/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.repository.gui.actions;

import javax.swing.SwingUtilities;

import com.rapidminer.gui.tools.SwingTools;
import com.rapidminer.gui.tools.dialogs.ConfirmDialog;
import com.rapidminer.repository.Entry;
import com.rapidminer.repository.RepositoryLocation;
import com.rapidminer.repository.gui.RepositoryTree;

/**
 * This action deletes the selected entry.
 *
 * @author Simon Fischer
 */
public class DeleteRepositoryEntryAction extends AbstractRepositoryAction<Entry> {
	
	private static final long serialVersionUID = 1L;
	
	private RepositoryTree tree;

	
	public DeleteRepositoryEntryAction(RepositoryTree tree) {
		super(tree, Entry.class, false, "repository_delete_entry");
		this.tree = tree;
	}

	@Override
	public void actionPerformed(Entry entry) {
		if (SwingTools.showConfirmDialog("file_chooser.delete", ConfirmDialog.YES_NO_OPTION, entry.getName()) == ConfirmDialog.YES_OPTION) {
			try {
				final RepositoryLocation location;
				if (entry.getContainingFolder() != null) {
					location = entry.getContainingFolder().getLocation();
				} else {
					location = null;
				}
				entry.delete();
				// select parent node (if possible)
				// invoke later because a JTree will select another node as a result of a deletion event
				// we want to select our parent node afterwards
				if (location == null) {
					return;
				}
				SwingUtilities.invokeLater(new Runnable() {

					@Override
					public void run() {
						tree.expandAndSelectIfExists(location);
					}
					
				});
			} catch (Exception e1) {
				SwingTools.showSimpleErrorMessage("cannot_delete_entry", e1, entry.getLocation());
			}
		}
	}

}