source: trunk/java-client/org/nzdl/gsdl/SimpleGraphicalClient/CSFrame.java@ 2281

/*
 *    CSFrame.java
 *    Copyright (C) 2001 New Zealand Digital Library Project
 *
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package org.nzdl.gsdl.SimpleGraphicalClient;


import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPopupMenu;
import javax.swing.BoxLayout;
import javax.swing.JMenu;
import javax.swing.AbstractAction;
import javax.swing.SwingUtilities;
import javax.swing.KeyStroke;

import java.awt.*;
import java.awt.event.*;
import java.util.Observer;
import java.util.Observable;
/**
 * Class 
 *
 * A class to 
 * 
 * @author Dave Nichols ([email protected])
 * @author stuart yeates ([email protected])
 * @version $Revision: 2281 $
 * @see org.nzdl.gsdl.service.SimpleGraphicalClient.SimpleGraphicalClient
 */

public class CSFrame extends JFrame implements Observer, Constants

{

CSModel csModel;
SearchPanel searchPanel;
JPanel otherPanel;


  // Constructor
  public CSFrame(String title, CSModel newCSModel)
  {
    setTitle(title);                              // Set the window title
    
    csModel = newCSModel;
    Container content = getContentPane();

    setJMenuBar(menuBar);                         // Add the menu bar to the window

    JMenu fileMenu = new JMenu("File");           // Create File menu
    JMenu editMenu = new JMenu("Edit");        // Create Edit menu

    // File Menu

    //fileMenu.addSeparator();
    fileMenu.add( quitAction = new FileAction("Poll Server", POLL_ID, this)).setAccelerator(KeyStroke.getKeyStroke('P', Event.CTRL_MASK));
    fileMenu.add( quitAction = new FileAction("Collect Garbage", GARBAGE_ID, this)).setAccelerator(KeyStroke.getKeyStroke('G', Event.CTRL_MASK));
    fileMenu.add( quitAction = new FileAction("Quit", QUIT_ID, this)).setAccelerator(KeyStroke.getKeyStroke('Q', Event.CTRL_MASK));

    // Edit Menu

    editMenu.add( prefAction = new EditAction("Preferences", PREF_ID, this));
    editMenu.add( prefAction = new EditAction("View Change Log", LOG_ID, this));

    
    menuBar.add(fileMenu);                        // Add the file menu
    menuBar.add(editMenu);                        // Add the edit menu
    
    
    searchPanel = new SearchPanel(csModel, this);
        
    JPanel centerPanel = new JPanel();
    QueryHistoryPanel queryHistoryPanel = new QueryHistoryPanel(csModel);
    BerryBasketPanel berryBasketPanel = new BerryBasketPanel(csModel);


    centerPanel.setLayout(new BoxLayout(centerPanel, BoxLayout.Y_AXIS));
    centerPanel.add(berryBasketPanel);
    centerPanel.add(queryHistoryPanel);


    content.setLayout(new BoxLayout(content, BoxLayout.X_AXIS));    
    content.add(searchPanel);
    content.add(centerPanel);
    
    addWindowListener(new WindowHandler());
        
    pack();
    searchPanel.searchTextField.requestFocus();
  } //end constructor


public void update(Observable observedThing, Object o )
    {
    System.out.println("Updating...");
    //jlist.setListData( ((CSModel)observedThing).getModel() );
    }



  // action objects

  abstract class CSAction extends AbstractAction {
      int menuItemID;
      CSFrame frame;
  
          CSAction( String name, int newMenuItemID, CSFrame f)
          {
            super(name);
            menuItemID = newMenuItemID;
            frame = f;
           }
           
           public abstract void actionPerformed(ActionEvent e);
           
  } //end CSAction
  
  class FileAction extends CSAction
  {
        FileAction(String name, int newMenuItemID, CSFrame frame)
        {
             super(name,newMenuItemID, frame );
         }

         public void actionPerformed(ActionEvent e)
         {
         switch (menuItemID) {
                 case GARBAGE_ID:
           System.err.println("forcing gc...");
           System.gc() ;
           System.runFinalization();
           System.err.println("forcing gc...");
           System.gc() ;
           System.runFinalization();
           System.err.println("forced gc");
           break; 
                case POLL_ID:
                     System.out.println("poll chosen from menu");
                     break; 
                case QUIT_ID:
                     System.out.println("quit chosen from menu");
                     //save preferences not in dialog
                     searchPanel.savePrefs();
                     dispose();       // free resources
                     System.exit(0);  // exit program
                     break; 
                default:
                     System.out.println("unimplemented option chosen from FileAction");
                     break; 
          } // end switch
         }//end actionPerformed
  } // end FileAction

  class EditAction extends CSAction 
  {
        EditAction(String name, int newMenuItemID, CSFrame frame)
        {
             super(name,newMenuItemID, frame );
         }

         public void actionPerformed(ActionEvent e)
         {
         switch (menuItemID) {
                case PREF_ID:
                     PreferencesDialog prefDialog = new PreferencesDialog(frame, "Preferences", false); 
                     break;
                case LOG_ID:
                     ChangeLogDialog logDialog = new ChangeLogDialog(frame, "ChangeLog", false); 
                     break;
                default:
                     System.out.println("unimplemented option chosen from EditAction");
                     break; 
         } // end switch
         } //end actionPerformed
  } // end EditAction
  
  
class WindowHandler extends WindowAdapter
{

   public void windowOpened(WindowEvent e) {

    SwingUtilities.invokeLater(new Runnable() {
       public void run() {
           searchPanel.searchTextField.requestFocus();
           searchPanel.searchTextField.setCaretPosition(
              searchPanel.searchTextField.getText().length() );
           searchPanel.searchTextField.selectAll();
       }
    });
    } //end windowOpened



    public void windowClosing(WindowEvent e)
    {
        dispose();       // free resources
        System.exit(0);  // exit program
    }
}// end WindowHandler


class MouseHandler extends MouseAdapter
{
private Frame frame;

        public MouseHandler( CSFrame f )
        {
           this.frame = f; 
        }

     public void mouseClicked(MouseEvent e) {
            //System.out.println("mouse event" );
         if (e.getClickCount() == 2) {
             System.out.println("double click - mouse event" );
             int index = jlist.locationToIndex(e.getPoint());
             System.out.println("index is " + index );
             //psObject = (PeopleSpaceObject) jlist.getModel().getElementAt(index);
             } //end if
     } //end mouseClicked
          
          public void mousePressed(MouseEvent e) {
                 maybeShowPopup(e);
          }

          public void mouseReleased(MouseEvent e) {
                 maybeShowPopup(e);
          }

          private void maybeShowPopup(MouseEvent e) {
                  if (e.isPopupTrigger()) {
                       contextPopup.show(e.getComponent(),
                       e.getX(), e.getY());
                  } //end if      
          } //end maybeShowPopup
  
 } //end class MouseHandler

  // private declarations
  private JMenuBar menuBar = new JMenuBar();      // Window menu bar
  private JMenuItem  quitItem;
  
 private JList jlist, peopleList;
 private JPopupMenu contextPopup;

  // FileActions
  private FileAction newSpaceAction, newGroupAction, newPersonAction, quitAction;
  
  // EditActions
  
  private EditAction prefAction;

  //Dialog

  private PreferencesDialog newPreferencesDialog;
  
} //end CSFrame