public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand() == "timer") { if (counter >= imagePaths.length) { timer.stop(); counter = 0; PlayStopButton.setText("Play"); } else { try { // if the array contains URLs if (imagePaths[counter].contains("http://")) { scrollPane.setToolTipText(imagePaths[counter]); imageIcon = new ImageIcon((new URL(imagePaths[counter++]))); scrollPane.setViewportView(new JLabel(imageIcon)); } // if the array contains local images else { image.setIcon(new ImageIcon(imagePaths[counter])); image.setToolTipText(imagePaths[counter++]); } } catch (MalformedURLException ex) { Logger.getLogger(Slideshow.class.getName()).log(Level.SEVERE, null, ex); image = new JLabel("?" + imagePaths); } } } }
private void initComponents() { try { for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (Exception e) { // If Nimbus is not available, you can set the GUI to another look and feel. } usernameLabel = new JLabel(); usernameField = new JTextField(); chatroomScrollPane = new JScrollPane(); chatroomArea = new JTextArea(); chatMsgLabel = new JLabel(); chatMsgField = new JTextField(); chatIPLabel = new JLabel(); chatIPField = new JTextField(); portLabel = new JLabel(); portField = new JTextField(); joinButton = new JToggleButton(); sendButton = new JButton(); leaveButton = new JButton(); exitButton = new JButton(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); usernameLabel.setText("Username:"******" "); chatroomArea.setEditable(false); chatroomArea.setColumns(20); chatroomArea.setRows(5); chatroomScrollPane.setViewportView(chatroomArea); chatMsgLabel.setText("Chat Message:"); chatIPLabel.setText("Chat Group IP"); chatIPField.setText("224.27.43.188"); portLabel.setText("Port"); portField.setText("4001"); joinButton.setText("JOIN CHAT"); joinButton.addActionListener(this); sendButton.setText("SEND MESSAGE"); sendButton.addActionListener(this); leaveButton.setText("LEAVE CHAT"); leaveButton.addActionListener(this); exitButton.setText("EXIT"); exitButton.addActionListener(this); GroupLayout layout = new GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup( layout .createSequentialGroup() .addContainerGap() .addGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup( GroupLayout.Alignment.TRAILING, layout .createSequentialGroup() .addGap(0, 0, Short.MAX_VALUE) .addComponent(usernameLabel) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED) .addComponent( usernameField, GroupLayout.PREFERRED_SIZE, 83, GroupLayout.PREFERRED_SIZE)) .addComponent(chatroomScrollPane) .addGroup( layout .createSequentialGroup() .addGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup( layout .createSequentialGroup() .addComponent(chatMsgLabel) .addPreferredGap( LayoutStyle.ComponentPlacement.RELATED) .addComponent( chatMsgField, GroupLayout.PREFERRED_SIZE, 296, GroupLayout.PREFERRED_SIZE)) .addGroup( layout .createSequentialGroup() .addGroup( layout .createParallelGroup( GroupLayout.Alignment.TRAILING, false) .addComponent( chatIPField, GroupLayout.Alignment.LEADING) .addComponent( chatIPLabel, GroupLayout.Alignment.LEADING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(18, 18, 18) .addGroup( layout .createParallelGroup( GroupLayout.Alignment.LEADING, false) .addComponent( portField, GroupLayout.DEFAULT_SIZE, 46, Short.MAX_VALUE) .addComponent( portLabel, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(18, 18, 18) .addGroup( layout .createParallelGroup( GroupLayout.Alignment.LEADING, false) .addGroup( layout .createSequentialGroup() .addComponent(leaveButton) .addGap(18, 18, 18) .addComponent( exitButton, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGroup( layout .createSequentialGroup() .addComponent( joinButton, GroupLayout.PREFERRED_SIZE, 93, GroupLayout.PREFERRED_SIZE) .addGap(18, 18, 18) .addComponent(sendButton))))) .addGap(0, 8, Short.MAX_VALUE))) .addContainerGap())); layout.setVerticalGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup( layout .createSequentialGroup() .addContainerGap() .addGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING, false) .addComponent(usernameField) .addComponent( usernameLabel, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(3, 3, 3) .addComponent( chatroomScrollPane, GroupLayout.PREFERRED_SIZE, 178, GroupLayout.PREFERRED_SIZE) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent( chatMsgLabel, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent( chatMsgField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup( layout .createSequentialGroup() .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent(chatIPLabel) .addComponent(portLabel)) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent( chatIPField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent( portField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))) .addGroup( layout .createSequentialGroup() .addGap(16, 16, 16) .addGroup( layout .createParallelGroup( GroupLayout.Alignment.LEADING, false) .addComponent( joinButton, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent( sendButton, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)) .addGap(8, 8, 8) .addGroup( layout .createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent(leaveButton) .addComponent(exitButton)))) .addGap(17, 17, 17))); pack(); setVisible(true); }