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
}
	}
	protected boolean initDialog( )
	{
		if ( canSelect )
		{
			if ( inputElement instanceof DataItemHandle )
			{
				selectedColumnName = ( (DataItemHandle) inputElement ).getResultSetColumn( );
				updateSelection( );
			}
			else if ( inputElement instanceof ImageHandle )
			{
				selectedColumnName = getColumnName( ( (ImageHandle) inputElement ).getValueExpression( ) );
				updateSelection( );
			}
		}
		/*
		 * generateButton.setEnabled( inputElement.getDataSet( ) != null ||
		 * DEUtil.getBindingHolder( inputElement ).getDataSet( ) != null );
		 */
		updateButtons( );
		return super.initDialog( );
	}
	private String getColumnName( String expression )
	{
		DataSetHandle dataSetHandle = inputElement.getDataSet( );
		List columnList = new ArrayList( );
		try
		{