comptitledpane.java

自制java的swing组件

/* (swing1.1.1) */
package zb.swing;

import java.awt.*;
import javax.swing.*;

import zb.swing.border.*;

/**
 * @version 1.0 08/12/99
 */
public class CompTitledPane
    extends JPanel {
  protected CompTitledBorder border;
  protected JComponent component;
  protected JPanel panel;
  protected boolean transmittingAllowed;
  protected StateTransmitter transmitter;

  public CompTitledPane() {
    this(new JLabel("Title"));
  }

  public CompTitledPane(JComponent component) {
    this.component = component;
    border = new CompTitledBorder(component);
    setBorder(border);
    panel = new JPanel();
    setLayout(null);
    add(component);
    add(panel);
    transmittingAllowed = false;
    transmitter = null;
  }

  public JComponent getTitleComponent() {
    return component;
  }

  public void setTitleComponent(JComponent newComponent) {
    remove(component);
    add(newComponent);
    border.setTitleComponent(newComponent);
    component = newComponent;
  }

  public JPanel getContentPane() {
    return panel;
  }

  public void doLayout() {
    Insets insets = getInsets();
    Rectangle rect = getBounds();
    rect.x = 0;
    rect.y = 0;

    Rectangle compR = border.getComponentRect(rect, insets);
    component.setBounds(compR);
    rect.x += insets.left;
    rect.y += insets.top;
    rect.width -= insets.left + insets.right;
    rect.height -= insets.top + insets.bottom;
    panel.setBounds(rect);
  }

  public void setTransmittingAllowed(boolean enable) {
    transmittingAllowed = enable;
  }

  public boolean getTransmittingAllowed() {
    return transmittingAllowed;
  }

  public void setTransmitter(StateTransmitter transmitter) {
    this.transmitter = transmitter;
  }

  public StateTransmitter getTransmitter() {
    return transmitter;
  }

  public void setEnabled(boolean enable) {
    super.setEnabled(enable);
    if (transmittingAllowed && transmitter != null) {
      transmitter.setChildrenEnabled(enable);
    }
  }

}