ChatApp/PrimaPagina.java

   1 /*
   2  * © 2010 ROBO Design
   3  * http://www.robodesign.ro
   4  *
   5  * $Date: 2010-05-19 18:35:24 +0300 $
   6  */
   7
   8 package ChatApp;
   9
  10 import java.awt.Component;
  11 import java.awt.Container;
  12 import java.awt.Dimension;
  13 import java.awt.GridBagConstraints;
  14 import java.awt.GridBagLayout;
  15 import java.awt.Insets;
  16 import java.awt.event.ActionEvent;
  17 import java.awt.event.ActionListener;
  18 import javax.swing.JButton;
  19 import javax.swing.JFrame;
  20 import javax.swing.JLabel;
  21 import javax.swing.JPanel;
  22 import javax.swing.JSpinner;
  23 import javax.swing.JTabbedPane;
  24 import javax.swing.JTextField;
  25 import javax.swing.SpinnerNumberModel;
  26 import javax.swing.event.ChangeEvent;
  27 import javax.swing.event.ChangeListener;
  28
  29 // Panoul principal, "prima pagina". Acesta permite utilizatorului:
  30 // - sa porneasca serverul pentru a gazdui un chat,
  31 // - sa se conecteze la un alt server, la un chat existent.
  32
  33 public class PrimaPagina extends JPanel implements ActionListener, ChangeListener {
  34   private appMain myApp;
  35   private JTabbedPane panouTaburi;
  36   private JSpinner serverPortField;
  37   private JSpinner clientPortField;
  38   private final int portMin = 1024;
  39   private final int portMax = 65535;
  40   private JTextField serverNickField;
  41   private JTextField clientNickField;
  42   private JTextField serverAddressField;
  43   private JButton btnConectareServer;
  44   private JButton btnStartServer;
  45
  46   public PrimaPagina (appMain rootApp) {
  47     super(new GridBagLayout());
  48
  49     GridBagConstraints c = new GridBagConstraints();
  50     myApp = rootApp;
  51
  52     // taburile principale ale aplicatiei.
  53     panouTaburi = new JTabbedPane();
  54     panouTaburi.setName("taburiPrimaPagina");
  55     panouTaburi.addTab("Conectare la server", panouConectareServer());
  56     panouTaburi.addTab("Gazduire server", panouGazduireChat());
  57     panouTaburi.addChangeListener(this);
  58
  59     c.fill = c.BOTH;
  60     c.anchor = c.CENTER;
  61     c.gridx = 0;
  62     c.gridy = 0;
  63     c.weightx = 1;
  64     c.weighty = 1;
  65     c.insets = new Insets(12, 12, 6, 12);
  66     this.add(panouTaburi, c);
  67
  68     JButton btnIesire = new JButton("Iesire");
  69     btnIesire.setToolTipText("Iesire din aplicatie.");
  70     btnIesire.setActionCommand("iesireApp");
  71     btnIesire.setDefaultCapable(false);
  72     btnIesire.addActionListener(this);
  73
  74     c.fill = c.NONE;
  75     c.anchor = c.EAST;
  76     c.gridy = 1;
  77     c.gridheight = c.RELATIVE;
  78     c.weighty = 0;
  79     c.insets = new Insets(6, 12, 12, 12);
  80     this.add(btnIesire, c);
  81   }
  82
  83   // initializarea interfetei
  84   public void initializare () {
  85     JFrame f = myApp.getMyFrame();
  86
  87     if (f.getContentPane() == ((Container) this)) {
  88       return;
  89     }
  90
  91     f.setContentPane((Container) this);
  92     f.setTitle("ChatApp");
  93     f.setSize(new Dimension(360, 310));
  94     f.setMinimumSize(new Dimension(360, 310));
  95     f.setPreferredSize(new Dimension(360, 310));
  96     f.pack();
  97     f.setLocationRelativeTo(null);
  98
  99     Component tab = panouTaburi.getSelectedComponent();
 100
 101     if (tab.getName().equals("conectareServer")) {
 102       myApp.getRootPane().setDefaultButton(btnConectareServer);
 103       clientNickField.requestFocusInWindow();
 104     } else if (tab.getName().equals("gazduireChat")) {
 105       myApp.getRootPane().setDefaultButton(btnStartServer);
 106       serverNickField.requestFocusInWindow();
 107     } else {
 108       myApp.getRootPane().setDefaultButton(null);
 109     }
 110   }
 111
 112   // event handler pentru butoanele din panou: gazduire server si conectare la
 113   // server.
