RefreshHandler.java

/*******************************************************************************
 * Copyright (c) 2011 Wind River Systems, Inc. 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:
 * Wind River Systems - initial API and implementation
 * William Chen (Wind River)- [345552] Edit the remote files with a proper editor
 *******************************************************************************/
package org.eclipse.tm.te.tcf.filesystem.internal.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.tm.te.tcf.filesystem.internal.exceptions.TCFException;
import org.eclipse.tm.te.tcf.filesystem.internal.nls.Messages;
import org.eclipse.tm.te.tcf.filesystem.model.FSTreeNode;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * The handler to refresh the state of a file.
 */
public class RefreshHandler extends AbstractHandler {

	/* (non-Javadoc)
	 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
	 */
	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelectionChecked(event);
		FSTreeNode node = (FSTreeNode) selection.getFirstElement();
		try {
			StateManager.getInstance().refreshState(node);
		} catch (TCFException e) {
			Shell parent = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
			MessageDialog.openError(parent, Messages.StateManager_RefreshFailureTitle, e.getLocalizedMessage());
		}
		return null;
	}
}