].used = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
479 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
480
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
481 for (var i = 0; i < series.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
482 var s = series[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
483 var data = s.data,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
484 axisx = s.xaxis, axisy = s.yaxis,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
485 xmin = topSentry, xmax = bottomSentry,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
486 ymin = topSentry, ymax = bottomSentry,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
487 x, y, p;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
488
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
489 axisx.used = axisy.used = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
490
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
491 if (s.bars.show) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
492 // make sure we got room for the bar
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
493 var delta = s.bars.align == "left" ? 0 : -s.bars.barWidth/2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
494 xmin += delta;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
495 xmax += delta + s.bars.barWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
496 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
497
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
498 for (var j = 0; j < data.length; ++j) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
499 p = data[j];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
500
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
501 if(data[j] === null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
502 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
503
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
504 x = p.x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
505 y = p.y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
506
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
507 if(L.isObject(x) && x.getTime) { // this is a Date object
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
508 x = x.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
509 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
510
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
511 if(L.isObject(y) && y.getTime) { // this is a Date object
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
512 y = y.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
513 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
514
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
515 // convert to number
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
516 if (x != null && !isNaN(x = +x)) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
517 if (x < xmin)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
518 xmin = x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
519 if (x > xmax)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
520 xmax = x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
521 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
522 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
523 x = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
524
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
525 if (y != null && !isNaN(y = +y)) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
526 if (y < ymin)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
527 ymin = y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
528 if (y > ymax)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
529 ymax = y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
530 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
531 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
532 y = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
533
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
534 if (x == null || y == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
535 data[j] = x = y = null; // mark this point invalid
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
536 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
537
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
538 axisx.datamin = Math.min(axisx.datamin, xmin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
539 axisx.datamax = Math.max(axisx.datamax, xmax);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
540 axisy.datamin = Math.min(axisy.datamin, ymin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
541 axisy.datamax = Math.max(axisy.datamax, ymax);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
542 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
543 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
544
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
545 function constructCanvas() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
546 function makeCanvas(width, height, container, style) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
547 var c = document.createElement('canvas');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
548 c.width = width;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
549 c.height = height;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
550 if (typeof G_vmlCanvasManager !== 'undefined') // excanvas hack
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
551 c = G_vmlCanvasManager.initElement(c);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
552
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
553 if(style) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
554 for(var k in style) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
555 c.style[k] = style[k];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
556 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
557 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
558 container.appendChild(c);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
559
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
560 return c;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
561 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
562
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
563 canvasWidth = parseInt(DOM.getStyle(target, 'width'), 10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
564 canvasHeight = parseInt(DOM.getStyle(target, 'height'), 10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
565 target.innerHTML = ""; // clear target
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
566 target.style.position = "relative"; // for positioning labels and overlay
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
567
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
568 if (canvasWidth <= 0 || canvasHeight <= 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
569 throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
570
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
571 if (YAHOO.env.ua.ie) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
572 G_vmlCanvasManager.init_(document);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
573 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
574
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
575 // the canvas
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
576 canvas = makeCanvas(canvasWidth, canvasHeight, target);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
577 ctx = canvas.getContext("2d");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
578
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
579 // overlay canvas for interactive features
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
580 overlay = makeCanvas(canvasWidth, canvasHeight, target, { position: 'absolute', left: '0px', top: '0px' });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
581 octx = overlay.getContext("2d");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
582
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
583 // we include the canvas in the event holder too, because IE 7
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
584 // sometimes has trouble with the stacking order
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
585 eventHolder = [overlay, canvas];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
586
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
587 // bind events
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
588 if (options.selection.mode != null || options.crosshair.mode != null || options.grid.hoverable) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
589 E.on(eventHolder, 'mousemove', onMouseMove);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
590
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
591 if (options.selection.mode != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
592 E.on(eventHolder, "mousedown", onMouseDown);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
593 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
594
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
595 if (options.crosshair.mode != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
596 E.on(eventHolder, "mouseout", onMouseOut);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
597
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
598 if (options.grid.clickable)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
599 E.on(eventHolder, "click", onClick);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
600 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
601
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
602 function setupGrid() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
603 function setupAxis(axis, options, type) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
604 setRange(axis, options);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
605 prepareTickGeneration(axis, options);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
606 setTicks(axis, options);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
607 // add transformation helpers
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
608 if (type == 'x') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
609 // data point to canvas coordinate
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
610 axis.p2c = function (p) { return (p - axis.min) * axis.scale; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
611 // canvas coordinate to data point
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
612 axis.c2p = function (c) { return axis.min + c / axis.scale; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
613 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
614 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
615 axis.p2c = function (p) { return (axis.max - p) * axis.scale; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
616 axis.c2p = function (c) { return axis.max - c / axis.scale; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
617 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
618 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
619
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
620 for (var axis in axes)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
621 setupAxis(axes[axis], options[axis], axis.charAt(0));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
622
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
623 setSpacing();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
624 if(options.grid.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
625 insertLabels();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
626 insertLegend();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
627 insertAxisLabels();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
628 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
629
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
630 function setRange(axis, axisOptions) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
631 var min = axisOptions.min != null ? (axisOptions.scaleType == 'log' ? Math.log(axisOptions.min<=0?1:axisOptions.min) * Math.LOG10E : axisOptions.min) : axis.datamin;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
632 var max = axisOptions.max != null ? (axisOptions.scaleType == 'log' ? Math.log(axisOptions.max) * Math.LOG10E : axisOptions.max) : axis.datamax;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
633
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
634 if(axisOptions.mode === 'time') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
635 if(L.isObject(min) && min.getTime) min = min.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
636 if(L.isObject(max) && max.getTime) max = max.getTime()/1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
637 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
638
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
639 // degenerate case
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
640 if (min == Number.POSITIVE_INFINITY)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
641 min = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
642 if (max == Number.NEGATIVE_INFINITY)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
643 max = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
644
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
645 if (max - min == 0.0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
646 // degenerate case
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
647 var widen = max == 0 ? 1 : 0.01;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
648
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
649 if (axisOptions.min == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
650 min -= widen;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
651 // alway widen max if we couldn't widen min to ensure we
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
652 // don't fall into min == max which doesn't work
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
653 if (axisOptions.max == null || axisOptions.min != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
654 max += widen;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
655 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
656 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
657 // consider autoscaling
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
658 var margin = axisOptions.autoscaleMargin;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
659 if (margin != null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
660 if (axisOptions.min == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
661 min -= (max - min) * margin;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
662 // make sure we don't go below zero if all values
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
663 // are positive
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
664 if (min < 0 && axis.datamin >= 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
665 min = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
666 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
667 if (axisOptions.max == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
668 max += (max - min) * margin;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
669 if (max > 0 && axis.datamax <= 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
670 max = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
671 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
672 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
673 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
674 axis.min = min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
675 axis.max = max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
676 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
677
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
678 function prepareTickGeneration(axis, axisOptions) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
679 // estimate number of ticks
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
680 var noTicks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
681 if (typeof axisOptions.ticks == "number" && axisOptions.ticks > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
682 noTicks = axisOptions.ticks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
683 else if (axis == axes.xaxis || axis == axes.x2axis)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
684 noTicks = canvasWidth / 100;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
685 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
686 noTicks = canvasHeight / 60;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
687
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
688 var delta = (axis.max - axis.min) / noTicks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
689 var size, generator, unit, formatter, magn, norm;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
690
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
691 if (axisOptions.mode == "time") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
692 // pretty handling of time
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
693
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
694 delta*=1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
695
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
696 // map of app. size of time units in milliseconds
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
697 var timeUnitSize = {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
698 "second": 1000,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
699 "minute": 60 * 1000,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
700 "hour": 60 * 60 * 1000,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
701 "day": 24 * 60 * 60 * 1000,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
702 "month": 30 * 24 * 60 * 60 * 1000,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
703 "year": 365.2425 * 24 * 60 * 60 * 1000
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
704 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
705
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
706
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
707 // the allowed tick sizes, after 1 year we use
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
708 // an integer algorithm
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
709 var spec = [
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
710 [1, "second"], [2, "second"], [5, "second"], [10, "second"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
711 [30, "second"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
712 [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
713 [30, "minute"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
714 [1, "hour"], [2, "hour"], [4, "hour"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
715 [8, "hour"], [12, "hour"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
716 [1, "day"], [2, "day"], [3, "day"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
717 [0.25, "month"], [0.5, "month"], [1, "month"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
718 [2, "month"], [3, "month"], [6, "month"],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
719 [1, "year"]
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
720 ];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
721
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
722 var minSize = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
723 if (axisOptions.minTickSize != null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
