| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.WorkbenchException; |
| import org.eclipse.ui.actions.PerspectiveMenu; |
| |
| /** |
| * Change the perspective of the active page in the window |
| * to the selected one. |
| */ |
| public class ChangeToPerspectiveMenu extends PerspectiveMenu { |
| |
| /** |
| * Constructor for ChangeToPerspectiveMenu. |
| * |
| * @param window the workbench window this action applies to. |
| */ |
| public ChangeToPerspectiveMenu(IWorkbenchWindow window, String id) { |
| super(window, id); |
| showActive(true); |
| } |
| |
| /** |
| * Returns the available list of perspectives to display in the menu. |
| * Extends the super implementation by ensuring that the current perspective |
| * is included in the list. |
| * |
| * @return an <code>ArrayList<code> of perspective items <code>IPerspectiveDescriptor</code> |
| */ |
| /* |
| protected ArrayList getPerspectiveItems() { |
| ArrayList list = super.getPerspectiveItems(); |
| IWorkbenchWindow window = getWindow(); |
| IWorkbenchPage page = window.getActivePage(); |
| if (page != null) { |
| IPerspectiveDescriptor desc = page.getPerspective(); |
| if (desc != null) { |
| if (!list.contains(desc)) { |
| list.add(desc); |
| } |
| } |
| } |
| return list; |
| } |
| */ |
| |
| /* (non-Javadoc) |
| * @see PerspectiveMenu#run(IPerspectiveDescriptor) |
| */ |
| protected void run(IPerspectiveDescriptor desc) { |
| IPreferenceStore store = PlatformUI.getWorkbench().getPreferenceStore(); |
| int mode = store.getInt(IPreferenceConstants.OPEN_PERSP_MODE); |
| IWorkbenchPage page = getWindow().getActivePage(); |
| IPerspectiveDescriptor persp = null; |
| if (page != null) |
| persp = page.getPerspective(); |
| |
| // Only open a new window if user preference is set and the window |
| // has an active perspective. |
| if (IPreferenceConstants.OPM_NEW_WINDOW == mode && persp != null) { |
| try { |
| IWorkbench workbench = getWindow().getWorkbench(); |
| IAdaptable input = ((Workbench) workbench).getDefaultPageInput(); |
| workbench.openWorkbenchWindow(desc.getId(), input); |
| } catch (WorkbenchException e) { |
| handleWorkbenchException(e); |
| } |
| } else { |
| if (page != null) { |
| page.setPerspective(desc); |
| } else { |
| try { |
| IWorkbench workbench = getWindow().getWorkbench(); |
| IAdaptable input = ((Workbench) workbench).getDefaultPageInput(); |
| getWindow().openPage(desc.getId(), input); |
| } catch(WorkbenchException e) { |
| handleWorkbenchException(e); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Handles workbench exception |
| */ |
| private void handleWorkbenchException(WorkbenchException e) { |
| ErrorDialog.openError( |
| getWindow().getShell(), |
| WorkbenchMessages.getString("ChangeToPerspectiveMenu.errorTitle"), //$NON-NLS-1$, |
| e.getMessage(), |
| e.getStatus()); |
| } |
| } |