Java tutorial
/** * 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.mycollab.module.crm.view.campaign; import com.mycollab.module.crm.domain.CampaignWithBLOBs; import com.mycollab.module.crm.domain.SimpleCampaign; import com.mycollab.module.crm.service.CampaignService; import com.mycollab.spring.AppContextUtil; import com.mycollab.vaadin.MyCollabUI; import com.mycollab.vaadin.ui.FieldSelection; import com.mycollab.vaadin.web.ui.WebThemes; import com.vaadin.data.Property; import com.vaadin.data.Validator; import com.vaadin.server.FontAwesome; import com.vaadin.ui.*; import org.vaadin.viritin.button.MButton; import org.vaadin.viritin.layouts.MHorizontalLayout; /** * @author MyCollab Ltd. * @since 1.0 */ public class CampaignSelectionField extends CustomField<Integer> implements FieldSelection<CampaignWithBLOBs> { private CampaignWithBLOBs internalValue = new CampaignWithBLOBs(); private TextField campaignName = new TextField(); @Override public void setPropertyDataSource(Property newDataSource) { Object value = newDataSource.getValue(); if (value instanceof Integer) { setCampaignByVal((Integer) value); } super.setPropertyDataSource(newDataSource); } @Override public void commit() throws SourceException, Validator.InvalidValueException { if (internalValue != null) { setInternalValue(internalValue.getId()); } else { setInternalValue(null); } super.commit(); } private void setCampaignByVal(Integer campaignId) { CampaignService campaignService = AppContextUtil.getSpringBean(CampaignService.class); SimpleCampaign campaign = campaignService.findById(campaignId, MyCollabUI.getAccountId()); if (campaign != null) { this.internalValue = campaign; campaignName.setValue(internalValue.getCampaignname()); } } @Override protected Component initContent() { MHorizontalLayout layout = new MHorizontalLayout().withFullWidth(); layout.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT); MButton browseBtn = new MButton("", clickEvent -> { CampaignSelectionWindow campaignWindow = new CampaignSelectionWindow(CampaignSelectionField.this); UI.getCurrent().addWindow(campaignWindow); campaignWindow.show(); }).withIcon(FontAwesome.ELLIPSIS_H).withStyleName(WebThemes.BUTTON_OPTION, WebThemes.BUTTON_SMALL_PADDING); MButton clearBtn = new MButton("", clickEvent -> { campaignName.setValue(""); internalValue = null; }).withIcon(FontAwesome.TRASH_O).withStyleName(WebThemes.BUTTON_OPTION, WebThemes.BUTTON_SMALL_PADDING); layout.with(campaignName, browseBtn, clearBtn).expand(campaignName); return layout; } @Override public Class<Integer> getType() { return Integer.class; } @Override public void fireValueChange(CampaignWithBLOBs data) { this.internalValue = data; if (internalValue != null) { campaignName.setValue(internalValue.getCampaignname()); } } }