724 if (typeof axisOptions.tickSize == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
725 minSize = axisOptions.tickSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
726 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
727 minSize = axisOptions.minTickSize[0] * timeUnitSize[axisOptions.minTickSize[1]];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
728 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
729
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
730 for (var i = 0; i < spec.length - 1; ++i)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
731 if (delta < (spec[i][0] * timeUnitSize[spec[i][1]]
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
732 + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
733 && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
734 break;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
735 size = spec[i][0];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
736 unit = spec[i][1];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
737
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
738 // special-case the possibility of several years
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
739 if (unit == "year") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
740 magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
741 norm = (delta / timeUnitSize.year) / magn;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
742 if (norm < 1.5)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
743 size = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
744 else if (norm < 3)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
745 size = 2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
746 else if (norm < 7.5)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
747 size = 5;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
748 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
749 size = 10;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
750
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
751 size *= magn;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
752 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
753
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
754 if (axisOptions.tickSize) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
755 size = axisOptions.tickSize[0];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
756 unit = axisOptions.tickSize[1];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
757 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
758
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
759 generator = function(axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
760 var ticks = [],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
761 tickSize = axis.tickSize[0], unit = axis.tickSize[1],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
762 d = new Date(axis.min*1000);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
763
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
764 var step = tickSize * timeUnitSize[unit];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
765
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
766 if (unit == "second")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
767 d.setUTCSeconds(floorInBase(d.getUTCSeconds(), tickSize));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
768 if (unit == "minute")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
769 d.setUTCMinutes(floorInBase(d.getUTCMinutes(), tickSize));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
770 if (unit == "hour")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
771 d.setUTCHours(floorInBase(d.getUTCHours(), tickSize));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
772 if (unit == "month")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
773 d.setUTCMonth(floorInBase(d.getUTCMonth(), tickSize));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
774 if (unit == "year")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
775 d.setUTCFullYear(floorInBase(d.getUTCFullYear(), tickSize));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
776
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
777 // reset smaller components
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
778 d.setUTCMilliseconds(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
779 if (step >= timeUnitSize.minute)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
780 d.setUTCSeconds(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
781 if (step >= timeUnitSize.hour)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
782 d.setUTCMinutes(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
783 if (step >= timeUnitSize.day)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
784 d.setUTCHours(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
785 if (step >= timeUnitSize.day * 4)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
786 d.setUTCDate(1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
787 if (step >= timeUnitSize.year)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
788 d.setUTCMonth(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
789
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
790
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
791 var carry = 0, v = Number.NaN, prev;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
792 do {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
793 prev = v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
794 v = d.getTime();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
795 ticks.push({ v: v/1000, label: axis.tickFormatter(v, axis) });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
796 if (unit == "month") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
797 if (tickSize < 1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
798 // a bit complicated - we'll divide the month
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
799 // up but we need to take care of fractions
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
800 // so we don't end up in the middle of a day
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
801 d.setUTCDate(1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
802 var start = d.getTime();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
803 d.setUTCMonth(d.getUTCMonth() + 1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
804 var end = d.getTime();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
805 d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
806 carry = d.getUTCHours();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
807 d.setUTCHours(0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
808 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
809 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
810 d.setUTCMonth(d.getUTCMonth() + tickSize);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
811 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
812 else if (unit == "year") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
813 d.setUTCFullYear(d.getUTCFullYear() + tickSize);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
814 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
815 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
816 d.setTime(v + step);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
817 } while (v < axis.max*1000 && v != prev);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
818
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
819 return ticks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
820 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
821
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
822 formatter = function (v, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
823 var d = new Date(v);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
824
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
825 // first check global format
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
826 if (axisOptions.timeformat != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
827 return YAHOO.util.Date.format(d, {format: axisOptions.timeformat}, options.locale);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
828
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
829 var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
830 var span = axis.max - axis.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
831 span*=1000;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
832
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
833 if (t < timeUnitSize.minute)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
834 var fmt = "%k:%M:%S";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
835 else if (t < timeUnitSize.day) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
836 if (span < 2 * timeUnitSize.day)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
837 fmt = "%k:%M";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
838 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
839 fmt = "%b %d %k:%M";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
840 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
841 else if (t < timeUnitSize.month)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
842 fmt = "%b %d";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
843 else if (t < timeUnitSize.year) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
844 if (span < timeUnitSize.year/2)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
845 fmt = "%b";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
846 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
847 fmt = "%b %Y";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
848 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
849 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
850 fmt = "%Y";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
851
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
852 return YAHOO.util.Date.format(d, {format: fmt}, axisOptions.timelang);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
853 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
854 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
855 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
856 // pretty rounding of base-10 numbers
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
857 var maxDec = axisOptions.tickDecimals;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
858 var dec = -Math.floor(Math.log(delta) / Math.LN10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
859 if (maxDec != null && dec > maxDec)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
860 dec = maxDec;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
861
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
862 magn = Math.pow(10, -dec);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
863 norm = delta / magn; // norm is between 1.0 and 10.0
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
864
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
865 if (norm < 1.5)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
866 size = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
867 else if (norm < 3) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
868 size = 2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
869 // special case for 2.5, requires an extra decimal
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
870 if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
871 size = 2.5;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
872 ++dec;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
873 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
874 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
875 else if (norm < 7.5)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
876 size = 5;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
877 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
878 size = 10;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
879
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
880 size *= magn;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
881
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
882 if (axisOptions.minTickSize != null && size < axisOptions.minTickSize)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
883 size = axisOptions.minTickSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
884
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
885 if (axisOptions.tickSize != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
886 size = axisOptions.tickSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
887
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
888 axis.tickDecimals = Math.max(0, (maxDec != null) ? maxDec : dec);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
889
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
890 generator = function (axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
891 var ticks = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
892
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
893 // spew out all possible ticks
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
894 var start = floorInBase(axis.min, axis.tickSize),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
895 i = 0, v = Number.NaN, prev;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
896 do {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
897 prev = v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
898 v = start + i * axis.tickSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
899 var t=v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
900 if(axis.scaleType == 'log') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
901 t = Math.exp(t / Math.LOG10E);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
902 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
903 ticks.push({ v: v, label: axis.tickFormatter(t, axis) });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
904 ++i;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
905 } while (v < axis.max && v != prev);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
906 return ticks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
907 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
908
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
909 formatter = function (v, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
910 return v.toFixed(axis.tickDecimals);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
911 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
912 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
913
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
914 axis.scaleType = axisOptions.scaleType;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
915 axis.tickSize = unit ? [size, unit] : size;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
916 axis.tickGenerator = generator;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
917 if (L.isFunction(axisOptions.tickFormatter))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
918 axis.tickFormatter = function (v, axis) { return "" + axisOptions.tickFormatter(v, axis); };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
919 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
920 axis.tickFormatter = formatter;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
921 if (axisOptions.labelWidth != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
922 axis.labelWidth = axisOptions.labelWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
923 if (axisOptions.labelHeight != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
924 axis.labelHeight = axisOptions.labelHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
925 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
926
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
927 function setTicks(axis, axisOptions) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
928 axis.ticks = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
929
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
930 if (!axis.used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
931 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
932
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
933 if (axisOptions.ticks == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
934 axis.ticks = axis.tickGenerator(axis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
935 else if (typeof axisOptions.ticks == "number") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
936 if (axisOptions.ticks > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
937 axis.ticks = axis.tickGenerator(axis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
938 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
939 else if (axisOptions.ticks) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
940 var ticks = axisOptions.ticks;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
941
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
942 if (L.isFunction(ticks))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
943 // generate the ticks
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
944 ticks = ticks({ min: axis.min, max: axis.max });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
945
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
946 // clean up the user-supplied ticks, copy them over
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
947 var v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
948 for (var i = 0; i < ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
949 var label = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
950 var t = ticks[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
951 if (typeof t == "object") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
952 v = t[0];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
953 if (t.length > 1)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
954 label = t[1];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
955 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
956 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
957 v = t;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
958 if (axisOptions.scaleType == 'log') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
959 if (label == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
960 label = v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
961 v = Math.log(v) * Math.LOG10E;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
962 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
963
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
964 if (label == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
965 label = axis.tickFormatter(v, axis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
966 axis.ticks[i] = { v: v, label: label };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
967 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
968 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
969
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
970 if (axisOptions.autoscaleMargin != null && axis.ticks.length > 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
971 // snap to ticks
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
972 if (axisOptions.min == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
973 axis.min = Math.min(axis.min, axis.ticks[0].v);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
974 if (axisOptions.max == null && axis.ticks.length > 1)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
975 axis.max = Math.min(axis.max, axis.ticks[axis.ticks.length - 1].v);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
976 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
