JEditorPane_html.rar_html jeditorpane_jeditorpane html

import java.awt.BorderLayout; import java.awt.Cursor; import java.awt.Dimension; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.net.URL; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.ComboBoxModel; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JComboBox; import javax.swing.JEditorPane; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextField; import javax.swing.event.HyperlinkEvent; import javax.swing.event.HyperlinkListener; public class Browser extends JFrame { protected JEditorPane m_browser; protected MemComboBox m_locator = new MemComboBox(); public Browser() { super("HTML Browser"); setSize(500, 300); getContentPane().setLayout(new BorderLayout()); JPanel p = new JPanel(); p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS)); p.add(new JLabel("Address")); m_locator.load("addresses.dat"); BrowserListener lst = new BrowserListener(); m_locator.addActionListener(lst); MemComboAgent agent = new MemComboAgent(m_locator); p.add(m_locator); getContentPane().add(p, BorderLayout.NORTH); m_browser = new JEditorPane(); m_browser.setEditable(false); m_browser.addHyperlinkListener(lst); JScrollPane sp = new JScrollPane(); sp.getViewport().add(m_browser); getContentPane().add(sp, BorderLayout.CENTER); WindowListener wndCloser = new WindowAdapter() { public void windowClosing(WindowEvent e) { m_locator.save("addresses.dat"); System.exit(0); } }; addWindowListener(wndCloser); setVisible(true); m_locator.grabFocus(); } class BrowserListener implements ActionListener, HyperlinkListener { public void actionPerformed(ActionEvent evt) { String sUrl = (String) m_locator.getSelectedItem(); if (sUrl == null || sUrl.length() == 0 ) return; BrowserLoader loader = new BrowserLoader(sUrl); loader.start(); } public void hyperlinkUpdate(HyperlinkEvent e) { URL url = e.getURL(); if (url == null ) return; BrowserLoader loader = new BrowserLoader(url.toString()); loader.start(); } } class BrowserLoader extends Thread { protected String m_sUrl; public BrowserLoader(String sUrl) { m_sUrl = sUrl; } public void run() { setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); try { URL source = new URL(m_sUrl); m_browser.setPage(source); m_locator.add(m_sUrl); } catch (Exception e) { JOptionPane.showMessageDialog(Browser.this, "Error: " + e.toString(), "Warning", JOptionPane.WARNING_MESSAGE); } setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); } } public static void main(String argv[]) { new Browser(); } } class MemComboAgent extends KeyAdapter { protected JComboBox m_comboBox; protected JTextField m_editor; public MemComboAgent(JComboBox comboBox) { m_comboBox = comboBox; m_editor = (JTextField) comboBox.getEditor().getEditorComponent(); m_editor.addKeyListener(this); } public void keyReleased(KeyEvent e) { char ch = e.getKeyChar(); if (ch == KeyEvent.CHAR_UNDEFINED || Character.isISOControl(ch)) return; int pos = m_editor.getCaretPosition(); String str = m_editor.getText(); if (str.length() == 0) return; for (int k = 0; k < m_comboBox.getItemCount(); k++) { String item = m_comboBox.getItemAt(k).toString(); if (item.startsWith(str)) { m_editor.setText(item); m_editor.setCaretPosition(item.length()); m_editor.moveCaretPosition(pos); break; } } } } class MemComboBox extends JComboBox { public static final int MAX_MEM_LEN = 30; public MemComboBox() { super(); setEditable(true); } public void add(String item) { removeItem(item); insertItemAt(item, 0); setSelectedItem(item); if (getItemCount() > MAX_MEM_LEN) removeItemAt(getItemCount() - 1); } public void load(String fName) { try { if (getItemCount() > 0) removeAllItems(); File f = new File(fName); if (!f.exists()) return; FileInputStream fStream = new FileInputStream(f); ObjectInput stream = new ObjectInputStream(fStream); Object obj = stream.readObject(); if (obj instanceof ComboBoxModel) setModel((ComboBoxModel) obj); stream.close(); fStream.close(); } catch (Exception e) { System.err.println("Serialization error: " + e.toString()); } } public void save(String fName) { try { FileOutputStream fStream = new FileOutputStream(fName); ObjectOutput stream = new ObjectOutputStream(fStream); stream.writeObject(getModel()); stream.flush(); stream.close(); fStream.close(); } catch (Exception e) { System.err.println("Serialization error: " + e.toString()); } } }