bsdiscowindow.java

一款即时通讯软件

package edu.ou.kmi.buddyspace.plugins.disco.gui;

/*
 * BSDiscoWindow.java
 *
 * Project: BuddySpace
 * (C) Copyright Knowledge Media Institute 2003
 *
 *
 * Created on 13 October 2003, 14:05
 */

import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.net.*;

import org.jabber.jabberbeans.*;
import org.jabber.jabberbeans.Extension.*;
import org.jabber.jabberbeans.util.*;

import edu.ou.kmi.buddyspace.core.*;
import edu.ou.kmi.buddyspace.gui.*;
import edu.ou.kmi.buddyspace.utils.*;
import edu.ou.kmi.buddyspace.plugins.disco.core.*;
import edu.ou.kmi.buddyspace.plugins.disco.xml.*;

/**
 * <code>BSDiscoWindow</code> is the disco GUI.
 *
 * @author  Jiri Komzak, Knowledge Media Institute, Open University, United Kingdom
 */
public class BSDiscoWindow extends DockableWindow 
                            implements ActionListener, BSDiscoListener,
                                       MouseListener, HyperlinkListener, 
                                       KeyListener {
                          
    private BSDiscoBean discoBean = null;
    private String jidStr;
    private String nodeStr;
    private PacketID itemsServedID = new PacketID(null);
    private PacketID infoServedID = new PacketID(null);
    private Vector history = new Vector();
    private int currHistoryNum = -1;
    
    private JPanel mainPanel;
    
    JPanel buttonPanel;
    JTextField progressInfo;
    JButton browseButton;
    JButton closeButton;
    JButton dockButton;
    JButton bookmarkButton;
    JPanel centralPanel;
    JScrollPane browseScrollPane;
    //JScrollPane thisItemScrollPane;
    JScrollPane selectedItemScrollPane;
    //BSBrowseItemView thisItemView;
    BSDiscoItemView selectedItemView;
    JList browseList;
    JTextField addressTextField;
    JTextField nodeTextField;
    JSplitPane mainSplitPane;
    JSplitPane rightSplitPane;
    JPanel addressPanel;
    JButton backButton;
    JButton forwardButton;
    
    /** Constructor */
    BSDiscoWindow(Window parent, BSDiscoWinManager winMan, String ID,
                   String title, String jidStr, String nodeStr, Image icon,
                   BSDiscoBean discoBean, boolean docked) {
                   
        super(ID, title, icon, new Dimension(450, 400), docked, winMan);
        
        this.jidStr = jidStr;
        this.nodeStr = nodeStr;
        
        this.discoBean = discoBean;
        if (discoBean != null)
            discoBean.addDiscoListener(this);
        
        initComponents();
        
        if (discoBean != null && jidStr != null)
            discover(jidStr, nodeStr);
    }
    
    /** Inits GUI components */
    private void initComponents() {
        mainPanel = new JPanel(new BorderLayout());
        
        //*** button panel ***
        buttonPanel = new JPanel();
        
        progressInfo = new JTextField("", 20);
        progressInfo.setEditable(false);
        buttonPanel.add(progressInfo);
        
        closeButton = new JButton();
        closeButton.setText("Close");
        closeButton.addActionListener(this);
        buttonPanel.add(closeButton);
        
        JPanel checkBoxesPanel = new JPanel();
        Icon icon = new ImageIcon(ClassLoader.getSystemResource(!docked?
                                "images/dock.gif" : "images/float.gif"));
        dockButton = new JButton(icon);
        dockButton.setToolTipText(docked? "Float" : "Dock");
        dockButton.addActionListener(this);
        checkBoxesPanel.add(dockButton);
        if (!OSVersion.isJava1Point4orHigher())
            dockButton.setEnabled(false);
        icon = new ImageIcon(ClassLoader.getSystemResource("images/bookmark.gif"));
        bookmarkButton = new JButton(icon);
        bookmarkButton.setToolTipText("Add bookmark");
        bookmarkButton.addActionListener(this);
        checkBoxesPanel.add(bookmarkButton);
        
        browseList = new JList();
        browseList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        browseList.setCellRenderer(new BSDiscoListCellRenderer());
        browseList.addMouseListener(this);
        browseList.addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                //Ignore extra messages.
                if (e.getValueIsAdjusting()) return;
                
                /*DiscoItem di = (DiscoItem) browseList.getSelectedValue();
                discoverInfoFor(di);*/
            }
        });
        browseScrollPane = new JScrollPane(browseList);
        browseScrollPane.setBorder(new TitledBorder("Items in node"));
        
