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alexandre_ |
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/*
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Copyright (c) 2004-2006, The Dojo Foundation
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All Rights Reserved.
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Licensed under the Academic Free License version 2.1 or above OR the
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modified BSD license. For more information on Dojo licensing, see:
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http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.widget.vml.Chart");
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dojo.require("dojo.widget.HtmlWidget");
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dojo.require("dojo.widget.Chart");
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dojo.require("dojo.math");
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dojo.require("dojo.html.layout");
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dojo.require("dojo.gfx.color");
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dojo.widget.defineWidget("dojo.widget.vml.Chart", [dojo.widget.HtmlWidget, dojo.widget.Chart], function () {
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this.templatePath = null;
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this.templateCssPath = null;
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this._isInitialize = false;
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this.hasData = false;
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this.vectorNode = null;
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this.plotArea = null;
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this.dataGroup = null;
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this.axisGroup = null;
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this.properties = {height:0, width:0, defaultWidth:600, defaultHeight:400, plotType:null, padding:{top:10, bottom:2, left:60, right:30}, axes:{x:{plotAt:0, label:"", unitLabel:"", unitType:Number, nUnitsToShow:10, range:{min:0, max:200}}, y:{plotAt:0, label:"", unitLabel:"", unitType:Number, nUnitsToShow:10, range:{min:0, max:200}}}};
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}, {parseProperties:function (node) {
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var bRangeX = false;
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var bRangeY = false;
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if (node.getAttribute("width")) {
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this.properties.width = node.getAttribute("width");
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}
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if (node.getAttribute("height")) {
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this.properties.height = node.getAttribute("height");
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}
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if (node.getAttribute("plotType")) {
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this.properties.plotType = node.getAttribute("plotType");
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}
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if (node.getAttribute("padding")) {
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if (node.getAttribute("padding").indexOf(",") > -1) {
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var p = node.getAttribute("padding").split(",");
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} else {
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var p = node.getAttribute("padding").split(" ");
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}
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if (p.length == 1) {
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var pad = parseFloat(p[0]);
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this.properties.padding.top = pad;
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this.properties.padding.right = pad;
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this.properties.padding.bottom = pad;
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this.properties.padding.left = pad;
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} else {
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if (p.length == 2) {
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var padV = parseFloat(p[0]);
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var padH = parseFloat(p[1]);
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this.properties.padding.top = padV;
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this.properties.padding.right = padH;
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this.properties.padding.bottom = padV;
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this.properties.padding.left = padH;
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} else {
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if (p.length == 4) {
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this.properties.padding.top = parseFloat(p[0]);
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this.properties.padding.right = parseFloat(p[1]);
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this.properties.padding.bottom = parseFloat(p[2]);
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this.properties.padding.left = parseFloat(p[3]);
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}
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}
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}
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}
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if (node.getAttribute("rangeX")) {
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var p = node.getAttribute("rangeX");
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if (p.indexOf(",") > -1) {
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p = p.split(",");
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} else {
