Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.
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jeb228
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531
webapp/web/src/widget/svg/Chart.js
vendored
Normal file
531
webapp/web/src/widget/svg/Chart.js
vendored
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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.svg.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");
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dojo.require("dojo.svg");
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dojo.require("dojo.graphics.color");
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dojo.widget.svg.Chart=function(){
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dojo.widget.Chart.call(this);
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dojo.widget.HtmlWidget.call(this);
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};
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dojo.inherits(dojo.widget.svg.Chart, dojo.widget.HtmlWidget);
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dojo.lang.extend(dojo.widget.svg.Chart, {
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// widget props
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templatePath:null,
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templateCssPath:null,
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// state
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_isInitialized:false,
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hasData:false,
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// chart props
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vectorNode:null,
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plotArea:null,
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dataGroup:null,
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axisGroup:null,
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properties:{
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height:400, // defaults, will resize to the domNode.
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width:600,
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plotType:null,
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padding:{
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top:10,
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bottom:2,
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left:60,
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right:30
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},
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axes:{
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x:{
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plotAt:0,
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label:"",
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unitLabel:"",
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unitType:Number,
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nUnitsToShow:10,
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range:{
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min:0,
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max:200
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}
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},
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y:{
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plotAt:0,
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label:"",
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unitLabel:"",
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unitType:Number,
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nUnitsToShow:10,
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range:{
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min:0,
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max:200
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}
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}
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}
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},
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fillInTemplate:function(args,frag){
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this.initialize();
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this.render();
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},
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parseData:function(){
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},
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initialize:function(){
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this.parseData();
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// begin by grabbing the table, and reading it in.
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var table=this.domNode.getElementsByTagName("table")[0];
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if (!table) return;
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var bRangeX=false;
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var bRangeY=false;
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// properties off the table
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if (table.getAttribute("width")) this.properties.width=table.getAttribute("width");
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if (table.getAttribute("height")) this.properties.height=table.getAttribute("height");
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if (table.getAttribute("plotType")) this.properties.plotType=table.getAttribute("plotType");
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if (table.getAttribute("padding")){
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if (table.getAttribute("padding").indexOf(",") > -1)
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var p=table.getAttribute("padding").split(",");
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else var p=table.getAttribute("padding").split(" ");
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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 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 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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if (table.getAttribute("rangeX")){
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var p=table.getAttribute("rangeX");
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if (p.indexOf(",")>-1) p=p.split(",");
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else p=p.split(" ");
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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 (table.getAttribute("rangeY")){
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var p=table.getAttribute("rangeY");
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if (p.indexOf(",")>-1) p=p.split(",");
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else p=p.split(" ");
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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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var thead=table.getElementsByTagName("thead")[0];
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var tbody=table.getElementsByTagName("tbody")[0];
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if(!(thead&&tbody)) dojo.raise("dojo.widget.Chart: supplied table must define a head and a body.");
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// set up the series.
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var columns=thead.getElementsByTagName("tr")[0].getElementsByTagName("th"); // should be <tr><..>
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// assume column 0 == X
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for (var i=1; i<columns.length; i++){
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var key="column"+i;
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var label=columns[i].innerHTML;
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var plotType=columns[i].getAttribute("plotType")||"line";
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var color=columns[i].getAttribute("color");
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var ds=new dojo.widget.Chart.DataSeries(key,label,plotType,color);
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this.series.push(ds);
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}
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// ok, get the values.
