Bug 214706 Script UID doens't work for Chart
Use chart "onRender" property handle and call ModuleUtil.getScriptUID(), it generates the id. But later use this id to get back the PropertyHandle or Script content, it fails.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
}
		else
		{
			removeItem( posn );
		}
	}
	/**
	 * Determines if the slot can contain an element with the type of
	 * <code>type</code>.
	 * 
	 * @param type
	 *            the name of the element type, like "Table", "List", etc.
	 * @return <code>true</code> if the slot can contain the an element with
	 *         <code>type</code> type, otherwise <code>false</code>.
	 * 
	 */
	public boolean canContain( String type )
	{
		return getElementHandle( ).canContain( propDefn.getName( ), type );
	}
	/**
	 * Determines if the given slot can contain the <code>content</code>.
	 * 
	 * @param content
	 *            the design element handle to check
	 * 
	 * @return <code>true</code> if the slot with the given
	 *         <code>slotId</code> can contain the <code>content</code>,
	 *         otherwise <code>false</code>.
	 */