| /********************************************************************** |
| * This file is part of "Object Teams Development Tooling"-Software |
| * |
| * Copyright 2007 Technical University Berlin, Germany. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Please visit http://www.eclipse.org/objectteams for updates and contact. |
| * |
| * Contributors: |
| * Technical University Berlin - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.objectteams.otdt.internal.ui.assist; |
| |
| import org.eclipse.jface.text.link.ILinkedModeListener; |
| import base org.eclipse.jface.text.link.LinkedModeUI; |
| |
| /** |
| * This team observes the LinkeModeUI, which is responsible for editing |
| * linked correction proposals. |
| * The purpose of this observation is to leave linked mode before applying |
| * the swap-precedences rewrite, which would break existing linkage. |
| * |
| * @author stephan |
| */ |
| public team class LinkedModeAdaptor { |
| |
| public static LinkedModeAdaptor instance; |
| |
| private LinkedModeUI ui; |
| |
| public LinkedModeAdaptor() { |
| instance = this; |
| } |
| |
| /** This role provides access to the active instance of LinkedModeUI. */ |
| protected class LinkedModeUI playedBy LinkedModeUI |
| { |
| /** After an enter call has been issued and before leave is called, |
| * make this instance available. |
| */ |
| void register () { |
| LinkedModeAdaptor.this.ui = this; |
| } |
| register <- after enter; |
| |
| /** Remove instance, no longer in linked mode. */ |
| void reset() { |
| LinkedModeAdaptor.this.ui = null; |
| } |
| reset <- after leave; |
| |
| @SuppressWarnings("decapsulation") |
| protected |
| void leave(int flags) -> void leave(int flags); |
| } |
| |
| /** |
| * Request to leave the linked mode. |
| * Checks availability of a LinkedModeUI instance. |
| * |
| * @return true if successful |
| */ |
| public boolean leaveLinkedMode() { |
| if (this.ui == null) |
| return false; |
| this.ui.leave(ILinkedModeListener.EXIT_ALL); |
| return true; |
| } |
| } |