| /******************************************************************************* |
| * Copyright (c) 2004, 2010 Tasktop Technologies 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: |
| * Gunnar Wagenkecht - initial API and implementation |
| * Tasktop Technologies - improvements |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.team.ui; |
| |
| import org.eclipse.mylyn.internal.tasks.core.LocalTask; |
| import org.eclipse.mylyn.internal.team.ui.ContextChangeSet; |
| import org.eclipse.mylyn.tasks.core.ITask; |
| import org.eclipse.team.internal.core.subscribers.ActiveChangeSet; |
| import org.eclipse.team.internal.core.subscribers.ActiveChangeSetManager; |
| |
| /** |
| * Integrates an Eclipse Team repository with Mylyn. |
| * |
| * @author Gunnar Wagenknecht |
| * @author Mik Kersten |
| * @since 2.0 |
| */ |
| public abstract class AbstractActiveChangeSetProvider { |
| |
| private static final String LABEL_NO_TASK = "<No Active Task>"; //$NON-NLS-1$ |
| |
| private static final String HANDLE_NO_TASK = "org.eclipse.mylyn.team.ui.inactive.proxy"; //$NON-NLS-1$ |
| |
| private final ITask noTaskActiveProxy = new LocalTask(HANDLE_NO_TASK, LABEL_NO_TASK); |
| |
| /** |
| * Return the change set collector that manages the active change set for the participant associated with this |
| * capability. A <code>null</code> is returned if active change sets are not supported. The default is to return |
| * <code>null</code>. This method must be overridden by subclasses that support active change sets. Note that |
| * {@link ActiveChangeSetManager} is an internal class of <code>org.eclipse.team.core</code>, but is required for |
| * change set support (bug 116084). The current implementation will only work if a subtype of |
| * {@link ActiveChangeSetManager} is returned. In the future, if a change set API becomes available, an additional |
| * extensibility mechanism will be provided. |
| * |
| * @return the change set collector that manages the active change set for the participant associated with this |
| * capability or <code>null</code> if active change sets are not supported. |
| * @since 3.0 |
| */ |
| public ActiveChangeSetManager getActiveChangeSetManager() { |
| return null; |
| } |
| |
| /** |
| * Override if a custom change set class is needed, e.g. in order to support custom action and model mappings as is |
| * the case with the CVS change set implementation used by org.eclipse.mylyn.team.cvs. |
| * |
| * @since 3.0 |
| */ |
| public IContextChangeSet createChangeSet(ITask task) { |
| return new ContextChangeSet(task, getActiveChangeSetManager()); |
| } |
| |
| /** |
| * Called upon deactivation to set the default context when no context is active. |
| * |
| * @since 3.4 |
| */ |
| public void activateDefaultChangeSet() { |
| ActiveChangeSet noTaskSet = null; |
| ActiveChangeSetManager manager = getActiveChangeSetManager(); |
| if (manager != null) { |
| noTaskSet = manager.getSet(LABEL_NO_TASK); |
| if (noTaskSet == null) { |
| noTaskSet = (ActiveChangeSet) this.createChangeSet(noTaskActiveProxy); |
| manager.add(noTaskSet); |
| } |
| |
| manager.makeDefault(noTaskSet); |
| noTaskSet.remove(noTaskSet.getResources()); |
| manager.remove(noTaskSet); |
| } |
| } |
| |
| } |