generalview.java

这是一个基于java编写的torrent的P2P源码

/*
 * Created on 2 juil. 2003
 * Copyright (C) 2003, 2004, 2005, 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */
package org.gudy.azureus2.ui.swt.views;

import java.net.URL;
import java.util.Iterator;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.*;

import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.config.ParameterListener;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.download.DownloadManagerStats;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.torrent.TOTorrentException;
import org.gudy.azureus2.core3.tracker.client.TRTrackerAnnouncer;
import org.gudy.azureus2.core3.tracker.client.TRTrackerScraperResponse;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.ui.swt.Messages;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.components.BufferedLabel;
import org.gudy.azureus2.ui.swt.components.BufferedTruncatedLabel;
import org.gudy.azureus2.ui.swt.debug.ObfusticateImage;
import org.gudy.azureus2.ui.swt.debug.UIDebugGenerator;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.mainwindow.Cursors;
import org.gudy.azureus2.ui.swt.maketorrent.MultiTrackerEditor;
import org.gudy.azureus2.ui.swt.maketorrent.TrackerEditorListener;

/**
 * View of General information on the torrent
 * 
 * @author Olivier
 * 
 */
public class GeneralView extends AbstractIView implements ParameterListener,
		ObfusticateImage
{

  private Display display;
  private DownloadManager manager = null;
  boolean pieces[];
  int loopFactor;

  Composite genComposite;
  Composite gFile;
  Canvas piecesImage;
  Image pImage;
  BufferedLabel piecesPercent;
  Canvas availabilityImage;
  Image aImage;
  BufferedLabel availabilityPercent;
  Group gTransfer;
  BufferedLabel timeElapsed;
  BufferedLabel timeRemaining;
  BufferedLabel download;
  BufferedLabel downloadSpeed;
  //Text 			maxDLSpeed;
  BufferedLabel upload;
  BufferedLabel uploadSpeed;
  //Text 			maxULSpeed;
  //Text maxUploads;
  BufferedLabel totalSpeed;
  BufferedLabel ave_completion;
  BufferedLabel seeds;
  BufferedLabel peers;
  Group gInfo;
  BufferedLabel fileName;
  BufferedLabel fileSize;
  BufferedLabel saveIn;
  BufferedLabel hash;
  BufferedTruncatedLabel tracker_status;
  BufferedLabel trackerUpdateIn;
  Menu menuTracker;
  MenuItem itemSelect;
  
  BufferedTruncatedLabel trackerUrlValue;
  
  BufferedLabel pieceNumber;
  BufferedLabel pieceSize;
  Control lblComment;
  BufferedLabel creation_date;
  BufferedLabel user_comment;
  BufferedLabel hashFails;
  BufferedLabel shareRatio;
  Button		updateButton;
  
  private int graphicsUpdate = COConfigurationManager.getIntParameter("Graphics Update");

  /**
   * Initialize GeneralView
   */
  public GeneralView() {
  }

	public void dataSourceChanged(Object newDataSource) {
		if (newDataSource == null)
			manager = null;
		else if (newDataSource instanceof Object[])
			manager = (DownloadManager)((Object[])newDataSource)[0];
		else
			manager = (DownloadManager)newDataSource;
	}

  /* (non-Javadoc)
   * @see org.gudy.azureus2.ui.swt.IView#initialize(org.eclipse.swt.widgets.Composite)
   */
  public void initialize(Composite composite) {
  	if (manager == null)
  		return;

    pieces = new boolean[manager.getNbPieces()];

    this.display = composite.getDisplay();

    genComposite = new Canvas(composite, SWT.NULL);
    GridLayout genLayout = new GridLayout();
    genLayout.marginHeight = 0;
    try {
    	genLayout.marginTop = 5;
    } catch (NoSuchFieldError e) {
    	// pre 3.1
    }
    genLayout.marginWidth = 2;
    genLayout.numColumns = 1;
    genComposite.setLayout(genLayout);

    gFile = new Composite(genComposite, SWT.SHADOW_OUT);
    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
    gFile.setLayoutData(gridData);
    GridLayout fileLayout = new GridLayout();
    fileLayout.marginHeight = 0;
    fileLayout.marginWidth = 10;
    fileLayout.numColumns = 3;
    gFile.setLayout(fileLayout);

