mytorrentsview.java

这是一个基于java编写的torrent的P2P源码

/*
 * Created on 30 juin 2003
 *
 * Copyright (C) 2004, 2005, 2006 Aelitis SAS, 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.
 *
 * 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 ( see the LICENSE file ).
 *
 * 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.io.File;
import java.util.*;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

import org.gudy.azureus2.core3.category.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.config.ParameterListener;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.download.DownloadManagerListener;
import org.gudy.azureus2.core3.download.DownloadManagerState;
import org.gudy.azureus2.core3.global.GlobalManager;
import org.gudy.azureus2.core3.global.GlobalManagerListener;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.peer.PEPeerSource;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.torrent.TOTorrentFactory;
import org.gudy.azureus2.core3.tracker.client.TRTrackerAnnouncer;
import org.gudy.azureus2.core3.tracker.util.TRTrackerUtils;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.ui.swt.*;
import org.gudy.azureus2.ui.swt.URLTransfer;
import org.gudy.azureus2.ui.swt.exporttorrent.wizard.ExportTorrentWizard;
import org.gudy.azureus2.ui.swt.help.HealthHelpWindow;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.mainwindow.TorrentOpener;
import org.gudy.azureus2.ui.swt.maketorrent.MultiTrackerEditor;
import org.gudy.azureus2.ui.swt.maketorrent.TrackerEditorListener;
import org.gudy.azureus2.ui.swt.shells.InputShell;
import org.gudy.azureus2.ui.swt.views.table.TableCellCore;
import org.gudy.azureus2.ui.swt.views.table.TableColumnCore;
import org.gudy.azureus2.ui.swt.views.table.TableRowCore;
import org.gudy.azureus2.ui.swt.views.table.impl.TableCellImpl;
import org.gudy.azureus2.ui.swt.views.utils.ManagerUtils;

import com.aelitis.azureus.core.AzureusCore;
import com.aelitis.azureus.ui.UIFunctions;
import com.aelitis.azureus.ui.UIFunctionsManager;

import org.gudy.azureus2.plugins.ui.tables.TableManager;

/** Displays a list of torrents in a table view.
 *
 * @author Olivier
 * @author TuxPaper
 *         2004/Apr/18: Use TableRowImpl instead of PeerRow
 *         2004/Apr/20: Remove need for tableItemToObject
 *         2004/Apr/21: extends TableView instead of IAbstractView
 *         2005/Oct/01: Column moving in SWT >= 3.1
 */
public class MyTorrentsView
       extends TableView
       implements GlobalManagerListener,
                  ParameterListener,
                  DownloadManagerListener,
                  CategoryManagerListener,
                  CategoryListener,
                  KeyListener
{
	private static final LogIDs LOGID = LogIDs.GUI;
	private static final int ASYOUTYPE_MODE_FIND = 0;
	private static final int ASYOUTYPE_MODE_FILTER = 1;
	private static final int ASYOUTYPE_MODE = ASYOUTYPE_MODE_FILTER;
	private static final int ASYOUTYPE_UPDATEDELAY = 300;
	
	private AzureusCore		azureus_core;

  private GlobalManager globalManager;
  private boolean isSeedingView;

  private Composite cTablePanel;
  private Font fontButton = null;
  private Composite cCategories;
  private ControlAdapter catResizeAdapter;
  private Menu menuCategory;
  private MenuItem menuItemChangeDir = null;
  private DragSource dragSource = null;
  private DropTarget dropTarget = null;
  private Composite cHeader = null;
  private Label lblHeader = null;
  private Text txtFilter = null;
  private Label lblX = null;
  
  int userMode;
  boolean isTrackerOn;

  private Category currentCategory;

  // table item index, where the drag has started
  private int drag_drop_line_start = -1;

	private TimerEvent searchUpdateEvent;
  private String sLastSearch = "";
  private long lLastSearchTime;
  private boolean bRegexSearch = false;
	private boolean bDNDalwaysIncomplete;