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p = p.split(" ");
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}
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this.properties.axes.x.range.min = parseFloat(p[0]);
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this.properties.axes.x.range.max = parseFloat(p[1]);
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bRangeX = true;
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}
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if (node.getAttribute("rangeY")) {
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var p = node.getAttribute("rangeY");
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if (p.indexOf(",") > -1) {
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p = p.split(",");
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} else {
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p = p.split(" ");
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}
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this.properties.axes.y.range.min = parseFloat(p[0]);
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this.properties.axes.y.range.max = parseFloat(p[1]);
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bRangeY = true;
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}
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return {rangeX:bRangeX, rangeY:bRangeY};
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}, setAxesPlot:function (table) {
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if (table.getAttribute("axisAt")) {
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var p = table.getAttribute("axisAt");
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if (p.indexOf(",") > -1) {
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p = p.split(",");
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} else {
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p = p.split(" ");
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}
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if (!isNaN(parseFloat(p[0]))) {
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this.properties.axes.x.plotAt = parseFloat(p[0]);
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} else {
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if (p[0].toLowerCase() == "ymin") {
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this.properties.axes.x.plotAt = this.properties.axes.y.range.min;
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} else {
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if (p[0].toLowerCase() == "ymax") {
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this.properties.axes.x.plotAt = this.properties.axes.y.range.max;
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}
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}
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}
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if (!isNaN(parseFloat(p[1]))) {
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this.properties.axes.y.plotAt = parseFloat(p[1]);
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} else {
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if (p[1].toLowerCase() == "xmin") {
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this.properties.axes.y.plotAt = this.properties.axes.x.range.min;
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} else {
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if (p[1].toLowerCase() == "xmax") {
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this.properties.axes.y.plotAt = this.properties.axes.x.range.max;
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}
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}
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}
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} else {
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this.properties.axes.x.plotAt = this.properties.axes.y.range.min;
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this.properties.axes.y.plotAt = this.properties.axes.x.range.min;
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}
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}, drawVectorNode:function () {
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if (this.vectorNode) {
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this.destroy();
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}
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this.vectorNode = document.createElement("div");
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this.vectorNode.style.width = this.properties.width + "px";
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this.vectorNode.style.height = this.properties.height + "px";
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this.vectorNode.style.position = "relative";
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this.domNode.appendChild(this.vectorNode);
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}, drawPlotArea:function () {
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var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
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var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
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if (this.plotArea) {
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this.plotArea.parentNode.removeChild(this.plotArea);
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this.plotArea = null;
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}
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this.plotArea = document.createElement("div");
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this.plotArea.style.position = "absolute";
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this.plotArea.style.backgroundColor = "#fff";
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this.plotArea.style.top = (this.properties.padding.top) - 2 + "px";
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this.plotArea.style.left = (this.properties.padding.left - 1) + "px";
