Java tutorial
/* * Copyright 2011 Instituto Superior Tecnico * * https://fenix-ashes.ist.utl.pt/ * * This file is part of the vaadin-framework. * * The vaadin-framework Infrastructure is free software: you can * redistribute it and/or modify it under the terms of the GNU Lesser General * Public License as published by the Free Software Foundation, either version * 3 of the License, or (at your option) any later version.* * * vaadin-framework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with vaadin-framework. If not, see <http://www.gnu.org/licenses/>. * */ package pt.ist.vaadinframework.ui; import java.math.BigDecimal; import java.net.URL; import java.util.Collection; import java.util.Date; import org.apache.commons.lang.StringUtils; import org.joda.time.DateTime; import org.joda.time.LocalDate; import pt.ist.fenixframework.pstm.AbstractDomainObject; import pt.ist.vaadinframework.data.AbstractBufferedContainer; import pt.ist.vaadinframework.data.validator.BigDecimalValidator; import pt.ist.vaadinframework.data.validator.ByteValidator; import pt.ist.vaadinframework.data.validator.CharacterValidator; import pt.ist.vaadinframework.data.validator.DoubleValidator; import pt.ist.vaadinframework.data.validator.FloatValidator; import pt.ist.vaadinframework.data.validator.IntegerValidator; import pt.ist.vaadinframework.data.validator.LongValidator; import pt.ist.vaadinframework.data.validator.ShortValidator; import pt.ist.vaadinframework.data.validator.URLValidator; import pt.ist.vaadinframework.ui.fields.ContainerEditor; import pt.ist.vaadinframework.ui.fields.EnumField; import pt.ist.vaadinframework.ui.fields.MultiLanguageStringField; import pt.ist.vaadinframework.ui.fields.PopupDateTimeField; import pt.ist.vaadinframework.ui.fields.PopupLocalDateField; import pt.ist.vaadinframework.ui.fields.PrimitiveField; import pt.utl.ist.fenix.tools.util.i18n.Language; import pt.utl.ist.fenix.tools.util.i18n.MultiLanguageString; import com.vaadin.data.Item; import com.vaadin.data.Property; import com.vaadin.terminal.Sizeable; import com.vaadin.ui.CheckBox; import com.vaadin.ui.Component; import com.vaadin.ui.DateField; import com.vaadin.ui.Field; import com.vaadin.ui.Form; import com.vaadin.ui.OptionGroup; import com.vaadin.ui.Select; import com.vaadin.ui.TextField; /** * @author Pedro Santos (pedro.miguel.santos@ist.utl.pt) * */ public class DefaultFieldFactory extends AbstractFieldFactory { public DefaultFieldFactory(String bundlename) { super(bundlename); } /** * @see pt.ist.vaadinframework.ui.AbstractFieldFactory#makeField(com.vaadin.data.Item, java.lang.Object, * com.vaadin.ui.Component) */ @Override protected Field makeField(Item item, Object propertyId, Component uiContext) { Class<?> type = item.getItemProperty(propertyId).getType(); if (String.class.isAssignableFrom(type)) { TextField field = new TextField(); field.setNullSettingAllowed(true); field.setNullRepresentation(StringUtils.EMPTY); return field; } if (Collection.class.isAssignableFrom(type) && item.getItemProperty(propertyId) instanceof AbstractBufferedContainer) { return new ContainerEditor<Object>(this, bundlename, ((AbstractBufferedContainer<?, ?, ?>) item.getItemProperty(propertyId)).getElementType()); } if (AbstractDomainObject.class.isAssignableFrom(type)) { Select select = new Select(); select.setWidth(100, Sizeable.UNITS_PERCENTAGE); select.setImmediate(true); return select; } if (Collection.class.isAssignableFrom(type)) { OptionGroup group = new OptionGroup(); group.setMultiSelect(true); group.setWidth(100, Sizeable.UNITS_PERCENTAGE); group.setImmediate(true); return group; } if (Byte.class.isAssignableFrom(type)) { return new PrimitiveField(new ByteValidator(), Byte.toString(Byte.MAX_VALUE).length() + 1); } if (Short.class.isAssignableFrom(type)) { return new PrimitiveField(new ShortValidator(), Short.toString(Short.MAX_VALUE).length() + 1); } if (Integer.class.isAssignableFrom(type)) { return new PrimitiveField(new IntegerValidator(), Integer.toString(Integer.MAX_VALUE).length() + 1); } if (Long.class.isAssignableFrom(type)) { return new PrimitiveField(new LongValidator(), Long.toString(Long.MAX_VALUE).length() + 1); } if (Float.class.isAssignableFrom(type)) { return new PrimitiveField(new FloatValidator(), Float.toString(Float.MAX_VALUE).length() + 1); } if (Double.class.isAssignableFrom(type)) { return new PrimitiveField(new DoubleValidator(), Double.toString(Double.MAX_VALUE).length() + 1); } if (Boolean.class.isAssignableFrom(type)) { return new CheckBox(); } if (Character.class.isAssignableFrom(type)) { return new PrimitiveField(new CharacterValidator(), 1); } if (BigDecimal.class.isAssignableFrom(type)) { return new PrimitiveField(new BigDecimalValidator(), -1); } if (Enum.class.isAssignableFrom(type)) { return new EnumField((Class<? extends Enum<?>>) item.getItemProperty(propertyId).getType()); } if (Date.class.isAssignableFrom(type)) { DateField field = new DateField(); field.setResolution(DateField.RESOLUTION_DAY); return field; } if (Item.class.isAssignableFrom(type)) { Form form = new Form() { @Override public void setPropertyDataSource(Property newDataSource) { setItemDataSource((Item) newDataSource); }; }; form.setImmediate(true); form.setFormFieldFactory(this); return form; } if (MultiLanguageString.class.isAssignableFrom(type)) { return new MultiLanguageStringField(bundlename, Language.pt, Language.en); } if (DateTime.class.isAssignableFrom(type)) { PopupDateTimeField field = new PopupDateTimeField(); field.setResolution(DateField.RESOLUTION_SEC); return field; } if (LocalDate.class.isAssignableFrom(type)) { PopupLocalDateField field = new PopupLocalDateField(); field.setResolution(DateField.RESOLUTION_DAY); return field; } if (URL.class.isAssignableFrom(type)) { TextField field = new TextField(); field.setNullSettingAllowed(true); field.setNullRepresentation(StringUtils.EMPTY); field.addValidator(new URLValidator()); return field; } Select select = new Select(); select.setWidth(100, Sizeable.UNITS_PERCENTAGE); select.setImmediate(true); return select; } }