📄 popupframe.html

📁 java编程思想第3版原代码分享是java编程思想一本好书,大家多多学习
💻 HTML
字号:
<html><head><title>Display page for Popup at www.BruceEckel.com</title></head>
<FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans" SIZE="-1">
<FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans"><H2>Popup.java</H2><hr></FONT>
<!--"CONVERTED_APPLET"-->
<!-- HTML CONVERTER -->
<OBJECT 
    classid = "clsid:CAFEEFAC-0014-0001-0001-ABCDEFFEDCBA"
    codebase = "http://java.sun.com/products/plugin/autodl/jinstall-1_4_1_01-windows-i586.cab#Version=1,4,1,1"
    WIDTH = "300" HEIGHT = "200" ALIGN = "baseline" >
    <PARAM NAME = CODE VALUE = "Popup.class" >
    <PARAM NAME = "type" VALUE = "application/x-java-applet;jpi-version=1.4.1_01">
    <PARAM NAME = "scriptable" VALUE = "false">

    <COMMENT>
	<EMBED 
            type = "application/x-java-applet;jpi-version=1.4.1_01" 
            CODE = "Popup.class"
            WIDTH = "300"
            HEIGHT = "200"
            ALIGN = "baseline"  
	    scriptable = false 
	    pluginspage = "http://java.sun.com/products/plugin/index.html#download">
	    <NOEMBED>
            
            </NOEMBED>
	</EMBED>
    </COMMENT>
</OBJECT>

<!--
<APPLET CODE = "Popup.class" WIDTH = "300" HEIGHT = "200" ALIGN = "baseline">


</APPLET>
-->


<!--"END_CONVERTED_APPLET"-->

<FONT SIZE="+3"><PRE><B>
//: c14:Popup.java
// Creating popup menus with Swing.
// &lt;applet code=Popup width=300 height=200&gt;&lt;/applet&gt;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import com.bruceeckel.swing.*;

public class Popup extends JApplet {
  private JPopupMenu popup = new JPopupMenu();
  private JTextField t = new JTextField(10);
  public void init() {
    Container cp = getContentPane();
    cp.setLayout(new FlowLayout());
    cp.add(t);
    ActionListener al = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        t.setText(((JMenuItem)e.getSource()).getText());
      }
    };
    JMenuItem m = new JMenuItem("Hither");
    m.addActionListener(al);
    popup.add(m);
    m = new JMenuItem("Yon");
    m.addActionListener(al);
    popup.add(m);
    m = new JMenuItem("Afar");
    m.addActionListener(al);
    popup.add(m);
    popup.addSeparator();
    m = new JMenuItem("Stay Here");
    m.addActionListener(al);
    popup.add(m);
    PopupListener pl = new PopupListener();
    addMouseListener(pl);
    t.addMouseListener(pl);
  }
  class PopupListener extends MouseAdapter {
    public void mousePressed(MouseEvent e) {
      maybeShowPopup(e);
    }
    public void mouseReleased(MouseEvent e) {
      maybeShowPopup(e);
    }
    private void maybeShowPopup(MouseEvent e) {
      if(e.isPopupTrigger())
        popup.show(((JApplet)e.getComponent())
          .getContentPane(), e.getX(), e.getY());
    }
  }
  public static void main(String[] args) {
    Console.run(new Popup(), 300, 200);
  }
} ///:~
</B></PRE></FONT>
</html>
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -