Bug 136833 Group key is affected by Generate All button in group.
Description: Group key is affected by Generate All button in group. Steps to reproduce: 1. Insert a list 2. Add a group, select a group key, then click Generate All button. Actual result: Group key disappeared, you have to reset it.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/GroupDialog.java
while ( itor.hasNext( ) )
		{
			keyChooser.add( ( (ComputedColumnHandle) itor.next( ) ).getName( ) );
		}
	}
	private int getPagebreakAfterIndex( String pageBreakAfter )
	{
		int index = 0;
		for ( int i = 0; i < pagebreakAfterChoicesAll.length; i++ )
		{
			if ( pagebreakAfterChoicesAll[i].getName( ).equals( pageBreakAfter ) )
			{
				index = i;
				break;
			}
		}
		return index;
	}
	private int getPagebreakBeforeIndex( String pageBreakBefore )
	{
		int index = 0;
		for ( int i = 0; i < pagebreakBeforeChoicesAll.length; i++ )
		{
			if ( pagebreakBeforeChoicesAll[i].getName( )
					.equals( pageBreakBefore ) )
			{
				index = i;
				break;
			}
		}