/*
 * Copyright (C) 2007-2012 Mathieu Baudier
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.argeo.eclipse.ui.jcr.commands;

import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.nodetype.NodeType;

import org.argeo.eclipse.ui.ErrorFeedback;
import org.argeo.eclipse.ui.dialogs.SingleValue;
import org.argeo.eclipse.ui.jcr.JcrUiPlugin;
import org.argeo.eclipse.ui.jcr.views.AbstractJcrBrowser;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

/** Adds a node of type nt:folder */
public class AddFileFolder extends AbstractHandler {

	public Object execute(ExecutionEvent event) throws ExecutionException {
		ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event)
				.getActivePage().getSelection();
		AbstractJcrBrowser view = (AbstractJcrBrowser) HandlerUtil
				.getActiveWorkbenchWindow(event).getActivePage()
				.findView(HandlerUtil.getActivePartId(event));
		if (selection != null && !selection.isEmpty()
				&& selection instanceof IStructuredSelection) {
			Object obj = ((IStructuredSelection) selection).getFirstElement();

			if (obj instanceof Node) {
				String folderName = SingleValue.ask("Folder name",
						"Enter folder name");
				if (folderName != null) {
					Node parentNode = (Node) obj;
					try {
						Node newNode = parentNode.addNode(folderName,
								NodeType.NT_FOLDER);
						view.nodeAdded(parentNode, newNode);
						parentNode.getSession().save();
					} catch (RepositoryException e) {
						ErrorFeedback.show("Cannot create folder " + folderName
								+ " under " + parentNode, e);
					}
				}
			} else {
				ErrorFeedback.show(JcrUiPlugin
						.getMessage("errorUnvalidNtFolderNodeType"));
			}
		}
		return null;
	}

}