Package com.mucommander.ui.action.impl

Source Code of com.mucommander.ui.action.impl.StopAction$Factory

/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2012 Maxence Bernard
*
* 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.awt.event.KeyEvent;
import java.util.Map;

import javax.swing.KeyStroke;

import com.mucommander.core.LocationChanger.ChangeFolderThread;
import com.mucommander.ui.action.AbstractActionDescriptor;
import com.mucommander.ui.action.ActionCategories;
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.event.LocationEvent;
import com.mucommander.ui.event.LocationListener;
import com.mucommander.ui.main.FolderPanel;
import com.mucommander.ui.main.MainFrame;

/**
* This action is invoked to stop a running location change.
*
* @author Maxence Bernard
*/
public class StopAction extends MuAction implements LocationListener {

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

        // This action is initially disabled and enabled only during a folder change
        setEnabled(false);

        // Listen to location change events
        mainFrame.getLeftPanel().getLocationManager().addLocationListener(this);
        mainFrame.getRightPanel().getLocationManager().addLocationListener(this);

        // This action must be available while in 'no events mode', that's the whole point
        setHonourNoEventsMode(false);
    }

    @Override
    public void performAction() {
        FolderPanel folderPanel = mainFrame.getActivePanel();
        ChangeFolderThread changeFolderThread = folderPanel.getChangeFolderThread();

        if(changeFolderThread!=null)
            changeFolderThread.tryKill();
    }

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


    //////////////////////////////
    // LocationListener methods //
    //////////////////////////////

    public void locationChanged(LocationEvent e) {
        setEnabled(false);
    }

    public void locationChanging(LocationEvent e) {
        setEnabled(true);
    }

    public void locationCancelled(LocationEvent e) {
        setEnabled(false);
    }

    public void locationFailed(LocationEvent e) {
        setEnabled(false);
    }
   
    public static class Factory implements ActionFactory {

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

    public ActionCategory getCategory() { return ActionCategories.NAVIGATION; }

    public KeyStroke getDefaultAltKeyStroke() { return null; }

    public KeyStroke getDefaultKeyStroke() { return KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0); }
    }
}
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