singlegroupnavigationpanel.java

jxta官方例程

/**
 * Copyright (c) 2005 Frank Toennies
 * Redistributions in source code form must reproduce the above copyright and this condition.
 * The contents of this file are subject to the Sun Project JXTA License Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * A copy of the License is available at http://www.jxta.org/jxta_license.html.
 * Please see the license information page for instructions on use of the license in source files.
 *
 * This software consists of voluntary contributions made by many individuals on behalf of Project JXTA.
 * For more information on Project JXTA, please see http://www.jxta.org.
 *
 */
package net.jxta.myjxta.ui;

import info.clearthought.layout.TableLayout;
import net.jxta.myjxta.View;
import net.jxta.myjxta.plugin.ISelectableNode;
import net.jxta.myjxta.plugin.PluginContainer;
import net.jxta.myjxta.plugin.SelectionNodeType;
import net.jxta.myjxta.presence.PeerEntry;
import net.jxta.myjxta.presence.PeerStatus;
import net.jxta.myjxta.search.SearchContext;
import net.jxta.myjxta.search.Searcher;
import net.jxta.myjxta.ui.action.PeerPingAction;
import net.jxta.myjxta.util.Group;
import net.jxta.myjxta.util.GroupListener;
import net.jxta.myjxta.util.JxtaNode;
import net.jxta.myjxta.util.Peer;
import net.jxta.myjxta.util.PeerNode;
import net.jxta.myjxta.util.Resources;
import net.jxta.rendezvous.RendezVousService;

import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableCellRenderer;
import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.EventObject;
import java.util.ResourceBundle;


/**
 * This Dialog Panel shows a information / navigation table of all known peers (the truth is:command dialog pipes)
 * inside the current jxta group. Each ro inside the table represents one pipe. A QuickSearch Textfield enables
 * the user to search for nodes and shares. next version of this panel will also support the listing
 * of shares inside the current group)
 *
 * @author Frank Toennies --
 */
public class SingleGroupNavigationPanel extends JPanel implements PluginContainer.ISelectionProvider {

    private JTable m_groupNavigationTable = null;
    private static boolean ENABLE_STATUS_CONTROLS = true;
    private SingleGroupTableModel m_groupTableModel = null;
    private View m_view;
    private static final ResourceBundle STRINGS = Resources.getStrings();

    private static ImageIcon g_peerPresentIcon = Resources.getInstance().getIconResource("TreeTable.PeerPresent");
    private static ImageIcon g_peerAbsendIcon = Resources.getInstance().getIconResource("TreeTable.PeerAbsent");
    private JComboBox m_quickSearchContext;
    private JTextField m_quickSearch;
    private JScrollPane m_scrollPane;
    private JPanel m_infoPanel;

    /**
     * @param view
     * @param group
     */
    public SingleGroupNavigationPanel(View view, Group group) {
        m_groupNavigationTable = new JTable();
        m_view = view;
        m_view.getControl().getPluginContainer().registerSelectionProvider(this);
        m_groupNavigationTable.setDefaultRenderer(PeerEntry.class, new MyTableCellRenderer());
        m_groupTableModel = new SingleGroupTableModel(group);
        m_groupNavigationTable.setModel(m_groupTableModel);
        int rowHeight = g_peerPresentIcon != null ? g_peerPresentIcon.getIconHeight() + 3 : 20;
        m_groupNavigationTable.setRowHeight(rowHeight);
        m_groupNavigationTable.setShowGrid(false);

        m_groupNavigationTable.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
        m_groupNavigationTable.addMouseListener(new MyTableMouseListener());
        m_groupNavigationTable.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                MenuManager.getInstance(m_view).updateMenuStatus();
            }
        });


        m_quickSearchContext = new JComboBox(new DefaultComboBoxModel(new Object[]{
                new SearchContext(STRINGS.getString("label.pipe.name"),
                        Searcher.PIPE),
//            new SearchContext(STRINGS.getString("label.share.name"),
//                Searcher.SHARE)
        }));

        m_quickSearch = new JTextField(25);
        m_quickSearch.addKeyListener(new MyJXTAView.QuickSearchKeyAdapter(m_quickSearchContext, m_view));


        double size[][];
        if (ENABLE_STATUS_CONTROLS) {
            m_infoPanel = createInfoPanel();
            size = new double[][]{{0.00, 0.50, 0.50, 0.00}, //columns x
                    {25, TableLayout.FILL, 25}}; //rows y          //reserve 20 pixel above the table for some checkboxes (not there yet)
        } else {
            size = new double[][]{{0.00, 0.50, 0.50, 0.00}, //columns x
                    {0, TableLayout.FILL, 25}}; //rows y          //reserve 20 pixel above the table for some checkboxes (not there yet)
        }

