org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/commands/TaskListToolTipHandler.java

/*******************************************************************************
 * 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.commands;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListToolTip;
import org.eclipse.mylyn.internal.tasks.ui.views.TaskListView;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

/**
 * @author Steffen Pingel
 */
public class TaskListToolTipHandler extends AbstractTaskListViewHandler {

	@Override
	protected void execute(ExecutionEvent event, TaskListView taskListView) throws ExecutionException {
		TaskListToolTip toolTip = taskListView.getToolTip();
		if (toolTip.isVisible()) {
			toolTip.hide();
		} else {
			taskListView.getViewer().getControl().getBounds();
			Tree tree = taskListView.getViewer().getTree();
			TreeItem[] selection = tree.getSelection();
			if (selection.length > 0) {
				toolTip.show(new Point(selection[0].getBounds().x + 1, selection[0].getBounds().y + 1));
			}
		}
	}

}