| /******************************************************************************* |
| * Copyright (c) 2004, 2005 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.presentations; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.dialogs.DialogUtil; |
| import org.eclipse.ui.presentations.IPresentablePart; |
| import org.eclipse.ui.presentations.IStackPresentationSite; |
| |
| /** |
| * This convenience class provides a "New Editor" system menu item that |
| * opens another editor of the same type as the current editor, on the same input. |
| * Presentations can use this to add a "New Editor" item to their system menu. |
| * |
| * @since 3.1 |
| */ |
| public final class SystemMenuNewEditor extends Action implements ISelfUpdatingAction { |
| |
| private IStackPresentationSite site; |
| private IPresentablePart part; |
| |
| /** |
| * Creates a new instance of the action |
| * |
| * @param site the presentation site |
| */ |
| public SystemMenuNewEditor(IStackPresentationSite site) { |
| this.site = site; |
| setText(WorkbenchMessages.PartPane_newEditor); |
| } |
| |
| /** |
| * Disposes the action. |
| */ |
| public void dispose() { |
| site = null; |
| } |
| |
| public void run() { |
| if (part != null) { |
| // the site doesn't give access to the page or the active editor, |
| // so we need to reach |
| IWorkbenchWindow window = PlatformUI.getWorkbench() |
| .getActiveWorkbenchWindow(); |
| if (window != null) { |
| IWorkbenchPage page = window.getActivePage(); |
| if (page != null) { |
| IEditorPart editor = page == null ? null : page |
| .getActiveEditor(); |
| if (editor != null) { |
| String editorId = editor.getSite().getId(); |
| if (editorId != null) { |
| try { |
| page.openEditor(editor |
| .getEditorInput(), editorId, true, |
| IWorkbenchPage.MATCH_NONE); |
| } catch (PartInitException e) { |
| DialogUtil.openError(page.getWorkbenchWindow() |
| .getShell(), WorkbenchMessages.Error, e |
| .getMessage(), e); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the target of this action to the given part. |
| * |
| * @param presentablePart |
| * the target part for this action, or <code>null</code> if |
| * there is no appopriate target part |
| */ |
| public void setTarget(IPresentablePart presentablePart) { |
| this.part = presentablePart; |
| setEnabled(presentablePart != null); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.presentations.ISelfUpdatingAction#update() |
| */ |
| public void update() { |
| setTarget(site.getSelectedPart()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.presentations.ISelfUpdatingAction#shouldBeVisible() |
| */ |
| public boolean shouldBeVisible() { |
| return true; |
| } |
| } |