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this.plotArea.style.width = plotWidth + "px";
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this.plotArea.style.height = plotHeight + "px";
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this.plotArea.style.clip = "rect(0 " + plotWidth + " " + plotHeight + " 0)";
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this.vectorNode.appendChild(this.plotArea);
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}, drawDataGroup:function () {
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var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
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var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
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if (this.dataGroup) {
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this.dataGroup.parentNode.removeChild(this.dataGroup);
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this.dataGroup = null;
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}
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this.dataGroup = document.createElement("div");
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this.dataGroup.style.position = "absolute";
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this.dataGroup.setAttribute("title", "Data Group");
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this.dataGroup.style.top = "0px";
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this.dataGroup.style.left = "0px";
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this.dataGroup.style.width = plotWidth + "px";
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this.dataGroup.style.height = plotHeight + "px";
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this.plotArea.appendChild(this.dataGroup);
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}, drawAxes:function () {
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var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
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var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
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if (this.axisGroup) {
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this.axisGroup.parentNode.removeChild(this.axisGroup);
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this.axisGroup = null;
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}
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this.axisGroup = document.createElement("div");
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this.axisGroup.style.position = "absolute";
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this.axisGroup.setAttribute("title", "Axis Group");
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this.axisGroup.style.top = "0px";
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this.axisGroup.style.left = "0px";
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this.axisGroup.style.width = plotWidth + "px";
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this.axisGroup.style.height = plotHeight + "px";
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this.plotArea.appendChild(this.axisGroup);
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var stroke = 1;
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var line = document.createElement("v:line");
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var y = dojo.widget.vml.Chart.Plotter.getY(this.properties.axes.x.plotAt, this);
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line.setAttribute("from", "0px," + y + "px");
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line.setAttribute("to", plotWidth + "px," + y + "px");
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line.style.position = "absolute";
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line.style.top = "0px";
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line.style.left = "0px";
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line.style.antialias = "false";
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line.setAttribute("strokecolor", "#666");
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line.setAttribute("strokeweight", stroke * 2 + "px");
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this.axisGroup.appendChild(line);
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var line = document.createElement("v:line");
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var x = dojo.widget.vml.Chart.Plotter.getX(this.properties.axes.y.plotAt, this);
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line.setAttribute("from", x + "px,0px");
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line.setAttribute("to", x + "px," + plotHeight + "px");
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line.style.position = "absolute";
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line.style.top = "0px";
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line.style.left = "0px";
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line.style.antialias = "false";
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line.setAttribute("strokecolor", "#666");
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line.setAttribute("strokeweight", stroke * 2 + "px");
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this.axisGroup.appendChild(line);
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var size = 10;
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var t = document.createElement("div");
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t.style.position = "absolute";
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t.style.top = (this.properties.height - this.properties.padding.bottom) + "px";
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t.style.left = this.properties.padding.left + "px";
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t.style.fontFamily = "sans-serif";
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t.style.fontSize = size + "px";
