| [483] | 1 | define(["dojo/_base/lang", "dojo/_base/declare", "dojo/_base/array", "dojo/has", |
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| 2 | "./CartesianBase", "./_PlotEvents", "./common", "dojox/lang/functional", "dojox/lang/functional/reversed", "dojox/lang/utils", "dojox/gfx/fx"], |
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| 3 | function(lang, declare, arr, has, CartesianBase, _PlotEvents, dc, df, dfr, du, fx){ |
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| 4 | |
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| 5 | /*===== |
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| 6 | declare("dojox.charting.plot2d.__DefaultCtorArgs", dojox.charting.plot2d.__CartesianCtorArgs, { |
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| 7 | // summary: |
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| 8 | // The arguments used for any/most plots. |
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| 9 | |
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| 10 | // lines: Boolean? |
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| 11 | // Whether or not to draw lines on this plot. Defaults to true. |
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| 12 | lines: true, |
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| 13 | |
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| 14 | // areas: Boolean? |
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| 15 | // Whether or not to draw areas on this plot. Defaults to false. |
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| 16 | areas: false, |
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| 17 | |
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| 18 | // markers: Boolean? |
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| 19 | // Whether or not to draw markers at data points on this plot. Default is false. |
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| 20 | markers: false, |
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| 21 | |
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| 22 | // tension: Number|String? |
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| 23 | // Whether or not to apply 'tensioning' to the lines on this chart. |
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| 24 | // Options include a number, "X", "x", or "S"; if a number is used, the |
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| 25 | // simpler bezier curve calculations are used to draw the lines. If X, x or S |
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| 26 | // is used, the more accurate smoothing algorithm is used. |
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| 27 | tension: "", |
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| 28 | |
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| 29 | // animate: Boolean?|Number? |
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| 30 | // Whether or not to animate the chart to place. When a Number it specifies the duration of the animation. |
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| 31 | // Default is false. |
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| 32 | animate: false, |
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| 33 | |
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| 34 | // stroke: dojox.gfx.Stroke? |
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| 35 | // An optional stroke to use for any series on the plot. |
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| 36 | stroke: {}, |
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| 37 | |
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| 38 | // outline: dojox.gfx.Stroke? |
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| 39 | // An optional stroke used to outline any series on the plot. |
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| 40 | outline: {}, |
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| 41 | |
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| 42 | // shadow: dojox.gfx.Stroke? |
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| 43 | // An optional stroke to use to draw any shadows for a series on a plot. |
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| 44 | shadow: {}, |
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| 45 | |
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| 46 | // fill: dojox.gfx.Fill? |
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| 47 | // Any fill to be used for elements on the plot (such as areas). |
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| 48 | fill: {}, |
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| 49 | |
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| 50 | // filter: dojox.gfx.Filter? |
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| 51 | // An SVG filter to be used for elements on the plot. gfx SVG renderer must be used and dojox/gfx/svgext must |
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| 52 | // be required for this to work. |
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| 53 | filter: {}, |
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| 54 | |
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| 55 | // styleFunc: Function? |
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| 56 | // A function that returns a styling object for the a given data item. |
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| 57 | styleFunc: null, |
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| 58 | |
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| 59 | // font: String? |
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| 60 | // A font definition to be used for labels and other text-based elements on the plot. |
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| 61 | font: "", |
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| 62 | |
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| 63 | // fontColor: String|dojo.Color? |
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| 64 | // The color to be used for any text-based elements on the plot. |
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| 65 | fontColor: "", |
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| 66 | |
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| 67 | // markerStroke: dojo.gfx.Stroke? |
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| 68 | // An optional stroke to use for any markers on the plot. |
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| 69 | markerStroke: {}, |
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| 70 | |
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| 71 | // markerOutline: dojo.gfx.Stroke? |
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| 72 | // An optional outline to use for any markers on the plot. |
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| 73 | markerOutline: {}, |
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| 74 | |