977 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
978
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
979 function setSpacing() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
980 function measureXLabels(axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
981 if(options.grid.show){
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
982 // to avoid measuring the widths of the labels, we
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
983 // construct fixed-size boxes and put the labels inside
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
984 // them, we don't need the exact figures and the
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
985 // fixed-size box content is easy to center
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
986 if (axis.labelWidth == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
987 axis.labelWidth = canvasWidth / 6;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
988
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
989 // measure x label heights
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
990 if (axis.labelHeight == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
991 var labels = [];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
992 for (var i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
993 var l = axis.ticks[i].label;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
994 if (l)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
995 labels.push('<div class="tickLabel" style="float:left;width:' + axis.labelWidth + 'px">' + l + '</div>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
996 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
997
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
998 axis.labelHeight = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
999 if (labels.length > 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1000 var dummyDiv = target.appendChild(DOM.createElementFromMarkup('<div style="position:absolute;top:-10000px;width:10000px;font-size:smaller">'
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1001 + labels.join("") + '<div style="clear:left"></div></div>'));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1002 axis.labelHeight = dummyDiv.offsetHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1003 target.removeChild(dummyDiv);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1004 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1005 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1006 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1007 else{
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1008 axis.labelHeight = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1009 axis.labelWidth = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1010 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1011 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1012
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1013 function measureYLabels(axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1014 if(options.grid.show){
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1015 if (axis.labelWidth == null || axis.labelHeight == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1016 var labels = [], l;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1017 // calculate y label dimensions
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1018 for (var i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1019 l = axis.ticks[i].label;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1020 if (l)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1021 labels.push('<div class="tickLabel">' + l + '</div>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1022 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1023
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1024 if (labels.length > 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1025 var dummyDiv = target.appendChild(DOM.createElementFromMarkup('<div style="position:absolute;top:-10000px;font-size:smaller">'
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1026 + labels.join("") + '</div>'));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1027 if (axis.labelWidth == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1028 axis.labelWidth = dummyDiv.offsetWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1029 if (axis.labelHeight == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1030 axis.labelHeight = dummyDiv.firstChild.offsetHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1031 target.removeChild(dummyDiv);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1032 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1033
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1034 if (axis.labelWidth == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1035 axis.labelWidth = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1036 if (axis.labelHeight == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1037 axis.labelHeight = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1038 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1039 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1040 else{
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1041 axis.labelHeight = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1042 axis.labelWidth = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1043 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1044 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1045
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1046 measureXLabels(axes.xaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1047 measureYLabels(axes.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1048 measureXLabels(axes.x2axis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1049 measureYLabels(axes.y2axis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1050 // get the most space needed around the grid for things
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1051 // that may stick out
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1052 var maxOutset = (options.grid.show) ? options.grid.borderWidth : 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1053 for (var i = 0; i < series.length; ++i)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1054 maxOutset = (Math.max(maxOutset, 2 * (((series[i].points.show) ? series[i].points.radius : 0 ) + series[i].points.lineWidth/2)));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1055
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1056 plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = maxOutset;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1057
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1058 var margin = options.grid.labelMargin + options.grid.borderWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1059
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1060 if (axes.xaxis.labelHeight > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1061 plotOffset.bottom = Math.max(maxOutset, axes.xaxis.labelHeight + margin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1062 if (axes.yaxis.labelWidth > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1063 plotOffset.left = Math.max(maxOutset, axes.yaxis.labelWidth + margin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1064
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1065 if (axes.x2axis.labelHeight > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1066 plotOffset.top = Math.max(maxOutset, axes.x2axis.labelHeight + margin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1067
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1068 if (axes.y2axis.labelWidth > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1069 plotOffset.right = Math.max(maxOutset, axes.y2axis.labelWidth + margin);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1070
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1071 plotWidth = canvasWidth - plotOffset.left - plotOffset.right;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1072 plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1073
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1074 // precompute how much the axis is scaling a point in canvas space
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1075 for(var axis in axes) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1076 axes[axis].scale = (axis.charAt(0) == 'x' ? plotWidth : plotHeight) / (axes[axis].max - axes[axis].min);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1077 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1078 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1079
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1080 function draw() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1081 drawGrid();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1082 for (var i = 0; i < series.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1083 drawSeries(series[i]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1084 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1085 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1086
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1087 function extractRange(ranges, coord) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1088 var firstAxis = coord + "axis",
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1089 secondaryAxis = coord + "2axis",
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1090 axis, from, to, reverse;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1091
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1092 if (ranges[firstAxis]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1093 axis = firstAxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1094 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1095 else if (ranges[secondaryAxis]) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1096 axis = secondaryAxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1097 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1098 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1099 return { from: null, to: null, axis: axes[firstAxis] };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1100 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1101
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1102 from = ranges[axis].from;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1103 to = ranges[axis].to;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1104
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1105 if (options[axis].scaleType == 'log') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1106 if (from != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1107 from = Math.log(from) * Math.LOG10E;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1108 if (to != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1109 to = Math.log(to) * Math.LOG10E;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1110 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1111
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1112 axis = axes[axis];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1113
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1114 // auto-reverse as an added bonus
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1115 if (from != null && to != null && from > to)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1116 return { from: to, to: from, axis: axis };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1117
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1118 return { from: from, to: to, axis: axis };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1119 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1120
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1121 function drawGrid() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1122 var i;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1123
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1124 ctx.save();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1125 ctx.clearRect(0, 0, canvasWidth, canvasHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1126 ctx.translate(plotOffset.left, plotOffset.top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1127
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1128 // draw background, if any
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1129 if (options.grid.backgroundColor) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1130 ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1131 ctx.fillRect(0, 0, plotWidth, plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1132 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1133
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1134 // draw markings
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1135 var markings = options.grid.markings;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1136 if (markings) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1137 if (L.isFunction(markings))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1138 markings = markings({ xaxis: axes.xaxis, yaxis: axes.yaxis, x2axis: axes.x2axis, y2axis: axes.y2axis });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1139
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1140 for (i = 0; i < markings.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1141 var m = markings[i],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1142 xrange = extractRange(m, "x"),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1143 yrange = extractRange(m, "y");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1144
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1145 // fill in missing
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1146 if (xrange.from == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1147 xrange.from = xrange.axis.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1148 if (xrange.to == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1149 xrange.to = xrange.axis.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1150 if (yrange.from == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1151 yrange.from = yrange.axis.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1152 if (yrange.to == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1153 yrange.to = yrange.axis.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1154
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1155 // clip
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1156 if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max ||
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1157 yrange.to < yrange.axis.min || yrange.from > yrange.axis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1158 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1159
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1160 xrange.from = Math.max(xrange.from, xrange.axis.min);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1161 xrange.to = Math.min(xrange.to, xrange.axis.max);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1162 yrange.from = Math.max(yrange.from, yrange.axis.min);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1163 yrange.to = Math.min(yrange.to, yrange.axis.max);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1164
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1165 if (xrange.from == xrange.to && yrange.from == yrange.to)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1166 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1167
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1168 // then draw
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1169 xrange.from = xrange.axis.p2c(xrange.from);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1170 xrange.to = xrange.axis.p2c(xrange.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1171 yrange.from = yrange.axis.p2c(yrange.from);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1172 yrange.to = yrange.axis.p2c(yrange.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1173
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1174 if (xrange.from == xrange.to || yrange.from == yrange.to) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1175 // draw line
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1176 ctx.strokeStyle = m.color || options.grid.markingsColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1177 ctx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1178 ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1179 ctx.moveTo(xrange.from, yrange.from);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1180 ctx.lineTo(xrange.to, yrange.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1181 ctx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1182 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1183 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1184 // fill area
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1185 ctx.fillStyle = m.color || options.grid.markingsColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1186 ctx.fillRect(xrange.from, yrange.to,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1187 xrange.to - xrange.from,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1188 yrange.from - yrange.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1189 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1190 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1191 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1192
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1193 if(options.grid.show && options.grid.showLines) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1194 // draw the inner grid
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1195 ctx.lineWidth = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1196 ctx.strokeStyle = options.grid.tickColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1197 ctx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1198 var v, axis = axes.xaxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1199 for (i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1200 v = axis.ticks[i].v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1201 if (v <= axis.min || v >= axes.xaxis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1202 continue; // skip those lying on the axes
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1203
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1204 ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1205 ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1206 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1207
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1208 axis = axes.yaxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1209 for (i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1210 v = axis.ticks[i].v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1211 if (v <= axis.min || v >= axis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1212 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1213
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1214 ctx.moveTo(0, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1215 ctx.lineTo(plotWidth, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1216 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1217
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1218 axis = axes.x2axis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1219 for (i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1220 v = axis.ticks[i].v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1221 if (v <= axis.min || v >= axis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1222 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1223
