| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.ui.actions; |
| |
| import org.eclipse.swt.widgets.Display; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.RequestConstants; |
| import org.eclipse.gef.internal.GEFMessages; |
| |
| /** |
| * An action to perform direct editing on a selected part. The DirectEditAction |
| * provides the function of sending a <code>Request</code> of the type |
| * {@link RequestConstants#REQ_DIRECT_EDIT} to a single EditPart. The request |
| * will be sent to the editpart using |
| * {@link org.eclipse.gef.EditPart#performRequest(Request)}. |
| * <P> |
| * This action will be enabled whenever the current selection is one EditPart, |
| * and that editpart returns <code>true</code> for |
| * {@link EditPart#understandsRequest(Request)}, using the |
| * {@link #getDirectEditRequest()}. |
| * <P> |
| * Clients can control the request that is sent by calling |
| * {@link #setDirectEditRequest(Request)}. The |
| * {@link org.eclipse.gef.requests.DirectEditRequest} class allows the client to |
| * specify the <i>feature</i> that should be edited when invoked. |
| * |
| * @author hudsonr |
| */ |
| public class DirectEditAction extends SelectionAction { |
| |
| /** @deprecated */ |
| public static final String ID = GEFActionConstants.DIRECT_EDIT; |
| |
| private Request directEditRequest = new Request( |
| RequestConstants.REQ_DIRECT_EDIT); |
| |
| /** |
| * Same as {@link #DirectEditAction(IWorkbenchPart)}. |
| * |
| * @param editor |
| * the editor |
| */ |
| public DirectEditAction(IEditorPart editor) { |
| this((IWorkbenchPart) editor); |
| } |
| |
| /** |
| * Constructs a DirectEditAction using the specified part. |
| * |
| * @param part |
| * the workbench part |
| */ |
| public DirectEditAction(IWorkbenchPart part) { |
| super(part); |
| } |
| |
| /** |
| * returns <code>true</code> if there is exactly 1 EditPart selected that |
| * understand a request of type: {@link RequestConstants#REQ_DIRECT_EDIT}. |
| * |
| * @return <code>true</code> if enabled |
| */ |
| protected boolean calculateEnabled() { |
| if (getSelectedObjects().size() == 1 |
| && (getSelectedObjects().get(0) instanceof EditPart)) { |
| EditPart part = (EditPart) getSelectedObjects().get(0); |
| return part.understandsRequest(getDirectEditRequest()); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the <code>Request</code> being used. |
| * |
| * @return the request |
| */ |
| protected Request getDirectEditRequest() { |
| return directEditRequest; |
| } |
| |
| /** |
| * @see org.eclipse.jface.action.IAction#run() |
| */ |
| public void run() { |
| try { |
| EditPart part = (EditPart) getSelectedObjects().get(0); |
| part.performRequest(getDirectEditRequest()); |
| } catch (ClassCastException e) { |
| Display.getCurrent().beep(); |
| } catch (IndexOutOfBoundsException e) { |
| Display.getCurrent().beep(); |
| } |
| } |
| |
| /** |
| * Clients may override the request that is used to perform the direct edit. |
| * |
| * @param req |
| * the new request to be used |
| */ |
| public void setDirectEditRequest(Request req) { |
| directEditRequest = req; |
| } |
| |
| /** |
| * @see org.eclipse.gef.ui.actions.WorkbenchPartAction#init() |
| */ |
| protected void init() { |
| super.init(); |
| setText(GEFMessages.RenameAction_Label); |
| setToolTipText(GEFMessages.RenameAction_Tooltip); |
| setId(GEFActionConstants.DIRECT_EDIT); |
| } |
| |
| } |