Java tutorial
/** * This file Copyright (c) 2011-2015 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.ui.form.field; import com.vaadin.data.Property; import com.vaadin.ui.CheckBox; import com.vaadin.ui.Component; import com.vaadin.ui.CustomField; /** * A field wrapper for a single CheckBox, supporting the FormLayout-managed (left) caption. */ public class CheckBoxField extends CustomField<Boolean> { private CheckBox checkBox; public CheckBoxField() { checkBox = new CheckBox(); } @Override protected Component initContent() { return checkBox; } @Override public Boolean getValue() { return checkBox.getValue(); } @Override public void setValue(Boolean newValue) throws ReadOnlyException { checkBox.setValue(newValue); } /** * Use this setter for the checkbox caption on the right-hand side; the regular field caption is left for the FormLayout. */ public void setCheckBoxCaption(String caption) { checkBox.setCaption(caption); } @Override public void setPropertyDataSource(Property newDataSource) { checkBox.setPropertyDataSource(newDataSource); } @Override public Property<Boolean> getPropertyDataSource() { return checkBox.getPropertyDataSource(); } @Override public Class<? extends Boolean> getType() { return Boolean.class; } @Override public void addValueChangeListener(Property.ValueChangeListener listener) { checkBox.addValueChangeListener(listener); } }