oaahelpdialog.java

SRI international 发布的OAA框架软件

/* 
 * @(#)OaaHelpDialog.java	08/1999 
 * 
 * The contents of this file are subject to the OAA Community Research 
 * License Version 2.0 (the "License"); you may not use this file except 
 * in compliance with the License. You may obtain a copy of the License 
 * at http://www.ai.sri.com/~oaa/.  Software distributed under the License 
 * is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either 
 * express or implied. See the License for the specific language governing 
 * rights and limitations under the License.  Portions of the software are 
 * Copyright (c) SRI International, 1999.  All rights reserved.  
 * "OAA" is a registered trademark, and "Open Agent Architecture" is a 
 * trademark, of SRI International, a California nonprofit public benefit 
 * corporation.
 */ 

/* 
* file:           OaaHelpDialog.java 
* purpose:        HTML Viewer for Agent's related help files
*/ 
 
package com.sri.oaa2.guiutils; 
 
import java.lang.String; 
import java.net.*; 
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
 
/**
 * This class provides a dialog box containing a light HTML browser,
 * to display help files for a given agent. <br>
 * The brower used is the "Ice browser" from ice.
 * @see         com.sri.oaa2.guiutils.OaaConnectDialog
 * @see         com.sri.oaa2.guiutils.OaaAboutDialog
 */
public class OaaHelpDialog extends JFrame implements
			ActionListener,
			KeyListener {
  JToolBar tb = new JToolBar();
  JTextField txtStatus = new JTextField("");
  OaaBrowser pnlBrowser = new OaaBrowser();
  //JEditorPane pnlBrowser = new JEditorPane();

/****************************************************************************
 * Constructor.
 * @param url The local file or URL pointing to the help file
 ****************************************************************************/
  public OaaHelpDialog(URL url) {
    try  {
      jbInit(url);
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit(URL url) throws Exception {
    this.setSize(new Dimension(460, 350));

    // Load the URL file
    try {
       if (url != null) {
         System.out.println("Open " + url);
         //pnlBrowser.setdocURL(url.toString());         
         //pnlBrowser.setPage(url);
         pnlBrowser.setURL(url);
       }
    }
    catch (Exception e) {
      System.out.println("Can not open " + url);
    }

    addButton("Back");
    addButton("Forward");
    tb.addSeparator();
    addButton("Reload");

    JPanel mainPanel = new JPanel();

    mainPanel.setLayout(new BorderLayout());
    mainPanel.add(pnlBrowser, BorderLayout.CENTER);
    mainPanel.add(tb, BorderLayout.NORTH);

		
		getContentPane().add(mainPanel);
    setTitle("Help...");
    setVisible(true);
  }


  /**
   *
   */
  private void addButton(String btnName)
  {
    JButton b;

    b = new JButton(new ImageIcon(getClass().getResource("images/" + btnName + ".gif")));
    b.setActionCommand(btnName);
	  b.addActionListener(this);
    b.setMargin(new Insets(1,1,1,1));
    b.setFocusPainted(false);
    b.setToolTipText(btnName);
    tb.add(b);
  }

  private boolean setHTMLPage(String inUrl) {
    //pnlBrowser.setdocURL(inUrl);
  	return true;
  }

  //-------------KeyListener interface
  public void keyTyped(KeyEvent evt) {}
  public void keyPressed(KeyEvent evt) {}

  public void keyReleased(KeyEvent evt)
  {
    if (evt.getKeyChar() == KeyEvent.VK_ENTER)
    // Go to net adr typed in the textfield at the south of the frame
       setHTMLPage(txtStatus.getText());
  }


  //-------------ActionListener interface
  public void actionPerformed(ActionEvent e)
  {
    if (e.getActionCommand().equals("Back"))
       pnlBrowser.back();

    else if (e.getActionCommand().equals("Forward"))
       pnlBrowser.forward();
/*
else if (e.getActionCommand().equals("Reload"))
       pnlBrowser.reload();
*/       
  }
				
}