Bug 214577 Support cube filter in chart
For chart consuming cube, need to support filtering on categories or series, possibly on values if time allows. The UI is similar to the filter dialog for cross tab, but there should be no measure or dimension concepts in chart's dialog.
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/StandardChartDataSheet.java
{
		this.itemHandle = itemHandle;
		this.dataProvider = dataProvider;
	}
	public Composite createActionButtons( Composite parent )
	{
		Composite composite = ChartUIUtil.createCompositeWrapper( parent );
		{
			composite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
					| GridData.VERTICAL_ALIGN_END ) );
		}
		btnFilters = new Button( composite, SWT.NONE );
		{
			btnFilters.setAlignment( SWT.CENTER );
			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
			btnFilters.setLayoutData( gridData );
			btnFilters.setText( Messages.getString( "StandardChartDataSheet.Label.Filters" ) ); 
			btnFilters.addListener( SWT.Selection, this );
		}
		btnParameters = new Button( composite, SWT.NONE );
		{
			btnParameters.setAlignment( SWT.CENTER );
			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
			btnParameters.setLayoutData( gridData );
			btnParameters.setText( Messages.getString( "StandardChartDataSheet.Label.Parameters" ) ); 
			btnParameters.addListener( SWT.Selection, this );
		}
		btnBinding = new Button( composite, SWT.NONE );
		{
			btnBinding.setAlignment( SWT.CENTER );