Java tutorial
/** * NetXMS - open source network management system * Copyright (C) 2003-2011 Victor Kirhenshtein * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ package org.netxms.ui.eclipse.agentmanager.views.helpers; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerComparator; import org.eclipse.swt.SWT; import org.netxms.client.packages.PackageInfo; import org.netxms.ui.eclipse.agentmanager.views.PackageManager; import org.netxms.ui.eclipse.widgets.SortableTableViewer; /** * Agent package comparator */ public class PackageComparator extends ViewerComparator { /* (non-Javadoc) * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ @Override public int compare(Viewer viewer, Object e1, Object e2) { PackageInfo p1 = (PackageInfo) e1; PackageInfo p2 = (PackageInfo) e2; int result; switch ((Integer) ((SortableTableViewer) viewer).getTable().getSortColumn().getData("ID")) //$NON-NLS-1$ { case PackageManager.COLUMN_ID: result = Long.signum(p1.getId() - p2.getId()); break; case PackageManager.COLUMN_DESCRIPTION: result = p1.getDescription().compareToIgnoreCase(p2.getDescription()); break; case PackageManager.COLUMN_FILE: result = p1.getFileName().compareToIgnoreCase(p2.getFileName()); break; case PackageManager.COLUMN_NAME: result = p1.getName().compareToIgnoreCase(p2.getName()); break; case PackageManager.COLUMN_PLATFORM: result = p1.getPlatform().compareToIgnoreCase(p2.getPlatform()); break; case PackageManager.COLUMN_VERSION: result = p1.getVersion().compareToIgnoreCase(p2.getVersion()); break; default: result = 0; } return (((SortableTableViewer) viewer).getTable().getSortDirection() == SWT.DOWN) ? result : -result; } }