用JDIC写浏览器

来源：互联网发布：ubuntu删除virtualbox 编辑：程序博客网时间：2024/05/23 00:33

转载自：http://blog.csdn.net/youyigong/article/details/7081926

package com.waysame;import java.awt.BorderLayout;import java.awt.Container;import java.awt.Dimension;import java.awt.GridLayout;import java.awt.Toolkit;import java.awt.event.ActionEvent;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.File;import java.net.MalformedURLException;import java.net.URL;import javax.swing.BorderFactory;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.JToolBar;import javax.swing.SwingConstants;import javax.swing.ToolTipManager;import javax.swing.UIManager;import javax.swing.border.EmptyBorder;import javax.swing.border.EtchedBorder;import org.jdesktop.jdic.browser.WebBrowser;import org.jdesktop.jdic.browser.WebBrowserEvent;import org.jdesktop.jdic.browser.WebBrowserListener;public class WaySameBrowser extends JPanel{public static ImageIcon browseIcon = new ImageIcon(        WaySameBrowser.class.getResource("images/Right.gif"));BorderLayout borderLayout1 = new BorderLayout();JToolBar jBrowserToolBar = new JToolBar();JButton jStopButton = new JButton("停止",            new ImageIcon(getClass().getResource("images/Stop.png")));JButton jRefreshButton = new JButton("刷新",            new ImageIcon(getClass().getResource("images/Reload.png")));JButton jForwardButton = new JButton("前进",            new ImageIcon(getClass().getResource("images/Forward.gif")));JButton jBackButton = new JButton("后退",            new ImageIcon(getClass().getResource("images/Back.gif")));JPanel jAddressPanel = new JPanel();JLabel jAddressLabel = new JLabel();JTextField jAddressTextField = new JTextField();JButton jGoButton = new JButton();JPanel jAddrToolBarPanel = new JPanel();MyStatusBar statusBar = new MyStatusBar();JPanel jBrowserPanel = new JPanel();WebBrowser webBrowser;    public WaySameBrowser() {        try {            jbInit();        } catch (Exception e) {            e.printStackTrace();        }    }    private void jbInit() {    this.setLayout(borderLayout1);        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();        this.setPreferredSize(new Dimension(screenSize.width * 9 / 10,                screenSize.height * 8 / 10));        ToolTipManager.sharedInstance().setLightWeightPopupEnabled(false);        jAddressLabel.setBorder(BorderFactory.createEmptyBorder(0, 4, 0, 4));        jAddressLabel.setToolTipText("");        jAddressLabel.setText(" 地址: ");        jGoButton.setBorder(BorderFactory.createCompoundBorder(new EmptyBorder(0,                2, 0, 2), new EtchedBorder()));        jGoButton.setMaximumSize(new Dimension(60, 25));        jGoButton.setMinimumSize(new Dimension(60, 25));        jGoButton.setPreferredSize(new Dimension(60, 25));        jGoButton.setToolTipText("Load the given URL");        jGoButton.setIcon(browseIcon);        jGoButton.setText("GO");        jGoButton.addActionListener(new Browser_jGoButton_actionAdapter(this));        jAddressPanel.setLayout(new BorderLayout());        jAddressTextField.addActionListener(new Browser_jAddressTextField_actionAdapter(this));        jBackButton.setToolTipText("Go back one page");        jBackButton.setHorizontalTextPosition(SwingConstants.TRAILING);        jBackButton.setEnabled(false);        jBackButton.setMaximumSize(new Dimension(75, 27));        jBackButton.setPreferredSize(new Dimension(75, 27));        jBackButton.addActionListener(new Browser_jBackButton_actionAdapter(this));        jForwardButton.setToolTipText("Go forward one page");        jForwardButton.setHorizontalTextPosition(SwingConstants.TRAILING);        jForwardButton.setEnabled(false);        jForwardButton.addActionListener(new Browser_jForwardButton_actionAdapter(this));        jRefreshButton.setToolTipText("Reload current page");        jRefreshButton.setEnabled(true);        jRefreshButton.setMaximumSize(new Dimension(75, 27));        jRefreshButton.setMinimumSize(new Dimension(75, 27));        jRefreshButton.setPreferredSize(new Dimension(75, 27));        jRefreshButton.addActionListener(new Browser_jRefreshButton_actionAdapter(this));        jStopButton.setToolTipText("Stop loading this page");        jStopButton.setVerifyInputWhenFocusTarget(true);        