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var rows=tbody.getElementsByTagName("tr");
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var xMin=Number.MAX_VALUE,xMax=Number.MIN_VALUE;
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var yMin=Number.MAX_VALUE,yMax=Number.MIN_VALUE;
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var ignore = [
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"accesskey","align","bgcolor","class",
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"colspan","height","id","nowrap",
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"rowspan","style","tabindex","title",
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"valign","width"
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];
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for(var i=0; i<rows.length; i++){
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var row=rows[i];
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var cells=row.getElementsByTagName("td");
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var x=Number.MIN_VALUE;
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for (var j=0; j<cells.length; j++){
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if (j==0){
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x=parseFloat(cells[j].innerHTML);
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xMin=Math.min(xMin, x);
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xMax=Math.max(xMax, x);
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} else {
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var ds=this.series[j-1];
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var y=parseFloat(cells[j].innerHTML);
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yMin=Math.min(yMin,y);
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yMax=Math.max(yMax,y);
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var o={x:x, value:y};
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var attrs=cells[j].attributes;
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for(var k=0; k<attrs.length; k++){
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var attr=attrs.item(k);
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var bIgnore=false;
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for (var l=0; l<ignore.length; l++){
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if (attr.nodeName.toLowerCase()==ignore[l]){
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bIgnore=true;
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break;
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}
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}
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if(!bIgnore) o[attr.nodeName]=attr.nodeValue;
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}
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ds.add(o);
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}
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}
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}
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// fix the axes
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if(!bRangeX){
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this.properties.axes.x.range={min:xMin, max:xMax};
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}
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if(!bRangeY){
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this.properties.axes.y.range={min:yMin, max:yMax};
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}
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// where to plot the axes
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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) p=p.split(",");
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else p=p.split(" ");
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// x axis
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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 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 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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// y axis
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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 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 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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} 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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// table values should be populated, now pop it off.
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this.domNode.removeChild(table);
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// get the width and the height.
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// this.properties.width=dojo.html.getInnerWidth(this.domNode);
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// this.properties.height=dojo.html.getInnerHeight(this.domNode);
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// ok, lets create the chart itself.
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dojo.svg.g.suspend();
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if(this.vectorNode) this.destroy();
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this.vectorNode=document.createElementNS(dojo.svg.xmlns.svg, "svg");
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this.vectorNode.setAttribute("width", this.properties.width);
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this.vectorNode.setAttribute("height", this.properties.height);
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// set up the clip path for the plot area.
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var defs = document.createElementNS(dojo.svg.xmlns.svg, "defs");
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var clip = document.createElementNS(dojo.svg.xmlns.svg, "clipPath");
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clip.setAttribute("id","plotClip"+this.widgetId);
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var rect = document.createElementNS(dojo.svg.xmlns.svg, "rect");
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rect.setAttribute("x", this.properties.padding.left);
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rect.setAttribute("y", this.properties.padding.top);
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rect.setAttribute("width", this.properties.width-this.properties.padding.left-this.properties.padding.right);
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rect.setAttribute("height", this.properties.height-this.properties.padding.bottom-this.properties.padding.bottom);
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clip.appendChild(rect);
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defs.appendChild(clip);
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this.vectorNode.appendChild(defs);
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// the plot background.
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this.plotArea = document.createElementNS(dojo.svg.xmlns.svg, "g");
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this.vectorNode.appendChild(this.plotArea);
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var rect = document.createElementNS(dojo.svg.xmlns.svg, "rect");
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rect.setAttribute("x", this.properties.padding.left);
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rect.setAttribute("y", this.properties.padding.top);
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rect.setAttribute("width", this.properties.width-this.properties.padding.left-this.properties.padding.right);
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rect.setAttribute("height", this.properties.height-this.properties.padding.bottom-this.properties.padding.bottom);
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rect.setAttribute("fill", "#fff");
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this.plotArea.appendChild(rect);
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// data group
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this.dataGroup = document.createElementNS(dojo.svg.xmlns.svg, "g");
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this.dataGroup.setAttribute("style","clip-path:url(#plotClip"+this.widgetId+");");
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this.plotArea.appendChild(this.dataGroup);
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// axis group
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this.axisGroup = document.createElementNS(dojo.svg.xmlns.svg, "g");
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this.plotArea.appendChild(this.axisGroup);
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// x axis
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var stroke=1;
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var line = document.createElementNS(dojo.svg.xmlns.svg, "line");
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var y=dojo.widget.svg.Chart.Plotter.getY(this.properties.axes.x.plotAt, this);
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line.setAttribute("y1", y);
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line.setAttribute("y2", y);
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line.setAttribute("x1",this.properties.padding.left-stroke);
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line.setAttribute("x2",this.properties.width-this.properties.padding.right);
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line.setAttribute("style","stroke:#000;stroke-width:"+stroke+";");
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this.axisGroup.appendChild(line);
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// x axis units.
