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.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
return text;
		}
		public void addListener( ILabelProviderListener listener )
		{
		}
		public void dispose( )
		{
		}
		public boolean isLabelProperty( Object element, String property )
		{
			return false;
		}
		public void removeListener( ILabelProviderListener listener )
		{
		}
	};
	private String highLightName = null;
	private ICellModifier cellModifier = new ICellModifier( ) {
		public boolean canModify( Object element, String property )
		{
			if ( property == null
					|| ( element == dummyChoice && !COLUMN_NAME.equals( property ) ) )
			{
				return false;
			}
			if ( COLUMN_AGGREGATEON.equals( property ) )
			{
				ComputedColumnHandle handle = ( (ComputedColumnHandle) element );
				if ( !ExpressionUtil.hasAggregation( handle.getExpression( ) )
						|| DEUtil.getGroupControlType( inputElement )