SaveConfiguration.java

/*******************************************************************************
 * Copyright (c) 2003-2005, 2013 Till Zoppke.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Till Zoppke - initial API and implementation
 ******************************************************************************/
/*
 * Created on 11.11.2003
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package eniac.menu.action;

import java.awt.event.ActionEvent;
import java.io.File;
import java.io.IOException;

import javax.swing.JFileChooser;
import javax.swing.JOptionPane;

import eniac.Manager;
import eniac.data.io.ConfigIO;
import eniac.data.model.parent.Configuration;
import eniac.io.IOUtil;
import eniac.io.Proxy;
import eniac.lang.Dictionary;
import eniac.log.Log;
import eniac.log.LogWords;
import eniac.menu.action.gui.SaveConfigurationPanel;
import eniac.util.EProperties;
import eniac.util.Status;
import eniac.util.StatusListener;
import eniac.window.EFrame;

/**
 * @author zoppke
 * 
 *         To change the template for this generated type comment go to Window -
 *         Preferences - Java - Code Generation - Code and Comments
 */
public class SaveConfiguration extends EAction implements Runnable {

	@Override
	public void init() {
		super.init();
		Status.CONFIGURATION.addListener(new StatusListener() {

			@Override
			public void statusChanged(Status status, Object newValue) {
				setEnabled(newValue != null);
			}
		});
	}

	public void actionPerformed(ActionEvent e) {
		// check for privileges
		if (Manager.getInstance().hasIOAccess()) {
			Thread t = new Thread(this);
			t.start();
			// We have privileges to write file to users file system
		}
		else {
			// we have no privileges to write.
			// display message to tell user
			Log.log(LogWords.CANNOT_SAVE_FILE, JOptionPane.INFORMATION_MESSAGE, true);
		}
	}

	// starts a wizard with dialogs for enter details of configuration
	// and a filechooser for configuration target.
	public void run() {

		Manager.getInstance().block();

		// create dialog that user can enter name and description
		SaveConfigurationPanel panel = new SaveConfigurationPanel();
		panel.init();
		Manager.getInstance().makeDialog(panel, Dictionary.SAVE_CONFIGURATION_TITLE.getText());

		// if canceled, do nothing.
		if (!panel.isNextPressed()) {
			Manager.getInstance().unblock();
			return;
		}

		// otherwise create proxy
		Proxy proxy = new Proxy();
		proxy.put(Proxy.Tag.NAME, panel.getName());
		proxy.put(Proxy.Tag.DESCRIPTION, panel.getDescription());

		// create filechooser
		JFileChooser chooser = new JFileChooser();

		// get default filename without index
		String s = chooser.getFileSystemView().getDefaultDirectory().getAbsolutePath();
		s += File.separator;
		s += EProperties.getInstance().getProperty("DEFAULT_FILE_WITHOUT_NUMBER");

		// determine lowest index that the file doesn't exist
		File file;
		int i = -1;
		do {
			file = new File(IOUtil.addIndex(s, ++i));
		} while (file.exists());

		// create dialog that user can choose path to save
		chooser.setFileFilter(IOUtil.getFileFilter());
		chooser.setSelectedFile(file);
		int returnVal = EFrame.getInstance().showFileChooser(chooser, Dictionary.WRITE.getText());

		// check if user wants to write
		if (returnVal == JFileChooser.APPROVE_OPTION) {

			// try to write to the file specified by filechooser
			try {
				Configuration config = (Configuration) Status.CONFIGURATION.getValue();
				ConfigIO.write(chooser.getSelectedFile(), config, proxy);
			} catch (IOException exc) {
				exc.printStackTrace();
			}
		}
		Manager.getInstance().unblock();
	}
}