  /**
   * Initialize
   * 
   * @param _azureus_core
   * @param isSeedingView
   * @param basicItems
   */
  public 
  MyTorrentsView(
  		AzureusCore			_azureus_core, 
		boolean 			isSeedingView,
        TableColumnCore[] 	basicItems) 
  {
    super((isSeedingView) ? TableManager.TABLE_MYTORRENTS_COMPLETE
                          : TableManager.TABLE_MYTORRENTS_INCOMPLETE,
          "MyTorrentsView", basicItems, "#", 
          SWT.MULTI | SWT.FULL_SELECTION | SWT.VIRTUAL);
    setRowDefaultIconSize(new Point(16, 16));
    azureus_core		= _azureus_core;
    this.globalManager 	= azureus_core.getGlobalManager();
    this.isSeedingView 	= isSeedingView;

    currentCategory = CategoryManager.getCategory(Category.TYPE_ALL);  
	}

  /* (non-Javadoc)
   * @see org.gudy.azureus2.ui.swt.IView#initialize(org.eclipse.swt.widgets.Composite)
   */
  public void initialize(Composite composite0) {
    if(cTablePanel != null) {
      return;
    }

    super.initialize(composite0);

    createTabs();

    createDragDrop();

    COConfigurationManager.addAndFireParameterListeners(new String[] {
				"DND Always In Incomplete",
				"Confirm Data Delete",
				"User Mode" }, this);

    if (currentCategory != null) {
    	currentCategory.addCategoryListener(this);
    }
    CategoryManager.addCategoryManagerListener(this);
    globalManager.addListener(this, false);
    Object[] dms = globalManager.getDownloadManagers().toArray();
    for (int i = 0; i < dms.length; i++) {
			DownloadManager dm = (DownloadManager) dms[i];
			dm.addListener(this);
			if (!isOurDownloadManager(dm)) {
				dms[i] = null;
			}
		}
    addDataSources(dms);
    processDataSourceQueue();
  }


  public void tableStructureChanged() {
    super.tableStructureChanged();

    createDragDrop();
    activateCategory(currentCategory);
  }

  public Composite createMainPanel(Composite composite) {
    GridData gridData;
    Composite panel = new Composite(composite, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.horizontalSpacing = 0;
    layout.verticalSpacing = 0;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    panel.setLayout(layout);
    panel.setLayoutData(new GridData(GridData.FILL_BOTH));

    cTablePanel = new Composite(panel, SWT.NULL);
    gridData = new GridData(GridData.FILL_BOTH);
    gridData.horizontalSpan = 2;
    cTablePanel.setLayoutData(gridData);

    layout = new GridLayout(1, false);
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    layout.verticalSpacing = 0;
    layout.horizontalSpacing = 0;
    cTablePanel.setLayout(layout);

    return panel;
  }

  private void createTabs() {
    GridData gridData;
    Category[] categories = CategoryManager.getCategories();
    Arrays.sort(categories);
    boolean showCat = sLastSearch.length() > 0;
    if (!showCat)
	    for(int i = 0; i < categories.length; i++) {
	        if(categories[i].getType() == Category.TYPE_USER) {
	            showCat = true;
	            break;
	        }
	    }

    if (!showCat) {
    	if (cCategories != null && !cCategories.isDisposed()) {
        Control[] controls = cCategories.getChildren();
        for (int i = 0; i < controls.length; i++) {
          controls[i].dispose();
        }
    	}
    } else {
      if (cCategories == null) {
        Composite parent = getComposite();

        cCategories = new Composite(parent, SWT.NONE);
        gridData = new GridData(GridData.HORIZONTAL_ALIGN_END);
        cCategories.setLayoutData(gridData);
        RowLayout rowLayout = new RowLayout();
        rowLayout.marginTop = 0;
        rowLayout.marginBottom = 0;
        rowLayout.marginLeft = 3;
        rowLayout.marginRight = 0;
        rowLayout.spacing = 0;
        rowLayout.wrap = true;
        cCategories.setLayout(rowLayout);

        cHeader = new Composite(parent, SWT.NONE);
        gridData = new GridData(GridData.FILL_HORIZONTAL);
        gridData.horizontalIndent = 5;
        cHeader.setLayoutData(gridData);
        GridLayout layout = new GridLayout();
        layout.numColumns = 6;
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.horizontalSpacing = 2;
        layout.verticalSpacing = 0;
        cHeader.setLayout(layout);
        
        lblHeader = new Label(cHeader, SWT.WRAP);
        gridData = new GridData();
        lblHeader.setLayoutData(gridData);
        updateTableLabel();

