/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
 * Copyright (C) 2011-2012 Brian P. Hinz
 * 
 * This 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 software 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 software; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */

package com.tigervnc.vncviewer;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.WindowConstants.*;
import java.util.*;

import com.tigervnc.rfb.*;

class ServerDialog extends Dialog implements
                           ActionListener,
                           ItemListener
{

  public ServerDialog(OptionsDialog options_,
                      String defaultServerName, CConn cc_) {
    
    super(true);
    cc = cc_;
    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
    setResizable(false);
    setSize(new Dimension(340, 135));
    setTitle("VNC Viewer : Connection Details");
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        if (cc.viewer.firstApplet && cc.viewport == null) {
          System.exit(1);
        } else {
          ok = false;
          endDialog();
        }
      }
    });

    options = options_;
    getContentPane().setLayout(new GridBagLayout());

    JLabel serverLabel = new JLabel("Server:", JLabel.RIGHT);
    if (options.defaults.getString("server") != null) {
      server = new JComboBox(options.defaults.getString("server").split(","));
    } else {
      server = new JComboBox();
    }

    // Hack to set the left inset on editable JComboBox
    if (UIManager.getLookAndFeel().getID() == "Windows") {
      server.setBorder(BorderFactory.createCompoundBorder(server.getBorder(),
        BorderFactory.createEmptyBorder(0,2,0,0)));
    } else if (UIManager.getLookAndFeel().getID() == "Metal") {
      ComboBoxEditor editor = server.getEditor();
      JTextField jtf = (JTextField)editor.getEditorComponent();
      jtf.setBorder(new CompoundBorder(jtf.getBorder(), new EmptyBorder(0,2,0,0)));
    }

    server.setEditable(true);
    editor = server.getEditor();

    JPanel topPanel = new JPanel(new GridBagLayout());

    addGBComponent(new JLabel(cc.logo),topPanel, 0, 0, 1, 1, 0, 0, 0, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.LINE_START, new Insets(5,5,5,15));
    addGBComponent(serverLabel,topPanel, 1, 0, 1, 1, 0, 0, 0, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.LINE_END, new Insets(10,0,5,5));
    addGBComponent(server,topPanel, 2, 0, 1, 1, 0, 0, 1, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER, new Insets(10,0,5,40));

    optionsButton = new JButton("Options...");
    aboutButton = new JButton("About...");
    okButton = new JButton("OK");
    cancelButton = new JButton("Cancel");
    JPanel buttonPanel = new JPanel(new GridBagLayout());
    buttonPanel.setPreferredSize(new Dimension(340, 40));
    addGBComponent(aboutButton,buttonPanel, 0, 3, 1, 1, 0, 0, 0.2, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER, new Insets(0,5,0,5));
    addGBComponent(optionsButton,buttonPanel, 1, 3, 1, 1, 0, 0, 0, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER, new Insets(0,5,0,5));
    addGBComponent(okButton,buttonPanel, 2, 3, 1, 1, 0, 0, 0.8, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER, new Insets(0,5,0,5));
    addGBComponent(cancelButton,buttonPanel, 3, 3, 1, 1, 0, 0, 0.5, 1, GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER, new Insets(0,5,0,5));

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.LINE_START;
    gbc.fill = GridBagConstraints.BOTH;
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    gbc.gridheight = 1;
    gbc.insets = new Insets(0,0,0,0);
    gbc.ipadx = 0;
    gbc.ipady = 0;
    gbc.weightx = 1;
    gbc.weighty = 1;
    getContentPane().add(topPanel,gbc);
    getContentPane().add(buttonPanel);

    server.addActionListener(this);
    optionsButton.addActionListener(this);
    aboutButton.addActionListener(this);
    okButton.addActionListener(this);
    cancelButton.addActionListener(this);
    
    pack();
  }

  public void itemStateChanged(ItemEvent e) {
    //Object s = e.getSource();
  }

  public void actionPerformed(ActionEvent e) {
    Object s = e.getSource();
    if (s instanceof JButton && (JButton)s == okButton) {
      ok = true;
      endDialog();
    } else if (s instanceof JButton && (JButton)s == cancelButton) {
      ok = false;
      endDialog();
    } else if (s instanceof JButton && (JButton)s == optionsButton) {
      options.showDialog(this);
    } else if (s instanceof JButton && (JButton)s == aboutButton) {
      cc.showAbout();
    } else if (s instanceof JComboBox && (JComboBox)s == server) {
      if (e.getActionCommand().equals("comboBoxEdited")) {
        server.insertItemAt(editor.getItem(), 0);
        server.setSelectedIndex(0);
        ok = true;
        endDialog();
      }
    }
  }
  
  public void endDialog() {
    if (ok) {
      try {
        if (!server.getSelectedItem().toString().equals("")) {
          String t = (options.defaults.getString("server")==null) ? "" : options.defaults.getString("server");
          StringTokenizer st = new StringTokenizer(t, ",");
          StringBuffer sb = new StringBuffer().append((String)server.getSelectedItem());
          while (st.hasMoreTokens()) {
            String s = st.nextToken();
            if (!s.equals((String)server.getSelectedItem()) && !s.equals("")) {
              sb.append(',');
              sb.append(s);
            }
          }
          options.defaults.setPref("server", sb.toString());
        }
        options.defaults.Save();
      } catch (java.io.IOException e) {
        System.out.println(e.toString());
      } catch(java.security.AccessControlException e) {
        System.out.println(e.toString());
		  }
    }
    done = true;
    if (modal) {
      synchronized (this) {
        notify();
      }
    }
    this.dispose();
  }

  CConn cc;
  JComboBox server;
  ComboBoxEditor editor;
  JButton aboutButton, optionsButton, okButton, cancelButton;
  OptionsDialog options;
  static LogWriter vlog = new LogWriter("ServerDialog");

}