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/*******************************************************************************
* Copyright (c) 2004, 2009 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.actions;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListView;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.ui.TasksUi;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
/**
* @author Mik Kersten
*/
public class TaskActivateAction extends BaseSelectionListenerAction implements IViewActionDelegate {
public static final String ID = "org.eclipse.mylyn.tasklist.actions.context.activate"; //$NON-NLS-1$
public TaskActivateAction() {
super(Messages.TaskActivateAction_Activate);
setId(ID);
setActionDefinitionId("org.eclipse.mylyn.tasks.ui.command.activateSelectedTask"); //$NON-NLS-1$
setImageDescriptor(TasksUiImages.CONTEXT_ACTIVE_CENTERED);
}
public void init(IViewPart view) {
// ignore
}
@Override
public void run() {
run(TaskListView.getFromActivePerspective().getSelectedTask());
}
@Deprecated
public void run(ITask task) {
if (task != null && !task.isActive()) {
TasksUi.getTaskActivityManager().activateTask(task);
}
}
public void run(IAction action) {
run();
}
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection) {
selectionChanged((IStructuredSelection) selection);
} else {
selectionChanged(StructuredSelection.EMPTY);
}
action.setEnabled(isEnabled());
}
@Override
protected boolean updateSelection(IStructuredSelection selection) {
return selection != null && selection.size() == 1 && selection.getFirstElement() instanceof ITask;
}
}
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