【原创】关于flexviewer中引入图表时报的TypeError #1009解决方法

     在自定义的widget中引入图表后，运行时出现TypeError #1009错误。本人网上查找了很多资料，其中大部分都是关于Flash中的动画效果问题，与这里的问题关系型不太大。故把问题的解决方法写在这里，与人方便，与己方便。

     方法一:

     1.在自定义的widget中添加如下两个方法:

                      private function copyStyleFromParent(selector:String):void

                     {

                            var chartBaseStyle:CSSStyleDeclaration = styleManager.getStyleDeclaration(selector);

                            if (!chartBaseStyle && styleManager.parent)

                           {

                                   var parentStyle:CSSStyleDeclaration = styleManager.parent.getStyleDeclaration(selector);

                                   if (parentStyle)

                                  {

                                         styleManager.setStyleDeclaration(selector, parentStyle, false);

                                  }

                           }

                     }

 

                      protected function preinitializeHandler ():void

                     {

                            var styleObjects:Array =new Array();//FlexGlobals.topLevelApplication.styleManager.selectors;

                           styleObjects.push( "mx.charts.chartClasses.ChartBase" );

                            styleObjects.push( "mx.charts.chartClasses.CartesianChart" );

                            styleObjects.push( "mx.charts.chartClasses.PolarChart" );

                           styleObjects.push( "mx.charts.BarChart");

                           styleObjects.push( "mx.charts.ColumnChart" );

                           styleObjects.push( "mx.charts.LineChart");

                           styleObjects.push( "mx.charts.PieChart");

                           styleObjects.push( "mx.charts.AxisRenderer" );

                           styleObjects.push( ".blockCategoryAxis");

                           styleObjects.push( ".blockNumericAxis");

                           styleObjects.push( ".linedNumericAxis");

                           styleObjects.push( ".dashedNumericAxis");

                           styleObjects.push( ".dashedCategoryAxis");

                           styleObjects.push( ".hangingCategoryAxis");

                           styleObjects.push( "mx.charts.GridLines");

                           styleObjects.push( ".horizontalGridLines");

                           styleObjects.push( "mx.charts.series.BarSeries" );

                           styleObjects.push( "mx.charts.series.ColumnSeries" );

                           styleObjects.push( "mx.charts.series.LineSeries" );

                           styleObjects.push( "mx.charts.series.PieSeries" );

                           

                            for each(var styleObj:String in styleObjects) {

                             

                                  copyStyleFromParent(styleObj);

                           }

                     }

　　2.在该自定义widget头部中添加preinitialize="preinitializeHandler ()" 。

      方法二:

      在自定义widget中覆盖父类的moduleFactory方法:

　　override public function get moduleFactory():IFlexModuleFactory {

 　　　　return FlexGlobals.topLevelApplication.moduleFactory;

 　　}