root / trunk / web / dojo / dojox / charting / DataChart.js @ 12
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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 | } |