Bug 176784 always-excluding-first and always-excluding-last in item properties pop up error[00]
Details: always-excluding-first and always-excluding-last in item properties pop up error Step: 1.New a report and add a label 2.Select the label and switch properties tab. 3.Select the section and set the page break as always-excluding-first or always-excluding-last. actual result: Pop up an error excepted result: If these selection are not supported, and please remove them. If these selection are supported, it can be set to the item.
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/ui/views/attributes/provider/PageLayoutPropertyDescriptorProvider.java
if(value != null)
		{
			int index = -1;
			index = Arrays.asList(getValues()).indexOf(value);
			if(index < 0)
			{
				return value;
			}else
			{
				return getItems()[index];
			}
		}
		return value;
	}
	public void save(Object value) throws SemanticException {		
		if(value != null)
		{
			int index = -1;
			index = Arrays.asList(getItems()).indexOf(value);
			if(index >= 0)
			{
				value = getValues()[index];
			}
		}
		
		super.save(value);
	}
	private static IChoiceSet choiceSet;
	/*
	 * (non-Javadoc)