jStopButton.setText("停止");        jStopButton.setEnabled(true);        jStopButton.setMaximumSize(new Dimension(75, 27));        jStopButton.setMinimumSize(new Dimension(75, 27));        jStopButton.setPreferredSize(new Dimension(75, 27));        jStopButton.addActionListener(new Browser_jStopButton_actionAdapter(this));        jAddressPanel.add(jAddressLabel, BorderLayout.WEST);        jAddressPanel.add(jAddressTextField, BorderLayout.CENTER);        jAddressPanel.add(jGoButton, BorderLayout.EAST);        jAddressPanel.setBorder(BorderFactory.createCompoundBorder(            BorderFactory.createEtchedBorder(),            BorderFactory.createEmptyBorder(2, 0, 2, 0)));        jBrowserToolBar.setFloatable(false);        jBrowserToolBar.add(jBackButton, null);        jBrowserToolBar.add(jForwardButton, null);        jBrowserToolBar.addSeparator();        jBrowserToolBar.add(jRefreshButton, null);        jBrowserToolBar.add(jStopButton, null);        jBrowserToolBar.setBorder(BorderFactory.createCompoundBorder(            BorderFactory.createEtchedBorder(),            BorderFactory.createEmptyBorder(2, 2, 2, 0)));        jAddrToolBarPanel.setLayout(new BorderLayout());        jAddrToolBarPanel.add(jAddressPanel, BorderLayout.CENTER);        jAddrToolBarPanel.add(jBrowserToolBar, BorderLayout.WEST);        jAddrToolBarPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 2, 0));        statusBar.setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));        statusBar.lblDesc.setText("同道中人 - 浏览器");        try {            webBrowser = new WebBrowser(new URL("http://www.baidu.com"));            // Print out debug messages in the command line.            //webBrowser.setDebug(true);        } catch (MalformedURLException e) {            System.out.println(e.getMessage());            return;        }        webBrowser.addWebBrowserListener(new WebBrowserListener(){        //文件加载完成时public void documentCompleted(WebBrowserEvent arg0) {updateStatusInfo("文件加载完成.");}public void downloadCompleted(WebBrowserEvent arg0) {jBackButton.setEnabled(webBrowser.isBackEnabled());jForwardButton.setEnabled(webBrowser.isForwardEnabled());updateStatusInfo("下载加载完成.");URL currentURL = webBrowser.getURL();if(currentURL != null){jAddressTextField.setText(currentURL.toString());}}public void downloadError(WebBrowserEvent arg0) {updateStatusInfo("加载错误.");}public void downloadProgress(WebBrowserEvent arg0) {updateStatusInfo("加载进程中.");}//下载操作开始时public void downloadStarted(WebBrowserEvent arg0) {updateStatusInfo("加载开始.");}public void initializationCompleted(WebBrowserEvent arg0) {updateStatusInfo("初始化完成后.");}public void statusTextChange(WebBrowserEvent arg0) {updateStatusInfo("改变状态栏文本.");}public void titleChange(WebBrowserEvent arg0) {updateStatusInfo("文档标题改变.");}                });        jBrowserPanel.setLayout(new BorderLayout());        jBrowserPanel.add(webBrowser, BorderLayout.CENTER);        this.add(jAddrToolBarPanel, BorderLayout.NORTH);        this.add(statusBar, BorderLayout.SOUTH);        this.add(jBrowserPanel, BorderLayout.CENTER);}    void loadURL() {        String inputValue = jAddressTextField.getText();        if (inputValue == null) {            JOptionPane.showMessageDialog(this, "The given URL is NULL:",                    "Warning", JOptionPane.WARNING_MESSAGE);        } else {            // Check if the text value is a URL string.            URL curUrl = null;            try {                // Check if the input string is a local path by checking if it starts                // with a driver name(on Windows) or root path(on Unix).                               