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| 75 | // markerShadow: dojo.gfx.Stroke? |
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| 76 | // An optional shadow to use for any markers on the plot. |
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| 77 | markerShadow: {}, |
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| 78 | |
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| 79 | // markerFill: dojo.gfx.Fill? |
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| 80 | // An optional fill to use for any markers on the plot. |
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| 81 | markerFill: {}, |
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| 82 | |
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| 83 | // markerFont: String? |
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| 84 | // An optional font definition to use for any markers on the plot. |
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| 85 | markerFont: "", |
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| 86 | |
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| 87 | // markerFontColor: String|dojo.Color? |
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| 88 | // An optional color to use for any marker text on the plot. |
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| 89 | markerFontColor: "", |
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| 90 | |
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| 91 | // enableCache: Boolean? |
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| 92 | // Whether the markers are cached from one rendering to another. This improves the rendering performance of |
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| 93 | // successive rendering but penalize the first rendering. Default false. |
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| 94 | enableCache: false, |
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| 95 | |
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| 96 | // interpolate: Boolean? |
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| 97 | // Whether when there is a null data point in the data the plot interpolates it or if the lines is split at that |
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| 98 | // point. Default false. |
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| 99 | interpolate: false |
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| 100 | }); |
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| 101 | =====*/ |
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| 102 | |
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| 103 | var purgeGroup = dfr.lambda("item.purgeGroup()"); |
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| 104 | |
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| 105 | var DEFAULT_ANIMATION_LENGTH = 1200; // in ms |
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| 106 | |
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| 107 | return declare("dojox.charting.plot2d.Default", [CartesianBase, _PlotEvents], { |
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| 108 | |
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| 109 | // defaultParams: |
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| 110 | // The default parameters of this plot. |
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| 111 | defaultParams: { |
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| 112 | lines: true, // draw lines |
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| 113 | areas: false, // draw areas |
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| 114 | markers: false, // draw markers |
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| 115 | tension: "", // draw curved lines (tension is "X", "x", or "S") |
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| 116 | animate: false, // animate chart to place |
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| 117 | enableCache: false, |
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| 118 | interpolate: false |
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| 119 | }, |
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| 120 | |
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| 121 | // optionalParams: |
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| 122 | // The optional parameters of this plot. |
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| 123 | optionalParams: { |
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| 124 | // theme component |
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| 125 | stroke: {}, |
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| 126 | outline: {}, |
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| 127 | shadow: {}, |
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| 128 | fill: {}, |
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| 129 | filter: {}, |
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| 130 | styleFunc: null, |
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| 131 | font: "", |
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| 132 | fontColor: "", |
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| 133 | marker: "", |
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| 134 | markerStroke: {}, |
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| 135 | markerOutline: {}, |
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| 136 | markerShadow: {}, |
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| 137 | markerFill: {}, |
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| 138 | markerFont: "", |
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| 139 | markerFontColor: "" |
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| 140 | }, |
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| 141 | |
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| 142 | constructor: function(chart, kwArgs){ |
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| 143 | // summary: |
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| 144 | // Return a new plot. |
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| 145 | // chart: dojox/charting/Chart |
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| 146 | // The chart this plot belongs to. |
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| 147 | // kwArgs: dojox.charting.plot2d.__DefaultCtorArgs? |
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| 148 | // An optional arguments object to help define this plot. |
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| 149 | this.opt = lang.clone(lang.mixin(this.opt, this.defaultParams)); |
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| 150 | du.updateWithObject(this.opt, kwArgs); |
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| 151 | du.updateWithPattern(this.opt, kwArgs, this.optionalParams); |
