Java tutorial
/* Copyright (C) 2006 Michael Voong 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 actions; import models.PlaylistDao; import models.Track; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Table; import ca.odell.glazedlists.EventList; import exceptions.DataAccessException; public class AddToPlaylistAction implements Listener { private final Table table; private final PlaylistDao playlist; private final EventList<Track> eventList; public AddToPlaylistAction(Table table, PlaylistDao playlist, EventList<Track> eventList) { this.table = table; this.playlist = playlist; this.eventList = eventList; } public void handleEvent(Event e) { int[] indices = table.getSelectionIndices(); if (indices.length > 0) { try { for (int index : indices) { playlist.addTrack(eventList.get(index)); } } catch (DataAccessException dae) { MessageDialog.openError(Display.getDefault().getActiveShell(), "Error", "There was a database error while adding the track to the playlist"); } } } }