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
* 
	 * @see org.eclipse.birt.report.designer.internal.ui.views.attributes.provider.IDescriptorProvider#setInput(java.lang.Object)
	 */
	public void setInput(Object input) {
		this.input = input;
		GroupElementHandle multiSelectionHandle = DEUtil.getMultiSelectionHandle( DEUtil.getInputElements( input ) );
		choiceSet = multiSelectionHandle.getPropertyHandle( getProperty( ) )
				.getPropertyDefn( )
				.getChoices( );
	}
	public String[] getItems() {
		IChoice choice[]= choiceSet.getChoices( );
		String[] items = new String[choice.length];
		for(int i = 0; i < choice.length; i ++)
		{
			items[i] = choice[i].getDisplayName( );
		}
		return items;
	}
	public String[] getValues() {
		IChoice choice[]= choiceSet.getChoices( );
		String[] items = new String[choice.length];
		for(int i = 0; i < choice.length; i ++)
		{
			items[i] = choice[i].getName( );
		}
		return items;
	}
}