Java tutorial
/** * * ESUP-Portail MONDOSSIERWEB - Copyright (c) 2016 ESUP-Portail consortium * * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package fr.univlorraine.mondossierweb.views; import javax.annotation.PostConstruct; import javax.annotation.Resource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.Scope; import org.springframework.security.access.prepost.PreAuthorize; import org.springframework.stereotype.Component; import com.vaadin.data.Item; import com.vaadin.data.util.BeanItem; import com.vaadin.data.util.BeanItemContainer; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.server.FileDownloader; import com.vaadin.server.FontAwesome; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.spring.annotation.SpringView; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Panel; import com.vaadin.ui.Table; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.ValoTheme; import fr.univlorraine.mondossierweb.MainUI; import fr.univlorraine.mondossierweb.controllers.CalendrierController; import fr.univlorraine.mondossierweb.controllers.ConfigController; import fr.univlorraine.mondossierweb.controllers.EtudiantController; import fr.univlorraine.mondossierweb.controllers.UserController; import fr.univlorraine.mondossierweb.entities.apogee.Examen; import fr.univlorraine.mondossierweb.utils.MyFileDownloader; import fr.univlorraine.mondossierweb.utils.PropertyUtils; /** * Page d'accueil */ @Component @Scope("prototype") @SpringView(name = CalendrierView.NAME) @PreAuthorize("hasRole('consultation_dossier')") public class CalendrierView extends VerticalLayout implements View { private static final long serialVersionUID = -2056224835347802529L; private Logger LOG = LoggerFactory.getLogger(CalendrierView.class); public static final String NAME = "calendrierView"; public static final String[] CAL_FIELDS = { "datedeb", "heure", "duree", "epreuve" }; public static final String[] CAL_FIELDS_AVEC_PLACE = { "datedeb", "heure", "duree", "place", "epreuve" }; public static final String[] CAL_FIELDS_ORDER = { "datedeb", "heure", "duree", "batiment", "salle", "epreuve" }; public static final String[] CAL_FIELDS_ORDER_AVEC_PLACE = { "datedeb", "heure", "duree", "batiment", "salle", "place", "epreuve" }; /* Injections */ @Resource private transient ApplicationContext applicationContext; @Resource private transient UserController userController; @Resource private transient EtudiantController etudiantController; @Resource private transient CalendrierController calendrierController; @Resource private transient ConfigController configController; /** * Initialise la vue */ @PostConstruct public void init() { //On vrifie le droit d'accder la vue if (UI.getCurrent() instanceof MainUI && (userController.isEnseignant() || userController.isEtudiant()) && MainUI.getCurrent() != null && MainUI.getCurrent().getEtudiant() != null) { /* Style */ setMargin(true); setSpacing(true); //Si on n'a pas dj essayer de rcuprer le calendrier if (!MainUI.getCurrent().getEtudiant().isCalendrierRecupere()) { etudiantController.recupererCalendrierExamens(); } /* Titre */ HorizontalLayout titleLayout = new HorizontalLayout(); titleLayout.setWidth("100%"); Label title = new Label(applicationContext.getMessage(NAME + ".title", null, getLocale())); title.addStyleName(ValoTheme.LABEL_H1); titleLayout.addComponent(title); titleLayout.setComponentAlignment(title, Alignment.MIDDLE_LEFT); //Test si on a des diplomes ou des etapes if (MainUI.getCurrent().getEtudiant().getCalendrier() != null && MainUI.getCurrent().getEtudiant().getCalendrier().size() > 0) { Button pdfButton = new Button(); pdfButton.setStyleName(ValoTheme.BUTTON_BORDERLESS_COLORED); pdfButton.addStyleName("button-big-icon"); pdfButton.addStyleName("red-button-icon"); pdfButton.setIcon(FontAwesome.FILE_PDF_O); pdfButton.setDescription( applicationContext.getMessage(NAME + ".btn.pdf.description", null, getLocale())); if (PropertyUtils.isPushEnabled()) { MyFileDownloader fd = new MyFileDownloader(calendrierController.exportPdf()); fd.extend(pdfButton); } else { FileDownloader fd = new FileDownloader(calendrierController.exportPdf()); fd.setOverrideContentType(false); fd.extend(pdfButton); } titleLayout.addComponent(pdfButton); titleLayout.setComponentAlignment(pdfButton, Alignment.MIDDLE_RIGHT); } addComponent(titleLayout); VerticalLayout