コード例 #1
0
  /*
   * Gets the user choice for font, style and size and redraws the text
   *     accordingly.
   */
  public void setSampleFont() {
    // Get the font name from the JComboBox
    fontName = (String) facenameCombo.getSelectedItem();

    sampleField.setText(textField.getText());

    // Get the font style from the JCheckBoxes
    fontStyle = 0;
    if (italicCheckBox.isSelected()) fontStyle += Font.ITALIC;
    if (boldCheckBox.isSelected()) fontStyle += Font.BOLD;

    // Get the font size
    fontSize = 0;

    fontSize = Integer.parseInt((String) sizeCombo.getSelectedItem());

    // THE FOLLOWING IS NO LONGER NEEDED
    //            if(smallButton.isSelected())
    //                  fontSize=SMALL;
    //            else if(mediumButton.isSelected())
    //                  fontSize=MEDIUM;
    //            else if(largeButton.isSelected())
    //                  fontSize=LARGE;

    // Set the font of the text field
    sampleField.setFont(new Font(fontName, fontStyle, fontSize));
    sampleField.setForeground(fontColor);
    sampleField.repaint();

    pack();
  } // end setSampleFont method
コード例 #2
0
  /*
   * The following method creates the textfield to change the text
   *     and the button to update the label.
   * postcondition: returns the panel containing the textfield and button.
   */
  public JPanel createUpdateButton() {
    JLabel textLabel = new JLabel(new String("Change text to: "));

    textField = new JTextField(new String("Big Java"), 20);
    textField.setFont(new Font(("Times"), Font.PLAIN, 12));

    update = new JButton(new String("Update"));
    update.setDefaultCapable(true);

    // This class is used to create a special ActionListener for this menu item
    class ButtonListener implements ActionListener {
      /*
       * This method is called when the update button is clicked
       */
      public void actionPerformed(ActionEvent event) {
        // Call the method to change the text on the screen.
        setSampleFont();
      } // end actionPerformed method
    }
    ActionListener listener = new ButtonListener();
    update.addActionListener(listener);

    JPanel panel = new JPanel();

    panel.add(textLabel);
    panel.add(textField);
    panel.add(update);

    return panel;
  } // end createUpdateButton method
コード例 #3
0
  /*
   * The following method resets the window to its original status.
   */
  public void init() {
    sampleField.setText(new String("Big Java"));
    textField.setText(new String("Big Java"));

    facenameCombo.setSelectedIndex(0);
    sizeCombo.setSelectedIndex(2);

    italicCheckBox.setSelected(false);
    boldCheckBox.setSelected(false);

    //            largeButton.setSelected(true);

    fontColor = Color.BLACK;

    setSampleFont();
  } // end init method