Java tutorial
/* * polymap.org * Copyright 2010, 2011 Polymap GmbH. All rights reserved. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. */ package org.polymap.core.project.ui.layer; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.qi4j.api.unitofwork.NoSuchEntityException; import org.eclipse.swt.graphics.Image; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.DecoratingLabelProvider; import org.eclipse.ui.PlatformUI; import org.polymap.core.project.ILayer; import org.polymap.core.project.IMap; import org.polymap.core.project.ProjectPlugin; /** * * * @author <a href="http://www.polymap.de">Falko Braeutigam</a> */ public class LayerLabelProvider extends DecoratingLabelProvider { //implements ILabelProvider, IFontProvider { private static final Log log = LogFactory.getLog(LayerLabelProvider.class); public LayerLabelProvider() { super(new BaseLabelProvider(), PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()); } /* * */ static class BaseLabelProvider extends ColumnLabelProvider { public Image getImage(Object elm) { if (elm instanceof ILayer) { Image result = ProjectPlugin.getDefault().imageForName("icons/obj16/layer_disabled_obj.gif"); return result; } return null; } @Override public String getToolTipText(Object element) { // XXX Auto-generated method stub throw new RuntimeException("not yet implemented."); } public String getText(Object elm) { try { if (elm instanceof ILayer) { return ((ILayer) elm).getLabel(); } else if (elm instanceof IMap) { return ((IMap) elm).getLabel(); } else { return elm.toString(); } } catch (NoSuchEntityException e) { return "<deleted>"; } } } }