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1224 ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, -5);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1225 ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 5);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1226 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1227
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1228 axis = axes.y2axis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1229 for (i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1230 v = axis.ticks[i].v;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1231 if (v <= axis.min || v >= axis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1232 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1233
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1234 ctx.moveTo(plotWidth-5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1235 ctx.lineTo(plotWidth+5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1236 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1237
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1238 ctx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1239 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1240
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1241 if (options.grid.show && options.grid.borderWidth) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1242 // draw border
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1243 var bw = options.grid.borderWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1244 ctx.lineWidth = bw;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1245 ctx.strokeStyle = options.grid.borderColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1246 ctx.lineJoin = "round";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1247 ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1248 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1249
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1250 ctx.restore();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1251 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1252
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1253 function insertLabels() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1254 DOM.getElementsByClassName("tickLabels", "div", target, DOM.removeElement);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1255
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1256 var html = ['<div class="tickLabels" style="font-size:smaller;color:' + options.grid.color + '">'];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1257
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1258 function addLabels(axis, labelGenerator) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1259 for (var i = 0; i < axis.ticks.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1260 var tick = axis.ticks[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1261 if (!tick.label || tick.v < axis.min || tick.v > axis.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1262 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1263 html.push(labelGenerator(tick, axis));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1264 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1265 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1266
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1267 var margin = options.grid.labelMargin + options.grid.borderWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1268
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1269 addLabels(axes.xaxis, function (tick, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1270 return '<div style="position:absolute;top:' + (plotOffset.top + plotHeight + margin) + 'px;left:' + Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2) + 'px;width:' + axis.labelWidth + 'px;text-align:center" class="tickLabel">' + tick.label + "</div>";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1271 });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1272
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1273
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1274 addLabels(axes.yaxis, function (tick, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1275 return '<div style="position:absolute;top:' + Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2) + 'px;right:' + (plotOffset.right + plotWidth + margin) + 'px;width:' + axis.labelWidth + 'px;text-align:right" class="tickLabel">' + tick.label + "</div>";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1276 });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1277
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1278 addLabels(axes.x2axis, function (tick, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1279 return '<div style="position:absolute;bottom:' + (plotOffset.bottom + plotHeight + margin) + 'px;left:' + Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2) + 'px;width:' + axis.labelWidth + 'px;text-align:center" class="tickLabel">' + tick.label + "</div>";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1280 });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1281
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1282 addLabels(axes.y2axis, function (tick, axis) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1283 return '<div style="position:absolute;top:' + Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2) + 'px;left:' + (plotOffset.left + plotWidth + margin) +'px;width:' + axis.labelWidth + 'px;text-align:left" class="tickLabel">' + tick.label + "</div>";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1284 });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1285
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1286 html.push('</div>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1287
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1288 target.appendChild(DOM.createElementFromMarkup(html.join("")));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1289 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1290
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1291 function insertAxisLabels() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1292 var xLocation, yLocation;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1293 if( options.xaxis.label ) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1294 yLocation = plotOffset.top + plotHeight + ( axes.xaxis.labelHeight * 1.5 );
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1295 xLocation = plotOffset.left;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1296 DOM.getElementsByClassName("xaxislabel", "div", target, DOM.removeElement);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1297 target.appendChild(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1298 DOM.createElementFromMarkup(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1299 "<div class='xaxislabel' style='color:" + options.grid.color + ";width:" + plotWidth + "px;"
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1300 + "text-align:center;position:absolute;top:" + yLocation + "px;left:" + xLocation + "px;'>"
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1301 + options.xaxis.label + "</div>"
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1302 )
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1303 );
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1304 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1305 if( options.yaxis.label ) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1306 xLocation = plotOffset.left - ( axes.yaxis.labelWidth * 2 ) - options.grid.labelFontSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1307 yLocation = plotOffset.top + plotHeight/2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1308 DOM.getElementsByClassName("yaxislabel", "div", target, DOM.removeElement);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1309
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1310 target.appendChild(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1311 DOM.createElementFromMarkup(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1312 "<div class='yaxislabel' style='-moz-transform:rotate(270deg);-webkit-transform:rotate(270deg);writing-mode:tb-rl;filter:flipV flipH;color:" + options.grid.color + ";"
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1313 + "text-align:center;position:absolute;top:" + yLocation + "px;left:" + xLocation + "px;'>"
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1314 + options.yaxis.label + "</div>")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1315 );
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1316 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1317 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1318
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1319 function drawSeries(series) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1320 if (series.lines.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1321 drawSeriesLines(series);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1322 if (series.bars.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1323 drawSeriesBars(series);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1324 if (series.points.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1325 drawSeriesPoints(series);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1326 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1327
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1328 function drawSeriesLines(series) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1329 function plotLine(data, xoffset, yoffset, axisx, axisy) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1330 var prev = null, cur=null, drawx = null, drawy = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1331
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1332 ctx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1333 for (var i = 0; i < data.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1334 prev = cur;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1335 cur = data[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1336
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1337 if(prev == null || cur == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1338 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1339
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1340 var x1 = prev.x, y1 = prev.y,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1341 x2 = cur.x, y2 = cur.y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1342
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1343 // clip with ymin
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1344 if (y1 <= y2 && y1 < axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1345 if (y2 < axisy.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1346 continue; // line segment is outside
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1347 // compute new intersection point
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1348 x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1349 y1 = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1350 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1351 else if (y2 <= y1 && y2 < axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1352 if (y1 < axisy.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1353 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1354 x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1355 y2 = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1356 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1357
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1358 // clip with ymax
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1359 if (y1 >= y2 && y1 > axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1360 if (y2 > axisy.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1361 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1362 x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1363 y1 = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1364 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1365 else if (y2 >= y1 && y2 > axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1366 if (y1 > axisy.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1367 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1368 x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1369 y2 = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1370 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1371
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1372 // clip with xmin
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1373 if (x1 <= x2 && x1 < axisx.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1374 if (x2 < axisx.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1375 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1376 y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1377 x1 = axisx.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1378 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1379 else if (x2 <= x1 && x2 < axisx.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1380 if (x1 < axisx.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1381 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1382 y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1383 x2 = axisx.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1384 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1385
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1386 // clip with xmax
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1387 if (x1 >= x2 && x1 > axisx.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1388 if (x2 > axisx.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1389 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1390 y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1391 x1 = axisx.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1392 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1393 else if (x2 >= x1 && x2 > axisx.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1394 if (x1 > axisx.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1395 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1396 y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1397 x2 = axisx.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1398 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1399
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1400 if (drawx != axisx.p2c(x1) + xoffset || drawy != axisy.p2c(y1) + yoffset)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1401 ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1402
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1403 drawx = axisx.p2c(x2) + xoffset;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1404 drawy = axisy.p2c(y2) + yoffset;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1405 ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1406 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1407 ctx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1408 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1409
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1410 function plotLineArea(data, axisx, axisy) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1411 var prev, cur = null,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1412 bottom = Math.min(Math.max(0, axisy.min), axisy.max),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1413 top, lastX = 0, areaOpen = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1414
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1415 for (var i = 0; i < data.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1416 prev = cur;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1417 cur = data[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1418
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1419 if (areaOpen && x1 != null && x2 == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1420 // close area
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1421 ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1422 ctx.fill();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1423 areaOpen = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1424 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1425 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1426
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1427 if (prev == null || cur == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1428 if(areaOpen) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1429 ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1430 ctx.fill();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1431 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1432 areaOpen = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1433 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1434 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1435
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1436 var x1 = prev.x, y1 = prev.y,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1437 x2 = cur.x, y2 = cur.y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1438
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1439 // clip x values
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1440
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1441 // clip with xmin
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1442 if (x1 <= x2 && x1 < axisx.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1443 if (x2 < axisx.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1444 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1445 y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1446 x1 = axisx.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1447 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1448 else if (x2 <= x1 && x2 < axisx.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1449 if (x1 < axisx.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1450 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1451 y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1452 x2 = axisx.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1453 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1454
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1455 // clip with xmax
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1456 if (x1 >= x2 && x1 > axisx.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1457 if (x2 > axisx.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1458 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1459 y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1460 x1 = axisx.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1461 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1462 else if (x2 >= x1 && x2 > axisx.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1463 if (x1 > axisx.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1464 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1465 y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1466 x2 = axisx.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1467 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1468
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1469 if (!areaOpen) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1470 // open area
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1471 ctx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1472 ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1473 areaOpen = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1474 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1475
