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
DesignChoiceConstants.INTERVAL_SECOND
		};
		return getIntervalChoiceArray( str );
	}
	private static IChoice[] getIntervalChoicesNumeric( )
	{
		String[] str = new String[]{
				DesignChoiceConstants.INTERVAL_NONE,
				DesignChoiceConstants.INTERVAL_INTERVAL,
		};
		return getIntervalChoiceArray( str );
	}
	/**
	 * Get intervalChoiceArray
	 * 
	 * @param str
	 * @return
	 */
	private static IChoice[] getIntervalChoiceArray( String[] str )
	{
		List choiceList = new ArrayList( );
		for ( int i = 0; i < intervalChoicesAll.length; i++ )
		{
			for ( int j = 0; j < str.length; j++ )
			{
				if ( intervalChoicesAll[i].getName( ).equals( str[j] ) )
				{
					choiceList.add( intervalChoicesAll[i] );
					break;
				}