/*******************************************************************************
* Copyright (c) 2004, 2012 Eugene Kuleshov 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:
* Eugene Kuleshov - initial API and implementation
* Tasktop Technologies - improvements
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.workingsets;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.tasks.core.AbstractTaskContainer;
import org.eclipse.mylyn.internal.tasks.core.TaskList;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
import org.eclipse.ui.IElementFactory;
import org.eclipse.ui.IMemento;
/**
* Element factory used to restore task containers and projects for Task+Resource working sets.
*
* @author Eugene Kuleshov
* @author Mik Kersten
*/
public class TaskWorkingSetElementFactory implements IElementFactory {
static final String HANDLE_TASK = "handle.task"; //$NON-NLS-1$
static final String HANDLE_PROJECT = "handle.project"; //$NON-NLS-1$
public IAdaptable createElement(IMemento memento) {
String taskHandle = memento.getString(HANDLE_TASK);
if (taskHandle != null) {
// TOOD: this does not support projects and categories/queries have the same name
TaskList taskList = TasksUiPlugin.getTaskList();
for (AbstractTaskContainer element : taskList.getRootElements()) {
if (element.getHandleIdentifier().equals(taskHandle)) {
return element;
}
}
}
String projectHandle = memento.getString(HANDLE_PROJECT);
if (projectHandle != null) {
try {
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectHandle);
if (project != null) {
return project;
}
} catch (Throwable t) {
StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN,
"Could not not determine project for handle: " + projectHandle, t)); //$NON-NLS-1$
}
}
// prior to mylyn 3.0.2 task handles and project handles were identical
if (taskHandle != null) {
try {
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(taskHandle);
if (project != null) {
return project;
}
} catch (Throwable t) {
// ignore, happens when a restoring a query handle from a URL for instance
// StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN,
// "Could not not determine project for handle: " + taskHandle, t)); //$NON-NLS-1$
}
}
return null;
}
}