Bug 172273 Grid insert to masterpage dosen't display propertily [05]
Build Number: 2.2.0.v20070131-1050 Description: As the screenshot, insert a grid (3*3) in the master page.It can't be display propertily. Step to reproduce: 1. new a report and switch to masterpage 2. insert a grid (3*3) Actual result: Please refer to the screenshot, it's abnormal.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/metadata/IElementDefn.java
*            The element type to check.
	 * @return True if the slot can contain that element type, false if the
	 *         element is not a container, if the slot does not exist, or if the
	 *         slot can't contain that type of element.
	 */
	public boolean canContain( int slot, IElementDefn type );
	/**
	 * Returns whether elements of this class can be extended.
	 * 
	 * @return True if the element can be extended, false if not.
	 */
	public boolean canExtend( );
	/**
	 * Gets the name option that says how the element type handles names. One of
	 * the following defined in {@link MetaDataConstants}:
	 * <ul>
	 * <li>{@link MetaDataConstants#NO_NAME}-- The element cannot have a name.
	 * (Probably not used.)</li>
	 * <li>{@link MetaDataConstants#OPTIONAL_NAME}-- The element can
	 * optionally have a name, but a name is not required.</li>
	 * <li>{@link MetaDataConstants#REQUIRED_NAME}-- The element must have a
	 * name.</li>
	 * </ul>
	 * 
	 * @return the name option
	 */
	public int getNameOption( );
	/**
	 * Checks whether the property is visible to the property sheet.
	 *