Bug 200133 Chart can not share the column binding from table item[00]
Description: Chart can not share the column binding from table item[00] Step: 1. New a datasource and dataset 2. New a table named table1 and binding the dataset 3. New a chart and binding the sharing result set on table1 Actual result: The data columns have been not share on the chart Exceptioon result: The data column binding will share on the chart
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/wizard/TaskSelectData.java
private void refreshTablePreview( )
	{
		tablePreview.clearContents( );
		if ( cmbDataSet.getText( ) != null )
		{
			switchDataTable( );
		}
		tablePreview.layout( );
	}
	protected IDataServiceProvider getDataServiceProvider( )
	{
		return ( (ChartWizardContext) getContext( ) ).getDataServiceProvider( );
	}
	public void widgetDefaultSelected( SelectionEvent e )
	{
	}
	private boolean hasDataSet( )
	{
		return getDataServiceProvider( ).getReportDataSet( ) != null
				|| getDataServiceProvider( ).getBoundDataSet( ) != null;
	}
	public void dispose( )
	{
		super.dispose( );
		
		if ( previewPainter != null )
		{
			previewPainter.dispose( );
		}
		previewPainter = null;