downloadlist.java

JMule是一个基于Java开发

/*
 *  JMule - Java file sharing client
 *  Copyright (C) 2007-2008 JMule team ( [e-mail] / http://jmule.org )
 *
 *  Any parts of this program derived from other projects, or contributed
 *  by third-party developers are copyrighted by their respective authors.
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */
package org.jmule.ui.swt.maintabs.transfers;

import java.text.DecimalFormat;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.jmule.core.JMRunnable;
import org.jmule.core.JMuleCore;
import org.jmule.core.downloadmanager.DownloadManager;
import org.jmule.core.downloadmanager.DownloadManagerListener;
import org.jmule.core.downloadmanager.DownloadSession;
import org.jmule.core.edonkey.impl.ED2KFileLink;
import org.jmule.core.edonkey.impl.FileHash;
import org.jmule.core.uploadmanager.UploadManager;
import org.jmule.core.uploadmanager.UploadSession;
import org.jmule.ui.localizer._;
import org.jmule.ui.swt.Refreshable;
import org.jmule.ui.swt.SWTConstants;
import org.jmule.ui.swt.SWTImageRepository;
import org.jmule.ui.swt.SWTPreferences;
import org.jmule.ui.swt.SWTThread;
import org.jmule.ui.swt.Utils;
import org.jmule.ui.swt.common.GapListPainter;
import org.jmule.ui.swt.mainwindow.MainWindow;
import org.jmule.ui.swt.tables.BufferedTableRow;
import org.jmule.ui.swt.tables.JMTable;
import org.jmule.ui.swt.tables.TableItemGapList;
import org.jmule.ui.utils.FileFormatter;
import org.jmule.ui.utils.SpeedFormatter;
import org.jmule.ui.utils.TimeFormatter;
import org.jmule.util.Misc;

/**
 * Created on Aug 02 2008
 * @author binary256
 * @version $$Revision: 1.7 $$
 * Last changed by $$Author: binary256_ $$ on $$Date: 2008/10/16 18:20:02 $$
 */
public class DownloadList extends JMTable<DownloadSession> implements Refreshable,DownloadManagerListener {

	private JMuleCore _core;
	private DownloadManager download_manager;
	private UploadManager   upload_manager;
	
	private Menu no_downloads_menu;
	private Menu single_download_selected;
	private Menu multiple_downloads_selected;
	
	private MenuItem set_download_status;
	private MenuItem multiple_start_download;
	private MenuItem multiple_stop_download;
	private enum DownloadListStatus { NO_DOWNLOADS, NO_DOWNLOADS_SELECTED, STOPPED_DOWNLOAD_SELECTED,
									  STARTED_DOWNLOAD_SELECTED, MULTIPLE_STARTED_DOWNLOADS_SELECTED,
									  MULTIPLE_STOPPED_DOWNLOADS_SELECTED, MULTIPLE_MISC_DOWNLOADS_SELECTED };
		  
	public DownloadList(Composite composite, JMuleCore core) {
		super(composite, SWT.NONE);
		
		_core = core;
		download_manager = core.getDownloadManager();
		upload_manager = core.getUploadManager();
		
		int width;
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_FILE_NAME_COLUMN_ID); 
		addColumn(SWT.LEFT, SWTConstants.DOWNLOAD_LIST_FILE_NAME_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.filename"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_SIZE_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_SIZE_COLUMN_ID, 	_._("mainwindow.transferstab.downloads.column.size"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_TRANSFERRED_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_TRANSFERRED_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.transferred"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_DOWNLOAD_SPEED_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_DOWNLOAD_SPEED_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.download_speed"), "", width);
		
		width = SWTPreferences.getInstance().getColumnWidth(SWTConstants.DOWNLOAD_LIST_UPLOAD_SPEED_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_UPLOAD_SPEED_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.upload_speed"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_PROGRESS_COLUMN_ID);
		addColumn(SWT.LEFT, SWTConstants.DOWNLOAD_LIST_PROGRESS_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.progress"),"", width);

		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_COMPLETED_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_COMPLETED_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.completed"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_SOURCES_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_SOURCES_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.sources"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_REMAINING_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_REMAINING_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.eta"), _._("mainwindow.transferstab.downloads.column.eta.desc"), width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_STATUS_COLUMN_ID);
		addColumn(SWT.LEFT, SWTConstants.DOWNLOAD_LIST_STATUS_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.status"),"", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_COMPLETE_SOURCES_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_COMPLETE_SOURCES_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.completed_src"), "", width);
		
		width = swt_preferences.getColumnWidth(SWTConstants.DOWNLOAD_LIST_PARTIAL_SOURCES_COLUMN_ID);
		addColumn(SWT.RIGHT, SWTConstants.DOWNLOAD_LIST_PARTIAL_SOURCES_COLUMN_ID, _._("mainwindow.transferstab.downloads.column.partial_src"), "", width);
		
		updateColumnOrder();
		updateColumnVisibility();
		
		no_downloads_menu = new Menu(this);
		
		MenuItem paste_ed2k_file_links = new MenuItem(no_downloads_menu,SWT.PUSH);
		paste_ed2k_file_links.setText(_._("mainwindow.transferstab.downloads.popupmenu.paste_ed2k_links"));
		paste_ed2k_file_links.setImage(SWTImageRepository.getImage("ed2k_link_paste.png"));
		paste_ed2k_file_links.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				pasteED2KLink();
		}});

		new MenuItem(no_downloads_menu,SWT.SEPARATOR);
		
