| /******************************************************************************* |
| * Copyright (c) 2004, 2008 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.ui; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.mylyn.internal.tasks.core.ITaskListRunnable; |
| import org.eclipse.mylyn.internal.tasks.core.TaskList; |
| |
| /** |
| * Use to perform atomic operations on the task list i.e. open/restore |
| * |
| * @author Rob Elves |
| * @since 3.0 |
| */ |
| public abstract class TaskListModifyOperation implements IRunnableWithProgress { |
| |
| ISchedulingRule rule; |
| |
| public TaskListModifyOperation() { |
| this(null); |
| } |
| |
| public TaskListModifyOperation(ISchedulingRule rule) { |
| this.rule = rule; |
| } |
| |
| protected abstract void operations(IProgressMonitor monitor) throws CoreException, InvocationTargetException, |
| InterruptedException; |
| |
| final public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| final InvocationTargetException[] ite = new InvocationTargetException[1]; |
| try { |
| ITaskListRunnable runnable = new ITaskListRunnable() { |
| |
| public void execute(IProgressMonitor monitor) throws CoreException { |
| try { |
| Job.getJobManager().beginRule(rule, new SubProgressMonitor(monitor, IProgressMonitor.UNKNOWN)); |
| operations(monitor); |
| } catch (InvocationTargetException e) { |
| ite[0] = e; |
| } catch (InterruptedException e) { |
| throw new OperationCanceledException(e.getMessage()); |
| } finally { |
| Job.getJobManager().endRule(rule); |
| } |
| } |
| }; |
| getTaskList().run(runnable, monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } |
| |
| if (ite[0] != null) { |
| throw ite[0]; |
| } |
| } |
| |
| protected TaskList getTaskList() { |
| return TasksUiPlugin.getTaskList(); |
| } |
| } |