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// (min and max)
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var textSize=10;
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var text = document.createElementNS(dojo.svg.xmlns.svg, "text");
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text.setAttribute("x", this.properties.padding.left);
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text.setAttribute("y", this.properties.height-this.properties.padding.bottom+textSize+2);
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text.setAttribute("style", "text-anchor:middle;font-size:"+textSize+"px;fill:#000;");
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text.appendChild(document.createTextNode(dojo.math.round(parseFloat(this.properties.axes.x.range.min),2)));
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this.axisGroup.appendChild(text);
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var text = document.createElementNS(dojo.svg.xmlns.svg, "text");
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text.setAttribute("x", this.properties.width-this.properties.padding.right-(textSize/2));
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text.setAttribute("y", this.properties.height-this.properties.padding.bottom+textSize+2);
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text.setAttribute("style", "text-anchor:middle;font-size:"+textSize+"px;fill:#000;");
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text.appendChild(document.createTextNode(dojo.math.round(parseFloat(this.properties.axes.x.range.max),2)));
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this.axisGroup.appendChild(text);
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// y axis
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var line=document.createElementNS(dojo.svg.xmlns.svg, "line");
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var x=dojo.widget.svg.Chart.Plotter.getX(this.properties.axes.y.plotAt, this);
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line.setAttribute("x1", x);
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line.setAttribute("x2", x);
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line.setAttribute("y1", this.properties.padding.top);
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line.setAttribute("y2", this.properties.height-this.properties.padding.bottom);
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line.setAttribute("style", "stroke:#000;stroke-width:"+stroke+";");
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this.axisGroup.appendChild(line);
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// y axis units
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var text = document.createElementNS(dojo.svg.xmlns.svg, "text");
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text.setAttribute("x", this.properties.padding.left-4);
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text.setAttribute("y", this.properties.height-this.properties.padding.bottom);
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text.setAttribute("style", "text-anchor:end;font-size:"+textSize+"px;fill:#000;");
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text.appendChild(document.createTextNode(dojo.math.round(parseFloat(this.properties.axes.y.range.min),2)));
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this.axisGroup.appendChild(text);
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var text = document.createElementNS(dojo.svg.xmlns.svg, "text");
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text.setAttribute("x", this.properties.padding.left-4);
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text.setAttribute("y", this.properties.padding.top+(textSize/2));
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text.setAttribute("style", "text-anchor:end;font-size:"+textSize+"px;fill:#000;");
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text.appendChild(document.createTextNode(dojo.math.round(parseFloat(this.properties.axes.y.range.max),2)));
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this.axisGroup.appendChild(text);
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||||
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this.domNode.appendChild(this.vectorNode);
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dojo.svg.g.resume();
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// this is last.