    Label piecesInfo = new Label(gFile, SWT.LEFT);
    Messages.setLanguageText(piecesInfo, "GeneralView.section.downloaded");
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    piecesInfo.setLayoutData(gridData);

    piecesImage = new Canvas(gFile, SWT.NULL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.widthHint = 150;
    gridData.heightHint = 25;
    piecesImage.setLayoutData(gridData);

    piecesPercent = new BufferedLabel(gFile, SWT.RIGHT);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
    gridData.widthHint = 50;
    piecesPercent.setLayoutData(gridData);

    Label availabilityInfo = new Label(gFile, SWT.LEFT);
    Messages.setLanguageText(availabilityInfo, "GeneralView.section.availability");
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    availabilityInfo.setLayoutData(gridData);

    availabilityImage = new Canvas(gFile, SWT.NULL);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.widthHint = 150;
    gridData.heightHint = 25;
    availabilityImage.setLayoutData(gridData);
    Messages.setLanguageText(availabilityImage, "GeneralView.label.status.pieces_available.tooltip");

    availabilityPercent = new BufferedLabel(gFile, SWT.RIGHT);
    gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
    gridData.widthHint = 50;
    availabilityPercent.setLayoutData(gridData);
    Messages.setLanguageText(availabilityPercent.getWidget(), "GeneralView.label.status.pieces_available.tooltip");
    
    gTransfer = new Group(genComposite, SWT.SHADOW_OUT);
    Messages.setLanguageText(gTransfer, "GeneralView.section.transfer"); //$NON-NLS-1$
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gTransfer.setLayoutData(gridData);

    GridLayout layoutTransfer = new GridLayout();
    layoutTransfer.numColumns = 6;
    gTransfer.setLayout(layoutTransfer);

    Label label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.timeelapsed"); //$NON-NLS-1$
    timeElapsed = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    timeElapsed.setLayoutData(gridData);
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.remaining"); //$NON-NLS-1$
    timeRemaining = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    timeRemaining.setLayoutData(gridData);
    label = new Label(gTransfer, SWT.LEFT); //$NON-NLS-1$
    Messages.setLanguageText(label, "GeneralView.label.shareRatio");
    shareRatio = new BufferedLabel(gTransfer, SWT.LEFT); //$NON-NLS-1$
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    shareRatio.setLayoutData(gridData);

    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.downloaded"); //$NON-NLS-1$
    download = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    download.setLayoutData(gridData);
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.downloadspeed"); //$NON-NLS-1$
    downloadSpeed = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    downloadSpeed.setLayoutData(gridData);
    label = new Label(gTransfer, SWT.LEFT); //$NON-NLS-1$
    Messages.setLanguageText(label, "GeneralView.label.hashfails");
    hashFails = new BufferedLabel(gTransfer, SWT.LEFT); //$NON-NLS-1$
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    hashFails.setLayoutData(gridData);
    
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.uploaded"); //$NON-NLS-1$
    upload = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    upload.setLayoutData(gridData);    
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.uploadspeed"); //$NON-NLS-1$
    uploadSpeed = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 3;
    uploadSpeed.setLayoutData(gridData);
    
    	// blah
    
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.seeds");
    seeds = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    seeds.setLayoutData(gridData);

    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.peers"); 
    peers = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 3;
    peers.setLayoutData(gridData);

    
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.totalspeed"); 
    totalSpeed = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    totalSpeed.setLayoutData(gridData);
    
    
    label = new Label(gTransfer, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.swarm_average_completion"); 
    ave_completion = new BufferedLabel(gTransfer, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.horizontalSpan = 3;
    ave_completion.setLayoutData(gridData);
    
    
    ////////////////////////

    gInfo = new Group(genComposite, SWT.SHADOW_OUT);
    Messages.setLanguageText(gInfo, "GeneralView.section.info"); 
    gridData = new GridData(GridData.FILL_BOTH);
    gInfo.setLayoutData(gridData);