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t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.x.range.min), 2);
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this.vectorNode.appendChild(t);
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t = document.createElement("div");
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t.style.position = "absolute";
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t.style.top = (this.properties.height - this.properties.padding.bottom) + "px";
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t.style.left = (this.properties.width - this.properties.padding.right - size) + "px";
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t.style.fontFamily = "sans-serif";
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t.style.fontSize = size + "px";
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t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.x.range.max), 2);
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this.vectorNode.appendChild(t);
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t = document.createElement("div");
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t.style.position = "absolute";
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t.style.top = (size / 2) + "px";
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t.style.left = "0px";
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t.style.width = this.properties.padding.left + "px";
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t.style.textAlign = "right";
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t.style.paddingRight = "4px";
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t.style.fontFamily = "sans-serif";
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t.style.fontSize = size + "px";
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t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.y.range.max), 2);
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this.vectorNode.appendChild(t);
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t = document.createElement("div");
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t.style.position = "absolute";
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t.style.top = (this.properties.height - this.properties.padding.bottom - size) + "px";
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t.style.left = "0px";
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t.style.width = this.properties.padding.left + "px";
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t.style.textAlign = "right";
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t.style.paddingRight = "4px";
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t.style.fontFamily = "sans-serif";
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t.style.fontSize = size + "px";
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t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.y.range.min), 2);
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this.vectorNode.appendChild(t);
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}, init:function () {
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if (!this.properties.width || !this.properties.height) {
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var box = dojo.html.getContentBox(this.domNode);
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if (!this.properties.width) {
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this.properties.width = (box.width < 32) ? this.properties.defaultWidth : box.width;
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}
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if (!this.properties.height) {
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this.properties.height = (box.height < 32) ? this.properties.defaultHeight : box.height;
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}
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}
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this.drawVectorNode();
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this.drawPlotArea();
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this.drawDataGroup();
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this.drawAxes();
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this.assignColors();
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this._isInitialized = true;
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}, destroy:function () {
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while (this.domNode.childNodes.length > 0) {
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this.domNode.removeChild(this.domNode.childNodes[0]);
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}
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this.vectorNode = this.plotArea = this.dataGroup = this.axisGroup = null;
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}, render:function () {
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if (this.dataGroup) {
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while (this.dataGroup.childNodes.length > 0) {
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this.dataGroup.removeChild(this.dataGroup.childNodes[0]);
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}
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} else {
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this.init();
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}
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for (var i = 0; i < this.series.length; i++) {
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dojo.widget.vml.Chart.Plotter.plot(this.series[i], this);
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}
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}, postCreate:function () {
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var table = this.domNode.getElementsByTagName("table")[0];
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if (table) {
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var ranges = this.parseProperties(table);
