chart-min.js

Ext JS是一个创建丰富互联网应用程序的跨浏览器的JavaScrip库。它包含：高效率

/*
 * Ext JS Library 3.0 Pre-alpha
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */


Ext.chart.Chart=Ext.extend(Ext.FlashComponent,{url:"http:/"+"/yui.yahooapis.com/2.5.1/build/charts/assets/charts.swf",refreshBuffer:100,chartStyle:{padding:10,animationEnabled:true,font:{name:'Tahoma',color:0x444444,size:11},dataTip:{padding:5,border:{color:0x99bbe8,size:1},background:{color:0xDAE7F6,alpha:.9},font:{name:'Tahoma',color:0x15428B,size:10,bold:true}}},initComponent:function(){Ext.chart.Chart.superclass.initComponent.call(this);this.addEvents('itemmouseover','itemmouseout','itemclick','itemdoubleclick','itemdragstart','itemdrag','itemdragend');},setStyle:function(name,value){value=Ext.encode(value);this.swf.setStyle(name,value);},setStyles:function(styles){styles=Ext.encode(styles);this.swf.setStyles(styles);},setSeriesStyles:function(styles){for(var i=0;i<styles.length;i++){styles[i]=Ext.encode(styles[i]);}
this.swf.setSeriesStyles(styles);},setCategoryNames:function(names){this.swf.setCategoryNames(names);},setTipRenderer:function(fn){var chart=this;this.tipFnName=this.createFnProxy(function(item,index,series){var record=chart.store.getAt(index);return fn(chart,record,index,series);},this.tipFnName);this.swf.setDataTipFunction(this.tipFnName);},setSeries:function(series){this.series=series;this.refresh();},bindStore:function(store,initial){if(!initial&&this.store){this.store.un("datachanged",this.refresh,this);this.store.un("add",this.delayRefresh,this);this.store.un("remove",this.delayRefresh,this);this.store.un("update",this.delayRefresh,this);this.store.un("clear",this.refresh,this);if(store!==this.store&&this.store.autoDestroy){this.store.destroy();}}
if(store){store=Ext.StoreMgr.lookup(store);store.on("datachanged",this.refresh,this);store.on("add",this.delayRefresh,this);store.on("remove",this.delayRefresh,this);store.on("update",this.delayRefresh,this);store.on("clear",this.refresh,this);}
this.store=store;if(store&&!initial){this.refresh();}},onSwfReady:function(isReset){Ext.chart.Chart.superclass.onSwfReady.call(this,isReset);this.swf.setType(this.type);if(this.chartStyle){this.setStyles(this.chartStyle);}
if(this.categoryNames){this.setCategoryNames(this.categoryNames);}
if(this.tipRenderer){this.setTipRenderer(this.tipRenderer);}
if(!isReset){this.bindStore(this.store,true);}
this.refresh.defer(10,this);},delayRefresh:function(){if(!this.refreshTask){this.refreshTask=new Ext.util.DelayedTask(this.refresh,this);}
this.refreshTask.delay(this.refreshBuffer);},refresh:function(){var styleChanged=false;var data=[],rs=this.store.data.items;for(var j=0,len=rs.length;j<len;j++){data[j]=rs[j].data;}
var dataProvider=[];var seriesCount=0;var currentSeries=null;var i=0;if(this.series){seriesCount=this.series.length;for(i=0;i<seriesCount;i++){currentSeries=this.series[i];var clonedSeries={};for(var prop in currentSeries){if(prop=="style"&&currentSeries.style!==null){clonedSeries.style=Ext.encode(currentSeries.style);styleChanged=true;}else{clonedSeries[prop]=currentSeries[prop];}}
dataProvider.push(clonedSeries);}}
if(seriesCount>0){for(i=0;i<seriesCount;i++){currentSeries=dataProvider[i];if(!currentSeries.type){currentSeries.type=this.type;}