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| 152 | // animation properties |
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| 153 | this.animate = this.opt.animate; |
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| 154 | }, |
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| 155 | |
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| 156 | createPath: function(run, creator, params){ |
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| 157 | var path; |
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| 158 | if(this.opt.enableCache && run._pathFreePool.length > 0){ |
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| 159 | path = run._pathFreePool.pop(); |
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| 160 | path.setShape(params); |
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| 161 | // was cleared, add it back |
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| 162 | creator.add(path); |
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| 163 | }else{ |
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| 164 | path = creator.createPath(params); |
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| 165 | } |
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| 166 | if(this.opt.enableCache){ |
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| 167 | run._pathUsePool.push(path); |
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| 168 | } |
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| 169 | return path; |
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| 170 | }, |
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| 171 | |
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| 172 | buildSegments: function(i, indexed){ |
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| 173 | var run = this.series[i], |
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| 174 | min = indexed?Math.max(0, Math.floor(this._hScaler.bounds.from - 1)):0, |
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| 175 | max = indexed?Math.min(run.data.length, Math.ceil(this._hScaler.bounds.to)):run.data.length, |
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| 176 | rseg = null, segments = []; |
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| 177 | |
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| 178 | // split the run data into dense segments (each containing no nulls) |
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| 179 | // except if interpolates is false in which case ignore null between valid data |
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| 180 | for(var j = min; j < max; j++){ |
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| 181 | if(run.data[j] != null && (indexed || run.data[j].y != null)){ |
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| 182 | if(!rseg){ |
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| 183 | rseg = []; |
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| 184 | segments.push({index: j, rseg: rseg}); |
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| 185 | } |
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| 186 | rseg.push((indexed && run.data[j].hasOwnProperty("y"))?run.data[j].y:run.data[j]); |
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| 187 | }else{ |
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| 188 | if(!this.opt.interpolate || indexed){ |
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| 189 | // we break the line only if not interpolating or if we have indexed data |
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| 190 | rseg = null; |
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| 191 | } |
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| 192 | } |
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| 193 | } |
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| 194 | return segments; |
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| 195 | }, |
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| 196 | |
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| 197 | render: function(dim, offsets){ |
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| 198 | // summary: |
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| 199 | // Render/draw everything on this plot. |
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| 200 | // dim: Object |
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| 201 | // An object of the form { width, height } |
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| 202 | // offsets: Object |
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| 203 | // An object of the form { l, r, t, b } |
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| 204 | // returns: dojox/charting/plot2d/Default |
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| 205 | // A reference to this plot for functional chaining. |
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| 206 | |
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| 207 | // make sure all the series is not modified |
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| 208 | if(this.zoom && !this.isDataDirty()){ |
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| 209 | return this.performZoom(dim, offsets); |
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| 210 | } |
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| 211 | |
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| 212 | this.resetEvents(); |
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| 213 | this.dirty = this.isDirty(); |
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| 214 | var s; |
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| 215 | if(this.dirty){ |
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| 216 | arr.forEach(this.series, purgeGroup); |
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| 217 | this._eventSeries = {}; |
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| 218 | this.cleanGroup(); |
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| 219 | this.getGroup().setTransform(null); |
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| 220 | s = this.getGroup(); |
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| 221 | df.forEachRev(this.series, function(item){ item.cleanGroup(s); }); |
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| 222 | } |
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| 223 | var t = this.chart.theme, stroke, outline, events = this.events(); |
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| 224 | |
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| 225 | for(var i = this.series.length - 1; i >= 0; --i){ |
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| 226 | var run = this.series[i]; |
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| 227 | if(!this.dirty && !run.dirty){ |
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| 228 | t.skip(); |
