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/ChartReportItemBuilderImpl.java
}
		return sExpression;
	}
	/**
	 * @deprecated
	 */
	public String invoke( String sExpression, Object oContext, String sTitle,
			boolean isChartProvider )
	{
		final ExpressionBuilder eb = new ExpressionBuilder( sExpression );
		eb.setExpressionProvier( new ChartExpressionProvider( ) );
		if ( sTitle != null )
		{
			eb.setDialogTitle( eb.getDialogTitle( ) + " - " + sTitle ); 
		}
		if ( eb.open( ) == Window.OK )
		{
			sExpression = eb.getResult( );
		}
		return sExpression;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.interfaces.IUIServiceProvider#validate(org.eclipse.birt.chart.model.Chart,
	 *      java.lang.Object)
	 */
	public final String[] validate( Chart cm, Object oContext )
	{
		final ArrayList alProblems = new ArrayList( 4 );