ykbutton.java

一个类似 outlook 的工具栏

package yaokun.yuki.guangshi;

import javax.swing.JButton;
import javax.swing.SwingConstants;
import javax.swing.BorderFactory;
import javax.swing.border.Border;
import java.awt.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class YKButton extends JButton {
  static javax.swing.border.Border border = BorderFactory.createLineBorder(java.awt.Color.green,2);
 // 按钮构造函数
  public YKButton() {
    super();
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  public YKButton(javax.swing.Icon icon){
    super(icon);
  }

  public YKButton(String text,javax.swing.Icon icon){
    super(text,icon);
  }

  public YKButton(String text){
    super(text);
  }
  private void jbInit() throws Exception {
    this.setBorderPainted(true);  //使得边框可画
    this.setEnabled(true);
    this.setBorder(null);
    //this.setBorderPainted(false);
    this.setHorizontalTextPosition(SwingConstants.CENTER);
    this.addMouseListener(new YKButton_this_mouseAdapter(this));
  }

  //当鼠标进入按钮时，设定按钮边框并获得焦点
  void this_mouseEntered(MouseEvent e) {
    this.setBorder(border);
    this.setSelected(true);
    this.requestFocus(true);
    //this.scrollRectToVisible(true);
  }

  //当鼠标离开按钮时，取消按钮的边框
  void this_mouseExited(MouseEvent e) {
    this.setBorder(null);
  }

  //获得按钮被选择时的边框
  static public Border getSelectedfBorder(){
    return border;
  }

  //设置按钮被选择时的边框
  static public void setSelectedBorder(Border bor){
    border=bor;
  }

}

class YKButton_this_mouseAdapter extends java.awt.event.MouseAdapter {
  YKButton adaptee;

  YKButton_this_mouseAdapter(YKButton adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseEntered(MouseEvent e) {
    adaptee.this_mouseEntered(e);
  }
  public void mouseExited(MouseEvent e) {
    adaptee.this_mouseExited(e);
  }
}