ChatApp/PrimaPagina.java

   1 /*
   2  * © 2010 ROBO Design
   3  * http://www.robodesign.ro
   4  *
   5  * $Date: 2010-05-06 20:17:02 +0300 $
   6  */
   7
   8 package ChatApp;
   9
  10 import java.awt.event.ActionEvent;
  11 import java.awt.event.ActionListener;
  12 import java.awt.GridBagConstraints;
  13 import java.awt.GridBagLayout;
  14 import java.awt.Insets;
  15 import java.awt.Component;
  16 import java.awt.Dimension;
  17 import java.awt.Container;
  18 import javax.swing.event.ChangeEvent;
  19 import javax.swing.event.ChangeListener;
  20 import javax.swing.JButton;
  21 import javax.swing.JComponent;
  22 import javax.swing.JLabel;
  23 import javax.swing.JPanel;
  24 import javax.swing.JSpinner;
  25 import javax.swing.JFrame;
  26 import javax.swing.JTabbedPane;
  27 import javax.swing.JTextField;
  28 import javax.swing.SpinnerNumberModel;
  29
  30 // Panoul principal, "prima pagina". Acesta permite utilizatorului:
  31 // - sa porneasca serverul pentru a gazdui un chat,
  32 // - sa se conecteze la un alt server, la un chat existent.
  33
  34 public class PrimaPagina extends JPanel implements ActionListener, ChangeListener {
  35   private appMain myApp;
  36   private JTabbedPane panouTaburi;
  37   private JSpinner serverPortField;
  38   private JSpinner clientPortField;
  39   private int portMin = 1024;
  40   private int portMax = 65535;
  41   private JTextField serverNickField;
  42   private JTextField clientNickField;
  43   private JTextField serverAddressField;
  44   private JButton btnConectareServer;
  45   private JButton btnStartServer;
  46
  47   public PrimaPagina (appMain rootApp) {
  48     super(new GridBagLayout());
  49
  50     GridBagConstraints c = new GridBagConstraints();
  51     myApp = rootApp;
  52
  53     panouTaburi = new JTabbedPane();
  54     panouTaburi.setName("taburiPrimaPagina");
  55     panouTaburi.addTab("Conectare la server", this.panouConectareServer());
  56     panouTaburi.addTab("Gazduire server", this.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.gridwidth = 1;
  64     c.gridheight = 1;
  65     c.weightx = 1;
  66     c.weighty = 1;
  67     c.insets = new Insets(12, 12, 6, 12);
  68     this.add(panouTaburi, c);
  69
  70     JButton btnIesire = new JButton("Iesire");
  71     btnIesire.setToolTipText("Iesire din aplicatie.");
  72     btnIesire.setActionCommand("iesireApp");
  73     btnIesire.setDefaultCapable(false);
  74     btnIesire.addActionListener(this);
  75
  76     c.fill = c.NONE;
  77     c.anchor = c.EAST;
  78     c.gridx = 0;
  79     c.gridy = 1;
  80     c.gridwidth = c.RELATIVE;
  81     c.gridheight = c.RELATIVE;
  82     c.weightx = 0;
  83     c.weighty = 0;
  84     c.insets = new Insets(6, 12, 12, 12);
  85     this.add(btnIesire, c);
  86   }
  87
  88   // initializarea interfetei
  89   public void initializare () {
  90     JFrame f = myApp.myFrame;
  91
  92     f.setTitle("ChatApp");
  93     f.setMinimumSize(new Dimension(350, 300));
  94     f.setPreferredSize(null);
  95     f.setContentPane((Container) this);
  96     f.pack();
  97     f.setLocationRelativeTo(null);
  98
  99     Component tab = panouTaburi.getSelectedComponent();
 100
 101     if (tab.getName().equals("conectareServer")) {
 102       myApp.rootPane.setDefaultButton(btnConectareServer);
 103       clientNickField.requestFocusInWindow();
 104     } else if (tab.getName().equals("gazduireChat")) {
 105       myApp.rootPane.setDefaultButton(btnStartServer);
 106       serverNickField.requestFocusInWindow();
 107     } else {
 108       myApp.rootPane.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     if (cmd.equals("startServer") &&
 118         serverNickField.getText().length() > 0) {
 119
 120       int port = ((SpinnerNumberModel) serverPortField.getModel()).getNumber().intValue();
 121       myApp.startServer(serverNickField.getText(), port);
 122
 123     } else if (cmd.equals("conectareServer") &&
 124         clientNickField.getText().length() > 0 &&
 125         serverAddressField.getText().length() > 0) {
 126
 127       int port = ((SpinnerNumberModel) clientPortField.getModel()).getNumber().intValue();
 128       myApp.conectareServer(clientNickField.getText(), serverAddressField.getText(), port);
 129
 130     } else if (cmd.equals("iesireApp")) {
 131       myApp.iesireApp();
 132     }
 133   }
 134
 135   // event handler pentru schimbarea tabului activ.
 136   public void stateChanged (ChangeEvent ev) {
 137     Object src = ev.getSource();
 138     if (!(src instanceof JTabbedPane)) {
 139       return;
 140     }
 141
 142     JTabbedPane panou = (JTabbedPane) src;
 143     if (panou == panouTaburi) {
 144       int sel = panou.getSelectedIndex();
 145       if (sel == 0) {
 146         myApp.rootPane.setDefaultButton(btnConectareServer);
 147       } else if (sel == 1) {
 148         myApp.rootPane.setDefaultButton(btnStartServer);
 149       } else {
 150         myApp.rootPane.setDefaultButton(null);
 151       }
 152     }
 153   }
 154
 155   // panoul ce permite gazduirea de server chat.
