?? webviewer.java
字號:
package webviewer;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.net.URL;
import java.io.*;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class WebViewer
extends JFrame {
JPanel contentPane;
BorderLayout borderLayout1 = new BorderLayout();
JTextField jTextField1 = new JTextField();
JScrollPane jScrollPane1 = new JScrollPane();
JEditorPane jEditorPane1 = new JEditorPane();
//Construct the frame
public WebViewer() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}
//Component initialization
private void jbInit() throws Exception {
contentPane = (JPanel)this.getContentPane();
contentPane.setLayout(borderLayout1);
this.setSize(new Dimension(349, 272));
this.setTitle("網頁瀏覽器");
jTextField1.setText("");
jTextField1.addKeyListener(new WebViewer_jTextField1_keyAdapter(this));
jEditorPane1.addHyperlinkListener(new
WebViewer_jEditorPane1_hyperlinkAdapter(this));
contentPane.add(jTextField1, BorderLayout.NORTH);
contentPane.add(jScrollPane1, BorderLayout.CENTER);
jScrollPane1.getViewport().add(jEditorPane1, null);
}
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
void jEditorPane1_hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() ==
javax.swing.event.HyperlinkEvent.EventType.ACTIVATED) {
try {
URL url = e.getURL(); //獲得地址
jEditorPane1.setPage(url); //重新連接
jTextField1.setText(url.toString());
}
catch (IOException io) {
jTextField1.setText("錯誤:無法打開!");
}
}
}
void jTextField1_keyPressed(KeyEvent e) {
if (e.getKeyChar() == KeyEvent.VK_ENTER) {
String str = jTextField1.getText();
String substr = str.substring(0, 7); //獲取字串
String http = "http://";
if (!substr.equals(http)) { //如果字串不等于“"http://"則將"http://"字符串加入到str開頭
str = http + str;
}
try {
jEditorPane1.setPage(str); //顯示網頁內容
}
catch (IOException err) {
jEditorPane1.setText("錯誤" + err);
}
}
}
}
class WebViewer_jEditorPane1_hyperlinkAdapter
implements javax.swing.event.HyperlinkListener {
WebViewer adaptee;
WebViewer_jEditorPane1_hyperlinkAdapter(WebViewer adaptee) {
this.adaptee = adaptee;
}
public void hyperlinkUpdate(HyperlinkEvent e) {
adaptee.jEditorPane1_hyperlinkUpdate(e);
}
}
class WebViewer_jTextField1_keyAdapter
extends java.awt.event.KeyAdapter {
WebViewer adaptee;
WebViewer_jTextField1_keyAdapter(WebViewer adaptee) {
this.adaptee = adaptee;
}
public void keyPressed(KeyEvent e) {
adaptee.jTextField1_keyPressed(e);
}
}
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