/**************************************************************************
/* Main window (menus, toolbar) for GuiSearcher.
/*
/* Copyright (c) 2003-2004 by Bernhard Bablok (mail@bablokb.de)
/*
/* This library is free software; you can redistribute it and/or modify
/* it under the terms of the GNU Lesser General Public License as published
/* by  the Free Software Foundation; either version 2 of the License or
/* (at your option) any later version.
/*
/* This library 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 Lesser General Public License for more details.
/*
/* You should have received a copy of the GNU Lesser General Public License
/* along with this library; see the file COPYING.LESSER.  If not, write to
/* the Free Software Foundation Inc., 59 Temple Place - Suite 330,
/* Boston, MA  02111-1307 USA
/**************************************************************************/

package de.bablokb.luala.app;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
   Main window (menus, toolbar) for GuiSearcher.

   @version $Revision: 1.5 $
   @author  $Author: bablokb $
*/

public class GuiSearcherFrame extends JFrame {

  /////////////////////////////////////////////////////////////////////////////

  /**
     Default window-size constant.
  */

  private final static int 
    DEFAULT_WIDTH = 600,
    DEFAULT_HEIGHT = 600;

  /////////////////////////////////////////////////////////////////////////////

  /**
     Window-title constant.
  */

  private final static String 
    WINDOW_TITLE   = "LUcene Application LAyer Search Application";

  /////////////////////////////////////////////////////////////////////////////

  /**
     The {@link ExitAction} for this application.
  */

  private final ExitAction  iExitAction  = new ExitAction();

  /////////////////////////////////////////////////////////////////////////////

  /**
     The {@link OpenIndexAction} for this application.
  */

  private final OpenIndexAction  iOpenIndexAction  = new OpenIndexAction();

  /////////////////////////////////////////////////////////////////////////////

  /**
     Create frame, set window title, add exit-processing.

     @param title window title
  */

  public GuiSearcherFrame(String title) {
    if (title == null)
      setTitle(WINDOW_TITLE);
    else
      setTitle(title);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
	GuiSearcher.getInstance().processExit();
      }});

//     getContentPane().add(getToolBar(),BorderLayout.NORTH);
    setJMenuBar(getMenu());
  }

  /////////////////////////////////////////////////////////////////////////////

  /**
     Create application-menu.

     @return The JMenuBar of the application.
  */
    
  public JMenuBar getMenu() {
    JMenuBar menu  = new JMenuBar();

    // Index-menu: open an index, leave the application.

    JMenu indexMenu = new JMenu("Index");
    indexMenu.setMnemonic(KeyEvent.VK_I);
    menu.add(indexMenu);

    JMenuItem openIndexItem = new JMenuItem();
    openIndexItem.setAction(iOpenIndexAction);
    indexMenu.add(openIndexItem);
    indexMenu.addSeparator();
    JMenuItem exitItem = new JMenuItem();
    exitItem.setAction(iExitAction);
    indexMenu.add(exitItem);

    return menu;
  }

  /////////////////////////////////////////////////////////////////////////////

  /**
    Create application-toolbar.

    @return The application-toolbar.
  */

  public JToolBar getToolBar() {
    JToolBar toolBar = new JToolBar();
    toolBar.add(iOpenIndexAction);
    toolBar.addSeparator();
    toolBar.add(iExitAction);
    return toolBar;
  }

  /////////////////////////////////////////////////////////////////////////////

  /**
     Return preferred size.

     @return A Dimension-object with the preferred size.
  */

//   public Dimension getPreferredSize() {
//     return new Dimension(DEFAULT_WIDTH,DEFAULT_HEIGHT);
//   }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////

  /**
     This action processes the exit-command.
  */

  class ExitAction extends AbstractAction {
    public ExitAction() {
      super("Exit");
      putValue(SHORT_DESCRIPTION,"Quit the application");
      putValue(MNEMONIC_KEY,new Integer(KeyEvent.VK_Q));
//       String image = "/toolbarButtonGraphics/media/StepBack16.gif";
//       URL imageURL = GuiSearcherFrame.class.getResource(image);
//       putValue(SMALL_ICON,new ImageIcon(imageURL));
    }
    public void actionPerformed(ActionEvent e) {
      GuiSearcher.getInstance().processExit();
    }
  }

  /////////////////////////////////////////////////////////////////////////////
  /////////////////////////////////////////////////////////////////////////////

  /**
     This action processes the openIndex-command.
  */

  class OpenIndexAction extends AbstractAction {
    public OpenIndexAction() {
      super("Open...");
      putValue(SHORT_DESCRIPTION,"Open a search-index");
      putValue(MNEMONIC_KEY,new Integer(KeyEvent.VK_O));
//       String image = "/toolbarButtonGraphics/media/Open16.gif";
//       URL imageURL = GuiSearcherFrame.class.getResource(image);
//       putValue(SMALL_ICON,new ImageIcon(imageURL));
    }
    public void actionPerformed(ActionEvent e) {
      GuiSearcher.getInstance().processOpenIndex();
    }
  }

}