root / trunk / web / dojo / dojox / charting / DataChart.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.charting.DataChart"]){ |
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| 9 | dojo._hasResource["dojox.charting.DataChart"]=true; |
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| 10 | dojo.provide("dojox.charting.DataChart");
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| 11 | dojo.require("dojox.charting.Chart2D");
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| 12 | dojo.require("dojox.charting.themes.PlotKit.blue");
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| 13 | dojo.experimental("dojox.charting.DataChart");
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| 14 | (function(){
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| 15 | var _1={vertical:true,min:0,max:10,majorTickStep:5,minorTickStep:1,natural:false,stroke:"black",majorTick:{stroke:"black",length:8},minorTick:{stroke:"gray",length:2},majorLabels:true}; |
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| 16 | var _2={natural:true,majorLabels:true,includeZero:false,majorTickStep:1,majorTick:{stroke:"black",length:8},fixUpper:"major",stroke:"black",htmlLabels:true,from:1}; |
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| 17 | var _3={markers:true,tension:2,gap:2}; |
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| 18 | dojo.declare("dojox.charting.DataChart",[dojox.charting.Chart2D],{scroll:true,comparative:false,query:"*",queryOptions:"",fieldName:"value",chartTheme:dojox.charting.themes.PlotKit.blue,displayRange:0,stretchToFit:true,minWidth:200,minHeight:100,showing:true,label:"name",constructor:function(_4,_5){ |
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| 19 | this.domNode=dojo.byId(_4);
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| 20 | dojo.mixin(this,_5);
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| 21 | this.xaxis=dojo.mixin(dojo.mixin({},_2),_5.xaxis);
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| 22 | if(this.xaxis.labelFunc=="seriesLabels"){ |
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| 23 | this.xaxis.labelFunc=dojo.hitch(this,"seriesLabels"); |
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| 24 | } |
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| 25 | this.yaxis=dojo.mixin(dojo.mixin({},_1),_5.yaxis);
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| 26 | if(this.yaxis.labelFunc=="seriesLabels"){ |
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| 27 | this.yaxis.labelFunc=dojo.hitch(this,"seriesLabels"); |
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| 28 | } |
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| 29 | this._events=[];
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| 30 | this.convertLabels(this.yaxis); |
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| 31 | this.convertLabels(this.xaxis); |
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| 32 | this.onSetItems={};
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| 33 | this.onSetInterval=0; |
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| 34 | this.dataLength=0; |
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| 35 | this.seriesData={};
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| 36 | this.seriesDataBk={};
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| 37 | this.firstRun=true; |
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| 38 | this.dataOffset=0; |
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| 39 | this.chartTheme.plotarea.stroke={color:"gray",width:3}; |
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| 40 | this.setTheme(this.chartTheme); |
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| 41 | if(this.displayRange){ |
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| 42 | this.stretchToFit=false; |
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| 43 | } |
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| 44 | if(!this.stretchToFit){ |
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| 45 | this.xaxis.to=this.displayRange; |
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| 46 | } |
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| 47 | this.addAxis("x",this.xaxis); |
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| 48 | this.addAxis("y",this.yaxis); |
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| 49 | _3.type=_5.type||"Markers";
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| 50 | this.addPlot("default",dojo.mixin(_3,_5.chartPlot)); |
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| 51 | this.addPlot("grid",dojo.mixin(_5.grid||{},{type:"Grid",hMinorLines:true})); |
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| 52 | if(this.showing){ |
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| 53 | this.render();
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| 54 | } |
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| 55 | if(_5.store){
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| 56 | this.setStore(_5.store,_5.query,_5.fieldName,_5.queryOptions);
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| 57 | } |
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| 58 | },destroy:function(){ |
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| 59 | dojo.forEach(this._events,dojo.disconnect);
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| 60 | this.inherited(arguments); |
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| 61 | },setStore:function(_6,_7,_8,_9){ |
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| 62 | this.firstRun=true; |
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| 63 | this.store=_6||this.store; |
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| 64 | this.query=_7||this.query; |
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| 65 | this.fieldName=_8||this.fieldName; |
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| 66 | this.label=this.store.getLabelAttributes(); |
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| 67 | this.queryOptions=_9||_9;
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| 68 | dojo.forEach(this._events,dojo.disconnect);
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| 69 | this._events=[dojo.connect(this.store,"onSet",this,"onSet"),dojo.connect(this.store,"onError",this,"onError")]; |
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| 70 | this.fetch();
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| 71 | },show:function(){ |
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| 72 | if(!this.showing){ |