		MenuItem column_setup = new MenuItem(no_downloads_menu,SWT.PUSH);
		column_setup.setText(_._("mainwindow.transferstab.downloads.popupmenu.column_setup"));
		column_setup.setImage(SWTImageRepository.getImage("columns_setup.png"));
		column_setup.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				showColumnEditorWindow();
			}
		});
		
		single_download_selected = new Menu(this);
		
		set_download_status = new MenuItem(single_download_selected,SWT.PUSH);
		set_download_status.setText(_._("mainwindow.transferstab.downloads.popupmenu.start_download"));
		set_download_status.setImage(SWTImageRepository.getImage("start_download.png"));
		set_download_status.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				if (getSelectedObject().isStarted())
					stopSelectedDownloads();
				else
					startSelectedDownloads();
		}});
		
		MenuItem single_cancel_download = new MenuItem(single_download_selected,SWT.PUSH);
		single_cancel_download.setText(_._("mainwindow.transferstab.downloads.popupmenu.cancel_download"));
		single_cancel_download.setImage(SWTImageRepository.getImage("cancel.png"));
		single_cancel_download.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				cancelSelectedDownloads();
		}});
			
		new MenuItem(single_download_selected,SWT.SEPARATOR);
		
		MenuItem copy_ed2k_link = new MenuItem(single_download_selected,SWT.PUSH);
		copy_ed2k_link.setText(_._("mainwindow.transferstab.downloads.popupmenu.copy_ed2k_link"));
		copy_ed2k_link.setImage(SWTImageRepository.getImage("ed2k_link.png"));
		copy_ed2k_link.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				copyED2KLink();
			}
		});
		
		
		MenuItem paste_ed2k_link = new MenuItem(single_download_selected,SWT.PUSH);
		paste_ed2k_link.setText(_._("mainwindow.transferstab.downloads.popupmenu.paste_ed2k_link"));
		paste_ed2k_link.setImage(SWTImageRepository.getImage("ed2k_link_paste.png"));
		paste_ed2k_link.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				pasteED2KLink();
		}});
		
		new MenuItem(single_download_selected,SWT.SEPARATOR);
		
		column_setup = new MenuItem(single_download_selected,SWT.PUSH);
		column_setup.setText(_._("mainwindow.transferstab.downloads.popupmenu.column_setup"));
		column_setup.setImage(SWTImageRepository.getImage("columns_setup.png"));
		column_setup.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				showColumnEditorWindow();
		}});
		
		new MenuItem(single_download_selected,SWT.SEPARATOR);
		
		MenuItem download_details = new MenuItem(single_download_selected,SWT.PUSH);
		download_details.setText(_._("mainwindow.transferstab.downloads.popupmenu.details"));
		download_details.setImage(SWTImageRepository.getImage("info.png"));
		
		download_details.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				try {
					DownloadInfoWindow download_info_window = new DownloadInfoWindow(getSelectedObject());
					download_info_window.getCoreComponents();
					download_info_window.initUIComponents();
				}catch(Throwable es) {
					es.printStackTrace();
				}
		}});
		
		multiple_downloads_selected = new Menu(this);
		
		multiple_start_download = new MenuItem(multiple_downloads_selected,SWT.PUSH);
		multiple_start_download.setText(_._("mainwindow.transferstab.downloads.popupmenu.start_downloads"));
		multiple_start_download.setImage(SWTImageRepository.getImage("start_download.png"));
		multiple_start_download.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				startSelectedDownloads();
		}});
		
		multiple_stop_download = new MenuItem(multiple_downloads_selected,SWT.PUSH);
		multiple_stop_download.setText(_._("mainwindow.transferstab.downloads.popupmenu.stop_downloads"));
		multiple_stop_download.setImage(SWTImageRepository.getImage("stop_download.png"));
		multiple_stop_download.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				stopSelectedDownloads();
		}});
		
		MenuItem multiple_cancel_download = new MenuItem(multiple_downloads_selected,SWT.PUSH);
		multiple_cancel_download.setText(_._("mainwindow.transferstab.downloads.popupmenu.cancel_downloads"));
		multiple_cancel_download.setImage(SWTImageRepository.getImage("cancel.png"));
		multiple_cancel_download.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				cancelSelectedDownloads();
		}});	
		
		new MenuItem(multiple_downloads_selected,SWT.SEPARATOR);
		
		MenuItem multiple_copy_ed2k_links = new MenuItem(multiple_downloads_selected, SWT.PUSH);
		multiple_copy_ed2k_links.setText(_._("mainwindow.transferstab.downloads.popupmenu.copy_ed2k_links"));
		multiple_copy_ed2k_links.setImage(SWTImageRepository.getImage("ed2k_link_paste.png"));
		multiple_copy_ed2k_links.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				copyED2KLink();
			}
		});
		
		new MenuItem(multiple_downloads_selected,SWT.SEPARATOR);
		
		column_setup = new MenuItem(multiple_downloads_selected,SWT.PUSH);
		column_setup.setText(_._("mainwindow.transferstab.downloads.popupmenu.column_setup"));
		column_setup.setImage(SWTImageRepository.getImage("columns_setup.png"));
		column_setup.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected( SelectionEvent e ) {
				showColumnEditorWindow();
		}});
		
		for(DownloadSession session : download_manager.getDownloads() ) {
			addDownlaodSession(session);
		}
		
		download_manager.addDownloadManagerListener(this);
		
	}
	
	private DownloadListStatus getSelectionStatus() {
		
		if ((getSelectionCount()==0)&&(getItems().length>0))
			return DownloadListStatus.NO_DOWNLOADS_SELECTED;
		
		if ((getSelectionCount()==1)&&(getSelectedObject().isStarted())) 
			return DownloadListStatus.STARTED_DOWNLOAD_SELECTED;
		
		if ((getSelectionCount()==1)&&(!getSelectedObject().isStarted())) 
			return DownloadListStatus.STOPPED_DOWNLOAD_SELECTED;
		
		if (getSelectionCount()>1) {
			boolean contain_started = false;