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var bRangeX = false;
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var bRangeY = false;
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var axisValues = this.parseData(table);
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if (!bRangeX) {
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this.properties.axes.x.range = {min:axisValues.x.min, max:axisValues.x.max};
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}
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if (!bRangeY) {
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this.properties.axes.y.range = {min:axisValues.y.min, max:axisValues.y.max};
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}
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this.setAxesPlot(table);
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this.domNode.removeChild(table);
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}
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if (this.series.length > 0) {
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this.render();
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}
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}});
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dojo.widget.vml.Chart.Plotter = new function () {
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var self = this;
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var plotters = {};
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var types = dojo.widget.Chart.PlotTypes;
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this.getX = function (value, chart) {
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var v = parseFloat(value);
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var min = chart.properties.axes.x.range.min;
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var max = chart.properties.axes.x.range.max;
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var ofst = 0 - min;
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min += ofst;
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max += ofst;
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v += ofst;
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var xmin = 0;
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var xmax = chart.properties.width - chart.properties.padding.left - chart.properties.padding.right;
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var x = (v * ((xmax - xmin) / max)) + xmin;
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310 |
return x;
|
|
|
311 |
};
|
|
|
312 |
this.getY = function (value, chart) {
|
|
|
313 |
var v = parseFloat(value);
|
|
|
314 |
var max = chart.properties.axes.y.range.max;
|
|
|
315 |
var min = chart.properties.axes.y.range.min;
|
|
|
316 |
var ofst = 0;
|
|
|
317 |
if (min < 0) {
|
|
|
318 |
ofst += Math.abs(min);
|
|
|
319 |
}
|
|
|
320 |
min += ofst;
|
|
|
321 |
max += ofst;
|
|
|
322 |
v += ofst;
|
|
|
323 |
var ymin = chart.properties.height - chart.properties.padding.top - chart.properties.padding.bottom;
|
|
|
324 |
var ymax = 0;
|
|
|
325 |
var y = (((ymin - ymax) / (max - min)) * (max - v)) + ymax;
|
|
|
326 |
return y;
|
|
|
327 |
};
|
|
|
328 |
this.addPlotter = function (name, func) {
|
|
|
329 |
plotters[name] = func;
|
|
|
330 |
};
|
|
|
331 |
this.plot = function (series, chart) {
|
|
|
332 |
if (series.values.length == 0) {
|
|
|
333 |
return;
|
|
|
334 |
}
|
|
|
335 |
if (series.plotType && plotters[series.plotType]) {
|
|
|
336 |
return plotters[series.plotType](series, chart);
|
|
|
337 |
} else {
|
|
|
338 |
if (chart.plotType && plotters[chart.plotType]) {
|
|
|
339 |
return plotters[chart.plotType](series, chart);
|
|
|
340 |
}
|
|
|
341 |
}
|
|
|
342 |
};
|
|
|
343 |
plotters["bar"] = function (series, chart) {
|
|
|
344 |
var space = 1;
|
|
|
345 |
var lastW = 0;
|
|
|
346 |
var ys = [];
|
|
|
347 |
var yAxis = self.getY(chart.properties.axes.x.plotAt, chart);
|
|
|
348 |
var yA = yAxis;
|
|
|
349 |
for (var i = 0; i < series.values.length; i++) {
|
|
|
350 |
var x = self.getX(series.values[i].x, chart);
|
|
|
351 |
var w;
|
|
|
352 |
if (i == series.values.length - 1) {
|
|
|
353 |
w = lastW;
|
|
|
354 |
} else {
|
|
|
355 |
w = self.getX(series.values[i + 1].x, chart) - x - space;
|
|
|
356 |
lastW = w;
|
|
|
357 |
}
|
|
|
358 |
x -= (w / 2);
|
|
|
359 |
var y = self.getY(series.values[i].value, chart);
|
|
|
360 |
var h = Math.abs(yA - y);
|
|
|
361 |
if (parseFloat(series.values[i].value) < chart.properties.axes.x.plotAt) {
|
|
|
362 |
y = yA;
|
|
|
363 |
}
|
|
|
364 |
var bar = document.createElement("v:rect");
|
|
|
365 |
bar.style.position = "absolute";
|
|
|
366 |
bar.style.top = y + "px";
|
|
|
367 |
bar.style.left = x + "px";
|
|
|
368 |
bar.style.width = w + "px";
|
|
|
369 |
bar.style.height = h + "px";
|
|
|
370 |
bar.setAttribute("fillColor", series.color);
|
|
|
371 |
bar.setAttribute("stroked", "false");
|
|
|
372 |
bar.style.antialias = "false";
|
|
|
373 |
bar.setAttribute("title", series.label + " (" + i + "): " + series.values[i].value);
|
|
|
374 |
var fill = document.createElement("v:fill");
|
|
|
375 |
fill.setAttribute("opacity", "0.9");
|
|
|
376 |
bar.appendChild(fill);
|
|
|
377 |
chart.dataGroup.appendChild(bar);
|
|
|
378 |
}
|
|
|
379 |
};
|
|
|
380 |
plotters["line"] = function (series, chart) {
|
|
|
381 |
var tension = 1.5;
|
|
|
382 |
var line = document.createElement("v:shape");
|
|
|
383 |
line.setAttribute("strokeweight", "2px");
|
|
|
384 |
line.setAttribute("strokecolor", series.color);
|
|
|
385 |
line.setAttribute("fillcolor", "none");
|
|
|
386 |
line.setAttribute("filled", "false");
|
|
|
387 |
line.setAttribute("title", series.label);
|
|
|
388 |
line.setAttribute("coordsize", chart.properties.width + "," + chart.properties.height);
|
|
|
389 |
line.style.position = "absolute";
|
|
|
390 |
line.style.top = "0px";
|
|
|
391 |
line.style.left = "0px";
|
|
|
392 |
line.style.width = chart.properties.width + "px";
|
|
|
393 |
line.style.height = chart.properties.height + "px";
