| /* |
| * Copyright (c) 2007, 2009, 2011, 2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.util.ui.actions; |
| |
| import org.eclipse.net4j.util.internal.ui.bundle.OM; |
| import org.eclipse.net4j.util.internal.ui.messages.Messages; |
| import org.eclipse.net4j.util.ui.UIUtil; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionDelegate; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public abstract class SafeActionDelegate implements IActionDelegate |
| { |
| /** |
| * @since 3.5 |
| */ |
| public static final String INTERACTIVE = SafeAction.INTERACTIVE; |
| |
| private IAction action; |
| |
| private ISelection selection; |
| |
| public SafeActionDelegate() |
| { |
| } |
| |
| /** |
| * @since 3.5 |
| */ |
| public Shell getShell() |
| { |
| return UIUtil.getShell(); |
| } |
| |
| public IAction getAction() |
| { |
| return action; |
| } |
| |
| public ISelection getSelection() |
| { |
| return selection; |
| } |
| |
| public void selectionChanged(IAction action, ISelection selection) |
| { |
| this.action = action; |
| this.selection = selection; |
| } |
| |
| public void run(IAction action) |
| { |
| this.action = action; |
| |
| try |
| { |
| safeRun(); |
| } |
| catch (Exception ex) |
| { |
| OM.LOG.error(ex); |
| MessageDialog.openError(null, getText(), |
| ex.getLocalizedMessage() + "\n" + Messages.getString("SafeActionDelegate_0")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| protected abstract void safeRun() throws Exception; |
| |
| protected String getText() |
| { |
| return action == null ? Messages.getString("SafeActionDelegate_1") : action.getText(); //$NON-NLS-1$ |
| } |
| } |