 156   private JPanel panouGazduireChat () {
 157     GridBagConstraints c = new GridBagConstraints();
 158     c.fill = c.HORIZONTAL;
 159     c.anchor = c.WEST;
 160     c.insets = new Insets(5, 5, 5, 5);
 161
 162     JPanel panou = new JPanel(new GridBagLayout());
 163     panou.setName("gazduireChat");
 164
 165     SpinnerNumberModel portModel = new SpinnerNumberModel(portMin, portMin, portMax, 1);
 166     serverPortField = new JSpinner(portModel);
 167     serverPortField.setToolTipText("Portul pe carte serverul asculta conexiuni de la clienti.");
 168
 169     JLabel portLabel = new JLabel("Port de ascultare:");
 170     portLabel.setLabelFor(serverPortField);
 171
 172     serverNickField = new JTextField();
 173     serverNickField.setColumns(10);
 174     serverNickField.setToolTipText("Numele tau, in calitatea de client pe server, folosit in discutiile cu ceilalti clienti.");
 175
 176     JLabel serverNickLabel = new JLabel("Nume:");
 177     serverNickLabel.setLabelFor(serverNickField);
 178
 179     btnStartServer = new JButton("Porneste serverul!");
 180     btnStartServer.setDefaultCapable(true);
 181     btnStartServer.setActionCommand("startServer");
 182     btnStartServer.addActionListener(this);
 183
 184     c.gridx = 0;
 185     c.gridy = 0;
 186     c.weightx = 0;
 187     c.weighty = 0;
 188     panou.add(serverNickLabel, c);
 189
 190     c.gridy = 1;
 191     panou.add(portLabel, c);
 192
 193     c.gridx = 1;
 194     c.gridy = 0;
 195     c.weightx = 1;
 196     c.gridwidth = c.RELATIVE;
 197     panou.add(serverNickField, c);
 198
 199     c.gridy = 1;
 200     panou.add(serverPortField, c);
 201
 202     c.gridx = 0;
 203     c.gridy = 2;
 204     c.anchor = c.NORTHEAST;
 205     c.fill = c.NONE;
 206     c.gridwidth = c.REMAINDER;
 207     c.gridheight = c.REMAINDER;
 208     c.weighty = 1;
 209     panou.add(btnStartServer, c);
 210
 211     return panou;
 212   }
 213
 214   // panoul ce permite conectarea la un server de chat.
 215   private JPanel panouConectareServer () {
 216     GridBagConstraints c = new GridBagConstraints();
 217     c.fill = c.HORIZONTAL;
 218     c.anchor = c.WEST;
 219     c.insets = new Insets(5, 5, 5, 5);
 220
 221     JPanel panou = new JPanel(new GridBagLayout());
 222     panou.setName("conectareServer");
 223
 224     clientNickField = new JTextField();
 225     clientNickField.setColumns(10);
 226     clientNickField.setToolTipText("Numele tau in discutiile cu ceilalti clienti conectati la server.");
 227
 228     JLabel clientNickLabel = new JLabel("Nume:");
 229     clientNickLabel.setLabelFor(clientNickField);
 230
 231     serverAddressField = new JTextField();
 232     serverAddressField.setColumns(10);
 233
 234     JLabel serverAddressLabel = new JLabel("Adresa serverului:");
 235     serverAddressLabel.setLabelFor(serverAddressField);
 236
 237     SpinnerNumberModel portModel = new SpinnerNumberModel(portMin, portMin, portMax, 1);
 238     clientPortField = new JSpinner(portModel);
 239     clientPortField.setToolTipText("Portul pe carte serverul asculta conexiuni de la clienti.");
 240
 241     JLabel portLabel = new JLabel("Portul serverului:");
 242     portLabel.setLabelFor(clientPortField);
 243
 244     btnConectareServer = new JButton("Conecteaza-te la server!");
 245     btnConectareServer.setDefaultCapable(true);
 246     btnConectareServer.setActionCommand("conectareServer");
 247     btnConectareServer.addActionListener(this);
 248
 249     c.gridx = 0;
 250     c.gridy = 0;
 251     c.weightx = 0;
 252     c.weighty = 0;
 253     panou.add(clientNickLabel, c);
 254
 255     c.gridy = 1;
 256     panou.add(serverAddressLabel, c);
 257
 258     c.gridy = 2;
 259     panou.add(portLabel, c);
 260
 261     c.gridx = 1;
 262     c.gridy = 0;
 263     c.weightx = 1;
 264     c.gridwidth = c.RELATIVE;
 265     panou.add(clientNickField, c);
 266
 267     c.gridy = 1;
 268     panou.add(serverAddressField, c);
 269
 270     c.gridy = 2;
 271     panou.add(clientPortField, c);
 272
 273     c.gridx = 0;
 274     c.gridy = 3;
 275     c.anchor = c.NORTHEAST;
 276     c.fill = c.NONE;
 277     c.gridwidth = c.REMAINDER;
 278     c.gridheight = c.REMAINDER;
 279     c.weighty = 1;
 280     panou.add(btnConectareServer, c);
 281
 282     return panou;
 283   }
 284 }
 285
 286 // vim:set fo=wancroql tw=80 ts=2 sw=2 sts=2 sta et ai cin ff=unix:
 287