File[] roots = File.listRoots();                for (int i = 0; i < roots.length; i++) {                    if (inputValue.toLowerCase().startsWith(roots[i].toString().toLowerCase())) {                        File curLocalFile = new File(inputValue);                        curUrl = curLocalFile.toURL();                        break;                    }                }                if (curUrl == null) {                    // Check if the text value is a valid URL.                    try {                        curUrl = new URL(inputValue);                    } catch (MalformedURLException e) {                            if (inputValue.toLowerCase().startsWith("ftp.")) {                                curUrl = new URL("ftp://" + inputValue);                            } else if (inputValue.toLowerCase().startsWith("gopher.")) {                                curUrl = new URL("gopher://" + inputValue);                            } else {                                curUrl = new URL("http://" + inputValue);                            }                    }                }                                            webBrowser.setURL(curUrl);                // Update the address text field, statusbar, and toolbar info.                updateStatusInfo("Loading " + curUrl.toString() + " ......");            } catch (MalformedURLException mue) {                JOptionPane.showMessageDialog(this,                    "The given URL is not valid:" + inputValue, "Warning",                    JOptionPane.WARNING_MESSAGE);            }                        }    }    void jGoButton_actionPerformed(ActionEvent e) {        loadURL();    }    void jAddressTextField_actionPerformed(ActionEvent e) {        loadURL();    }    void jBackButton_actionPerformed(ActionEvent e) {        webBrowser.back();    }    void jForwardButton_actionPerformed(ActionEvent e) {        webBrowser.forward();    }    void jRefreshButton_actionPerformed(ActionEvent e) {        webBrowser.refresh();    }    void jStopButton_actionPerformed(ActionEvent e) {        webBrowser.stop();    }    public static void main(String[] args) {        JFrame frame = new JFrame("同道中人 - 浏览器");        Container contentPane = frame.getContentPane();        contentPane.setLayout(new GridLayout(1, 1));        contentPane.add(new WaySameBrowser());        frame.addWindowListener(new WindowAdapter() {            public void windowClosing(WindowEvent e) {                System.exit(0);            }        });        frame.pack();        frame.setVisible(true);    }void updateStatusInfo(String statusMessage) {statusBar.lblStatus.setText(statusMessage);}}class Browser_jAddressTextField_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jAddressTextField_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jAddressTextField_actionPerformed(e);    }}class Browser_jBackButton_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jBackButton_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jBackButton_actionPerformed(e);    }}class Browser_jForwardButton_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jForwardButton_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jForwardButton_actionPerformed(e);    }}class Browser_jRefreshButton_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jRefreshButton_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jRefreshButton_actionPerformed(e);    }}class Browser_jStopButton_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jStopButton_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jStopButton_actionPerformed(e);    }}class Browser_jGoButton_actionAdapter implements java.awt.event.ActionListener {WaySameBrowser adaptee;    Browser_jGoButton_actionAdapter(WaySameBrowser adaptee) {        this.adaptee = adaptee;    }    public void actionPerformed(ActionEvent e) {        adaptee.jGoButton_actionPerformed(e);    }}

package com.waysame;import java.awt.Dimension;import java.awt.Toolkit;import javax.swing.BorderFactory;import javax.swing.Box;import javax.swing.BoxLayout;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.SwingConstants;public class MyStatusBar extends Box{public JLabel lblStatus;public JLabel lblDesc;public MyStatusBar(){super(BoxLayout.X_AXIS);Toolkit kit = Toolkit.getDefaultToolkit();        Dimension screenSize = kit.getScreenSize();        lblStatus = new JLabel("状态:", SwingConstants.LEADING);        lblStatus.setPreferredSize(new Dimension((int) (0.7 * screenSize.width),22));        lblStatus.setBorder(BorderFactory.createLoweredBevelBorder());        this.add(lblStatus, null);        lblDesc = new JLabel("描述:", SwingConstants.LEADING);        lblDesc.setPreferredSize(new Dimension((int) (0.3 * screenSize.width),22));        lblDesc.setBorder(BorderFactory.createLoweredBevelBorder());        this.add(lblDesc, null);}}