        GridBagConstraints gbc;
        addressPanel = new JPanel(new GridBagLayout());
        // jid
        JLabel addressLabel = new JLabel("JID:");
        gbc = new GridBagConstraints();
        gbc.gridx = 0; gbc.gridy = 0;
        addressPanel.add(addressLabel, gbc);
        addressTextField = new JTextField();
        addressTextField.addKeyListener(this);
        gbc = new GridBagConstraints();
        gbc.gridx = 1; gbc.gridy = 0; gbc.weightx = 0.5;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addressPanel.add(addressTextField, gbc);
        // node
        JLabel nodeLabel = new JLabel("Node:");
        gbc = new GridBagConstraints();
        gbc.gridx = 0; gbc.gridy = 1;
        addressPanel.add(nodeLabel, gbc);
        nodeTextField = new JTextField();
        nodeTextField.addKeyListener(this);
        gbc = new GridBagConstraints();
        gbc.gridx = 1; gbc.gridy = 1; gbc.weightx = 0.5;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        addressPanel.add(nodeTextField, gbc);
        // buttons
        browseButton = new JButton("Browse");
        browseButton.addActionListener(this);
        gbc = new GridBagConstraints();
        gbc.gridx = 3; gbc.gridy = 0; gbc.gridheight = 2;
         gbc.anchor = GridBagConstraints.CENTER;
        addressPanel.add(browseButton, gbc);
        backButton = new JButton("<-");
        backButton.addActionListener(this);
        gbc = new GridBagConstraints();
        gbc.gridx = 4; gbc.gridy = 0; gbc.gridheight = 2;
         gbc.anchor = GridBagConstraints.CENTER;
        addressPanel.add(backButton, gbc);
        forwardButton = new JButton("->");
        forwardButton.addActionListener(this);
        gbc = new GridBagConstraints();
        gbc.gridx = 5; gbc.gridy = 0; gbc.gridheight = 2;
        gbc.anchor = GridBagConstraints.CENTER;
        addressPanel.add(forwardButton, gbc);
        
        centralPanel = new JPanel(new BorderLayout());
        centralPanel.add(addressPanel, BorderLayout.NORTH);
        
        /*thisItemView = new BSBrowseItemView();
        thisItemView.addHyperlinkListener(this);
        thisItemScrollPane = new JScrollPane(thisItemView);
        thisItemScrollPane.setBorder(new TitledBorder("Item details"));*/
        selectedItemView = new BSDiscoItemView();
        selectedItemView.addHyperlinkListener(this);
        selectedItemScrollPane = new JScrollPane(selectedItemView);
        selectedItemScrollPane.setBorder(new TitledBorder("Node details"));
        
        /*rightSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, browseScrollPane, selectedItemScrollPane);
        rightSplitPane.setDividerLocation(150);*/
        //mainSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, thisItemScrollPane, rightSplitPane);
        mainSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, browseScrollPane, selectedItemScrollPane);
        mainSplitPane.setDividerLocation(200);
        centralPanel.add(mainSplitPane, BorderLayout.CENTER);
        
        mainPanel.add(checkBoxesPanel, BorderLayout.NORTH);
        mainPanel.add(centralPanel, BorderLayout.CENTER);
        mainPanel.add(buttonPanel, BorderLayout.SOUTH);
        
        setLayout(new BorderLayout());
        add(mainPanel, BorderLayout.CENTER);
        
        backButton.setEnabled(false);
        forwardButton.setEnabled(false);
    }
    
    /** Handles actions from GUI controls */
    public void actionPerformed(ActionEvent evt) {
        Object source = evt.getSource();
        // close
        if (source == closeButton) {
            winMan.closeWindow(this);
        }
        // send message
        else if (source == browseButton) {
            jidStr = addressTextField.getText();
            nodeStr = nodeTextField.getText();
            if ("".equals(nodeStr)) nodeStr = null;
            discover(jidStr, nodeStr);
        }
        else if (evt.getSource() == dockButton) {
            if (winMan != null) {
                winMan.setWindowDocked(this, !docked, true);
                Icon icon = new ImageIcon(ClassLoader.getSystemResource(!docked?
                                "images/dock.gif" : "images/float.gif"));
                dockButton.setIcon(icon);
                dockButton.setToolTipText(docked? "Float" : "Dock");
                winMan.selectWindow(this);
            }
        }
        else if (evt.getSource() == backButton) {
            if (currHistoryNum > 0) {
                discoverHistory(currHistoryNum-1);
            }
        }
        else if (evt.getSource() == forwardButton) {
            if (history.size()-1 > currHistoryNum) {
                discoverHistory(currHistoryNum+1);
            }
        }
        else if (evt.getSource() == bookmarkButton) {
            if (winMan != null)
                ((BSDiscoWinManager)winMan).addBookmark(JID.fromString(jidStr));
        }
    }
    
    protected void discoverImpl(String jidStr, String nodeStr) {
        this.jidStr = jidStr;
        this.nodeStr = nodeStr;
        winMan.setWindowTitle(this, "Disco " + jidStr + 
                                ((nodeStr != null)? (" -> " + nodeStr) : ""));
        addressTextField.setText(jidStr);
        nodeTextField.setText((nodeStr != null)? nodeStr : "");
        //thisItemView.display(null);