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.usergrid.chop.webapp.view.util; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.*; public class UIUtil { public static ComboBox createCombo(String caption, Object values[]) { ComboBox combo = new ComboBox(caption); combo.setTextInputAllowed(false); combo.setNullSelectionAllowed(false); populateCombo(combo, values); return combo; } //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// public static ComboBox addCombo(AbsoluteLayout layout, String caption, String position, String width, Object values[]) { ComboBox combo = new ComboBox(caption); combo.setTextInputAllowed(false); combo.setNullSelectionAllowed(false); combo.setWidth(width); layout.addComponent(combo, position); populateCombo(combo, values); return combo; } public static void populateCombo(ComboBox combo, Object values[]) { if (values == null || values.length == 0) { return; } for (Object value : values) { combo.addItem(value); } combo.select(values[0]); } public static void select(ComboBox combo, Object value) { if (value != null) { combo.select(value); } } public static Button addButton(AbsoluteLayout layout, String caption, String position, String width) { Button button = new Button(caption); button.setWidth(width); layout.addComponent(button, position); return button; } public static AbsoluteLayout addLayout(AbsoluteLayout parent, String id, String position, String width, String height) { AbsoluteLayout layout = new AbsoluteLayout(); layout.setId(id); layout.setWidth(width); layout.setHeight(height); parent.addComponent(layout, position); return layout; } public static Label addLabel(AbsoluteLayout parent, String text, String position, String width) { Label label = new Label(text, ContentMode.HTML); label.setWidth(width); parent.addComponent(label, position); return label; } public static ListSelect addListSelect(AbsoluteLayout parent, String caption, String position, String width) { ListSelect list = new ListSelect(caption); list.setWidth(width); list.setNullSelectionAllowed(false); list.setImmediate(true); parent.addComponent(list, position); return list; } public static TextArea addTextArea(AbsoluteLayout parent, String caption, String position, String width, String height, boolean readOnly) { TextArea textArea = new TextArea(caption); textArea.setWidth(width); textArea.setHeight(height); textArea.setWordwrap(false); textArea.setReadOnly(readOnly); parent.addComponent(textArea, position); return textArea; } public static TextArea addTextArea(AbsoluteLayout parent, String caption, String position, String width, String height) { return addTextArea(parent, caption, position, width, height, false); } }