Java tutorial
/** * Copyright (c) 2011, Thilo Planz. All rights reserved. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package v7cr.vaadin; import v7cr.v7db.SchemaDefinition; import com.vaadin.data.Item; import com.vaadin.data.Property; import com.vaadin.ui.Component; import com.vaadin.ui.Field; import com.vaadin.ui.FormFieldFactory; import com.vaadin.ui.TextField; @SuppressWarnings("serial") public class BSONFormFieldFactory implements FormFieldFactory { private final SchemaDefinition schema; public BSONFormFieldFactory(SchemaDefinition schema) { this.schema = schema; } public Field createField(Item item, Object propertyId, Component uiContext) { Property prop = item.getItemProperty(propertyId); if (prop instanceof BSONProperty) { String caption = schema.getFieldCaption((String) propertyId, uiContext.getLocale()); TextField text = new TextField(prop); if (caption != null) { text.setCaption(caption); } text.setNullRepresentation(""); SchemaDefinition fSchema = schema.getFieldDefinition((String) propertyId); if (fSchema != null && fSchema.isRequired()) text.setRequired(true); return text; } return null; } }