 114   public void actionPerformed (ActionEvent ev) {
 115     String cmd = ev.getActionCommand();
 116
 117     String nick = "";
 118
 119     if (cmd.equals("startServer")) {
 120       nick = serverNickField.getText();
 121     } else if (cmd.equals("conectareServer")) {
 122       nick = clientNickField.getText();
 123     }
 124
 125     // validare nume
 126     if (!nick.isEmpty()) {
 127       nick = nick.trim();
 128       if (!nick.isEmpty()) {
 129         nick = nick.replaceAll("/\\s+/", "-");
 130       }
 131       if (nick.equals("#server")) {
 132         nick = "";
 133       }
 134     }
 135
 136     if (cmd.equals("startServer") && !nick.isEmpty()) {
 137       int port = ((SpinnerNumberModel) serverPortField.getModel()).getNumber().intValue();
 138       myApp.startServer(nick, port);
 139
 140     } else if (cmd.equals("conectareServer") && !nick.isEmpty() &&
 141         !serverAddressField.getText().trim().isEmpty()) {
 142
 143       int port = ((SpinnerNumberModel) clientPortField.getModel()).getNumber().intValue();
 144       myApp.conectareServer(nick, serverAddressField.getText().trim(), port);
 145
 146     } else if (cmd.equals("iesireApp")) {
 147       myApp.iesireApp();
 148     }
 149   }
 150
 151   // event handler pentru schimbarea tabului activ.
 152   public void stateChanged (ChangeEvent ev) {
 153     Object src = ev.getSource();
 154     if (!(src instanceof JTabbedPane)) {
 155       return;
 156     }
 157
 158     JTabbedPane panou = (JTabbedPane) src;
 159     if (panou == panouTaburi) {
 160       int sel = panou.getSelectedIndex();
 161       if (sel == 0) {
 162         myApp.getRootPane().setDefaultButton(btnConectareServer);
 163       } else if (sel == 1) {
 164         myApp.getRootPane().setDefaultButton(btnStartServer);
 165       } else {
 166         myApp.getRootPane().setDefaultButton(null);
 167       }
 168     }
 169   }
 170
 171   // panoul ce permite gazduirea de server chat.
 172   private JPanel panouGazduireChat () {
 173     GridBagConstraints c = new GridBagConstraints();
 174     c.fill = c.HORIZONTAL;
 175     c.anchor = c.WEST;
 176     c.insets = new Insets(5, 5, 5, 5);
 177
 178     JPanel panou = new JPanel(new GridBagLayout());
 179     panou.setName("gazduireChat");
 180
 181     SpinnerNumberModel portModel = new SpinnerNumberModel(portMin, portMin, portMax, 1);
 182     serverPortField = new JSpinner(portModel);
 183     serverPortField.setToolTipText("Portul pe carte serverul asculta conexiuni de la clienti.");
 184
 185     JLabel portLabel = new JLabel("Portul de ascultare:");
 186     portLabel.setLabelFor(serverPortField);
 187
 188     serverNickField = new JTextField();
 189     serverNickField.setColumns(10);
 190     serverNickField.setToolTipText("Numele tau, in calitatea de client pe server, folosit in discutiile cu ceilalti clienti.");
 191
 192     JLabel serverNickLabel = new JLabel("Numele tau:");
 193     serverNickLabel.setLabelFor(serverNickField);
 194
 195     btnStartServer = new JButton("Porneste serverul!");
 196     btnStartServer.setDefaultCapable(true);
 197     btnStartServer.setActionCommand("startServer");
 198     btnStartServer.addActionListener(this);
 199
 200     c.gridx = 0;
 201     c.gridy = 0;
 202     panou.add(serverNickLabel, c);
 203
 204     c.gridy = 1;
 205     panou.add(portLabel, c);
 206
 207     c.gridx = 1;
 208     c.gridy = 0;
 209     c.weightx = 1;
 210     c.gridwidth = c.RELATIVE;
 211     panou.add(serverNickField, c);
 212
 213     c.gridy = 1;
 214     panou.add(serverPortField, c);
 215
 216     c.gridx = 0;
 217     c.gridy = 2;
 218     c.anchor = c.NORTHEAST;
 219     c.fill = c.NONE;
 220     c.gridwidth = 2;
 221     c.gridheight = c.REMAINDER;
 222     c.weighty = 1;
 223     panou.add(btnStartServer, c);
 224
 225     return panou;
 226   }
 227
 228   // panoul ce permite conectarea la un server de chat.
