1 /** 2 * This file Copyright (c) 2018 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.ui.vaadin.grid; 35 36 import info.magnolia.ui.vaadin.gwt.client.IconRendererState; 37 38 import com.vaadin.server.Resource; 39 import com.vaadin.server.ResourceReference; 40 import com.vaadin.shared.communication.URLReference; 41 import com.vaadin.ui.renderers.AbstractRenderer; 42 43 import elemental.json.JsonValue; 44 45 /** 46 * Custom renderer capable of rendering icons. Similar to {@link com.vaadin.ui.renderers.ImageRenderer} somewhat. 47 * However, unlike the latter this renderer is capable of handling any kind of resource like e.g. {@link com.vaadin.server.FontIcon}. 48 * 49 * @param <T> 50 * value type 51 */ 52 public class IconRenderer<T> extends AbstractRenderer<T, Resource> { 53 54 public IconRenderer() { 55 super(Resource.class, null); 56 } 57 58 @Override 59 public JsonValue encode(Resource resource) { 60 return encode(ResourceReference.create(resource, this, null), URLReference.class); 61 } 62 63 @Override 64 protected IconRendererState getState() { 65 return (IconRendererState) super.getState(); 66 } 67 }