Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.openaz.xacml.admin; import com.vaadin.annotations.AutoGenerated; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.CustomComponent; import com.vaadin.ui.Label; import com.vaadin.ui.VerticalLayout; public class XacmlErrorHandler extends CustomComponent implements View { @AutoGenerated private VerticalLayout mainLayout; @AutoGenerated private Button buttonGo; @AutoGenerated private Label labelError; public static String VIEWNAME = "ErrorHandler.View"; /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */ private static final long serialVersionUID = 1L; /** * The constructor should first build the main layout, set the * composition root and then do any custom initialization. * * The constructor will not be automatically regenerated by the * visual editor. */ public XacmlErrorHandler(String message, String button) { buildMainLayout(); setCompositionRoot(mainLayout); this.labelError.setValue(message); if (button != null) { this.buttonGo.setCaption(button); } else { this.buttonGo.setVisible(false); } } @Override public void enter(ViewChangeEvent event) { // TODO Auto-generated method stub } @AutoGenerated private VerticalLayout buildMainLayout() { // common part: create layout mainLayout = new VerticalLayout(); mainLayout.setImmediate(false); mainLayout.setWidth("100%"); mainLayout.setHeight("-1px"); mainLayout.setMargin(true); mainLayout.setSpacing(true); // top-level component properties setWidth("100.0%"); setHeight("-1px"); // labelError labelError = new Label(); labelError.setImmediate(false); labelError.setWidth("100.0%"); labelError.setHeight("80px"); labelError.setValue("This holds error messages."); mainLayout.addComponent(labelError); // buttonGo buttonGo = new Button(); buttonGo.setCaption("Ok"); buttonGo.setImmediate(true); buttonGo.setWidth("-1px"); buttonGo.setHeight("-1px"); mainLayout.addComponent(buttonGo); mainLayout.setComponentAlignment(buttonGo, new Alignment(48)); return mainLayout; } }