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||||
this.assignColors();
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||||
this._isInitialized=true;
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||||
},
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destroy:function(){
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||||
while(this.domNode.childNodes.length>0){
|
||||
this.domNode.removeChild(this.domNode.childNodes.item(0));
|
||||
}
|
||||
this.vectorNode=this.plotArea=this.dataGroup=this.axisGroup=null;
|
||||
},
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||||
render:function(){
|
||||
dojo.svg.g.suspend();
|
||||
|
||||
if (this.dataGroup){
|
||||
while(this.dataGroup.childNodes.length>0){
|
||||
this.dataGroup.removeChild(this.dataGroup.childNodes.item(0));
|
||||
}
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||||
} else {
|
||||
this.initialize();
|
||||
}
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||||
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||||
// the remove/append is an attempt to streamline the rendering, it's totally optional
|
||||
// var p=this.dataGroup.parentNode;
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||||
// p.removeChild(this.dataGroup);
|
||||
for(var i=0; i<this.series.length; i++){
|
||||
dojo.widget.svg.Chart.Plotter.plot(this.series[i], this);
|
||||
}
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||||
// p.appendChild(this.dataGroup);
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||||
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||||
dojo.svg.g.resume();
|
||||
}
|
||||
});
|
||||
|
||||
dojo.widget.svg.Chart.Plotter=new function(){
|
||||
var _this=this;
|
||||
var plotters = {};
|
||||
var types=dojo.widget.Chart.PlotTypes;
|
||||
|
||||
this.getX=function(value, chart){
|
||||
var v=parseFloat(value);
|
||||
var min=chart.properties.axes.x.range.min;
|
||||
var max=chart.properties.axes.x.range.max;
|
||||
var ofst=0-min;
|
||||
min+=ofst; max+=ofst; v+=ofst;
|
||||
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||||
var xmin=chart.properties.padding.left;
|
||||
var xmax=chart.properties.width-chart.properties.padding.right;
|
||||
var x=(v*((xmax-xmin)/max))+xmin;
|
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return x;
|
||||
};
|
||||
this.getY=function(value, chart){
|
||||
var v=parseFloat(value);
|
||||
var max=chart.properties.axes.y.range.max;
|
||||
var min=chart.properties.axes.y.range.min;
|
||||
var ofst=0;
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||||
if(min<0)ofst+=Math.abs(min);
|
||||
min+=ofst; max+=ofst; v+=ofst;
|
||||
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||||
var ymin=chart.properties.height-chart.properties.padding.bottom;
|
||||
var ymax=chart.properties.padding.top;
|
||||
var y=(((ymin-ymax)/(max-min))*(max-v))+ymax;
|
||||
return y;
|
||||
};
|
||||
|
||||
this.addPlotter=function(name, func){
|
||||
plotters[name]=func;
|
||||
};
|
||||
this.plot=function(series, chart){
|
||||
if (series.values.length==0) return;
|
||||
if (series.plotType && plotters[series.plotType]){
|
||||
return plotters[series.plotType](series, chart);
|
||||
}
|
||||
else if (chart.plotType && plotters[chart.plotType]){
|
||||
return plotters[chart.plotType](series, chart);
|
||||
}
|
||||
};
|
||||
|
||||
// plotting
|
||||
plotters[types.Bar]=function(series, chart){
|
||||
var space=1;
|
||||
var lastW = 0;
|
||||
for (var i=0; i<series.values.length; i++){
|
||||
var x=_this.getX(series.values[i].x, chart);
|
||||
var w;
|
||||
if (i==series.values.length-1){
|
||||
w=lastW;
|
||||
} else{
|
||||
w=_this.getX(series.values[i+1].x, chart)-x-space;
|
||||
lastW=w;
|
||||
}
|
||||
x-=(w/2);
|
||||
|
||||
var yA=_this.getY(chart.properties.axes.x.plotAt, chart);
|
||||
var y=_this.getY(series.values[i].value, chart);
|
||||
var h=Math.abs(yA-y);
|
||||
