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
* @return <code>true</code> if it can be dropped. Returns
	 *         <code>false</code> otherwise.
	 */
	public boolean canDrop( Module module )
	{
		
		
		if ( isRootIncludedByModule( )
				|| ( module != null && module.isReadOnly( ) ) )
			return false;
		
		
		if ( isVirtualElement( ) )
			return false;
		
		
		if ( getContainer( ) instanceof TemplateParameterDefinition )
		{
			assert getContainerInfo( ).getSlotID( ) == ITemplateParameterDefinitionModel.DEFAULT_SLOT;
			return false;
		}
		
		
		
		DesignElement element = this;
		if ( element instanceof TemplateParameterDefinition )
		{
			List clients = ( (TemplateParameterDefinition) element )
					.getClientList( );
			if ( clients.size( ) != 0 )