tim/prune/function/ShowKeysScreen.java

   1 package tim.prune.function;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Component;
   5 import java.awt.FlowLayout;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.awt.event.KeyEvent;
   9 import java.awt.event.KeyListener;
  10
  11 import javax.swing.BorderFactory;
  12 import javax.swing.JButton;
  13 import javax.swing.JDialog;
  14 import javax.swing.JEditorPane;
  15 import javax.swing.JLabel;
  16 import javax.swing.JPanel;
  17 import javax.swing.JScrollPane;
  18
  19 import tim.prune.App;
  20 import tim.prune.GenericFunction;
  21 import tim.prune.I18nManager;
  22
  23 /**
  24  * Class to show a guide to the shortcut keys
  25  */
  26 public class ShowKeysScreen extends GenericFunction
  27 {
  28         /** dialog window */
  29         private JDialog _dialog = null;
  30         /** Ok button */
  31         private JButton _okButton = null;
  32
  33
  34         /**
  35          * Constructor
  36          * @param inApp app object
  37          */
  38         public ShowKeysScreen(App inApp)
  39         {
  40                 super(inApp);
  41         }
  42
  43         /**
  44          * Get the name key
  45          */
  46         public String getNameKey() {
  47                 return "function.showkeys";
  48         }
  49
  50         /**
  51          * Show the screen
  52          */
  53         public void begin()
  54         {
  55                 if (_dialog == null)
  56                 {
  57                         _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()));
  58                         _dialog.getContentPane().add(makeContents());
  59                         _dialog.pack();
  60                 }
  61                 _dialog.setLocationRelativeTo(_parentFrame);
  62                 _dialog.setVisible(true);
  63                 _okButton.requestFocus();
  64         }
  65
  66         /**
  67          * @return the contents of the window as a Component
  68          */
  69         private Component makeContents()
  70         {
  71                 JPanel mainPanel = new JPanel();
  72                 mainPanel.setLayout(new BorderLayout());
  73                 JLabel introLabel = new JLabel(I18nManager.getText("dialog.keys.intro") + " :");
  74                 introLabel.setBorder(BorderFactory.createEmptyBorder(10, 10, 0, 10));
  75                 mainPanel.add(introLabel, BorderLayout.NORTH);
  76
  77                 JEditorPane kp = new JEditorPane("text/html", I18nManager.getText("dialog.keys.keylist"));
  78                 kp.setEditable(false);
  79                 kp.setOpaque(false);
  80                 kp.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
  81                 mainPanel.add(new JScrollPane(kp), BorderLayout.CENTER);
  82
  83                 // OK button at the bottom
  84                 JPanel okPanel = new JPanel();
  85                 okPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
  86                 _okButton = new JButton(I18nManager.getText("button.ok"));
  87                 _okButton.addActionListener(new ActionListener()
  88                 {
  89                         public void actionPerformed(ActionEvent e)
  90                         {
  91                                 _dialog.dispose();
  92                         }
  93                 });
  94                 _okButton.addKeyListener(new KeyListener() {
  95                         public void keyPressed(KeyEvent e)
  96                         {
  97                                 if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {_dialog.dispose();}
  98                         }
  99                         public void keyTyped(KeyEvent e) {}
 100                         public void keyReleased(KeyEvent e) {}
 101                 });
 102                 okPanel.add(_okButton);
 103                 mainPanel.add(okPanel, BorderLayout.SOUTH);
 104                 return mainPanel;
 105         }
 106 }