/*
 * This file is part of muCommander, http://www.mucommander.com
 *
 * muCommander 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 3 of the License, or
 * (at your option) any later version.
 *
 * muCommander 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, see <http://www.gnu.org/licenses/>.
 */

package com.mucommander.ui.action.impl;

import java.util.Map;

import javax.swing.KeyStroke;

import com.mucommander.text.Translator;
import com.mucommander.ui.action.AbstractActionDescriptor;
import com.mucommander.ui.action.ActionCategory;
import com.mucommander.ui.action.ActionDescriptor;
import com.mucommander.ui.action.ActionFactory;
import com.mucommander.ui.action.MuAction;
import com.mucommander.ui.main.MainFrame;

/**
 * This action locks/unlocks the currently selected {@link com.mucommander.ui.main.tabs.FileTableTab} depending on its
 * current locking state: if it is locked, unlock it, if not lock it.
 *
 * <p>This action's label will be updated to reflect the locking state of the currently selected tab.
 *
 * @author Arik Hadas
 */
public class ToggleLockTabAction extends ActiveTabAction {

	public ToggleLockTabAction(MainFrame mainFrame, Map<String,Object> properties) {
        super(mainFrame, properties);
    }

    private void updateLabel(boolean locked) {
        setLabel(Translator.get(locked?Descriptor.ACTION_ID+".unlock":Descriptor.ACTION_ID+".lock"));
    }

    @Override
    public void performAction() {
    	boolean lock = !mainFrame.getActivePanel().getTabs().getCurrentTab().isLocked();

    	if (lock)
        	mainFrame.getActivePanel().getTabs().lock();
        else
        	mainFrame.getActivePanel().getTabs().unlock();
    	
        // Change the label to reflect the new tab's locking state
        updateLabel(lock);
    }

	@Override
	public ActionDescriptor getDescriptor() {
		return new Descriptor();
	}

	@Override
	protected void toggleEnabledState() {
		updateLabel(mainFrame.getActivePanel().getTabs().getCurrentTab().isLocked());
	}

    public static class Factory implements ActionFactory {

		public MuAction createAction(MainFrame mainFrame, Map<String,Object> properties) {
			return new ToggleLockTabAction(mainFrame, properties);
		}
    }
    
    public static class Descriptor extends AbstractActionDescriptor {
    	public static final String ACTION_ID = "ToggleLockTab";
    	
		public String getId() { return ACTION_ID; }

		public ActionCategory getCategory() { return ActionCategory.TAB; }

		public KeyStroke getDefaultAltKeyStroke() { return null; }

		public KeyStroke getDefaultKeyStroke() { return null; }
    }
}