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1476 // now first check the case where both is outside
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1477 if (y1 >= axisy.max && y2 >= axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1478 ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1479 ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1480 lastX = x2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1481 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1482 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1483 else if (y1 <= axisy.min && y2 <= axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1484 ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1485 ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1486 lastX = x2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1487 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1488 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1489
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1490 // else it's a bit more complicated, there might
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1491 // be two rectangles and two triangles we need to fill
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1492 // in; to find these keep track of the current x values
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1493 var x1old = x1, x2old = x2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1494
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1495 // and clip the y values, without shortcutting
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1496
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1497 // clip with ymin
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1498 if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1499 x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1500 y1 = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1501 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1502 else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1503 x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1504 y2 = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1505 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1506
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1507 // clip with ymax
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1508 if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1509 x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1510 y1 = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1511 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1512 else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1513 x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1514 y2 = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1515 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1516
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1517
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1518 // if the x value was changed we got a rectangle
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1519 // to fill
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1520 if (x1 != x1old) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1521 if (y1 <= axisy.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1522 top = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1523 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1524 top = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1525
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1526 ctx.lineTo(axisx.p2c(x1old), axisy.p2c(top));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1527 ctx.lineTo(axisx.p2c(x1), axisy.p2c(top));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1528 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1529
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1530 // fill the triangles
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1531 ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1532 ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1533
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1534 // fill the other rectangle if it's there
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1535 if (x2 != x2old) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1536 if (y2 <= axisy.min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1537 top = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1538 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1539 top = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1540
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1541 ctx.lineTo(axisx.p2c(x2), axisy.p2c(top));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1542 ctx.lineTo(axisx.p2c(x2old), axisy.p2c(top));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1543 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1544
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1545 lastX = Math.max(x2, x2old);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1546 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1547
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1548 if (areaOpen) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1549 ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1550 ctx.fill();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1551 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1552 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1553
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1554 ctx.save();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1555 ctx.translate(plotOffset.left, plotOffset.top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1556 ctx.lineJoin = "round";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1557
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1558 var lw = series.lines.lineWidth,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1559 sw = series.shadowSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1560 // FIXME: consider another form of shadow when filling is turned on
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1561 if (lw > 0 && sw > 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1562 // draw shadow as a thick and thin line with transparency
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1563 ctx.lineWidth = sw;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1564 ctx.strokeStyle = "rgba(0,0,0,0.1)";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1565 var xoffset = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1566 plotLine(series.data, xoffset, Math.sqrt((lw/2 + sw/2)*(lw/2 + sw/2) - xoffset*xoffset), series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1567 ctx.lineWidth = sw/2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1568 plotLine(series.data, xoffset, Math.sqrt((lw/2 + sw/4)*(lw/2 + sw/4) - xoffset*xoffset), series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1569 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1570
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1571 ctx.lineWidth = lw;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1572 ctx.strokeStyle = series.color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1573 var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1574 if (fillStyle) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1575 ctx.fillStyle = fillStyle;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1576 plotLineArea(series.data, series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1577 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1578
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1579 if (lw > 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1580 plotLine(series.data, 0, 0, series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1581 ctx.restore();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1582 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1583
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1584 function drawSeriesPoints(series) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1585 function plotPoints(data, radius, fillStyle, offset, circumference, axisx, axisy) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1586 for (var i = 0; i < data.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1587 if (data[i] == null || series.dropped[i])
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1588 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1589
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1590 var x = data[i].x, y = data[i].y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1591 if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1592 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1593
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1594 ctx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1595 ctx.arc(axisx.p2c(x), axisy.p2c(y) + offset, radius, 0, circumference, true);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1596 if (fillStyle) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1597 ctx.fillStyle = fillStyle;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1598 ctx.fill();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1599 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1600 ctx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1601 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1602 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1603
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1604 ctx.save();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1605 ctx.translate(plotOffset.left, plotOffset.top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1606
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1607 var lw = series.lines.lineWidth,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1608 sw = series.shadowSize,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1609 radius = series.points.radius;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1610 if (lw > 0 && sw > 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1611 // draw shadow in two steps
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1612 var w = sw / 2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1613 ctx.lineWidth = w;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1614 ctx.strokeStyle = "rgba(0,0,0,0.1)";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1615 plotPoints(series.data, radius, null, w + w/2, 2 * Math.PI,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1616 series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1617
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1618 ctx.strokeStyle = "rgba(0,0,0,0.2)";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1619 plotPoints(series.data, radius, null, w/2, 2 * Math.PI,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1620 series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1621 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1622
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1623 ctx.lineWidth = lw;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1624 ctx.strokeStyle = series.color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1625 plotPoints(series.data, radius,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1626 getFillStyle(series.points, series.color), 0, 2 * Math.PI,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1627 series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1628 ctx.restore();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1629 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1630
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1631 function drawBar(x, y, barLeft, barRight, offset, fill, axisx, axisy, c) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1632 var drawLeft = true, drawRight = true,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1633 drawTop = true, drawBottom = false,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1634 left = x + barLeft, right = x + barRight,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1635 bottom = 0, top = y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1636
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1637 // account for negative bars
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1638 if (top < bottom) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1639 top = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1640 bottom = y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1641 drawBottom = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1642 drawTop = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1643 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1644
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1645 // clip
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1646 if (right < axisx.min || left > axisx.max ||
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1647 top < axisy.min || bottom > axisy.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1648 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1649
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1650 if (left < axisx.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1651 left = axisx.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1652 drawLeft = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1653 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1654
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1655 if (right > axisx.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1656 right = axisx.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1657 drawRight = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1658 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1659
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1660 if (bottom < axisy.min) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1661 bottom = axisy.min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1662 drawBottom = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1663 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1664
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1665 if (top > axisy.max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1666 top = axisy.max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1667 drawTop = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1668 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1669
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1670 left = axisx.p2c(left);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1671 bottom = axisy.p2c(bottom);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1672 right = axisx.p2c(right);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1673 top = axisy.p2c(top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1674
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1675 // fill the bar
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1676 if (fill) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1677 c.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1678 c.moveTo(left, bottom);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1679 c.lineTo(left, top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1680 c.lineTo(right, top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1681 c.lineTo(right, bottom);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1682 if(typeof fill === 'function') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1683 c.fillStyle = fill(bottom, top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1684 } else if(typeof fill === 'string') {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1685 c.fillStyle = fill;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1686 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1687 c.fill();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1688 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1689
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1690 // draw outline
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1691 if (drawLeft || drawRight || drawTop || drawBottom) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1692 c.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1693
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1694 // FIXME: inline moveTo is buggy with excanvas
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1695 c.moveTo(left, bottom + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1696 if (drawLeft)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1697 c.lineTo(left, top + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1698 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1699 c.moveTo(left, top + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1700 if (drawTop)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1701 c.lineTo(right, top + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1702 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1703 c.moveTo(right, top + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1704 if (drawRight)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1705 c.lineTo(right, bottom + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1706 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1707 c.moveTo(right, bottom + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1708 if (drawBottom)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1709 c.lineTo(left, bottom + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1710 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1711 c.moveTo(left, bottom + offset);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1712 c.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1713 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1714 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1715
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1716 function drawSeriesBars(series) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1717 function plotBars(data, barLeft, barRight, offset, fill, axisx, axisy) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1718
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1719 for (var i = 0; i < data.length; i++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1720 if (data[i] == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1721 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1722 drawBar(data[i].x, data[i].y, barLeft, barRight, offset, fill, axisx, axisy, ctx);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1723 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1724 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1725
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1726 ctx.save();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1727 ctx.translate(plotOffset.left, plotOffset.top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1728
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1729 // FIXME: figure out a way to add shadows (for instance along the right edge)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1730 ctx.lineWidth = series.bars.lineWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1731 ctx.strokeStyle = series.color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1732 var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1733 var fill = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1734 plotBars(series.data, barLeft, barLeft + series.bars.barWidth, 0, fill, series.xaxis, series.yaxis);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1735 ctx.restore();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1736 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1737
