root / trunk / web / dojo / dojox / charting / DataSeries.js @ 10
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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.DataSeries"]){ |
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| 9 | dojo._hasResource["dojox.charting.DataSeries"]=true; |
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| 10 | dojo.provide("dojox.charting.DataSeries");
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| 11 | dojo.require("dojox.lang.functional");
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| 12 | dojo.declare("dojox.charting.DataSeries",null,{constructor:function(_1,_2,_3){ |
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| 13 | this.store=_1;
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| 14 | this.kwArgs=_2;
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| 15 | if(_3){
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| 16 | if(dojo.isFunction(_3)){
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| 17 | this.value=_3;
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| 18 | }else{
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| 19 | if(dojo.isObject(_3)){
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| 20 | this.value=dojo.hitch(this,"_dictValue",dojox.lang.functional.keys(_3),_3); |
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| 21 | }else{
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| 22 | this.value=dojo.hitch(this,"_fieldValue",_3); |
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| 23 | } |
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| 24 | } |
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| 25 | }else{
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| 26 | this.value=dojo.hitch(this,"_defaultValue"); |
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| 27 | } |
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| 28 | this.data=[];
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| 29 | this._events=[];
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| 30 | if(this.store.getFeatures()["dojo.data.api.Notification"]){ |
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| 31 | 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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| 32 | } |
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| 33 | this.fetch();
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| 34 | },destroy:function(){ |
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| 35 | dojo.forEach(this._events,dojo.disconnect);
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| 36 | },setSeriesObject:function(_4){ |
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| 37 | this.series=_4;
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| 38 | },_dictValue:function(_5,_6,_7,_8){ |
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| 39 | var o={};
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| 40 | dojo.forEach(_5,function(_9){
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| 41 | o[_9]=_7.getValue(_8,_6[_9]); |
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| 42 | }); |
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| 43 | return o;
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| 44 | },_fieldValue:function(_a,_b,_c){ |
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| 45 | return _b.getValue(_c,_a);
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| 46 | },_defaultValue:function(_d,_e){ |
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| 47 | return _d.getValue(_e,"value"); |
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| 48 | },fetch:function(){ |
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| 49 | if(!this._inFlight){ |
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| 50 | this._inFlight=true; |
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| 51 | var _f=dojo.delegate(this.kwArgs); |
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| 52 | _f.onComplete=dojo.hitch(this,"_onFetchComplete"); |
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| 53 | _f.onError=dojo.hitch(this,"onFetchError"); |
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| 54 | this.store.fetch(_f);
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| 55 | } |
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| 56 | },_onFetchComplete:function(_10,_11){ |
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| 57 | this.items=_10;
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| 58 | this._buildItemMap();
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| 59 | this.data=dojo.map(this.items,function(_12){ |
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| 60 | return this.value(this.store,_12); |
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| 61 | },this);
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| 62 | this._pushDataChanges();
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| 63 | this._inFlight=false; |
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| 64 | },onFetchError:function(_13,_14){ |
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| 65 | this._inFlight=false; |
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| 66 | },_buildItemMap:function(){ |
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| 67 | if(this.store.getFeatures()["dojo.data.api.Identity"]){ |
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| 68 | var _15={};
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| 69 | dojo.forEach(this.items,function(_16,_17){ |
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| 70 | _15[this.store.getIdentity(_16)]=_17;
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| 71 | },this);
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| 72 | this.itemMap=_15;
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| 73 | } |
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| 74 | },_pushDataChanges:function(){ |
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| 75 | if(this.series){ |
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| 76 | this.series.chart.updateSeries(this.series.name,this); |
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| 77 | this.series.chart.delayedRender();
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| 78 | } |
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| 79 | },_onStoreNew:function(){ |
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| 80 | this.fetch();
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| 81 | },_onStoreDelete:function(_18){ |
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| 82 | if(this.items){ |
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| 83 | var _19=dojo.some(this.items,function(it,_1a){ |
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| 84 | if(it===_18){
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| 85 | this.items.splice(_1a,1); |
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| 86 | this._buildItemMap();
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| 87 | this.data.splice(_1a,1); |
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| 88 | return true; |
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| 89 | } |
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| 90 | return false; |
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| 91 | },this);
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| 92 | if(_19){
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| 93 | this._pushDataChanges();
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| 94 | } |
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| 95 | } |
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| 96 | },_onStoreSet:function(_1b){ |
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| 97 | if(this.itemMap){ |
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| 98 | var id=this.store.getIdentity(_1b),_1c=this.itemMap[id]; |
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| 99 | if(typeof _1c=="number"){ |
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| 100 | this.data[_1c]=this.value(this.store,this.items[_1c]); |
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| 101 | this._pushDataChanges();
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| 102 | } |
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| 103 | }else{
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| 104 | if(this.items){ |
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| 105 | var _1d=dojo.some(this.items,function(it,_1e){ |
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| 106 | if(it===_1b){
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| 107 | this.data[_1e]=this.value(this.store,it); |
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| 108 | return true; |
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| 109 | } |
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| 110 | return false; |
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| 111 | },this);
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| 112 | if(_1d){
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| 113 | this._pushDataChanges();
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| 114 | } |
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| 115 | } |
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| 116 | } |
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| 117 | }}); |
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| 118 | } |