_mergeOption: function () {
if (this._mergeOptionFlag && this._mergedOptions){
this._mergedOptions = helper.merge(this._mergedOptions , this._options);
}else{
this._mergedOptions = this._options;
}
this.originOptions = helper.merge(helper.clone(this._defaultOptions) , this._mergedOptions);
var component , prop , renderer;
// 检查renderer类型。
var rendererType = this.originOptions.chart.renderer;
if (this.renderer){
var oldType = this.renderer.type;
if (oldType !== rendererType){
this.renderer.destroy();
for (prop in this._components) { this._components[prop].destroy(); }
this._components = {};
for (prop in this._chartPlots) { this._chartPlots[prop].destroy(); }
this._chartPlots = {};
this.dom.innerHTML = ""
this.renderer = ChartFactory.createRenderer(rendererType , this.dom);
}
}else{
this.renderer = ChartFactory.createRenderer(rendererType , this.dom);
}
// 更新options
for (prop in this.originOptions) {
if (this._components[prop]){
this._components[prop].options(this.originOptions);
}else{
renderer = ChartFactory.createRenderer(this.renderer.type , this._getComponentGroup());
component = ChartFactory.createComponent(prop , this , renderer);
if (component){
this._components[prop] = component;
this._enterComponents.push(component);
}
}
}
for (prop in this._chartPlots) {
this._chartPlots[prop].options(this.originOptions);
}
} ,
_performData: function () {
var header , data , plotTypes , plot , type , i;
// 准备数据
if (!this._data){
this.originData = null;
}else{
if (oop.is(this._data , Array)){
header = this._data[0];
data = this._data.slice(1);
// 一维数组,转为二维结构。
if (!oop.is(header , Array)){
header = [header];
data = [data];
}
this.originData = {
header: header ,
data: data
}
} else if (typeof this._data === "object") {
header = this._data.header;
data = this._data.data;
if (!header || !data || !oop.is(header , Array) || oop.is(data , Array)){
this.originData = null;
}else{
this.originData = data;
}
} else {
this.originData = null;
}
}
// 解析header
plotTypes = {};
if (this.originData){
header = this.originData.header;
data = this.originData.data;
for (i = 0; i < header.length; i++) {
if (header[i].plotType){
plotTypes[header[i].plotType] = true;
}
}
}
// 更新或删除plot
for (type in this._chartPlots) {
if (plotTypes[type] === true){
this._chartPlots[type].data(this.originData);
delete plotTypes[type];
}else{
this._chartPlots[type].destroy();
delete this._chartPlots[type];
}
}
// 创建plot
var renderer;
for (type in plotTypes) {
renderer = ChartFactory.createRenderer(this.renderer.type , this._getChartPlotGroup());
plot = ChartFactory.createChartPlot(type , this , renderer);
if (plot){
this._chartPlots[type] = plot;
this._enterComponents.push(plot);
}
}
// 更新components
for (type in this._components) {
this._components[type].data(this.originData);
}
} ,