    GridLayout layoutInfo = new GridLayout();
    layoutInfo.numColumns = 4;
    gInfo.setLayout(layoutInfo);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.filename"); //$NON-NLS-1$
    fileName = new BufferedLabel(gInfo, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    fileName.setLayoutData(gridData);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.totalsize"); //$NON-NLS-1$
    fileSize = new BufferedLabel(gInfo, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    fileSize.setLayoutData(gridData);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.savein"); //$NON-NLS-1$
    saveIn = new BufferedLabel(gInfo, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    saveIn.setLayoutData(gridData);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.hash"); //$NON-NLS-1$
    hash = new BufferedLabel(gInfo, SWT.LEFT);
    Messages.setLanguageText(hash.getWidget(), "GeneralView.label.hash.tooltip", true);
    
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    hash.setLayoutData(gridData);
    	// click on hash -> copy to clipboard
    hash.setCursor(Cursors.handCursor);
    hash.setForeground(Colors.blue);
    label.addMouseListener(new MouseAdapter() {
    	public void mouseDoubleClick(MouseEvent arg0) {
    		String hash_str = hash.getText();
    		if(hash_str != null && hash_str.length() != 0)
    			new Clipboard(display).setContents(new Object[] {hash_str.replaceAll(" ","")}, new Transfer[] {TextTransfer.getInstance()});
    	}
    	public void mouseDown(MouseEvent arg0) {
    		String hash_str = hash.getText();
    		if(hash_str != null && hash_str.length() != 0)
    			new Clipboard(display).setContents(new Object[] {hash_str.replaceAll(" ","")}, new Transfer[] {TextTransfer.getInstance()});
    	}
    });
    hash.addMouseListener(new MouseAdapter() {
    	public void mouseDoubleClick(MouseEvent arg0) {
    		String hash_str = hash.getText();
    		if(hash_str != null && hash_str.length() != 0)
    			new Clipboard(display).setContents(new Object[] {hash_str.replaceAll(" ","")}, new Transfer[] {TextTransfer.getInstance()});
    	}
    	public void mouseDown(MouseEvent arg0) {
    		String hash_str = hash.getText();
    		if(hash_str != null && hash_str.length() != 0)
    			new Clipboard(display).setContents(new Object[] {hash_str.replaceAll(" ","")}, new Transfer[] {TextTransfer.getInstance()});
    	}
    });
    
    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.numberofpieces"); //$NON-NLS-1$
    pieceNumber = new BufferedLabel(gInfo, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    pieceNumber.setLayoutData(gridData);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.size"); //$NON-NLS-1$
    pieceSize = new BufferedLabel(gInfo, SWT.LEFT);
    gridData = new GridData(GridData.FILL_HORIZONTAL);
    pieceSize.setLayoutData(gridData);

    label = new Label(gInfo, SWT.LEFT);
    Messages.setLanguageText(label, "GeneralView.label.trackerurl"); //$NON-NLS-1$
    label.setCursor(Cursors.handCursor);
    label.setForeground(Colors.blue);
    label.addMouseListener(new MouseAdapter() {
      public void mouseDoubleClick(MouseEvent arg0) {
        String announce = trackerUrlValue.getText();
        if(announce != null && announce.length() != 0)
          new Clipboard(display).setContents(new Object[] {announce}, new Transfer[] {TextTransfer.getInstance()});
      }
      public void mouseDown(MouseEvent arg0) {
        String announce = trackerUrlValue.getText();
        if(announce != null && announce.length() != 0)
          new Clipboard(display).setContents(new Object[] {announce}, new Transfer[] {TextTransfer.getInstance()});
      }
    });
    
    menuTracker = new Menu(genComposite.getShell(),SWT.POP_UP);
    itemSelect = new MenuItem(menuTracker,SWT.CASCADE);
    Messages.setLanguageText(itemSelect, "GeneralView.menu.selectTracker");
    MenuItem itemEdit = new MenuItem(menuTracker,SWT.NULL);
    Messages.setLanguageText(itemEdit, "MyTorrentsView.menu.editTracker");
     
    itemEdit.addListener(
    	SWT.Selection,
    	new Listener()
    	{
    		public void 
    		handleEvent(Event e)
    		{
    			final TOTorrent	torrent = manager.getTorrent();
    		
    			if ( torrent == null ){
    				return;
    			}
    			
	    		List	group = TorrentUtils.announceGroupsToList( torrent );
	    		
	    		new MultiTrackerEditor(null,group,
	    				new TrackerEditorListener()