managedllist.java

这是一个基于java编写的torrent的P2P源码

/**
 * Copyright (C) 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 63.529,40 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

package com.aelitis.azureus.ui.swt.views.skin;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.util.DisplayFormatters;
import org.gudy.azureus2.ui.swt.mainwindow.TorrentOpener;
import org.gudy.azureus2.ui.swt.views.table.TableRowCore;
import org.gudy.azureus2.ui.swt.views.utils.ManagerUtils;

import com.aelitis.azureus.core.AzureusCore;
import com.aelitis.azureus.core.AzureusCoreFactory;
import com.aelitis.azureus.ui.swt.skin.*;
import com.aelitis.azureus.ui.swt.views.TorrentListView;
import com.aelitis.azureus.ui.swt.views.TorrentListViewListener;
import com.aelitis.azureus.ui.swt.views.list.ListRow;
import com.aelitis.azureus.ui.swt.views.list.ListSelectionAdapter;

/**
 * @author TuxPaper
 * @created Sep 30, 2006
 *
 * TODO Code similaries between MiniRecentList, MiniDownloadList, ManageCdList, 
 *     and ManageDlList.  Need to combine
 */
public class ManageDlList extends SkinView
{
	private SWTSkinObjectText lblCountArea;

	private String PREFIX = "manage-dl-";

	private TorrentListView view;

	private SWTSkinButtonUtility btnAdd;

	private SWTSkinButtonUtility btnStop;

	private SWTSkinButtonUtility btnDelete;

	private SWTSkinObjectText statusObject;

	private SWTSkinButtonUtility btnShare;

	private SWTSkinButtonUtility btnDetails;

	private SWTSkinButtonUtility btnComments;

	private SWTSkinButtonUtility btnPlay;

	// @see com.aelitis.azureus.ui.swt.views.skin.SkinView#showSupport(com.aelitis.azureus.ui.swt.skin.SWTSkinObject, java.lang.Object)
	public Object showSupport(SWTSkinObject skinObject, Object params) {
		final SWTSkin skin = skinObject.getSkin();
		AzureusCore core = AzureusCoreFactory.getSingleton();

		Composite cData = (Composite) skinObject.getControl();
		Composite cHeaders = null;

		skinObject = skin.getSkinObject(PREFIX + "list-headers");
		if (skinObject != null) {
			cHeaders = (Composite) skinObject.getControl();
		}

		skinObject = skin.getSkinObject(PREFIX + "titlextra");
		if (skinObject instanceof SWTSkinObjectText) {
			lblCountArea = (SWTSkinObjectText) skinObject;
		}

		view = new TorrentListView(core, skin, skin.getSkinProperties(), cHeaders,
				lblCountArea, cData, TorrentListView.VIEW_DOWNLOADING, false, true);

		skinObject = skin.getSkinObject(PREFIX + "add");
		if (skinObject instanceof SWTSkinObjectContainer) {
			btnAdd = new SWTSkinButtonUtility(skinObject);

			btnAdd.addSelectionListener(new SWTSkinButtonUtility.ButtonListenerAdapter() {
				public void pressed(SWTSkinButtonUtility buttonUtility) {
					TorrentOpener.openTorrentWindow();
				}
			});
		}

		btnShare = TorrentListViewsUtils.addShareButton(skin, PREFIX, view);
		btnStop = TorrentListViewsUtils.addStopButton(skin, PREFIX, view);
		btnDetails = TorrentListViewsUtils.addDetailsButton(skin, PREFIX, view);
		btnComments = TorrentListViewsUtils.addCommentsButton(skin, PREFIX, view);
		btnPlay = TorrentListViewsUtils.addPlayButton(skin, PREFIX, view, true, false);

		skinObject = skin.getSkinObject(PREFIX + "status");
		if (skinObject instanceof SWTSkinObjectText) {
			statusObject = (SWTSkinObjectText) skinObject;

			view.addListener(new TorrentListViewListener() {
				public void stateChanged(DownloadManager manager) {
					ListRow[] selectedRows = view.getSelectedRows();
					updateStatusText(selectedRows.length == 1 ? selectedRows[0] : null);
				}
			});
		}

		skinObject = skin.getSkinObject(PREFIX + "delete");
		if (skinObject instanceof SWTSkinObjectContainer) {
			btnDelete = new SWTSkinButtonUtility(skinObject);

			btnDelete.addSelectionListener(new SWTSkinButtonUtility.ButtonListenerAdapter() {
				public void pressed(SWTSkinButtonUtility buttonUtility) {
					ListRow[] selectedRows = view.getSelectedRows();
					for (int i = 0; i < selectedRows.length; i++) {
						DownloadManager dm = (DownloadManager) selectedRows[i].getDataSource(true);
						ManagerUtils.remove(dm,
								btnDelete.getSkinObject().getControl().getShell(), true, true);
					}
				}
			});
		}

		SWTSkinButtonUtility[] buttonsNeedingRow = {
			btnDelete,
			btnStop,
		};
		SWTSkinButtonUtility[] buttonsNeedingPlatform = {
			btnDetails,
			btnComments,
			btnShare,
		};
		SWTSkinButtonUtility[] buttonsNeedingSingleSelection = {
			btnDetails,
			btnComments,
			btnShare,
		};
		TorrentListViewsUtils.addButtonSelectionDisabler(view, buttonsNeedingRow,
				buttonsNeedingPlatform, buttonsNeedingSingleSelection, btnStop);

		view.addSelectionListener(new ListSelectionAdapter() {
			public void deselected(ListRow row) {
				update();
			}

			public void selected(ListRow row) {
				update();
			}

			public void focusChanged(ListRow focusedRow) {
				update();
			}

			private void update() {
				TableRowCore[] rows = view.getSelectedRows();
				if (rows.length == 0 || rows.length > 1) {
					updateStatusText(null);
				} else {
					updateStatusText(rows[0]);
				}
			}
		}, true);

		return null;
	}

	/**
	 * @param row
	 */
	protected void updateStatusText(TableRowCore row) {
		if (row != null) {
			DownloadManager dm = (DownloadManager) row.getDataSource(true);
			statusObject.setText(DisplayFormatters.formatDownloadStatus(dm));
		} else {
			statusObject.setTextID("MainWindow.v3." + PREFIX + "status.noselection");
		}
	}
}