Bug 190207 Integrate Aggregation builder with charts
Charts should be able to use aggregates in their databinding definition. The UI is missing the "Add Aggregation..." button in the chart databinding dialog.
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ReportDataServiceProvider.java
public int invoke( int command )
	{
		if ( command == COMMAND_NEW_DATASET )
		{
			return invokeNewDataSet( );
		}
		else if ( command == COMMAND_EDIT_FILTER )
		{
			return invokeEditFilter( );
		}
		else if ( command == COMMAND_EDIT_PARAMETER )
		{
			return invokeEditParameter( );
		}
		else if ( command == COMMAND_EDIT_BINDING )
		{
			return invokeDataBinding( );
		}
		return Window.CANCEL;
	}
	protected int invokeNewDataSet( )
	{
		List dataSources = getReportDesignHandle( ).getVisibleDataSources( );
		if ( dataSources.isEmpty( ) )
		{
			
			new NewDataSourceAction( ).run( );
		}
		IAction action = new NewDataSetAction( );
		PlatformUI.getWorkbench( ).getHelpSystem( ).setHelp( action,