Bug 147020 Template reversion is not correct
Steps to reproduce: 1.New a table, add a data in table detail, convert it to a template report item 2.Bind the table with data set, double click the template report item Expected result: The template report item is reverted to data item first, "Select data binding" dialog pops up. Actual result: "Select data binding" dialog pops up. and no available column bindings listed. Please make sure the result of "Double click" is the same as context menu.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/PlaceHolderEditPart.java
.rollbackAll( );
			}
			finally
			{
				copiedHandle = null;
			}
		}
	}
	public void perfrormLabelEdit( boolean changed )
	{
		if ( changed )
		{
			performTransfer( );
			getCommandStack( ).commit( );
		}
		else
		{
			getCommandStack( ).rollbackAll( );
		}
	}
	private DesignElementHandle getDefaultHandle( )
	{
		return getTemplateModel( ).getDefaultElement( );
	}
	private TemplateElementHandle getTemplateModel( )
	{
		return (TemplateElementHandle) getModel( );
	}
}