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1738 function getFillStyle(filloptions, seriesColor, bottom, top) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1739 var fill = filloptions.fill;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1740 if (!fill)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1741 return null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1742
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1743 if (filloptions.fillColor)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1744 return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1745
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1746 var c = parseColor(seriesColor);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1747 c.a = typeof fill == "number" ? fill : 0.4;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1748 c.normalize();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1749 return c.toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1750 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1751
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1752 function insertLegend() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1753 DOM.getElementsByClassName("legend", "div", target, DOM.removeElement);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1754
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1755 if (!options.legend.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1756 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1757
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1758 var fragments = [], rowStarted = false,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1759 lf = options.legend.labelFormatter, s, label;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1760 for (var i = 0; i < series.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1761 s = series[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1762 label = s.label;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1763 if (!label)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1764 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1765
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1766 if (i % options.legend.noColumns == 0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1767 if (rowStarted)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1768 fragments.push('</tr>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1769 fragments.push('<tr>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1770 rowStarted = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1771 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1772
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1773 if (lf)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1774 label = lf(label, s);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1775
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1776 fragments.push(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1777 '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + s.color + ';overflow:hidden"></div></div></td>' +
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1778 '<td class="legendLabel">' + label + '</td>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1779 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1780 if (rowStarted)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1781 fragments.push('</tr>');
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1782
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1783 if (fragments.length == 0)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1784 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1785
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1786 var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1787 if (options.legend.container != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1788 DOM.get(options.legend.container).innerHTML = table;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1789 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1790 var pos = "",
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1791 p = options.legend.position,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1792 m = options.legend.margin;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1793 if (m[0] == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1794 m = [m, m];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1795 if (p.charAt(0) == "n")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1796 pos += 'top:' + (m[1] + plotOffset.top) + 'px;';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1797 else if (p.charAt(0) == "s")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1798 pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1799 if (p.charAt(1) == "e")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1800 pos += 'right:' + (m[0] + plotOffset.right) + 'px;';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1801 else if (p.charAt(1) == "w")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1802 pos += 'left:' + (m[0] + plotOffset.left) + 'px;';
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1803 var legend = target.appendChild(DOM.createElementFromMarkup('<div class="legend">' + table.replace('style="', 'style="position:absolute;' + pos +';') + '</div>'));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1804 if (options.legend.backgroundOpacity != 0.0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1805 // put in the transparent background
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1806 // separately to avoid blended labels and
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1807 // label boxes
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1808 var c = options.legend.backgroundColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1809 if (c == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1810 var tmp;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1811 if (options.grid.backgroundColor && typeof options.grid.backgroundColor == "string")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1812 tmp = options.grid.backgroundColor;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1813 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1814 tmp = extractColor(legend);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1815 c = parseColor(tmp).adjust(null, null, null, 1).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1816 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1817 var div = legend.firstChild;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1818 var _el = DOM.insertBefore(
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1819 DOM.createElementFromMarkup('<div style="position:absolute;width:' + parseInt(DOM.getStyle(div, 'width'), 10)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1820 + 'px;height:' + parseInt(DOM.getStyle(div, 'height'), 10) + 'px;'
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1821 + pos +'background-color:' + c + ';"> </div>'),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1822 legend
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1823 );
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1824 DOM.setStyle(_el, 'opacity', options.legend.backgroundOpacity);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1825 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1826 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1827 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1828
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1829
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1830 // interactive features
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1831
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1832 var lastMousePos = { pageX: null, pageY: null },
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1833 selection = {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1834 first: { x: -1, y: -1}, second: { x: -1, y: -1},
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1835 show: false, active: false },
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1836 crosshair = { pos: { x: -1, y: -1 } },
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1837 highlights = [],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1838 clickIsMouseUp = false,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1839 redrawTimeout = null,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1840 hoverTimeout = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1841
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1842 // Returns the data item the mouse is over, or null if none is found
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1843 function findNearbyItem(mouseX, mouseY) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1844 var maxDistance = options.grid.mouseActiveRadius,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1845 lowestDistance = maxDistance * maxDistance + 1,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1846 item = null, foundPoint = false, j, x, y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1847
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1848 function result(i, j) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1849 return {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1850 datapoint: series[i].data[j],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1851 dataIndex: j,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1852 series: series[i],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1853 seriesIndex: i
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1854 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1855 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1856
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1857 for (var i = 0; i < series.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1858 var s = series[i],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1859 axisx = s.xaxis,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1860 axisy = s.yaxis,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1861 mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1862 my = axisy.c2p(mouseY),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1863 maxx = maxDistance / axisx.scale,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1864 maxy = maxDistance / axisy.scale;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1865
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1866 var data = s.data;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1867
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1868 if (s.lines.show || s.points.show) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1869 for (j = 0; j < data.length; j++ ) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1870 if (data[j] == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1871 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1872
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1873 x = data[j].x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1874 y = data[j].y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1875
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1876 // For points and lines, the cursor must be within a
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1877 // certain distance to the data point
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1878 if (x - mx > maxx || x - mx < -maxx ||
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1879 y - my > maxy || y - my < -maxy)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1880 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1881
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1882 // We have to calculate distances in pixels, not in
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1883 // data units, because the scales of the axes may be different
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1884 var dx = Math.abs(axisx.p2c(x) - mouseX),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1885 dy = Math.abs(axisy.p2c(y) - mouseY),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1886 dist = dx * dx + dy * dy; // no idea in taking sqrt
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1887 if (dist < lowestDistance) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1888 lowestDistance = dist;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1889 item = result(i, j);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1890 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1891 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1892 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1893
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1894 if (s.bars.show && !item) { // no other point can be nearby
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1895 var barLeft = s.bars.align == "left" ? 0 : -s.bars.barWidth/2,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1896 barRight = barLeft + s.bars.barWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1897
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1898 for (j = 0; j < data.length; j++) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1899 x = data[j].x;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1900 y = data[j].y;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1901 if (x == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1902 continue;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1903
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1904 // for a bar graph, the cursor must be inside the bar
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1905 if ((mx >= x + barLeft && mx <= x + barRight &&
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1906 my >= Math.min(0, y) && my <= Math.max(0, y)))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1907 item = result(i, j);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1908 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1909 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1910 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1911
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1912 return item;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1913 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1914
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1915 function onMouseMove(e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1916 lastMousePos.pageX = E.getPageX(e);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1917 lastMousePos.pageY = E.getPageY(e);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1918
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1919 if (options.grid.hoverable)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1920 triggerClickHoverEvent("plothover", lastMousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1921
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1922 if (options.crosshair.mode != null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1923 if (!selection.active) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1924 setPositionFromEvent(crosshair.pos, lastMousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1925 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1926 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1927 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1928 crosshair.pos.x = -1; // hide the crosshair while selecting
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1929 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1930
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1931 if (selection.active) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1932 updateSelection(lastMousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1933 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1934 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1935
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1936 function onMouseDown(e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1937 var button = e.which || e.button;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1938 if (button != 1) // only accept left-click
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1939 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1940
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1941 // cancel out any text selections
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1942 document.body.focus();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1943
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1944 // prevent text selection and drag in old-school browsers
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1945 if (document.onselectstart !== undefined && workarounds.onselectstart == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1946 workarounds.onselectstart = document.onselectstart;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1947 document.onselectstart = function () { return false; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1948 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1949 if (document.ondrag !== undefined && workarounds.ondrag == null) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1950 workarounds.ondrag = document.ondrag;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1951 document.ondrag = function () { return false; };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1952 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1953
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1954 var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1955 setSelectionPos(selection.first, mousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1956
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1957 lastMousePos.pageX = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1958 selection.active = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1959 E.on(document, "mouseup", onSelectionMouseUp);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1960 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1961
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1962 function onMouseOut(e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1963 if (options.crosshair.mode != null && crosshair.pos.x != -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1964 crosshair.pos.x = -1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1965 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1966 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1967 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1968
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1969 function onClick(e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1970 if (clickIsMouseUp) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1971 clickIsMouseUp = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1972 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1973 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1974
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1975 var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1976 triggerClickHoverEvent("plotclick", mousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1977 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1978
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1979 // trigger click or hover event (they send the same parameters
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1980 // so we share their code)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1981 function triggerClickHoverEvent(eventname, event) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1982 var offset = DOM.getXY(eventHolder[0]),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1983 pos = { pageX: event.pageX, pageY: event.pageY },