|
|
|
394 |
var stroke = document.createElement("v:stroke");
|
|
|
395 |
stroke.setAttribute("opacity", "0.85");
|
|
|
396 |
line.appendChild(stroke);
|
|
|
397 |
var path = [];
|
|
|
398 |
for (var i = 0; i < series.values.length; i++) {
|
|
|
399 |
var x = Math.round(self.getX(series.values[i].x, chart));
|
|
|
400 |
var y = Math.round(self.getY(series.values[i].value, chart));
|
|
|
401 |
if (i == 0) {
|
|
|
402 |
path.push("m");
|
|
|
403 |
path.push(x + "," + y);
|
|
|
404 |
} else {
|
|
|
405 |
var lastx = Math.round(self.getX(series.values[i - 1].x, chart));
|
|
|
406 |
var lasty = Math.round(self.getY(series.values[i - 1].value, chart));
|
|
|
407 |
var dx = x - lastx;
|
|
|
408 |
var dy = y - lasty;
|
|
|
409 |
path.push("c");
|
|
|
410 |
var cx = Math.round((x - (tension - 1) * (dx / tension)));
|
|
|
411 |
path.push(cx + "," + lasty);
|
|
|
412 |
cx = Math.round((x - (dx / tension)));
|
|
|
413 |
path.push(cx + "," + y);
|
|
|
414 |
path.push(x + "," + y);
|
|
|
415 |
}
|
|
|
416 |
}
|
|
|
417 |
line.setAttribute("path", path.join(" ") + " e");
|
|
|
418 |
chart.dataGroup.appendChild(line);
|
|
|
419 |
};
|
|
|
420 |
plotters["area"] = function (series, chart) {
|
|
|
421 |
var tension = 1.5;
|
|
|
422 |
var line = document.createElement("v:shape");
|
|
|
423 |
line.setAttribute("strokeweight", "1px");
|
|
|
424 |
line.setAttribute("strokecolor", series.color);
|
|
|
425 |
line.setAttribute("fillcolor", series.color);
|
|
|
426 |
line.setAttribute("title", series.label);
|
|
|
427 |
line.setAttribute("coordsize", chart.properties.width + "," + chart.properties.height);
|
|
|
428 |
line.style.position = "absolute";
|
|
|
429 |
line.style.top = "0px";
|
|
|
430 |
line.style.left = "0px";
|
|
|
431 |
line.style.width = chart.properties.width + "px";
|
|
|
432 |
line.style.height = chart.properties.height + "px";
|
|
|
433 |
var stroke = document.createElement("v:stroke");
|
|
|
434 |
stroke.setAttribute("opacity", "0.8");
|
|
|
435 |
line.appendChild(stroke);
|
|
|
436 |
var fill = document.createElement("v:fill");
|
|
|
437 |
fill.setAttribute("opacity", "0.4");
|
|
|
438 |
line.appendChild(fill);
|
|
|
439 |
var path = [];
|
|
|
440 |
for (var i = 0; i < series.values.length; i++) {
|
|
|
441 |
var x = Math.round(self.getX(series.values[i].x, chart));
|
|
|
442 |
var y = Math.round(self.getY(series.values[i].value, chart));
|
|
|
443 |
if (i == 0) {
|
|
|
444 |
path.push("m");
|
|
|
445 |
path.push(x + "," + y);
|
|
|
446 |
} else {
|
|
|
447 |
var lastx = Math.round(self.getX(series.values[i - 1].x, chart));
|
|
|
448 |
var lasty = Math.round(self.getY(series.values[i - 1].value, chart));
|
|
|
449 |
var dx = x - lastx;
|
|
|
450 |
var dy = y - lasty;
|
|
|
451 |
path.push("c");
|
|
|
452 |
var cx = Math.round((x - (tension - 1) * (dx / tension)));
|
|
|
453 |
path.push(cx + "," + lasty);
|
|
|
454 |
cx = Math.round((x - (dx / tension)));
|
|
|
455 |
path.push(cx + "," + y);
|
|
|
456 |
path.push(x + "," + y);
|
|
|
457 |
}
|
|
|
458 |
}
|
|
|
459 |
path.push("l");
|
|
|
460 |
path.push(x + "," + self.getY(0, chart));
|
|
|
461 |
path.push("l");
|
|
|
462 |
path.push(self.getX(0, chart) + "," + self.getY(0, chart));
|
|
|
463 |
line.setAttribute("path", path.join(" ") + " x e");
|
|
|
464 |
chart.dataGroup.appendChild(line);
|
|
|
465 |
};
|
|
|
466 |
plotters["scatter"] = function (series, chart) {
|
|
|
467 |
var r = 6;
|
|
|
468 |
for (var i = 0; i < series.values.length; i++) {
|
|
|
469 |
var x = self.getX(series.values[i].x, chart);
|
|
|
470 |
var y = self.getY(series.values[i].value, chart);
|
|
|
471 |
var mod = r / 2;
|
|
|
472 |
var point = document.createElement("v:rect");
|
|
|
473 |
point.setAttribute("fillcolor", series.color);
|
|
|
474 |
point.setAttribute("strokecolor", series.color);
|
|
|
475 |
point.setAttribute("title", series.label + ": " + series.values[i].value);
|
|
|
476 |
point.style.position = "absolute";
|
|
|
477 |
point.style.rotation = "45";
|
|
|
478 |
point.style.top = (y - mod) + "px";
|
|
|
479 |
point.style.left = (x - mod) + "px";
|
|
|
480 |
point.style.width = r + "px";
|
|
|
481 |
point.style.height = r + "px";
|
|
|
482 |
var fill = document.createElement("v:fill");
|
|
|
483 |
fill.setAttribute("opacity", "0.6");
|
|
|
484 |
point.appendChild(fill);
|
|
|
485 |
chart.dataGroup.appendChild(point);
|
|
|
486 |
}
|
|
|
487 |
};
|
|
|
488 |
plotters["bubble"] = function (series, chart) {
|
|
|
489 |
var minR = 1;
|
|
|
490 |
var min = chart.properties.axes.x.range.min;
|
|
|
491 |
var max = chart.properties.axes.x.range.max;
|
|
|
492 |
var ofst = 0 - min;
|
|
|
493 |
min += ofst;
|
|
|
494 |
max += ofst;
|
|
|
495 |
var xmin = chart.properties.padding.left;
|
|
|
496 |
var xmax = chart.properties.width - chart.properties.padding.right;
|
|
|
497 |
var factor = (max - min) / (xmax - xmin) * 25;
|
|
|
498 |
for (var i = 0; i < series.values.length; i++) {
|
|
|
499 |
var size = series.values[i].size;
|
|
|
500 |
if (isNaN(parseFloat(size))) {
|
|
|
501 |
size = minR;
|
|
|
502 |
}
|
|
|
503 |
var radius = (parseFloat(size) * factor) / 2;
|
|
|
504 |
var diameter = radius * 2;
|
|
|
505 |
var cx = self.getX(series.values[i].x, chart);
|
|
|
506 |
var cy = self.getY(series.values[i].value, chart);
|
|
|
507 |
var top = cy - radius;
|
|
|
508 |
var left = cx - radius;
|
|
|
509 |
var point = document.createElement("v:oval");
|
|
|
510 |
point.setAttribute("fillcolor", series.color);
|
|
|
511 |
point.setAttribute("title", series.label + ": " + series.values[i].value + " (" + size + ")");
|
|
|
512 |
point.setAttribute("stroked", "false");
|
|
|
513 |
point.style.position = "absolute";
|
|
|
514 |
point.style.top = top + "px";
|
|
|
515 |
point.style.left = left + "px";
|
|
|
516 |
point.style.width = diameter + "px";
|
|
|
517 |
point.style.height = diameter + "px";
|
|
|
518 |
var fill = document.createElement("v:fill");
|
|
|
519 |
fill.setAttribute("opacity", "0.8");
|
|
|
520 |
point.appendChild(fill);
|
|
|
521 |
chart.dataGroup.appendChild(point);
|
|
|
522 |
}
|
|
|
523 |
};
|
|
|
524 |
}();
|
|
|
525 |
|