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| 229 | this._reconnectEvents(run.name); |
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| 230 | continue; |
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| 231 | } |
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| 232 | run.cleanGroup(); |
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| 233 | if(this.opt.enableCache){ |
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| 234 | run._pathFreePool = (run._pathFreePool?run._pathFreePool:[]).concat(run._pathUsePool?run._pathUsePool:[]); |
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| 235 | run._pathUsePool = []; |
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| 236 | } |
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| 237 | if(!run.data.length){ |
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| 238 | run.dirty = false; |
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| 239 | t.skip(); |
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| 240 | continue; |
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| 241 | } |
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| 242 | |
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| 243 | var theme = t.next(this.opt.areas ? "area" : "line", [this.opt, run], true), |
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| 244 | lpoly, |
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| 245 | ht = this._hScaler.scaler.getTransformerFromModel(this._hScaler), |
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| 246 | vt = this._vScaler.scaler.getTransformerFromModel(this._vScaler), |
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| 247 | eventSeries = this._eventSeries[run.name] = new Array(run.data.length); |
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| 248 | |
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| 249 | s = run.group; |
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| 250 | |
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| 251 | // optim works only for index based case |
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| 252 | var indexed = arr.some(run.data, function(item){ |
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| 253 | return typeof item == "number" || (item && !item.hasOwnProperty("x")); |
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| 254 | }); |
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| 255 | |
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| 256 | var rsegments = this.buildSegments(i, indexed); |
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| 257 | for(var seg = 0; seg < rsegments.length; seg++){ |
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| 258 | var rsegment = rsegments[seg]; |
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| 259 | if(indexed){ |
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| 260 | lpoly = arr.map(rsegment.rseg, function(v, i){ |
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| 261 | return { |
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| 262 | x: ht(i + rsegment.index + 1) + offsets.l, |
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| 263 | y: dim.height - offsets.b - vt(v), |
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| 264 | data: v |
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| 265 | }; |
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| 266 | }, this); |
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| 267 | }else{ |
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| 268 | lpoly = arr.map(rsegment.rseg, function(v){ |
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| 269 | return { |
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| 270 | x: ht(v.x) + offsets.l, |
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| 271 | y: dim.height - offsets.b - vt(v.y), |
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| 272 | data: v |
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| 273 | }; |
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| 274 | }, this); |
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| 275 | } |
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| 276 | |
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| 277 | // if we are indexed & we interpolate we need to put all the segments as a single one now |
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| 278 | if(indexed && this.opt.interpolate){ |
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| 279 | while(seg < rsegments.length) { |
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| 280 | seg++; |
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| 281 | rsegment = rsegments[seg]; |
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| 282 | if(rsegment){ |
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| 283 | lpoly = lpoly.concat(arr.map(rsegment.rseg, function(v, i){ |
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| 284 | return { |
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| 285 | x: ht(i + rsegment.index + 1) + offsets.l, |
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| 286 | y: dim.height - offsets.b - vt(v), |
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| 287 | data: v |
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| 288 | }; |
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| 289 | }, this)); |
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| 290 | } |
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| 291 | } |
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| 292 | } |
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| 293 | |
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| 294 | var lpath = this.opt.tension ? dc.curve(lpoly, this.opt.tension) : ""; |
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| 295 | |
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| 296 | if(this.opt.areas && lpoly.length > 1){ |
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| 297 | var fill = this._plotFill(theme.series.fill, dim, offsets), apoly = lang.clone(lpoly); |
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| 298 | if(this.opt.tension){ |
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| 299 | var apath = "L" + apoly[apoly.length-1].x + "," + (dim.height - offsets.b) + |
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| 300 | " L" + apoly[0].x + "," + (dim.height - offsets.b) + |
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| 301 | " L" + apoly[0].x + "," + apoly[0].y; |
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| 302 | run.dyn.fill = s.createPath(lpath + " " + apath).setFill(fill).getFill(); |
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| 303 | } else { |
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| 304 | apoly.push({x: lpoly[lpoly.length - 1].x, y: dim.height - offsets.b}); |
