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/core/DesignElement.java
*            the parent element
	 * @return <true> if the parent element is <code>NOT_FOUND</code>,<code>WRONG_TYPE</code>,
	 *         <code>SELF_EXTEND</code>,<code>CIRCULAR</code>. Otherwise
	 *         <code>false</code>.
	 */
	private boolean isExtendsValid( DesignElement parent )
	{
		try
		{
			checkExtends( parent );
		}
		catch ( ExtendsException e )
		{
			return false;
		}
		return true;
	}
	/**
	 * Checks the parent element.
	 * 
	 * @param parent
	 *            the parent element
	 * @throws ExtendsException
	 *             throws <code>ExtendsException</code> if the parent element
	 *             is <code>NOT_FOUND</code>,<code>WRONG_TYPE</code>,
	 *             <code>SELF_EXTEND</code>,<code>CIRCULAR</code>.
	 */
	public void checkExtends( DesignElement parent ) throws ExtendsException
	{
		String extendsName = getExtendsName( );