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/*******************************************************************************
 * Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
 * This file is part of Gluster Management Console.
 *
 * Gluster Management Console is free software; you can redistribute
 * it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Gluster Management Console is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package org.gluster.storage.management.console.actions;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.gluster.storage.management.client.TasksClient;
import org.gluster.storage.management.console.GlusterDataModelManager;
import org.gluster.storage.management.core.model.Status;
import org.gluster.storage.management.core.model.TaskInfo;


public class StopTaskAction extends AbstractActionDelegate {
	private TaskInfo taskInfo;
	private GlusterDataModelManager modelManager = GlusterDataModelManager.getInstance();

	@Override
	protected void performAction(final IAction action) {
		final String actionDesc = action.getDescription();

		try {
			new TasksClient().stopTask(taskInfo.getName());
			// On successful stop clear from the task list
			modelManager.removeTask(taskInfo);
			action.setEnabled(false); // TODO disable other task buttons
		} catch (Exception e) {
			showErrorDialog(actionDesc,
					"Task [" + taskInfo.getDescription() + "] could not be Stopped! Error: [" + e.getMessage() + "]");
		}
	}

	@Override
	public void selectionChanged(IAction action, ISelection selection) {
		super.selectionChanged(action, selection);
		action.setEnabled(false);
		if (selectedEntity instanceof TaskInfo) {
			taskInfo = (TaskInfo) selectedEntity;
			action.setEnabled(taskInfo.getStopSupported()
					&& (taskInfo.getStatus().getCode() == Status.STATUS_CODE_PAUSE 
							|| taskInfo.getStatus().getCode() == Status.STATUS_CODE_RUNNING));
		}
	}

	@Override
	public void dispose() {
	}

}