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| 305 | apoly.push({x: lpoly[0].x, y: dim.height - offsets.b}); |
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| 306 | apoly.push(lpoly[0]); |
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| 307 | run.dyn.fill = s.createPolyline(apoly).setFill(fill).getFill(); |
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| 308 | } |
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| 309 | } |
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| 310 | if(this.opt.lines || this.opt.markers){ |
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| 311 | // need a stroke |
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| 312 | stroke = theme.series.stroke; |
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| 313 | if(theme.series.outline){ |
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| 314 | outline = run.dyn.outline = dc.makeStroke(theme.series.outline); |
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| 315 | outline.width = 2 * outline.width + stroke.width; |
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| 316 | } |
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| 317 | } |
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| 318 | if(this.opt.markers){ |
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| 319 | run.dyn.marker = theme.symbol; |
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| 320 | } |
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| 321 | var frontMarkers = null, outlineMarkers = null, shadowMarkers = null; |
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| 322 | if(stroke && theme.series.shadow && lpoly.length > 1){ |
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| 323 | var shadow = theme.series.shadow, |
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| 324 | spoly = arr.map(lpoly, function(c){ |
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| 325 | return {x: c.x + shadow.dx, y: c.y + shadow.dy}; |
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| 326 | }); |
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| 327 | if(this.opt.lines){ |
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| 328 | if(this.opt.tension){ |
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| 329 | run.dyn.shadow = s.createPath(dc.curve(spoly, this.opt.tension)).setStroke(shadow).getStroke(); |
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| 330 | } else { |
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| 331 | run.dyn.shadow = s.createPolyline(spoly).setStroke(shadow).getStroke(); |
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| 332 | } |
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| 333 | } |
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| 334 | if(this.opt.markers && theme.marker.shadow){ |
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| 335 | shadow = theme.marker.shadow; |
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| 336 | shadowMarkers = arr.map(spoly, function(c){ |
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| 337 | return this.createPath(run, s, "M" + c.x + " " + c.y + " " + theme.symbol). |
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| 338 | setStroke(shadow).setFill(shadow.color); |
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| 339 | }, this); |
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| 340 | } |
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| 341 | } |
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| 342 | if(this.opt.lines && lpoly.length > 1){ |
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| 343 | var shape; |
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| 344 | if(outline){ |
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| 345 | if(this.opt.tension){ |
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| 346 | run.dyn.outline = s.createPath(lpath).setStroke(outline).getStroke(); |
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| 347 | } else { |
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| 348 | run.dyn.outline = s.createPolyline(lpoly).setStroke(outline).getStroke(); |
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| 349 | } |
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| 350 | } |
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| 351 | if(this.opt.tension){ |
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| 352 | run.dyn.stroke = (shape = s.createPath(lpath)).setStroke(stroke).getStroke(); |
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| 353 | } else { |
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| 354 | run.dyn.stroke = (shape = s.createPolyline(lpoly)).setStroke(stroke).getStroke(); |
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| 355 | } |
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| 356 | if(shape.setFilter && theme.series.filter){ |
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| 357 | shape.setFilter(theme.series.filter); |
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| 358 | } |
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| 359 | } |
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| 360 | var markerBox = null; |
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| 361 | if(this.opt.markers){ |
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| 362 | var markerTheme = theme; |
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| 363 | frontMarkers = new Array(lpoly.length); |
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| 364 | outlineMarkers = new Array(lpoly.length); |
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| 365 | outline = null; |
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| 366 | if(markerTheme.marker.outline){ |
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| 367 | outline = dc.makeStroke(markerTheme.marker.outline); |
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| 368 | outline.width = 2 * outline.width + (markerTheme.marker.stroke ? markerTheme.marker.stroke.width : 0); |
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| 369 | } |
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| 370 | arr.forEach(lpoly, function(c, i){ |
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| 371 | if(this.opt.styleFunc || typeof c.data != "number"){ |
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| 372 | var tMixin = typeof c.data != "number" ? [c.data] : []; |
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| 373 | if(this.opt.styleFunc){ |
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| 374 | tMixin.push(this.opt.styleFunc(c.data)); |
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| 375 | } |
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| 376 | markerTheme = t.addMixin(theme, "marker", tMixin, true); |
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| 377 | }else{ |
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| 378 | markerTheme = t.post(theme, "marker"); |