currentSeries.dataProvider=data;}}else{dataProvider.push({type:this.type,dataProvider:data});}
this.swf.setDataProvider(dataProvider,(this.isFirst=(this.isFirst===undefined)));},createFnProxy:function(fn,old){if(old){delete window[old];}
var fnName="extFnProxy"+(++Ext.chart.Chart.PROXY_FN_ID);window[fnName]=fn;return fnName;}});Ext.reg('chart',Ext.chart.Chart);Ext.chart.Chart.PROXY_FN_ID=0;Ext.chart.PieChart=Ext.extend(Ext.chart.Chart,{type:'pie',onSwfReady:function(isReset){Ext.chart.PieChart.superclass.onSwfReady.call(this,isReset);this.setDataField(this.dataField);this.setCategoryField(this.categoryField);},setDataField:function(field){this.dataField=field;this.swf.setDataField(field);},setCategoryField:function(field){this.categoryField=field;this.swf.setCategoryField(field);}});Ext.reg('piechart',Ext.chart.PieChart);Ext.chart.CartesianChart=Ext.extend(Ext.chart.Chart,{onSwfReady:function(isReset){Ext.chart.CartesianChart.superclass.onSwfReady.call(this,isReset);if(this.xField){this.setXField(this.xField);}
if(this.yField){this.setYField(this.yField);}
if(this.xAxis){this.setXAxis(this.xAxis);}
if(this.yAxis){this.setYAxis(this.yAxis);}},setXField:function(value){this.xField=value;this.swf.setHorizontalField(value);},setYField:function(value){this.yField=value;this.swf.setVerticalField(value);},setXAxis:function(value){this.xAxis=this.createAxis('xAxis',value);this.swf.setHorizontalAxis(this.xAxis);},setYAxis:function(value){this.yAxis=this.createAxis('yAxis',value);this.swf.setVerticalAxis(this.yAxis);},createAxis:function(axis,value){var o=Ext.apply({},value),oldFn=null;if(this[axis]){oldFn=this[axis].labelFunction;}
if(o.labelRenderer){var fn=o.labelRenderer;o.labelFunction=this.createFnProxy(function(v){return fn(v);},oldFn);delete o.labelRenderer;}
return o;}});Ext.reg('cartesianchart',Ext.chart.CartesianChart);Ext.chart.LineChart=Ext.extend(Ext.chart.CartesianChart,{type:'line'});Ext.reg('linechart',Ext.chart.LineChart);Ext.chart.ColumnChart=Ext.extend(Ext.chart.CartesianChart,{type:'column'});Ext.reg('columnchart',Ext.chart.ColumnChart);Ext.chart.BarChart=Ext.extend(Ext.chart.CartesianChart,{type:'bar'});Ext.reg('barchart',Ext.chart.BarChart);Ext.chart.Axis=function(config){Ext.apply(this,config);};Ext.chart.Axis.prototype={type:null,orientation:"horizontal",reverse:false,labelFunction:null,hideOverlappingLabels:true};Ext.chart.NumericAxis=Ext.extend(Ext.chart.Axis,{type:"numeric",minimum:NaN,maximum:NaN,majorUnit:NaN,minorUnit:NaN,snapToUnits:true,alwaysShowZero:true,scale:"linear"});Ext.chart.TimeAxis=Ext.extend(Ext.chart.Axis,{type:"time",minimum:null,maximum:null,majorUnit:NaN,majorTimeUnit:null,minorUnit:NaN,minorTimeUnit:null,snapToUnits:true});Ext.chart.CategoryAxis=Ext.extend(Ext.chart.Axis,{type:"category",categoryNames:null});Ext.chart.Series=function(config){Ext.apply(this,config);};Ext.chart.Series.prototype={type:null,displayName:null};Ext.chart.CartesianSeries=Ext.extend(Ext.chart.Series,{xField:null,yField:null});Ext.chart.ColumnSeries=Ext.extend(Ext.chart.CartesianSeries,{type:"column"});Ext.chart.LineSeries=Ext.extend(Ext.chart.CartesianSeries,{type:"line"});Ext.chart.BarSeries=Ext.extend(Ext.chart.CartesianSeries,{type:"bar"});Ext.chart.PieSeries=Ext.extend(Ext.chart.Series,{type:"pie",dataField:null,categoryField:null});