Bug 148747 Design become invalid when I extend a masterpage from Library
The attachment contains a report file and a library file. Reproduce: 1. Deploy the library("lib"), and open the report. 2. Drag Masterpage("page1") from "lib" to report. 3. Reopen the report, it become invalid.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/interfaces/IExtendedItemModel.java
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.model.elements.interfaces;
/**
 * The interface for ExtendedItem to store the constants.
 */
public interface IExtendedItemModel
{
	/**
	 * Name of the property that identifies the name of the extension. BIRT uses
	 * the property to find extension definition in our meta-data dictionary.
	 */
	public static final String EXTENSION_NAME_PROP = "extensionName"; 
	/**
	 * The property name of the filters to apply to the extended item.
	 */
	public static final String FILTER_PROP = "filter"; 
}