Bug 167545 Copy a cascading parameter group and paste it to another parameter group causes an exception thrown
Steps to reproduce: 1.Copy a cascading parameter group using short cut key "Ctrl+x"/"Ctrl+c", or choosing context menu "Cut"/"Copy"; 2.Paste it to another parameter group using short cut key "Ctrl+v", or choosing context menu "Paste"; Expected result: The source one is pasted in the destination. Actual result: An exception thrown org.eclipse.birt.report.model.api.command.ContentException: The Cascading Parameter Group("Source") is not allowed in the slot (parameters) of Parameter Group("Destination").
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
private static final String XMLDATE_PATTERN_DATE_ONLY = "yyyy-MM-dd";
	private static final String XMLDATE_PATTERN_WITH_OUT_SECOND = "yyyy-MM-dd'T'HH:mm";
	private static final String XMLDATE_PATTERN_WITH_OUT_MILLISECOND = "yyyy-MM-dd'T'HH:mm:ss";
	static
	{
		propertiesMap.put( LabelHandle.TEXT_PROP, ELEMENT_LABELCONTENT_PROPERTY );
		propertiesMap.put( TextItemHandle.CONTENT_PROP,
				ELEMENT_LABELCONTENT_PROPERTY );
		
		notSupportList.add( getMetaDataDictionary( ).getElement( ReportDesignConstants.LINE_ITEM ) );
		notSupportList.add( getMetaDataDictionary( ).getElement( ReportDesignConstants.TEMPLATE_REPORT_ITEM ) );
		notSupportList.add( getMetaDataDictionary( ).getElement( ReportDesignConstants.FREE_FORM_ITEM ) );
		notSupportList.add( getMetaDataDictionary( ).getElement( ReportDesignConstants.GRAPHIC_MASTER_PAGE_ELEMENT ) );
	}
	/**
	 * Gets the support list of the given parent element and the slotID.
	 * 
	 * @param parent
	 *            the parent element
	 * @param slotId
	 *            the slotID
	 * @return the element list that is supported with the given parent element
	 *         and in the given slotID
	 */
	public static List getElementSupportList( DesignElementHandle parent,
			int slotId )
	{
		List list = new ArrayList( );
		ISlotDefn slotDefn = parent.getDefn( ).getSlot( slotId );
		if ( slotDefn != null )