/*

 *    PreferencesDialogt.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 org.nzdl.gsdl.util.NzdlConstants;
import org.nzdl.gsdl.util.NzdlPreferences;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;



public class PreferencesDialog extends JDialog implements ActionListener {

    private CSFrame parentFrame;
private JButton okButton, cancelButton;
private JPanel  buttonPanel, holderPanel;
private Box contentBox;
    private JCheckBox showFirstDocCheckBox, showAsTextCheckBox, connectToMultipleCheckBox, logNetworkLevelCheckBox, useCacheCheckBox,  saveDocsCheckBox;



PreferencesDialog(CSFrame f, String title, boolean modal) {
    super(f, title, modal );
    parentFrame = f;

    contentBox = Box.createVerticalBox();
    //  contentPanel = new JPanel();
    //  GridLayout grid = new GridLayout(0,2,5,5);
	  		
    buttonPanel = new JPanel();

    //editPanel.setLayout(new GridLayout(0,1,5,5));
			

    JLabel prefTitle = new JLabel("Preferences", SwingConstants.CENTER);
    prefTitle.setAlignmentX(JLabel.CENTER_ALIGNMENT);
    JPanel prefTitlePanel = new JPanel();
    prefTitlePanel.add(prefTitle);

    //contentBox.add();
    // the preferences themselves ...

    showFirstDocCheckBox = 
      new JCheckBox( NzdlConstants.DISPLAY_FIRST_DOC, NzdlPreferences.getBoolean( NzdlConstants.DISPLAY_FIRST_DOC));
    showFirstDocCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    showAsTextCheckBox = 
      new JCheckBox( NzdlConstants.RAW_TEXT, NzdlPreferences.getBoolean(NzdlConstants.RAW_TEXT));
    showAsTextCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    connectToMultipleCheckBox = 
      new JCheckBox(NzdlConstants.MULTIPLE_SERVERS, NzdlPreferences.getBoolean(NzdlConstants.MULTIPLE_SERVERS));
    connectToMultipleCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    logNetworkLevelCheckBox = 
      new JCheckBox(NzdlConstants.LOG_SERVICE, NzdlPreferences.getBoolean(NzdlConstants.LOG_SERVICE));
    logNetworkLevelCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    useCacheCheckBox = 
      new JCheckBox(NzdlConstants.CACHE_CORBA, NzdlPreferences.getBoolean(NzdlConstants.CACHE_CORBA));
    useCacheCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    saveDocsCheckBox = 
      new JCheckBox(NzdlConstants.SAVE_DOCS, NzdlPreferences.getBoolean(NzdlConstants.SAVE_DOCS));
    saveDocsCheckBox.setHorizontalAlignment(SwingConstants.LEFT);

    // add the preferences ...

    contentBox.add(prefTitlePanel);
    contentBox.add(showFirstDocCheckBox);
    contentBox.add(showAsTextCheckBox);
    contentBox.add(connectToMultipleCheckBox);
    contentBox.add(logNetworkLevelCheckBox);
    contentBox.add(useCacheCheckBox);
    contentBox.add(saveDocsCheckBox);

    okButton = new JButton("Ok");
    cancelButton = new JButton("Cancel");
    okButton.setPreferredSize(new Dimension(80,20));
    cancelButton.setPreferredSize(new Dimension(80,20));
    okButton.addActionListener(this);
    cancelButton.addActionListener(this);
    buttonPanel.add( okButton );
    buttonPanel.add( cancelButton );
    getRootPane().setDefaultButton(okButton);

    holderPanel = new JPanel();
    holderPanel.setBorder(BorderFactory.createEmptyBorder(10,10,2,10));
    holderPanel.setLayout( new BorderLayout());
    holderPanel.add( contentBox, BorderLayout.NORTH);
    holderPanel.add( buttonPanel, BorderLayout.SOUTH);
    getContentPane().add(holderPanel);
    //setSize(new Dimension(300,300));

    pack();
    setVisible(true);
} //end PreferencesDialog constructor



public void actionPerformed(ActionEvent e) {
    Object source = e.getSource();
    if (source == okButton)
	{
	    //System.err.println("ok button pressed!");

	    boolean oldRawText =  NzdlPreferences.getBoolean(NzdlConstants.RAW_TEXT);

	    NzdlPreferences.setBoolean(NzdlConstants.DISPLAY_FIRST_DOC,showFirstDocCheckBox.isSelected());
	    NzdlPreferences.setBoolean(NzdlConstants.RAW_TEXT, showAsTextCheckBox.isSelected());
	    NzdlPreferences.setBoolean(NzdlConstants.MULTIPLE_SERVERS, connectToMultipleCheckBox.isSelected());
	    NzdlPreferences.setBoolean(NzdlConstants.LOG_SERVICE,logNetworkLevelCheckBox.isSelected());
	    NzdlPreferences.setBoolean(NzdlConstants.CACHE_CORBA, useCacheCheckBox.isSelected());
	    NzdlPreferences.setBoolean(NzdlConstants.SAVE_DOCS, saveDocsCheckBox.isSelected());
	  NzdlPreferences.getInstance().save();

	  // update the current display if raw text option has changed ?

	  boolean newRawText = NzdlPreferences.getBoolean(NzdlConstants.RAW_TEXT);
	  
	  if (oldRawText != newRawText) {
	      //System.err.println("raw text option changed");
	      if (newRawText) {
		  // kludgy direct access to instance and method 
		  parentFrame.searchPanel.switchToRawText();
	      }
	      else
		  // kludgy direct access to instance and method
	          parentFrame.searchPanel.switchToHTML();
	  } // end if oldRawText != newRawTex

	  dispose(); //close window
	} // end if source == okButton
    else
	{
	    if (source == cancelButton)
		{
		    dispose();
		}					
	    else
		System.err.println("event not processed in PreferencesDialog");
	}
} //end actionPerformed

} // end PreferencesDialog class