frame1.java

jbuilder2005

package checkboxgrouptest;

import java.awt.*;
import javax.swing.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

public class Frame1
    extends JFrame {
  JPanel contentPane;
  Label label1 = new Label();
  Checkbox checkbox1 = new Checkbox();
  Checkbox checkbox2 = new Checkbox();
  Checkbox checkbox3 = new Checkbox();
  CheckboxGroup checkboxGroup1 = new CheckboxGroup();
  public Frame1() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(null);
    setSize(new Dimension(250, 100));
    setTitle("设置对齐方式");
    label1.setBackground(Color.white);
    label1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 16));
    label1.setText("我喜欢Java");
    label1.setBounds(new Rectangle(23, 9, 201, 26));
    checkbox1.setCheckboxGroup(checkboxGroup1);
    checkbox1.setLabel("左对齐");
    checkbox1.setState(true);
    checkbox1.setBounds(new Rectangle(20, 40, 62, 25));
    checkbox1.addItemListener(new Frame1_checkbox1_itemAdapter(this));
    checkbox2.setCheckboxGroup(checkboxGroup1);
    checkbox2.setLabel("居中");
    checkbox2.setBounds(new Rectangle(93, 40, 54, 25));
    checkbox2.addItemListener(new Frame1_checkbox2_itemAdapter(this));
    checkbox3.setCheckboxGroup(checkboxGroup1);
    checkbox3.setLabel("右对齐");
    checkbox3.setBounds(new Rectangle(158, 39, 66, 25));
    checkbox3.addItemListener(new Frame1_checkbox3_itemAdapter(this));
    contentPane.add(label1);
    contentPane.add(checkbox3);
    contentPane.add(checkbox2);
    contentPane.add(checkbox1);
  }

  public void checkbox1_itemStateChanged(ItemEvent e) {
    label1.setAlignment(label1.LEFT);
  }

  public void checkbox2_itemStateChanged(ItemEvent e) {
    label1.setAlignment(label1.CENTER);
  }

  public void checkbox3_itemStateChanged(ItemEvent e) {
    label1.setAlignment(label1.RIGHT);
  }
}

class Frame1_checkbox3_itemAdapter
    implements ItemListener {
  private Frame1 adaptee;
  Frame1_checkbox3_itemAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void itemStateChanged(ItemEvent e) {
    adaptee.checkbox3_itemStateChanged(e);
  }
}

class Frame1_checkbox2_itemAdapter
    implements ItemListener {
  private Frame1 adaptee;
  Frame1_checkbox2_itemAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void itemStateChanged(ItemEvent e) {
    adaptee.checkbox2_itemStateChanged(e);
  }
}

class Frame1_checkbox1_itemAdapter
    implements ItemListener {
  private Frame1 adaptee;
  Frame1_checkbox1_itemAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void itemStateChanged(ItemEvent e) {
    adaptee.checkbox1_itemStateChanged(e);
  }
}