myjxtaview.java

jxta官方例程

/*
 *  Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 *  reserved.
 *
 *  Redistribution and use in source and binary forms, with or withouta
 *  modification, are permitted provided that the following conditions
 *  are met:addjxt
 *
 *  1. Redistributions of sourcec code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following discalimer in
 *  the documentation and/or other materials provided with the
 *  distribution.c
 *
 *  3. The end-user documentation included with the redistribution,
 *  if any, must include the following acknowledgment:
 *  "This product includes softgetware developed by the
 *  Sun Microsystems, Inc. for Project JXTA."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *  must not be used to endorse or promote products derived from this
 *  software without prior written permission. For written
 *  permission, please contact Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA",s
 *  nor may "JXTA" appear in their name, without prior written
 *  permission of Sun.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *  ===================================================tre=================
 *
 *  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/>.
 *
 *
 *  $Id: MyJXTAView.java,v 1.104 2006/09/04 21:39:22 nano Exp $
 */
package net.jxta.myjxta.ui;

import net.jxta.document.Advertisement;
import net.jxta.document.AdvertisementFactory;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocumentFactory;
import net.jxta.document.XMLElement;
import net.jxta.ext.config.Configurator;
import net.jxta.myjxta.MyJXTA;
import net.jxta.myjxta.View;
import net.jxta.myjxta.dialog.Dialog;
import net.jxta.myjxta.dialog.DialogMessage;
import net.jxta.myjxta.dialog.OneToOneCommandDialog;
import net.jxta.myjxta.dialog.util.Text;
import net.jxta.myjxta.plugin.ISelectableNode;
import net.jxta.myjxta.plugin.PluginContainer;
import net.jxta.myjxta.plugin.PluginPanel;
import net.jxta.myjxta.search.SearchContext;
import net.jxta.myjxta.search.SearchManager;
import net.jxta.myjxta.search.SearchModifier;
import net.jxta.myjxta.search.Searcher;
import net.jxta.myjxta.ui.action.ExitAction;
import net.jxta.myjxta.ui.action.GroupJoinAction;
import net.jxta.myjxta.ui.action.ShareViewAction;
import net.jxta.myjxta.ui.model.JxtaTreeModel;
import net.jxta.myjxta.util.ConfigData;
import net.jxta.myjxta.util.Constants;
import net.jxta.myjxta.util.Env;
import net.jxta.myjxta.util.Group;
import net.jxta.myjxta.util.GroupNode;
import net.jxta.myjxta.util.JxtaNode;
import net.jxta.myjxta.util.Log4J;
import net.jxta.myjxta.util.Peer;
import net.jxta.myjxta.util.PeerNode;
import net.jxta.myjxta.util.PipeUtil;
import net.jxta.myjxta.util.Prefs;
import net.jxta.myjxta.util.Resources;
import net.jxta.myjxta.util.ShareNode;
import net.jxta.myjxta.util.exec.ExecFactory;
import net.jxta.myjxta.util.preferences.MyPreferencePanel;
import net.jxta.pipe.PipeService;
import net.jxta.protocol.PeerGroupAdvertisement;
import net.jxta.protocol.PipeAdvertisement;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.jdesktop.swingx.JXFrame;
import org.jdesktop.swingx.JXTreeTable;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
import java.awt.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.ActionEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ResourceBundle;
import java.util.TimerTask;


/**
 * @author james todd [gonzo at jxta dot org]
 * @author joe leach [coconatty at jxta dot org]
 * @version $Id: MyJXTAView.java,v 1.104 2006/09/04 21:39:22 nano Exp $
 * @modified 2005-03-26 jamoore add general PlugInPanel type to removeDialog
 * @modified 2005-03-27 jamoore add vojxta to menus
 * @modified 2005-04-06 Frank Toennies [nano at jxta dot org]  fixed resize and tree renderer issues, some code refactoring
 * @modified 2005-03-27 jamoore add vojxta add/remove dialog support
 * @modified 2005-04-24 jamoore add vijxta add/remove dialog support
 * @modified 2005-05-01 jamoore enable video only if system property is set
 */

public final class MyJXTAView
        extends JXFrame
        implements View, PluginContainer.IPopupProvider {
// ------------------------------ FIELDS ------------------------------

    static final Logger LOG = Logger.getLogger(MyJXTAView.class);

    private static final int STATUS_MAX = 15;
    private static final String DOT = ".";
    private static final ResourceBundle STRINGS = Resources.getStrings();

    private MyJXTA myjxta = null;
    private JSplitPane split = null;
    private JXTreeTable tree = null;
    private JxtaTreeModel treeModel = null;
    private JDialog searchDialog = null;
    private JTabbedPane search = null;
    private JDialog shareDialog = null;
    private JTabbedPane share = null;
    private JTabbedPane plugins = null;
    private JTabbedPane m_navigationPane = null;
    private DefaultComboBoxModel status = null;
    private Action exitAction = null;
    private JPopupMenu popup = null; // coconatty
    private final Object lock = new Object();
    private Dimension m_preferredSize = new Dimension(600, 375);
    private ConfigData config = null;
    private MenuManager m_menuManager;

