Java tutorial
/** * This file is part of mycollab-ui. * * mycollab-ui is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-ui 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-ui. If not, see <http://www.gnu.org/licenses/>. */ /** * This file is part of mycollab-web. * * mycollab-web is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-web 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.vaadin.ui; import java.util.List; import com.esofthead.mycollab.common.domain.Currency; import com.esofthead.mycollab.common.service.CurrencyService; import com.esofthead.mycollab.spring.ApplicationContextUtil; import com.vaadin.data.Property; import com.vaadin.data.Validator.InvalidValueException; import com.vaadin.ui.AbstractSelect.ItemCaptionMode; import com.vaadin.ui.ComboBox; import com.vaadin.ui.Component; import com.vaadin.ui.CustomField; /** * * @author MyCollab Ltd. * @since 2.0 * */ public class CurrencyComboBoxField extends CustomField<Integer> { private static final long serialVersionUID = 1L; private ComboBox currencyBox; public CurrencyComboBoxField() { super(); currencyBox = new ComboBox(); currencyBox.setItemCaptionMode(ItemCaptionMode.EXPLICIT); CurrencyService currencyService = ApplicationContextUtil.getSpringBean(CurrencyService.class); List<Currency> currencyList = currencyService.getCurrencies(); for (Currency currency : currencyList) { currencyBox.addItem(currency.getId()); currencyBox.setItemCaption(currency.getId(), currency.getShortname() + " (" + currency.getSymbol() + ")"); } } @Override protected Component initContent() { return currencyBox; } @Override public Class<? extends Integer> getType() { return Integer.class; } @Override public void setPropertyDataSource(Property newDataSource) { Object value = newDataSource.getValue(); if (value instanceof Integer) { currencyBox.setValue(value); } super.setPropertyDataSource(newDataSource); } @Override public void commit() throws SourceException, InvalidValueException { Integer value = (Integer) currencyBox.getValue(); this.setInternalValue(value); super.commit(); } }