/*
    *  XNap - A P2P framework and client.
    *
    *  See the file AUTHORS for copyright information.
    *
    *  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.
    *
   *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.xnap.gui.prefs;
  
  import java.awt.Component;
  import java.awt.GridBagLayout;
  import java.util.Locale;
  
  import javax.help.CSH;
  import javax.swing.*;
  import javax.swing.JCheckBox;
  import javax.swing.JComboBox;
  import javax.swing.JList;
  import javax.swing.JPanel;
  
  import org.xnap.XNap;
  import org.xnap.gui.AbstractSettingsPanel;
  import org.xnap.gui.component.*;
  import org.xnap.gui.util.GUIHelper;
  import org.xnap.gui.util.GridBagHelper;
  import org.xnap.util.StringHelper;
  
  /***
   * Provides controls for personal settings.
   */
  public class PersonalPrefsPanel extends AbstractSettingsPanel {
      
      //--- Data field(s) ---
  
      private ValidatedTextField jteUsername;
      private ValidatedTextField jtePassword;
      private ValidatedTextField jteEmail;
      private JComboBox jcbLanguage;
  
      private JCheckBox jcAutoVersionCheck;
      private JCheckBox jcEmacsKeyBindings;
      private JComboBox jcbCompletion;
  
  
      //--- Constructor(s) ---
  
      public PersonalPrefsPanel()
      {
  		setLayout(new GridBagLayout());
  
  		// help
  		CSH.setHelpIDString(this, "personal");
  
          JLabel l = GridBagHelper.addLabel(this, XNap.tr("Username"));
          jteUsername = new ValidatedTextField
  			(prefs.getUsername(), 20, StringHelper.EMAIL);
  		l.setLabelFor(jteUsername);
          GridBagHelper.add(this, jteUsername);
  
  		// help
  		CSH.setHelpIDString(jteUsername, "username");
  	
          l = GridBagHelper.addLabel(this, XNap.tr("Password"));
          jtePassword = new ValidatedTextField
  			(prefs.getPassword(), 20, StringHelper.EMAIL);
  		l.setLabelFor(jtePassword);
          GridBagHelper.add(this, jtePassword);
  
  		// help
  		CSH.setHelpIDString(jtePassword, "password");
  
          l = GridBagHelper.addLabel(this, XNap.tr("Email"));
  
  		/* this is just a crude approach, to only allow valid email addresses
  		   someone would have to read RFC 2821 and RFC 2822.  */
          jteEmail = new ValidatedTextField
  			(prefs.getEmail(), 20, StringHelper.EMAIL);
  		l.setLabelFor(jteEmail);
  		GridBagHelper.add(this, jteEmail);
  
  		// help
  		CSH.setHelpIDString(jteEmail, "email");
  
  		l = GridBagHelper.addLabel(this, XNap.tr("Language"));
  		jcbLanguage = new JComboBox();
  		l.setLabelFor(jcbLanguage);
  		jcbLanguage.setRenderer(new LocaleCellRenderer());
 		jcbLanguage.addItem(new Locale("", "", ""));
 		for (int i = 0; i < XNap.LANGUAGES.length; i++) {
 			jcbLanguage.addItem(XNap.LANGUAGES[i]);
 			if (prefs.getLanguage().equals(XNap.LANGUAGES[i].getLanguage())) {
 				// we have already added the "system default" locale
 				jcbLanguage.setSelectedIndex(i + 1);
 			}
 		}
 		GridBagHelper.add(this, jcbLanguage, false);
 
 		// help
 		CSH.setHelpIDString(jcbLanguage, "language");
 
 		JPanel jpMisc = new JPanel(new GridBagLayout());
 		jpMisc.setBorder
 			(GUIHelper.createDefaultBorder(XNap.tr("Miscellaneous")));
 
 		jcAutoVersionCheck = new JCheckBox(XNap.tr("Check for New Version", 1),
                                            prefs.getAutoVersionCheck());
 //  		GridBagHelper.add(jpMisc, jcAutoVersionCheck);
 	
 		jcEmacsKeyBindings = 
 			new JCheckBox(XNap.tr("Use Emacs Keybindings", 1),
 						  prefs.getUseEmacsKeyBindings());
 		GridBagHelper.add(jpMisc, jcEmacsKeyBindings);
 
 
 		// help
 		CSH.setHelpIDString(jcEmacsKeyBindings, "emacs-keybindings");
 
 
 		// completion mode
 		l = GridBagHelper.addLabel(jpMisc, XNap.tr(" Default Completion Mode"));
 		jcbCompletion = new JComboBox
 			(CompletionModeFactory.DEFAULT_COMPLETION_MODES);
 		jcbCompletion.setRenderer(new CompletionModeCellRenderer());
 		l.setLabelFor(jcbCompletion);
 		GridBagHelper.add(jpMisc, jcbCompletion, false);
 
 		for (int i = 0; i < jcbCompletion.getItemCount(); i++) {
 			if (prefs.getDefaultCompletionMode().equals
 				(jcbCompletion.getItemAt(i))) {
 				jcbCompletion.setSelectedIndex(i);
 				break;
 			}
 		}
 
 		// help
 		CSH.setHelpIDString(jcbCompletion, "default-completion");
 
 		GridBagHelper.add(this, jpMisc);
 
 		GridBagHelper.addVerticalSpacer(this);
 		GUIHelper.setMnemonics(this);
     }
 
     //--- Method(s) ---
 
     public void apply() 
     {
 		prefs.setUsername(jteUsername.getText());
 		prefs.setPassword(jtePassword.getText());
 		prefs.setEmail(jteEmail.getText());
 		prefs.setLanguage(((Locale)jcbLanguage.getSelectedItem()).getLanguage());
 
 		prefs.setAutoVersionCheck(jcAutoVersionCheck.isSelected());
 		prefs.setUseEmacsKeyBindings(jcEmacsKeyBindings.isSelected());
 		prefs.setDefaultCompletionMode(jcbCompletion.getSelectedItem().toString());
     }
 
     public String getTitle()
     {
 		return XNap.tr("Personal");
     }
 
     protected class LocaleCellRenderer extends DefaultListCellRenderer {
 
 		public Component getListCellRendererComponent
 			(JList list, Object val, int idx, boolean isSel, boolean hasFocus) 
 		{
 			super.getListCellRendererComponent
 				(list, val, idx, isSel, hasFocus);
 
 			String s = ((Locale)val).getDisplayLanguage();
 			setText((s.length() > 0) ? s : XNap.tr("System Default"));
 
 			return this;
 		}
     }
 
 	private class CompletionModeCellRenderer extends DefaultListCellRenderer
 	{
 		public Component getListCellRendererComponent
 			(JList list, Object val, int idx, boolean isSel, boolean hasFocus) 
 		{
 			super.getListCellRendererComponent(list, val, idx, isSel, hasFocus);
 			setText(XNap.tr(val.toString()));
 			return this;
 		}
 	}
 }