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Struts example source code file (PlotArea.js)
The Struts PlotArea.js source code/* Copyright (c) 2004-2006, The Dojo Foundation All Rights Reserved. Licensed under the Academic Free License version 2.1 or above OR the modified BSD license. For more information on Dojo licensing, see: http://dojotoolkit.org/community/licensing.shtml */ dojo.provide("dojo.charting.PlotArea"); dojo.require("dojo.lang.common"); dojo.require("dojo.gfx.color"); dojo.require("dojo.gfx.color.hsl"); dojo.require("dojo.charting.Plot"); dojo.charting.PlotArea = function () { var id = "dojo-charting-plotarea-" + dojo.charting.PlotArea.count++; this.getId = function () { return id; }; this.setId = function (key) { id = key; }; this.areaType = "standard"; this.plots = []; this.size = {width:600, height:400}; this.padding = {top:10, right:10, bottom:20, left:20}; this.nodes = {main:null, area:null, background:null, axes:null, plots:null}; this._color = {h:140, s:120, l:120, step:27}; }; dojo.charting.PlotArea.count = 0; dojo.extend(dojo.charting.PlotArea, {nextColor:function () { var rgb = dojo.gfx.color.hsl2rgb(this._color.h, this._color.s, this._color.l); this._color.h = (this._color.h + this._color.step) % 360; while (this._color.h < 140) { this._color.h += this._color.step; } return dojo.gfx.color.rgb2hex(rgb[0], rgb[1], rgb[2]); }, getArea:function () { return {left:this.padding.left, right:this.size.width - this.padding.right, top:this.padding.top, bottom:this.size.height - this.padding.bottom, toString:function () { var a = [this.top, this.right, this.bottom, this.left]; return "[" + a.join() + "]"; }}; }, getAxes:function () { var axes = {}; for (var i = 0; i < this.plots.length; i++) { var plot = this.plots[i]; axes[plot.axisX.getId()] = {axis:plot.axisX, drawAgainst:plot.axisY, plot:plot, plane:"x"}; axes[plot.axisY.getId()] = {axis:plot.axisY, drawAgainst:plot.axisX, plot:plot, plane:"y"}; } return axes; }, getLegendInfo:function () { var a = []; for (var i = 0; i < this.plots.length; i++) { for (var j = 0; j < this.plots[i].series.length; j++) { var data = this.plots[i].series[j].data; a.push({label:data.label, color:data.color}); } } return a; }, setAxesRanges:function () { var ranges = {}; var axes = {}; for (var i = 0; i < this.plots.length; i++) { var plot = this.plots[i]; var ranges = plot.getRanges(); var x = ranges.x; var y = ranges.y; var ax, ay; if (!axes[plot.axisX.getId()]) { axes[plot.axisX.getId()] = plot.axisX; ranges[plot.axisX.getId()] = {upper:x.upper, lower:x.lower}; } ax = ranges[plot.axisX.getId()]; ax.upper = Math.max(ax.upper, x.upper); ax.lower = Math.min(ax.lower, x.lower); if (!axes[plot.axisY.getId()]) { axes[plot.axisY.getId()] = plot.axisY; ranges[plot.axisY.getId()] = {upper:y.upper, lower:y.lower}; } ay = ranges[plot.axisY.getId()]; ay.upper = Math.max(ay.upper, y.upper); ay.lower = Math.min(ay.lower, y.lower); } for (var p in axes) { axes[p].range = ranges[p]; } }, render:function (kwArgs, applyToData) { if (!this.nodes.main || !this.nodes.area || !this.nodes.background || !this.nodes.plots || !this.nodes.axes) { this.initialize(); } this.resize(); for (var i = 0; i < this.plots.length; i++) { var plot = this.plots[i]; if (plot.dataNode) { this.nodes.plots.removeChild(plot.dataNode); } var target = this.initializePlot(plot); switch (plot.renderType) { case dojo.charting.RenderPlotSeries.Grouped: if (plot.series[0]) { target.appendChild(plot.series[0].plotter(this, plot, kwArgs, applyToData)); } break; case dojo.charting.RenderPlotSeries.Singly: default: for (var j = 0; j < plot.series.length; j++) { var series = plot.series[j]; var data = series.data.evaluate(kwArgs); target.appendChild(series.plotter(data, this, plot, applyToData)); } } this.nodes.plots.appendChild(target); } }, destroy:function () { for (var i = 0; i < this.plots.length; i++) { this.plots[i].destroy(); } for (var p in this.nodes) { var node = this.nodes[p]; if (!node) { continue; } if (!node.childNodes) { continue; } while (node.childNodes.length > 0) { node.removeChild(node.childNodes[0]); } this.nodes[p] = null; } }}); dojo.requireIf(dojo.render.svg.capable, "dojo.charting.svg.PlotArea"); dojo.requireIf(dojo.render.vml.capable, "dojo.charting.vml.PlotArea"); Other Struts examples (source code examples)Here is a short list of links related to this Struts PlotArea.js source code file: |
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