javax.swing.JPanel#doLayout ( )源码实例Demo

/**
 * Returns button with resource amounts and given text. If resources is empty then returns button
 * with just the text.
 */
public JButton getResourcesButton(final ResourceCollection resources, final String text) {
  if (resources.isEmpty()) {
    return new JButton(text);
  }
  final JPanel panel = getResourcesPanel(resources);
  panel.setOpaque(false);
  panel.add(new JLabel(text));
  panel.setSize(panel.getPreferredSize());
  panel.doLayout();
  final BufferedImage image =
      new BufferedImage(panel.getWidth(), panel.getHeight(), BufferedImage.TYPE_INT_ARGB);
  final Graphics2D g = image.createGraphics();
  panel.paint(g);
  g.dispose();
  return new JButton(new ImageIcon(image));
}
 

public static Component createRowEditor(Row r) {
    JPanel rowEditor = new JPanel();
    rowEditor.setSize(800, 24);
    rowEditor.setLayout(new BoxLayout(rowEditor, BoxLayout.X_AXIS));
    rowEditor.setBackground(Theme.background.color);
    rowEditor.setOpaque(true);
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A1.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A1.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A1.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B1.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B1.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B1.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C1.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C1.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C1.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "ay1noisePeriod", 4));
    rowEditor.add(EditableLabel.generateTextLabel(r, "ay1envelopePeriod", 4));
    rowEditor.add(generateEnvelopeEditor(r.ay1envelopeShape, r, "ay2envelopeShape"));

    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A2.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A2.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.A2.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B2.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B2.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.B2.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C2.tone", 3, toneListner));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C2.volume", 1));
    rowEditor.add(EditableLabel.generateTextLabel(r, "channels.C2.commands", 3));
    rowEditor.add(EditableLabel.generateTextLabel(r, "ay2noisePeriod", 4));
    rowEditor.add(EditableLabel.generateTextLabel(r, "ay2envelopePeriod", 4));
    rowEditor.add(generateEnvelopeEditor(r.ay2envelopeShape, r, "ay2envelopeShape"));

    rowEditor.add(EditableLabel.generateTextLabel(r, "globalCommands", 6));
    rowEditor.doLayout();
    return rowEditor;
}