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| 73 | dojo.style(this.domNode,"display",""); |
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| 74 | this.showing=true; |
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| 75 | this.render();
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| 76 | } |
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| 77 | },hide:function(){ |
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| 78 | if(this.showing){ |
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| 79 | dojo.style(this.domNode,"display","none"); |
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| 80 | this.showing=false; |
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| 81 | } |
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| 82 | },onSet:function(_a){ |
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| 83 | var nm=this.getProperty(_a,this.label); |
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| 84 | if(nm in this.runs||this.comparative){ |
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| 85 | clearTimeout(this.onSetInterval);
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| 86 | if(!this.onSetItems[nm]){ |
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| 87 | this.onSetItems[nm]=_a;
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| 88 | } |
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| 89 | this.onSetInterval=setTimeout(dojo.hitch(this,function(){ |
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| 90 | clearTimeout(this.onSetInterval);
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| 91 | var _b=[];
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| 92 | for(var nm in this.onSetItems){ |
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| 93 | _b.push(this.onSetItems[nm]);
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| 94 | } |
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| 95 | this.onData(_b);
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| 96 | this.onSetItems={};
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| 97 | }),200);
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| 98 | } |
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| 99 | },onError:function(_c){ |
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| 100 | console.error("DataChart Error:",_c);
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| 101 | },onDataReceived:function(_d){ |
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| 102 | },getProperty:function(_e,_f){ |
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| 103 | if(_f==this.label){ |
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| 104 | return this.store.getLabel(_e); |
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| 105 | } |
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| 106 | if(_f=="id"){ |
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| 107 | return this.store.getIdentity(_e); |
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| 108 | } |
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| 109 | var _10=this.store.getValues(_e,_f); |
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| 110 | if(_10.length<2){ |
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| 111 | _10=this.store.getValue(_e,_f);
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| 112 | } |
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| 113 | return _10;
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| 114 | },onData:function(_11){ |
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| 115 | if(!_11||!_11.length){
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| 116 | return;
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| 117 | } |
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| 118 | if(this.items&&this.items.length!=_11.length){ |
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| 119 | dojo.forEach(_11,function(m){
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| 120 | var id=this.getProperty(m,"id"); |
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| 121 | dojo.forEach(this.items,function(m2,i){ |
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| 122 | if(this.getProperty(m2,"id")==id){ |
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| 123 | this.items[i]=m2;
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| 124 | } |
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| 125 | },this);
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| 126 | },this);
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| 127 | _11=this.items;
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| 128 | } |
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| 129 | if(this.stretchToFit){ |
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| 130 | this.displayRange=_11.length;
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| 131 | } |
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| 132 | this.onDataReceived(_11);
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| 133 | this.items=_11;
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| 134 | if(this.comparative){ |
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| 135 | var nm="default"; |
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| 136 | this.seriesData[nm]=[];
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| 137 | this.seriesDataBk[nm]=[];
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| 138 | dojo.forEach(_11,function(m,i){
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| 139 | var _12=this.getProperty(m,this.fieldName); |
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| 140 | this.seriesData[nm].push(_12);
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| 141 | },this);
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| 142 | }else{
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| 143 | dojo.forEach(_11,function(m,i){
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| 144 | var nm=this.store.getLabel(m); |
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| 145 | if(!this.seriesData[nm]){ |
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| 146 | this.seriesData[nm]=[];
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| 147 | this.seriesDataBk[nm]=[];
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| 148 | } |
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| 149 | var _13=this.getProperty(m,this.fieldName); |
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| 150 | if(dojo.isArray(_13)){
