Bug 169393 Outline switch action isn't disappear after double clicking the Matser Page element on report outline
Open a report design, and active the improved XML editor, double click the master page element on report outline. Then, it will switch to the MasterPage editor, and the outline switch action isn't disappear on toolbar menu on outline view.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.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.designer.ui.editors;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;