root / trunk / web / dojo / dojox / charting / DataSeries.js @ 12
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.charting.DataSeries"]){ |
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dojo._hasResource["dojox.charting.DataSeries"]=true; |
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dojo.provide("dojox.charting.DataSeries");
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dojo.require("dojox.lang.functional");
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dojo.declare("dojox.charting.DataSeries",null,{constructor:function(_1,_2,_3){ |
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this.store=_1;
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this.kwArgs=_2;
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if(_3){
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if(dojo.isFunction(_3)){
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this.value=_3;
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}else{
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if(dojo.isObject(_3)){
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this.value=dojo.hitch(this,"_dictValue",dojox.lang.functional.keys(_3),_3); |
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}else{
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this.value=dojo.hitch(this,"_fieldValue",_3); |
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} |
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} |
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}else{
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this.value=dojo.hitch(this,"_defaultValue"); |
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} |
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this.data=[];
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this._events=[];
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if(this.store.getFeatures()["dojo.data.api.Notification"]){ |
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this._events.push(dojo.connect(this.store,"onNew",this,"_onStoreNew"),dojo.connect(this.store,"onDelete",this,"_onStoreDelete"),dojo.connect(this.store,"onSet",this,"_onStoreSet")); |
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} |
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this.fetch();
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},destroy:function(){ |
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dojo.forEach(this._events,dojo.disconnect);
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},setSeriesObject:function(_4){ |
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this.series=_4;
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},_dictValue:function(_5,_6,_7,_8){ |
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var o={};
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dojo.forEach(_5,function(_9){
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o[_9]=_7.getValue(_8,_6[_9]); |
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}); |
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return o;
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},_fieldValue:function(_a,_b,_c){ |
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return _b.getValue(_c,_a);
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},_defaultValue:function(_d,_e){ |
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return _d.getValue(_e,"value"); |
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},fetch:function(){ |
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if(!this._inFlight){ |
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this._inFlight=true; |
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var _f=dojo.delegate(this.kwArgs); |
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_f.onComplete=dojo.hitch(this,"_onFetchComplete"); |
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_f.onError=dojo.hitch(this,"onFetchError"); |
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this.store.fetch(_f);
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} |
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},_onFetchComplete:function(_10,_11){ |
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this.items=_10;
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this._buildItemMap();
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this.data=dojo.map(this.items,function(_12){ |
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return this.value(this.store,_12); |
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},this);
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this._pushDataChanges();
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this._inFlight=false; |
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},onFetchError:function(_13,_14){ |
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this._inFlight=false; |
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},_buildItemMap:function(){ |
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if(this.store.getFeatures()["dojo.data.api.Identity"]){ |
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var _15={};
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dojo.forEach(this.items,function(_16,_17){ |
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_15[this.store.getIdentity(_16)]=_17;
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},this);
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this.itemMap=_15;
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} |
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},_pushDataChanges:function(){ |
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if(this.series){ |
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this.series.chart.updateSeries(this.series.name,this); |
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this.series.chart.delayedRender();
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} |
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},_onStoreNew:function(){ |
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this.fetch();
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},_onStoreDelete:function(_18){ |
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if(this.items){ |
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var _19=dojo.some(this.items,function(it,_1a){ |
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if(it===_18){
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this.items.splice(_1a,1); |
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this._buildItemMap();
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this.data.splice(_1a,1); |
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return true; |
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} |
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return false; |
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},this);
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if(_19){
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this._pushDataChanges();
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} |
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} |
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},_onStoreSet:function(_1b){ |
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if(this.itemMap){ |
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var id=this.store.getIdentity(_1b),_1c=this.itemMap[id]; |
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if(typeof _1c=="number"){ |
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this.data[_1c]=this.value(this.store,this.items[_1c]); |
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this._pushDataChanges();
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} |
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}else{
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if(this.items){ |
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var _1d=dojo.some(this.items,function(it,_1e){ |
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if(it===_1b){
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this.data[_1e]=this.value(this.store,it); |
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return true; |
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} |
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return false; |
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},this);
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if(_1d){
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this._pushDataChanges();
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} |
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} |
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} |
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}}); |
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} |