/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 *
 *See COPYING for Details
 *
 *This program 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 2
 *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 General Public License for more details.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package freemind.modes.mindmapmode.actions;

import java.awt.event.ActionEvent;
import java.io.File;
import java.net.MalformedURLException;

import javax.swing.AbstractAction;
import javax.swing.JFileChooser;

import freemind.main.FreeMindMain;
import freemind.main.Tools;
import freemind.modes.FreeMindFileDialog;
import freemind.modes.MindMapNode;
import freemind.modes.mindmapmode.MindMapController;

public class ImportFolderStructureAction extends AbstractAction {
	// Logging:
	private static java.util.logging.Logger logger;
	private final MindMapController controller;

	public ImportFolderStructureAction(MindMapController controller) {
		super(controller.getText("import_folder_structure"));
		this.controller = controller;
		if (logger == null)
			logger = controller.getFrame().getLogger(this.getClass().getName());
	}

	public void actionPerformed(ActionEvent e) {
		FreeMindFileDialog chooser = controller.getFileChooser(null);
		chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
		chooser.setDialogTitle(controller
				.getText("select_folder_for_importing"));
		FreeMindMain frame = getFrame();
		int returnVal = chooser.showOpenDialog(frame.getContentPane());
		if (returnVal == JFileChooser.APPROVE_OPTION) {
			File folder = chooser.getSelectedFile();
			frame.out("Importing folder structure ...");
			// getFrame().repaint(); // Refresh the frame, namely hide dialog
			// and show status
			// getView().updateUI();
			// Problem: the frame should be refreshed here, but I don't know how
			// to do it
			try {
				frame.setWaitingCursor(true);
				importFolderStructure(folder, controller.getSelected(),/*
																		 * redisplay
																		 * =
																		 */
						true);
			} catch (Exception ex) {
				freemind.main.Resources.getInstance().logException(ex);
			}
			frame.setWaitingCursor(false);
			frame.out("Folder structure imported.");
		}
	}

	private FreeMindMain getFrame() {
		return controller.getFrame();
	}

	public void importFolderStructure(File folder, MindMapNode target,
			boolean redisplay) throws MalformedURLException {
		logger.fine("Entering folder: " + folder);

		if (folder.isDirectory()) {
			getFrame().out(folder.getName());
			File[] list = folder.listFiles();
			if (list != null) {
				// Go recursively to subfolders
				for (int i = 0; i < list.length; i++) {
					if (list[i].isDirectory()) {
						// Insert a new node
						MindMapNode node = addNode(target, list[i].getName(),
								Tools.fileToUrl(list[i]).toString());
						importFolderStructure(list[i], node, false);
					}
				}
				// For each file: add it
				for (int i = 0; i < list.length; i++) {
					if (!list[i].isDirectory()) {
						addNode(target, list[i].getName(),
								Tools.fileToUrl(list[i]).toString());
					}
				}
			}
		}
		controller.setFolded(target, true);

	}

	/**
     */
	private MindMapNode addNode(MindMapNode target, String nodeContent,
			String link) {
		MindMapNode node = controller.addNewNode(target,
				target.getChildCount(), target.isNewChildLeft());
		controller.setNodeText(node, nodeContent);
		controller.setLink(node, link);
		return node;
	}

}