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1984 canvasX = event.pageX - offset[0] - plotOffset.left,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1985 canvasY = event.pageY - offset[1] - plotOffset.top;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1986
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1987 for(var axis in axes)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1988 if(axes[axis].used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1989 pos[axis.replace(/axis$/, '')] = axes[axis].c2p(axis.charAt(0) == 'x' ? canvasX : canvasY);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1990
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1991 var item = findNearbyItem(canvasX, canvasY);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1992
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1993 if (item) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1994 // fill in mouse pos for any listeners out there
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1995 item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint.x) + offset[0] + plotOffset.left, 10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1996 item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint.y) + offset[1] + plotOffset.top, 10);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1997 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1998
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
1999 if (options.grid.autoHighlight) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2000 // clear auto-highlights
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2001 for (var i = 0; i < highlights.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2002 var h = highlights[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2003 if (h.auto == eventname &&
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2004 !(item && h.series == item.series && h.point == item.datapoint))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2005 unhighlight(h.series, h.point);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2006 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2007
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2008 if (item)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2009 highlight(item.series, item.datapoint, eventname);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2010 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2011
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2012 plot.fireEvent(eventname, {pos: pos, item: item });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2013 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2014
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2015 function triggerRedrawOverlay() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2016 if (!redrawTimeout)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2017 redrawTimeout = setTimeout(redrawOverlay, 30);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2018 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2019
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2020 function redrawOverlay() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2021 redrawTimeout = null;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2022
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2023 // redraw highlights
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2024 octx.save();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2025 octx.clearRect(0, 0, canvasWidth, canvasHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2026 octx.translate(plotOffset.left, plotOffset.top);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2027
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2028 var hi;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2029 for (var i = 0; i < highlights.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2030 hi = highlights[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2031
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2032 if (hi.series.bars.show)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2033 drawBarHighlight(hi.series, hi.point);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2034 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2035 drawPointHighlight(hi.series, hi.point);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2036 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2037
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2038 // redraw selection
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2039 if (selection.show && selectionIsSane()) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2040 octx.strokeStyle = parseColor(options.selection.color).scale(null, null, null, 0.8).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2041 octx.lineWidth = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2042 ctx.lineJoin = "round";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2043 octx.fillStyle = parseColor(options.selection.color).scale(null, null, null, 0.4).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2044
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2045 var x = Math.min(selection.first.x, selection.second.x),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2046 y = Math.min(selection.first.y, selection.second.y),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2047 w = Math.abs(selection.second.x - selection.first.x),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2048 h = Math.abs(selection.second.y - selection.first.y);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2049
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2050 octx.fillRect(x, y, w, h);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2051 octx.strokeRect(x, y, w, h);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2052 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2053
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2054 // redraw crosshair
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2055 var pos = crosshair.pos, mode = options.crosshair.mode;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2056 if (mode != null && pos.x != -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2057 octx.strokeStyle = parseColor(options.crosshair.color).scale(null, null, null, 0.8).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2058 octx.lineWidth = 1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2059 ctx.lineJoin = "round";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2060
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2061 octx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2062 if (mode.indexOf("x") != -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2063 octx.moveTo(pos.x, 0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2064 octx.lineTo(pos.x, plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2065 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2066 if (mode.indexOf("y") != -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2067 octx.moveTo(0, pos.y);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2068 octx.lineTo(plotWidth, pos.y);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2069 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2070 octx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2071
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2072 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2073 octx.restore();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2074 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2075
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2076 function highlight(s, point, auto) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2077 if (typeof s == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2078 s = series[s];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2079
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2080 if (typeof point == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2081 point = s.data[point];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2082
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2083 var i = indexOfHighlight(s, point);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2084 if (i == -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2085 highlights.push({ series: s, point: point, auto: auto });
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2086
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2087 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2088 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2089 else if (!auto)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2090 highlights[i].auto = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2091 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2092
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2093 function unhighlight(s, point) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2094 if (typeof s == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2095 s = series[s];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2096
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2097 if (typeof point == "number")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2098 point = s.data[point];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2099
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2100 var i = indexOfHighlight(s, point);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2101 if (i != -1) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2102 highlights.splice(i, 1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2103
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2104 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2105 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2106 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2107
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2108 function indexOfHighlight(s, p) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2109 for (var i = 0; i < highlights.length; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2110 var h = highlights[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2111 if (h.series == s && h.point[0] == p[0]
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2112 && h.point[1] == p[1])
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2113 return i;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2114 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2115 return -1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2116 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2117
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2118 function drawPointHighlight(series, point) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2119 var x = point.x, y = point.y,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2120 axisx = series.xaxis, axisy = series.yaxis;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2121
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2122 if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2123 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2124
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2125 var pointRadius = series.points.radius + series.points.lineWidth / 2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2126 octx.lineWidth = pointRadius;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2127 octx.strokeStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2128 var radius = 1.5 * pointRadius;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2129 octx.beginPath();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2130 octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, true);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2131 octx.stroke();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2132 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2133
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2134 function drawBarHighlight(series, point) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2135 octx.lineJoin = "round";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2136 octx.lineWidth = series.bars.lineWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2137 octx.strokeStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2138 var fillStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2139 var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2140 drawBar(point.x, point.y, barLeft, barLeft + series.bars.barWidth,
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2141 0, function () { return fillStyle; }, series.xaxis, series.yaxis, octx);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2142 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2143
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2144 function setPositionFromEvent(pos, e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2145 var offset = DOM.getXY(eventHolder[0]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2146 pos.x = clamp(0, e.pageX - offset[0] - plotOffset.left, plotWidth);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2147 pos.y = clamp(0, e.pageY - offset[1] - plotOffset.top, plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2148 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2149
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2150 function setCrosshair(pos) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2151 if (pos == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2152 crosshair.pos.x = -1;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2153 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2154 crosshair.pos.x = clamp(0, pos.x != null ? axes.xaxis.p2c(pos.x) : axes.x2axis.p2c(pos.x2), plotWidth);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2155 crosshair.pos.y = clamp(0, pos.y != null ? axes.yaxis.p2c(pos.y) : axes.y2axis.p2c(pos.y2), plotHeight);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2156 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2157 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2158 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2159
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2160 function getSelectionForEvent() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2161 var x1 = Math.min(selection.first.x, selection.second.x),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2162 x2 = Math.max(selection.first.x, selection.second.x),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2163 y1 = Math.max(selection.first.y, selection.second.y),
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2164 y2 = Math.min(selection.first.y, selection.second.y);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2165
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2166 var r = {};
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2167 if (axes.xaxis.used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2168 r.xaxis = { from: axes.xaxis.c2p(x1), to: axes.xaxis.c2p(x2) };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2169 if (axes.x2axis.used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2170 r.x2axis = { from: axes.x2axis.c2p(x1), to: axes.x2axis.c2p(x2) };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2171 if (axes.yaxis.used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2172 r.yaxis = { from: axes.yaxis.c2p(y1), to: axes.yaxis.c2p(y2) };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2173 if (axes.y2axis.used)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2174 r.y2axis = { from: axes.y2axis.c2p(y1), to: axes.y2axis.c2p(y2) };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2175 return r;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2176 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2177
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2178 function triggerSelectedEvent() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2179 var r = getSelectionForEvent();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2180
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2181 plot.fireEvent("plotselected", r);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2182 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2183
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2184 function onSelectionMouseUp(e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2185 // revert drag stuff for old-school browsers
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2186 if (document.onselectstart !== undefined)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2187 document.onselectstart = workarounds.onselectstart;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2188 if (document.ondrag !== undefined)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2189 document.ondrag = workarounds.ondrag;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2190
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2191 // no more draggy-dee-drag
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2192 selection.active = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2193 var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2194 updateSelection(mousePos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2195
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2196 if (selectionIsSane()) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2197 triggerSelectedEvent();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2198 clickIsMouseUp = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2199 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2200 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2201 // this counts as a clear
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2202 plot.fireEvent("plotunselected", {});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2203 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2204
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2205 E.removeListener(document, "mouseup", onSelectionMouseUp);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2206 return false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2207 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2208
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2209 function setSelectionPos(pos, e) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2210 setPositionFromEvent(pos, e);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2211
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2212 if (options.selection.mode == "y") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2213 if (pos == selection.first)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2214 pos.x = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2215 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2216 pos.x = plotWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2217 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2218
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2219 if (options.selection.mode == "x") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2220 if (pos == selection.first)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2221 pos.y = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2222 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2223 pos.y = plotHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2224 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2225 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2226
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2227 function updateSelection(pos) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2228 if (pos.pageX == null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2229 return;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2230