// --------------------------- CONSTRUCTORS ---------------------------

    /**
     * Default Constructor
     *
     * @param p_myjxta
     */
    public MyJXTAView(MyJXTA p_myjxta) {
        super(MyJXTA.NAME);
        setControl(p_myjxta);
        initialize();
    }

    private void initialize() {
        ui();
        pack();

        // start the timer that updates the tree
        // myjxta.startTimer( new InactiveNodeUpdater(),
        //   Env.TREE_UPDATE_PERIOD);
    }

    private void ui() {
        Resources res = Resources.getInstance();
        ImageIcon icon = res.getIconResource("Application.Icon");

        if (icon != null) {
            setIconImage(icon.getImage());
        }

        buildActions();
        buildMenu();
        buildUI();
    }

    private void buildActions() {

        this.exitAction = new ExitAction(STRINGS.getString("menu.exit"), this.getControl());
    }

    private void buildMenu() {
        m_menuManager = MenuManager.getInstance(this);

        setJMenuBar(m_menuManager.getMenuBar());

        //todo: why is it necessary to add the popup menu to the content pane?
        getContentPane().add(this.popup =
                buildPopupMenu(m_menuManager.getActionMenu().getMenuComponents()));
    }

    //set up popup menu, and add mouse listener (see internal class popuplistener)
    private JPopupMenu buildPopupMenu(Component[] c) {
        JPopupMenu jp = new JPopupMenu();

        for (int i = 0; i < c.length; i++) {
            jp.add(c[i]);
        }

        return jp;
    }

    private void buildUI() {
        GridBagLayout gb = new GridBagLayout();
        GridBagConstraints gbc = new GridBagConstraints();

        getContentPane().setLayout(gb);
        ((JPanel) getContentPane()).setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));

        //sp.setViewportBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));

        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.insets = new Insets(3, 3, 3, 3);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.weightx = 1.0;
        gbc.weighty = 1.0;
        gbc.fill = GridBagConstraints.BOTH;

        JPanel newLeftComponent = buildNavigation();
        JPanel newRightComponent = buildPlugins();

        this.split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true,
                newLeftComponent, newRightComponent);

//        this.split.setDividerLocation(0.3);
        this.split.setResizeWeight(0.15);
        this.split.setOneTouchExpandable(true);
        this.split.setDividerSize(8);

        gb.setConstraints(this.split, gbc);

        getContentPane().add(this.split);

        gbc.gridx = 0;
        gbc.gridy++;
        gbc.anchor = GridBagConstraints.LINE_START;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.fill = GridBagConstraints.HORIZONTAL;

        JPanel fp = buildFooter();

        gb.setConstraints(fp, gbc);

        getContentPane().add(fp);

        addComponentListener(new ComponentAdapter() {
            public void componentMoved(ComponentEvent we) {
                componentResized(we);
            }

            public void componentResized(ComponentEvent we) {
//                Rectangle b = getBounds();
                MyJXTA myJXTA = MyJXTAView.this.getControl();
                //nano: myJXTA can be null during the initial setup, so prevent the NPE here
                if (myJXTA != null) {
                    // todo: persist app size, location, etc
//                    p.putInt(Prefs.UI_WIDTH, b.width);
//                    p.putInt(Prefs.UI_HEIGHT, b.height);
//                    p.putInt(Prefs.UI_X, b.x);
//                    p.putInt(Prefs.UI_Y, b.y);
                }
            }
        });
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent we) {
                MyJXTAView.this.getExitAction().actionPerformed(null);
            }
        });
        addFocusListener(new FocusListener() {
            public void focusGained(FocusEvent fe) {
                toFront();
            }

            public void focusLost(FocusEvent fe) {
                // Do nothing
            }
        });
    }

    private JPanel buildNavigation() {
        JPanel p = new JPanel();
        GridBagLayout gb = new GridBagLayout();
        GridBagConstraints gbc = new GridBagConstraints();

        p.setLayout(gb);

        JScrollPane sp = new JScrollPane(this.tree = buildTree());
        tree.getSelectionModel().addListSelectionListener(new ListSelectionListener() {

            public void valueChanged(ListSelectionEvent arg0) {
                m_menuManager.updateMenuStatus();

            }

        });


        tree.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                m_menuManager.updateMenuStatus();
            }
        });
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = GridBagConstraints.REMAINDER;
        gbc.gridheight = GridBagConstraints.RELATIVE;
        gbc.insets = new Insets(3, 3, 3, 3);
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.weightx = 1.0;
        gbc.weighty = 1.0;
        gbc.fill = GridBagConstraints.BOTH;

        gb.setConstraints(sp, gbc);
        p.add(sp);