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| 151 | this.seriesData[nm]=_13;
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| 152 | }else{
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| 153 | if(!this.scroll){ |
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| 154 | var ar=dojo.map(new Array(i+1),function(){ |
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| 155 | return 0; |
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| 156 | }); |
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| 157 | ar.push(Number(_13)); |
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| 158 | this.seriesData[nm]=ar;
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| 159 | }else{
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| 160 | if(this.seriesDataBk[nm].length>this.seriesData[nm].length){ |
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| 161 | this.seriesData[nm]=this.seriesDataBk[nm]; |
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| 162 | } |
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| 163 | this.seriesData[nm].push(Number(_13));
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| 164 | } |
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| 165 | this.seriesDataBk[nm].push(Number(_13));
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| 166 | } |
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| 167 | },this);
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| 168 | } |
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| 169 | var _14;
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| 170 | if(this.firstRun){ |
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| 171 | this.firstRun=false; |
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| 172 | for(nm in this.seriesData){ |
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| 173 | this.addSeries(nm,this.seriesData[nm]); |
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| 174 | _14=this.seriesData[nm];
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| 175 | } |
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| 176 | }else{
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| 177 | for(nm in this.seriesData){ |
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| 178 | _14=this.seriesData[nm];
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| 179 | if(this.scroll&&_14.length>this.displayRange){ |
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| 180 | this.dataOffset=_14.length-this.displayRange-1; |
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| 181 | _14=_14.slice(_14.length-this.displayRange,_14.length);
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| 182 | } |
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| 183 | this.updateSeries(nm,_14);
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| 184 | } |
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| 185 | } |
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| 186 | this.dataLength=_14.length;
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| 187 | if(this.showing){ |
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| 188 | this.render();
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| 189 | } |
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| 190 | },fetch:function(){ |
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| 191 | if(!this.store){ |
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| 192 | return;
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| 193 | } |
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| 194 | this.store.fetch({query:this.query,queryOptions:this.queryOptions,start:this.start,count:this.count,sort:this.sort,onComplete:dojo.hitch(this,function(_15){ |
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| 195 | setTimeout(dojo.hitch(this,function(){ |
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| 196 | this.onData(_15);
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| 197 | }),0);
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| 198 | }),onError:dojo.hitch(this,"onError")}); |
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| 199 | },convertLabels:function(_16){ |
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| 200 | if(!_16.labels||dojo.isObject(_16.labels[0])){ |
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| 201 | return null; |
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| 202 | } |
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| 203 | _16.labels=dojo.map(_16.labels,function(ele,i){
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| 204 | return {value:i,text:ele}; |
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| 205 | }); |
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| 206 | return null; |
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| 207 | },seriesLabels:function(val){ |
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| 208 | val--; |
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| 209 | if(this.series.length<1||(!this.comparative&&val>this.series.length)){ |
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| 210 | return "-"; |
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| 211 | } |
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| 212 | if(this.comparative){ |
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| 213 | return this.store.getLabel(this.items[val]); |
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| 214 | }else{
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| 215 | for(var i=0;i<this.series.length;i++){ |
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| 216 | if(this.series[i].data[val]>0){ |
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| 217 | return this.series[i].name; |
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| 218 | } |
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| 219 | } |
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| 220 | } |
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| 221 | return "-"; |
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| 222 | },resizeChart:function(dim){ |
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| 223 | var w=Math.max(dim.w,this.minWidth); |
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| 224 | var h=Math.max(dim.h,this.minHeight); |
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| 225 | this.resize(w,h);
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| 226 | }}); |
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| 227 | })(); |
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| 228 | } |