        setLayout(new TableLayout(size));
        JScrollPane sp = new JScrollPane(m_groupNavigationTable);
        m_scrollPane = sp;
        m_scrollPane.getViewport().setOpaque(false);
        sp.setBackground(m_groupNavigationTable.getBackground());

        add(sp, "1, 1, 2, 1");    //cell 1,1 towards 2,1 (first one is column or X cord)

        add(m_quickSearchContext, "1,2");  //add the context combo to the outermost south west cell (row 3, column 1)
        add(m_quickSearch, "2,2"); //add the textfield right beside the combo

        if (ENABLE_STATUS_CONTROLS) {
            add(m_infoPanel, "0,0,2,0");
        }
    }

    private PeerNode[] getAllPeerNodes() {
        return getTableModel().getAllPeerNodes();
    }

    public void pingAllNodes() {
        final PeerNode[] nodes = getAllPeerNodes();
        new PeerPingAction("not used", m_view) {
            protected PeerNode[] getNodes() {
                return nodes;
            }
        }.actionPerformed(null);
    }

    private JPanel createInfoPanel() {
        JPanel panel = new JPanel();

        double size[][] =
                {{0.25, 0.25, TableLayout.FILL, 60}, //columns x
                        {TableLayout.FILL}}; //rows y          //reserve 20 pixel above the table for some checkboxes (not there yet)

        panel.setLayout(new TableLayout(size));

        ImageIcon iconConnected = Resources.getInstance().getIconResource("GroupTable.connectedToRdv");
        ImageIcon iconNotConnected = Resources.getInstance().getIconResource("GroupTable.notConnectedToRdv");
        ImageIcon iconIsRdv = Resources.getInstance().getIconResource("GroupTable.isRdv");


        final GroupStatusControl rdvConnectionControl = new GroupStatusControl("rdvConnection", iconConnected, iconNotConnected);
        rdvConnectionControl.setToolTipText("network connection state");
        final GroupStatusControl isRdvControl = new GroupStatusControl("rdvConnection", iconIsRdv, iconConnected);
        isRdvControl.setEnabled(false);

        getGroup().addListener(new MyGroupListener(rdvConnectionControl, isRdvControl));

//        Group parentGroup = getGroup().getParentGroup();
//        GroupStatusControl parentGroupStatusControl=null;
//        if (parentGroup !=null){
//            parentGroupStatusControl=new GroupStatusControl("npgConnection",iconConnected,iconNotConnected);
//            parentGroupStatusControl.setActive(parentGroup.isConnected());
//            parentGroup.addListener(new MyGroupListener(parentGroupStatusControl,null));
//        }

        JPanel iconPanel = new JPanel();
        iconPanel.add(rdvConnectionControl);

        //quick and dirty... remove this one after we have a better place to activate it
        rdvConnectionControl.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                if (e.getClickCount() == 2) {
                    pingAllNodes();
                }
            }


        });

        isRdvControl.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                int modifiers = e.getModifiersEx();
                if (e.getClickCount() == 2 && (modifiers & InputEvent.SHIFT_DOWN_MASK) != 0) {

                    RendezVousService rendezVousService = m_groupTableModel.getGroup().getPeerGroup().getRendezVousService();
                    if (m_groupTableModel.getGroup().isOwnPeerRdv()) {
                        rendezVousService.stopRendezVous();
                    } else {
                        //hidden promote to rdv.... maybe not a good idea so dont advertise it too much...
                        //may be removed at any time
                        rendezVousService.startRendezVous();
                    }
                }
            }
        });

        iconPanel.add(isRdvControl);
        panel.add(iconPanel, "3,0,3,0");

//nano: not yet working (sometimes the wrong state is shown... maybe we are missing a rdv-connect event?)
//        JPanel parentGroupPanel=new JPanel();
//        parentGroupPanel.add(parentGroupStatusControl);
//        panel.add(parentGroupPanel,"0,0,0,0");
        return panel;
    }

    private class GroupStatusControl extends JPanel {
        private Icon m_activeIcon;
        private Icon m_notActiveIcon;
        private boolean m_active = false;
        private ImageIcon m_disabledIcon;

        public void setActive(boolean p_active) {
            m_active = p_active;
            invalidate();
            repaint();
        }

        public GroupStatusControl(String identifier, ImageIcon p_active, ImageIcon p_notActive) {
            m_activeIcon = p_active;
            m_notActiveIcon = p_notActive;
            m_disabledIcon = new ImageIcon(GrayFilter.createDisabledImage(((ImageIcon) p_active).getImage()));

//            m_button=new JButton(m_notActiveIcon);
//            m_button.setEnabled(false);
//            add(m_button);
        }

        public Dimension getPreferredSize() {
            return new Dimension(m_activeIcon.getIconWidth(), m_activeIcon.getIconHeight());
        }

        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            if (isEnabled()) {
                if (m_active) {
                    m_activeIcon.paintIcon(this, g, 0, 0);
                } else {