Bug 190957 The cancel button in group level dialog in cube take no effect[1101]
Description: The cancel button in group level dialog in cube take no effect[1101] Build number: 2.2.0.v20070605-0630 Steps to reproduce: 1, New a cube 2, New a level 3, Do some operations on the level 4, Click cancel button Expected result: The cancel button can take effect to cancel all the operations Actual result: The cancel button take no effect and all the operations have done
UI/org.eclipse.birt.report.designer.ui.cubebuilder/src/org/eclipse/birt/report/designer/ui/cubebuilder/page/CubeGroupContent.java
ExceptionHandler.handle( e1 );
							SessionHandleAdapter.getInstance( )
									.getCommandStack( )
									.rollback( );
						}
					}
					else
						SessionHandleAdapter.getInstance( )
								.getCommandStack( )
								.rollback( );
					refresh( );
				}
			}
		}
	}
	private boolean isDateType( String dataType )
	{
		return dataType.equals( DesignChoiceConstants.COLUMN_DATA_TYPE_DATETIME )
				|| dataType.equals( DesignChoiceConstants.COLUMN_DATA_TYPE_DATE )
				|| dataType.equals( DesignChoiceConstants.COLUMN_DATA_TYPE_TIME );
	}
	protected void handleDataAddEvent( )
	{
		TreeSelection dataFields = (TreeSelection) dataFieldsViewer.getSelection( );
		Iterator iterator = dataFields.iterator( );
		while ( iterator.hasNext( ) )
		{
			Object temp = iterator.next( );
			if ( !( temp instanceof ResultSetColumnHandle ) )
				continue;