        Label lblSep = new Label(cHeader, SWT.SEPARATOR | SWT.VERTICAL);
        gridData = new GridData(GridData.FILL_VERTICAL);
        gridData.heightHint = 5;
        lblSep.setLayoutData(gridData);
        
        Label lblFilter = new Label(cHeader, SWT.WRAP);
        gridData = new GridData(GridData.BEGINNING);
        lblFilter.setLayoutData(gridData);
        Messages.setLanguageText(lblFilter, "MyTorrentsView.filter");

		lblX = new Label(cHeader, SWT.WRAP);
        Messages.setLanguageTooltip(lblX, "MyTorrentsView.clearFilter.tooltip");
        gridData = new GridData(SWT.TOP);
        lblX.setLayoutData(gridData);
        lblX.setImage(ImageRepository.getImage("smallx-gray"));
        lblX.addMouseListener(new MouseAdapter() {
        	public void mouseUp(MouseEvent e) {
        		if (e.y <= 10) {
          		sLastSearch = "";
          		updateLastSearch();
        		}
        	}
        });
        
        txtFilter = new Text(cHeader, SWT.BORDER);
        Messages.setLanguageTooltip(txtFilter, "MyTorrentsView.filter.tooltip");
        txtFilter.addKeyListener(this);
        gridData = new GridData(GridData.FILL_HORIZONTAL);
        txtFilter.setLayoutData(gridData);
        txtFilter.addModifyListener(new ModifyListener() {
        	public void modifyText(ModifyEvent e) {
        		sLastSearch = ((Text)e.widget).getText();
        		updateLastSearch();
        	}
        });
        txtFilter.addKeyListener(new KeyAdapter() {
        	public void keyPressed(KeyEvent e) {
        		if (e.keyCode == SWT.ARROW_DOWN) {
        			getTable().setFocus();
        			e.doit = false;
        		}
        	}
        });
        
        lblSep = new Label(cHeader, SWT.SEPARATOR | SWT.VERTICAL);
        gridData = new GridData(GridData.FILL_VERTICAL);
        gridData.heightHint = 5;
        lblSep.setLayoutData(gridData);
        
        cHeader.moveAbove(null);
        cCategories.moveBelow(cHeader);
      } else {
        Control[] controls = cCategories.getChildren();
        for (int i = 0; i < controls.length; i++) {
          controls[i].dispose();
        }
      }

      int iFontPixelsHeight = 11;
      int iFontPointHeight = (iFontPixelsHeight * 72) / cCategories.getDisplay().getDPI().y;
      for (int i = 0; i < categories.length; i++) {
        final Button catButton = new Button(cCategories, SWT.TOGGLE);
        catButton.addKeyListener(this);
        if (i == 0 && fontButton == null) {
          Font f = catButton.getFont();
          FontData fd = f.getFontData()[0];
          fd.setHeight(iFontPointHeight);
          fontButton = new Font(cCategories.getDisplay(), fd);
        }
        catButton.setText("|");
        catButton.setFont(fontButton);
        catButton.pack(true);
        if (catButton.computeSize(100,SWT.DEFAULT).y > 0) {
          RowData rd = new RowData();
          rd.height = catButton.computeSize(100,SWT.DEFAULT).y - 2 + catButton.getBorderWidth() * 2;
          catButton.setLayoutData(rd);
        }

        String name = categories[i].getName();
        if (categories[i].getType() == Category.TYPE_USER)
          catButton.setText(name);
        else
          Messages.setLanguageText(catButton, name);

        catButton.setData("Category", categories[i]);