 229   private JPanel panouConectareServer () {
 230     GridBagConstraints c = new GridBagConstraints();
 231     c.fill = c.HORIZONTAL;
 232     c.anchor = c.WEST;
 233     c.insets = new Insets(5, 5, 5, 5);
 234
 235     JPanel panou = new JPanel(new GridBagLayout());
 236     panou.setName("conectareServer");
 237
 238     clientNickField = new JTextField();
 239     clientNickField.setColumns(10);
 240     clientNickField.setToolTipText("Numele tau in discutiile cu ceilalti clienti conectati la server.");
 241
 242     JLabel clientNickLabel = new JLabel("Numele tau:");
 243     clientNickLabel.setLabelFor(clientNickField);
 244
 245     serverAddressField = new JTextField();
 246     serverAddressField.setColumns(10);
 247
 248     JLabel serverAddressLabel = new JLabel("Adresa serverului:");
 249     serverAddressLabel.setLabelFor(serverAddressField);
 250
 251     SpinnerNumberModel portModel = new SpinnerNumberModel(portMin, portMin, portMax, 1);
 252     clientPortField = new JSpinner(portModel);
 253     clientPortField.setToolTipText("Portul pe carte serverul asculta conexiuni de la clienti.");
 254
 255     JLabel portLabel = new JLabel("Portul serverului:");
 256     portLabel.setLabelFor(clientPortField);
 257
 258     btnConectareServer = new JButton("Conecteaza-te la server!");
 259     btnConectareServer.setDefaultCapable(true);
 260     btnConectareServer.setActionCommand("conectareServer");
 261     btnConectareServer.addActionListener(this);
 262
 263     c.gridx = 0;
 264     c.gridy = 0;
 265     panou.add(clientNickLabel, c);
 266
 267     c.gridy = 1;
 268     panou.add(serverAddressLabel, c);
 269
 270     c.gridy = 2;
 271     panou.add(portLabel, c);
 272
 273     c.gridx = 1;
 274     c.gridy = 0;
 275     c.weightx = 1;
 276     c.gridwidth = c.RELATIVE;
 277     panou.add(clientNickField, c);
 278
 279     c.gridy = 1;
 280     panou.add(serverAddressField, c);
 281
 282     c.gridy = 2;
 283     panou.add(clientPortField, c);
 284
 285     c.gridx = 0;
 286     c.gridy = 3;
 287     c.anchor = c.NORTHEAST;
 288     c.fill = c.NONE;
 289     c.gridwidth = 2;
 290     c.gridheight = c.REMAINDER;
 291     c.weighty = 1;
 292     panou.add(btnConectareServer, c);
 293
 294     return panou;
 295   }
 296 }
 297
 298 // vim:set fo=wancroql tw=80 ts=2 sw=2 sts=2 sta et ai cin ff=unix:
 299