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2231 setSelectionPos(selection.second, pos);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2232 if (selectionIsSane()) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2233 selection.show = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2234 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2235 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2236 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2237 clearSelection(true);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2238 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2239
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2240 function clearSelection(preventEvent) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2241 if (selection.show) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2242 selection.show = false;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2243 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2244 if (!preventEvent)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2245 plot.fireEvent("plotunselected", {});
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2246 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2247 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2248
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2249 function setSelection(ranges, preventEvent) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2250 var range;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2251
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2252 if (options.selection.mode == "y") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2253 selection.first.x = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2254 selection.second.x = plotWidth;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2255 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2256 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2257 range = extractRange(ranges, "x");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2258
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2259 selection.first.x = range.axis.p2c(range.from);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2260 selection.second.x = range.axis.p2c(range.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2261 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2262
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2263 if (options.selection.mode == "x") {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2264 selection.first.y = 0;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2265 selection.second.y = plotHeight;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2266 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2267 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2268 range = extractRange(ranges, "y");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2269
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2270 selection.first.y = range.axis.p2c(range.from);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2271 selection.second.y = range.axis.p2c(range.to);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2272 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2273
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2274 selection.show = true;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2275 triggerRedrawOverlay();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2276 if (!preventEvent)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2277 triggerSelectedEvent();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2278 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2279
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2280 function selectionIsSane() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2281 var minSize = 5;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2282 return Math.abs(selection.second.x - selection.first.x) >= minSize &&
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2283 Math.abs(selection.second.y - selection.first.y) >= minSize;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2284 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2285
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2286 function getColorOrGradient(spec, bottom, top, defaultColor) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2287 if (typeof spec == "string")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2288 return spec;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2289 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2290 // assume this is a gradient spec; IE currently only
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2291 // supports a simple vertical gradient properly, so that's
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2292 // what we support too
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2293 var gradient = ctx.createLinearGradient(0, top, 0, bottom);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2294
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2295 for (var i = 0, l = spec.colors.length; i < l; ++i) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2296 var c = spec.colors[i];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2297 gradient.addColorStop(i / (l - 1), typeof c == "string" ? c : parseColor(defaultColor).scale(c.brightness, c.brightness, c.brightness, c.opacity));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2298 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2299
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2300 return gradient;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2301 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2302 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2303 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2304
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2305 L.augment(Plot, YAHOO.util.EventProvider);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2306
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2307 YAHOO.widget.Flot = function(target, data, options) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2308 return new Plot(target, data, options);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2309 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2310
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2311 // round to nearby lower multiple of base
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2312 function floorInBase(n, base) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2313 return base * Math.floor(n / base);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2314 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2315
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2316 function clamp(min, value, max) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2317 if (value < min)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2318 return min;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2319 else if (value > max)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2320 return max;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2321 else
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2322 return value;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2323 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2324
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2325 // color helpers, inspiration from the jquery color animation
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2326 // plugin by John Resig
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2327 function Color (r, g, b, a) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2328
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2329 var rgba = ['r','g','b','a'];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2330 var x = 4; //rgba.length
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2331
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2332 while (-1<--x) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2333 this[rgba[x]] = arguments[x] || ((x==3) ? 1.0 : 0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2334 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2335
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2336 this.toString = function() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2337 if (this.a >= 1.0) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2338 return "rgb("+[this.r,this.g,this.b].join(",")+")";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2339 } else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2340 return "rgba("+[this.r,this.g,this.b,this.a].join(",")+")";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2341 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2342 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2343
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2344 this.scale = function(rf, gf, bf, af) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2345 x = 4; //rgba.length
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2346 while (-1<--x) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2347 if (arguments[x] != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2348 this[rgba[x]] *= arguments[x];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2349 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2350 return this.normalize();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2351 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2352
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2353 this.adjust = function(rd, gd, bd, ad) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2354 x = 4; //rgba.length
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2355 while (-1<--x) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2356 if (arguments[x] != null)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2357 this[rgba[x]] += arguments[x];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2358 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2359 return this.normalize();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2360 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2361
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2362 this.clone = function() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2363 return new Color(this.r, this.b, this.g, this.a);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2364 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2365
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2366 var limit = function(val,minVal,maxVal) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2367 return Math.max(Math.min(val, maxVal), minVal);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2368 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2369
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2370 this.normalize = function() {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2371 this.r = clamp(0, parseInt(this.r, 10), 255);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2372 this.g = clamp(0, parseInt(this.g, 10), 255);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2373 this.b = clamp(0, parseInt(this.b, 10), 255);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2374 this.a = clamp(0, this.a, 1);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2375 return this;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2376 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2377
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2378 this.normalize();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2379 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2380
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2381 var lookupColors = {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2382 aqua:[0,255,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2383 azure:[240,255,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2384 beige:[245,245,220],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2385 black:[0,0,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2386 blue:[0,0,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2387 brown:[165,42,42],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2388 cyan:[0,255,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2389 darkblue:[0,0,139],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2390 darkcyan:[0,139,139],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2391 darkgrey:[169,169,169],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2392 darkgreen:[0,100,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2393 darkkhaki:[189,183,107],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2394 darkmagenta:[139,0,139],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2395 darkolivegreen:[85,107,47],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2396 darkorange:[255,140,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2397 darkorchid:[153,50,204],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2398 darkred:[139,0,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2399 darksalmon:[233,150,122],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2400 darkviolet:[148,0,211],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2401 fuchsia:[255,0,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2402 gold:[255,215,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2403 green:[0,128,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2404 indigo:[75,0,130],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2405 khaki:[240,230,140],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2406 lightblue:[173,216,230],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2407 lightcyan:[224,255,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2408 lightgreen:[144,238,144],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2409 lightgrey:[211,211,211],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2410 lightpink:[255,182,193],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2411 lightyellow:[255,255,224],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2412 lime:[0,255,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2413 magenta:[255,0,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2414 maroon:[128,0,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2415 navy:[0,0,128],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2416 olive:[128,128,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2417 orange:[255,165,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2418 pink:[255,192,203],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2419 purple:[128,0,128],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2420 violet:[128,0,128],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2421 red:[255,0,0],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2422 silver:[192,192,192],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2423 white:[255,255,255],
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2424 yellow:[255,255,0]
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2425 };
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2426
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2427 function extractColor(element) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2428 var color, elem = element;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2429 do {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2430 color = DOM.getStyle(elem, 'backgroundColor').toLowerCase();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2431 // keep going until we find an element that has color, or
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2432 // we hit the body
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2433 if (color != '' && color != 'transparent')
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2434 break;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2435 elem = elem.parentNode;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2436 } while (!elem.nodeName == "body");
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2437
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2438 // catch Safari's way of signalling transparent
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2439 if (color == "rgba(0, 0, 0, 0)")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2440 return "transparent";
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2441
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2442 return color;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2443 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2444
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2445 // parse string, returns Color
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2446 function parseColor(str) {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2447 var result;
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2448
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2449 // Look for rgb(num,num,num)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2450 if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2451 return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2452
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2453 // Look for rgba(num,num,num,num)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2454 if (result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2455 return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4]));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2456
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2457 // Look for rgb(num%,num%,num%)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2458 if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2459 return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2460
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2461 // Look for rgba(num%,num%,num%,num)
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2462 if (result = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2463 return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55, parseFloat(result[4]));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2464
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2465 // Look for #a0b1c2
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2466 if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2467 return new Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2468
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2469 // Look for #fff
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2470 if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2471 return new Color(parseInt(result[1]+result[1], 16), parseInt(result[2]+result[2], 16), parseInt(result[3]+result[3], 16));
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2472
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2473 // Otherwise, we're most likely dealing with a named color
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2474 var name = L.trim(str).toLowerCase();
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2475 if (name == "transparent")
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2476 return new Color(255, 255, 255, 0);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2477 else {
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2478 result = lookupColors[name];
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2479 return new Color(result[0], result[1], result[2]);
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2480 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2481 }
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2482
|
Marcin Kuzminski <marcin@python-works.com>
parents:
diff
changeset
|
2483 })();
|