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| 379 | } |
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| 380 | var path = "M" + c.x + " " + c.y + " " + markerTheme.symbol; |
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| 381 | if(outline){ |
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| 382 | outlineMarkers[i] = this.createPath(run, s, path).setStroke(outline); |
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| 383 | } |
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| 384 | frontMarkers[i] = this.createPath(run, s, path).setStroke(markerTheme.marker.stroke).setFill(markerTheme.marker.fill); |
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| 385 | }, this); |
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| 386 | run.dyn.markerFill = markerTheme.marker.fill; |
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| 387 | run.dyn.markerStroke = markerTheme.marker.stroke; |
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| 388 | if(!markerBox && this.opt.labels){ |
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| 389 | markerBox = frontMarkers[0].getBoundingBox(); |
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| 390 | } |
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| 391 | if(events){ |
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| 392 | arr.forEach(frontMarkers, function(s, i){ |
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| 393 | var o = { |
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| 394 | element: "marker", |
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| 395 | index: i + rsegment.index, |
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| 396 | run: run, |
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| 397 | shape: s, |
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| 398 | outline: outlineMarkers[i] || null, |
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| 399 | shadow: shadowMarkers && shadowMarkers[i] || null, |
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| 400 | cx: lpoly[i].x, |
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| 401 | cy: lpoly[i].y |
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| 402 | }; |
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| 403 | if(indexed){ |
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| 404 | o.x = i + rsegment.index + 1; |
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| 405 | o.y = run.data[i + rsegment.index]; |
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| 406 | }else{ |
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| 407 | o.x = rsegment.rseg[i].x; |
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| 408 | o.y = run.data[i + rsegment.index].y; |
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| 409 | } |
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| 410 | this._connectEvents(o); |
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| 411 | eventSeries[i + rsegment.index] = o; |
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| 412 | }, this); |
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| 413 | }else{ |
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| 414 | delete this._eventSeries[run.name]; |
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| 415 | } |
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| 416 | } |
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| 417 | if(this.opt.labels){ |
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| 418 | var labelBoxW = markerBox?markerBox.width:2; |
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| 419 | var labelBoxH = markerBox?markerBox.height:2; |
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| 420 | arr.forEach(lpoly, function(c, i){ |
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| 421 | if(this.opt.styleFunc || typeof c.data != "number"){ |
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| 422 | var tMixin = typeof c.data != "number" ? [c.data] : []; |
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| 423 | if(this.opt.styleFunc){ |
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| 424 | tMixin.push(this.opt.styleFunc(c.data)); |
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| 425 | } |
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| 426 | markerTheme = t.addMixin(theme, "marker", tMixin, true); |
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| 427 | }else{ |
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| 428 | markerTheme = t.post(theme, "marker"); |
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| 429 | } |
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| 430 | this.createLabel(s, rsegment.rseg[i], { x: c.x - labelBoxW / 2, y: c.y - labelBoxH / 2, |
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| 431 | width: labelBoxW , height: labelBoxH }, markerTheme); |
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| 432 | }, this); |
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| 433 | } |
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| 434 | } |
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| 435 | run.dirty = false; |
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| 436 | } |
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| 437 | // chart mirroring starts |
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| 438 | if(has("dojo-bidi")){ |
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| 439 | this._checkOrientation(this.group, dim, offsets); |
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| 440 | } |
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| 441 | // chart mirroring ends |
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| 442 | if(this.animate){ |
|---|
| 443 | // grow from the bottom |
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| 444 | var plotGroup = this.getGroup(); |
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| 445 | fx.animateTransform(lang.delegate({ |
|---|
| 446 | shape: plotGroup, |
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| 447 | duration: DEFAULT_ANIMATION_LENGTH, |
|---|
| 448 | transform:[ |
|---|
| 449 | {name:"translate", start: [0, dim.height - offsets.b], end: [0, 0]}, |
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| 450 | {name:"scale", start: [1, 0], end:[1, 1]}, |
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| 451 | {name:"original"} |
|---|
| 452 | ] |
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| 453 | }, this.animate)).play(); |
|---|
| 454 | } |
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| 455 | this.dirty = false; |
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| 456 | return this; // dojox/charting/plot2d/Default |
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| 457 | } |
|---|
| 458 | }); |
|---|
| 459 | }); |
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