Bug 193895 Can not select the data cube in advanced and properties[1102]
Description: Can not select the data cube in advanced and properties[1102] Step: 1.New a report design, datasource, dataset, data cube 2.New a cross table 3.Switch Property Editor - Advanced 4.Switch Properties Actual result: Select the Cube selection and spread the drop down list, no data cube in it. Exception result: It can select the data cube in advance or properties
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
* @param posn
	 *            the position of the content to drop
	 * @throws SemanticException
	 *             if the position is out of range
	 */
	public void drop( int posn ) throws SemanticException
	{
		if ( propDefn.isElementType( ) )
		{
			DesignElementHandle content = (DesignElementHandle) get( posn );
			drop( content );
		}
		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 );