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.esofthead.mycollab.module.crm.view.campaign; import com.esofthead.mycollab.module.crm.domain.CampaignWithBLOBs; import com.esofthead.mycollab.module.crm.domain.SimpleCampaign; import com.esofthead.mycollab.module.crm.service.CampaignService; import com.esofthead.mycollab.spring.ApplicationContextUtil; import com.esofthead.mycollab.vaadin.AppContext; import com.esofthead.mycollab.vaadin.ui.FieldSelection; import com.esofthead.mycollab.vaadin.ui.UIConstants; import com.vaadin.data.Property; import com.vaadin.server.FontAwesome; import com.vaadin.ui.*; import org.vaadin.maddon.layouts.MHorizontalLayout; /** * @author MyCollab Ltd. * @since 1.0 */ @SuppressWarnings("serial") 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); } else { super.setPropertyDataSource(newDataSource); } } @Override public void setValue(Integer value) { this.setCampaignByVal(value); super.setValue(value); } private void setCampaignByVal(Integer campaignId) { CampaignService campaignService = ApplicationContextUtil.getSpringBean(CampaignService.class); SimpleCampaign campaign = campaignService.findById(campaignId, AppContext.getAccountId()); if (campaign != null) { setInternalCampaign(campaign); } } private void setInternalCampaign(SimpleCampaign campaign) { this.internalValue = campaign; campaignName.setValue(internalValue.getCampaignname()); } @Override protected Component initContent() { MHorizontalLayout layout = new MHorizontalLayout().withWidth("100%"); layout.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT); Button browseBtn = new Button(null, FontAwesome.ELLIPSIS_H); browseBtn.addStyleName(UIConstants.THEME_GRAY_LINK); browseBtn.addStyleName(UIConstants.BUTTON_SMALL_PADDING); browseBtn.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent clickEvent) { CampaignSelectionWindow campaignWindow = new CampaignSelectionWindow(CampaignSelectionField.this); UI.getCurrent().addWindow(campaignWindow); campaignWindow.show(); } }); Button clearBtn = new Button(null, FontAwesome.TRASH_O); clearBtn.addStyleName(UIConstants.THEME_GRAY_LINK); clearBtn.addStyleName(UIConstants.BUTTON_SMALL_PADDING); clearBtn.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent clickEvent) { campaignName.setValue(""); internalValue = null; } }); 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()); setInternalValue(data.getId()); } } }