Java tutorial
/** * Copyright 2013 Tommi S.E. Laukkanen * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.vaadin.addons.sitekit.viewlet.anonymous; import org.vaadin.addons.sitekit.site.AbstractViewlet; import com.vaadin.server.ThemeResource; import com.vaadin.ui.Alignment; import com.vaadin.ui.Embedded; import com.vaadin.ui.VerticalLayout; /** * Viewlet which renders image from Theme. * @author Tommi S.E. Laukkanen */ public final class ImageViewlet extends AbstractViewlet { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void attach() { super.attach(); final String logoImageThemeFileName = getViewletDescriptor().getConfiguration(); final VerticalLayout layout = new VerticalLayout(); layout.setMargin(false); final Embedded embedded = new Embedded(null, new ThemeResource(logoImageThemeFileName)); embedded.setWidth(32, UNITS_PIXELS); embedded.setHeight(32, UNITS_PIXELS); layout.addComponent(embedded); layout.setComponentAlignment(embedded, Alignment.MIDDLE_CENTER); this.setCompositionRoot(layout); } /** * SiteView constructSite occurred. */ @Override public void enter(final String parameters) { } }