Java tutorial
/* * The MIT License * * Copyright 2014 exsio. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package pl.exsio.frameset.vaadin.ui.support.component; import com.vaadin.server.FontAwesome; import com.vaadin.ui.ComboBox; import com.vaadin.ui.OptionGroup; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; /** * * @author exsio */ public class ComponentFactory { public static ComboBox createIconComboBox(String caption) throws UnsupportedOperationException { ComboBox icon = new ComboBox(); List iconsList = Arrays.asList(FontAwesome.class.getEnumConstants()); Collections.sort(iconsList, new Comparator<FontAwesome>() { @Override public int compare(FontAwesome o1, FontAwesome o2) { return o1.toString().compareTo(o2.toString()); } }); for (Object object : iconsList) { icon.addItem(object); icon.setItemIcon(object, (FontAwesome) object); } icon.setCaption(caption); return icon; } public static ComboBox createEnumComboBox(String caption, Class<? extends Enum> target) { ComboBox combo = new ComboBox(); List list = Arrays.asList(target.getEnumConstants()); Collections.sort(list, new Comparator() { @Override public int compare(Object o1, Object o2) { return o1.toString().compareTo(o2.toString()); } }); for (Object object : list) { combo.addItem(object); } combo.setCaption(caption); return combo; } public static ComboBox createEnumComboBox(Class<? extends Enum> target, boolean sort) { ComboBox combo = new ComboBox(); List list = Arrays.asList(target.getEnumConstants()); if (sort) { ComponentFactory.sortEnum(list); } for (Object object : list) { combo.addItem(object); } return combo; } public static OptionGroup createEnumOptionGroup(Class<? extends Enum> target, boolean sort) { OptionGroup options = new OptionGroup(); List list = Arrays.asList(target.getEnumConstants()); if (sort) { ComponentFactory.sortEnum(list); } for (Object object : list) { options.addItem(object); } return options; } public static List sortEnum(List list) { Collections.sort(list, new Comparator() { @Override public int compare(Object o1, Object o2) { return o1.toString().compareTo(o2.toString()); } }); return list; } }