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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.tasks.ui.actions;
import java.util.List;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.mylar.internal.tasks.ui.TasksUiImages;
import org.eclipse.mylar.internal.tasks.ui.views.TaskActivationHistory;
import org.eclipse.mylar.internal.tasks.ui.views.TaskListView;
import org.eclipse.mylar.tasks.core.ITask;
import org.eclipse.mylar.tasks.ui.TasksUiUtil;
/**
* @author Wesley Coelho
*/
public class PreviousTaskDropDownAction extends TaskNavigateDropDownAction {
public static final String ID = "org.eclipse.mylar.tasklist.actions.navigate.previous";
public PreviousTaskDropDownAction(TaskListView view, TaskActivationHistory history) {
super(view, history);
setText("Previous Task");
setToolTipText("Previous Task");
setId(ID);
setEnabled(true);
setImageDescriptor(TasksUiImages.NAVIGATE_PREVIOUS);
}
@Override
protected void addActionsToMenu() {
List<ITask> tasks = taskHistory.getPreviousTasks();
if (tasks.size() > MAX_ITEMS_TO_DISPLAY) {
tasks = tasks.subList(tasks.size() - MAX_ITEMS_TO_DISPLAY, tasks.size());
}
for (int i = tasks.size() - 1; i >= 0; i--) {
ITask currTask = tasks.get(i);
Action taskNavAction = new TaskNavigateAction(currTask);
ActionContributionItem item = new ActionContributionItem(taskNavAction);
if(currTask.isActive()) {
taskNavAction.setChecked(true);
}
item.fill(dropDownMenu, -1);
}
}
@Override
public void run() {
if (taskHistory.hasPrevious()) {
ITask previousTask = taskHistory.getPreviousTask();
new TaskActivateAction().run(previousTask);
setButtonStatus();
view.refreshAndFocus(false);
TasksUiUtil.refreshAndOpenTaskListElement(previousTask);
}
}
}
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