Java DefaultEditorKit.beepAction方法代碼示例

import javax.swing.text.DefaultEditorKit; //導入方法依賴的package包/類
public AWTextField (String text) {
      super();
      this.setHorizontalAlignment(SwingConstants.CENTER);
      this.setText(text);
      
      this.setFont(G.font);
   // Depending on font configuration, borders of letters could be slightly truncated. Not solved yet.
      this.setBackground(Color.WHITE); // Needed for Unix... should be enough to avoid that grey textfields,
      // but it doesn't work...
      this.setForeground(G.color);
      this.setHighlighter(null);

      this.addKeyListener(G.keyListener);
      this.addFocusListener(G.focusListener);
      this.addMouseListener(G.mouseListener);
      
      this.setFocusTraversalKeysEnabled(false);
      this.setRequestFocusEnabled(true);
      this.setBorder(G.myTextFieldBorder);
      // This is to remove cut, copy and paste default functionality and override it with our implementation.
      JTextComponent.KeyBinding[] newBindings = {
    new JTextComponent.KeyBinding(
      KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.CTRL_MASK),
      DefaultEditorKit.beepAction),
    new JTextComponent.KeyBinding(
      KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_MASK),
      DefaultEditorKit.beepAction),
    new JTextComponent.KeyBinding(
        KeyStroke.getKeyStroke(KeyEvent.VK_X, InputEvent.CTRL_MASK),
        DefaultEditorKit.beepAction)
  };              
Keymap k = this.getKeymap();
JTextComponent.loadKeymap(k, newBindings, this.getActions());
  }
 

import javax.swing.text.DefaultEditorKit; //導入方法依賴的package包/類
public MyTextField (String text) {
        super();
        this.setHorizontalAlignment(SwingConstants.CENTER);
        this.setText(text);
        this.setFont(G.font);
        this.setForeground(G.color);
        this.setHighlighter(null);
        // Depending on font configuration, borders of letters could be slightly truncated. Not solved yet.
        
        this.addKeyListener(G.keyListener);
        this.addFocusListener(G.focusListener);
        this.addMouseListener(G.mouseListener);
//        this.addMouseMotionListener(G.mouseMotionListener); // Commented for simplicity, may be further improved.
        
        this.setFocusTraversalKeysEnabled(false);
        this.setRequestFocusEnabled(true);
        this.setBorder(G.myTextFieldBorder);
        // This is to remove cut, copy and paste default functionality and override it with our implementation.
        JTextComponent.KeyBinding[] newBindings = {
		    new JTextComponent.KeyBinding(
		      KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.CTRL_MASK),
		      DefaultEditorKit.beepAction),
		    new JTextComponent.KeyBinding(
		      KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_MASK),
		      DefaultEditorKit.beepAction),
		    new JTextComponent.KeyBinding(
		        KeyStroke.getKeyStroke(KeyEvent.VK_X, InputEvent.CTRL_MASK),
		        DefaultEditorKit.beepAction)
		  };              
		Keymap k = this.getKeymap();
		JTextComponent.loadKeymap(k, newBindings, this.getActions());
    }
 

import javax.swing.text.DefaultEditorKit; //導入方法依賴的package包/類
public void testMakeKeyBindings() {
    Object[] binds = { "UP", DefaultEditorKit.beepAction, "DOWN",
            DefaultEditorKit.beginWordAction, "TAB", DefaultEditorKit.beginWordAction };
    JTextComponent.KeyBinding[] b = LookAndFeel.makeKeyBindings(binds);
    assertEquals(3, b.length);
    assertEquals(DefaultEditorKit.beepAction, b[0].actionName);
    assertEquals(DefaultEditorKit.beginWordAction, b[1].actionName);
}
 

import javax.swing.text.DefaultEditorKit; //導入方法依賴的package包/類
public void testMakeKeyBindingsFromErrorArray() {
    Object[] binds = { "UP", DefaultEditorKit.beepAction, "DOWN" };
    try {
        LookAndFeel.makeKeyBindings(binds);
        fail("shall throw ArrayIndexOutOfBoundsException");
    } catch (ArrayIndexOutOfBoundsException e) {
    }
}
 

import javax.swing.text.DefaultEditorKit; //導入方法依賴的package包/類
public void testLoadKeyBindings() {
    InputMap map = new InputMap();
    Object[] binds = { "SPACE", DefaultEditorKit.beepAction,
            KeyStroke.getKeyStroke("DOWN"), DefaultEditorKit.beginWordAction };
    try {
        LookAndFeel.loadKeyBindings(null, binds);
        fail("NullPointerException shall be thrown");
    } catch (NullPointerException e) {
    }
    LookAndFeel.loadKeyBindings(map, null);
    assertEquals(0, map.size());
    LookAndFeel.loadKeyBindings(map, binds);
    assertEquals(2, map.size());
}