if (parseFloat(series.values[i].value)<chart.properties.axes.x.plotAt){
|
||||
var oy=yA;
|
||||
yA=y;
|
||||
y=oy;
|
||||
}
|
||||
|
||||
var bar=document.createElementNS(dojo.svg.xmlns.svg, "rect");
|
||||
bar.setAttribute("fill", series.color);
|
||||
bar.setAttribute("title", series.label + ": " + series.values[i].value);
|
||||
bar.setAttribute("stroke-width", "0");
|
||||
bar.setAttribute("x", x);
|
||||
bar.setAttribute("y", y);
|
||||
bar.setAttribute("width", w);
|
||||
bar.setAttribute("height", h);
|
||||
bar.setAttribute("fill-opacity", "0.9");
|
||||
chart.dataGroup.appendChild(bar);
|
||||
}
|
||||
};
|
||||
plotters[types.Line]=function(series, chart){
|
||||
var tension=3;
|
||||
var line = document.createElementNS(dojo.svg.xmlns.svg, "path");
|
||||
line.setAttribute("fill", "none");
|
||||
line.setAttribute("stroke", series.color);
|
||||
line.setAttribute("stroke-width", "2");
|
||||
line.setAttribute("stroke-opacity", "0.85");
|
||||
line.setAttribute("title", series.label);
|
||||
chart.dataGroup.appendChild(line);
|
||||
|
||||
var path = [];
|
||||
for (var i=0; i<series.values.length; i++){
|
||||
var x = _this.getX(series.values[i].x, chart)
|
||||
var y = _this.getY(series.values[i].value, chart);
|
||||
|
||||
var dx = chart.properties.padding.left+1;
|
||||
var dy = chart.properties.height-chart.properties.padding.bottom;
|
||||
if (i>0){
|
||||
dx=x-_this.getX(series.values[i-1].x, chart);
|
||||
dy=_this.getY(series.values[i-1].value, chart);
|
||||
}
|
||||
|
||||
if (i==0) path.push("M");
|
||||
else {
|
||||
path.push("C");
|
||||
var cx=x-(tension-1)*(dx/tension);
|
||||
path.push(cx+","+dy);
|
||||
cx=x-(dx/tension);
|
||||
path.push(cx+","+y);
|
||||
}
|
||||
path.push(x+","+y);
|
||||
}
|
||||
line.setAttribute("d", path.join(" "));
|
||||
};
|
||||
plotters[types.Scatter]=function(series, chart){
|
||||
var r=7;
|
||||
for (var i=0; i<series.values.length; i++){
|
||||
var x=_this.getX(series.values[i].x, chart);
|
||||
var y=_this.getY(series.values[i].value, chart);
|
||||
var point = document.createElementNS(dojo.svg.xmlns.svg, "path");
|
||||
point.setAttribute("fill", series.color);
|
||||
point.setAttribute("stroke-width", "0");
|
||||
point.setAttribute("title", series.label + ": " + series.values[i].value);
|
||||
point.setAttribute("d",
|
||||
"M " + x + "," + (y-r) + " " +
|
||||
"Q " + x + "," + y + " " + (x+r) + "," + y + " " +
|
||||
"Q " + x + "," + y + " " + x + "," + (y+r) + " " +
|
||||
"Q " + x + "," + y + " " + (x-r) + "," + y + " " +
|
||||
"Q " + x + "," + y + " " + x + "," + (y-r) + " " +
|
||||
"Z"
|
||||
);
|
||||
chart.dataGroup.appendChild(point);
|
||||
}
|
||||
};
|
||||
plotters[types.Bubble]=function(series, chart){
|
||||
// added param for series[n].value: size
|
||||
var minR=1;
|
||||
|
||||
// do this off the x axis?
|
||||
var min=chart.properties.axes.x.range.min;
|
||||
var max=chart.properties.axes.x.range.max;
|
||||
var ofst=0-min;
|
||||
min+=ofst; max+=ofst;
|
||||
|
||||
var xmin=chart.properties.padding.left;
|
||||
var xmax=chart.properties.width-chart.properties.padding.right;
|
||||
var factor=(max-min)/(xmax-xmin)*25;
|
||||
|
||||
for (var i=0; i<series.values.length; i++){
|
||||
var size = series.values[i].size;
|
||||
if (isNaN(parseFloat(size))) size=minR;
|
||||
var point=document.createElementNS(dojo.svg.xmlns.svg, "circle");
|
||||
point.setAttribute("stroke-width", 0);
|
||||
point.setAttribute("fill", series.color);
|
||||
point.setAttribute("fill-opacity", "0.8");
|
||||
point.setAttribute("r", (parseFloat(size)*factor)/2);
|
||||
point.setAttribute("cx", _this.getX(series.values[i].x, chart));
|
||||
point.setAttribute("cy", _this.getY(series.values[i].value, chart));
|
||||
point.setAttribute("title", series.label + ": " + series.values[i].value + " (" + size + ")");
|
||||
chart.dataGroup.appendChild(point);
|
||||
}
|
||||
};
|
||||
}();
|
||||
Loading…
Add table
Add a link
Reference in a new issue