globalLayout = new VerticalLayout(); globalLayout.setSizeFull(); globalLayout.setSpacing(true); /* Message d'info */ if (applicationContext.getMessage(NAME + ".message.info", null, getLocale()) != null) { Panel panelVue = new Panel(); HorizontalLayout vueLayout = new HorizontalLayout(); vueLayout.setMargin(true); vueLayout.setSpacing(true); vueLayout.setSizeFull(); Label vueLabel = new Label( applicationContext.getMessage(NAME + ".message.info", null, getLocale())); vueLabel.setContentMode(ContentMode.HTML); vueLabel.setStyleName(ValoTheme.LABEL_SMALL); vueLayout.addComponent(vueLabel); vueLayout.setExpandRatio(vueLabel, 1); panelVue.setContent(vueLayout); globalLayout.addComponent(panelVue); } /* Le Calendrier */ Panel panelCalendrier = new Panel( applicationContext.getMessage(NAME + ".calendrier.title", null, getLocale())); panelCalendrier.setSizeFull(); if (MainUI.getCurrent().getEtudiant() != null && MainUI.getCurrent().getEtudiant().getCalendrier() != null && MainUI.getCurrent().getEtudiant().getCalendrier().size() > 0) { BeanItemContainer<Examen> bic = new BeanItemContainer<>(Examen.class, MainUI.getCurrent().getEtudiant().getCalendrier()); Table calendrierTable = new Table(null, bic); calendrierTable.setWidth("100%"); String[] colonnes_to_create = CAL_FIELDS; if (configController.isAffNumPlaceExamen()) { colonnes_to_create = CAL_FIELDS_AVEC_PLACE; } for (String fieldName : colonnes_to_create) { calendrierTable.setColumnHeader(fieldName, applicationContext.getMessage(NAME + ".table." + fieldName, null, getLocale())); } calendrierTable.addGeneratedColumn("batiment", new BatimentColumnGenerator()); calendrierTable.addGeneratedColumn("salle", new SalleColumnGenerator()); calendrierTable.setColumnHeader("batiment", applicationContext.getMessage(NAME + ".table.batiment", null, getLocale())); calendrierTable.setColumnHeader("salle", applicationContext.getMessage(NAME + ".table.salle", null, getLocale())); String[] colonnes_to_display = CAL_FIELDS_ORDER; if (configController.isAffNumPlaceExamen()) { colonnes_to_display = CAL_FIELDS_ORDER_AVEC_PLACE; } calendrierTable.setVisibleColumns((Object[]) colonnes_to_display); calendrierTable.setColumnCollapsingAllowed(true); calendrierTable.setColumnReorderingAllowed(true); calendrierTable.setSelectable(false); calendrierTable.setImmediate(true); calendrierTable.setStyleName("noscrollabletable"); calendrierTable.setPageLength(calendrierTable.getItemIds().size()); panelCalendrier.setContent(calendrierTable); } else { HorizontalLayout labelExamenLayout = new HorizontalLayout(); labelExamenLayout.setMargin(true); labelExamenLayout.setSizeFull(); Label aucunExamen = new Label( applicationContext.getMessage(NAME + ".examen.aucun", null, getLocale())); aucunExamen.setStyleName(ValoTheme.LABEL_COLORED); aucunExamen.addStyleName(ValoTheme.LABEL_BOLD); labelExamenLayout.addComponent(aucunExamen); panelCalendrier.setContent(labelExamenLayout); } globalLayout.addComponent(panelCalendrier); addComponent(globalLayout); } } /** * @see com.vaadin.navigator.View#enter(com.vaadin.navigator.ViewChangeListener.ViewChangeEvent) */ @Override public void enter(ViewChangeEvent event) { } /** Formats the position in a column containing Date objects. */ class BatimentColumnGenerator implements Table.ColumnGenerator { /** * Generates the cell containing the value. The column is * irrelevant in this use case. */ public Object generateCell(Table source, Object itemId, Object columnId) { Item item = source.getItem(itemId); // RECUPERATION DE LA VALEUR BeanItem<Examen> bid = (BeanItem<Examen>) item; Examen ex = (Examen) bid.getBean(); Label libLabel = new Label(); libLabel.setValue(ex.getBatiment()); libLabel.setDescription(ex.getLocalisation()); return libLabel; } } /** Formats the position in a column containing Date objects. */ class SalleColumnGenerator implements Table.ColumnGenerator { /** * Generates the cell containing the value. The column is * irrelevant in this use case. */ public Object generateCell(Table source, Object itemId, Object columnId) { Item item = source.getItem(itemId); // RECUPERATION DE LA VALEUR BeanItem<Examen> bid = (BeanItem<Examen>) item; Examen ex = (Examen) bid.getBean(); Label libLabel = new Label(); libLabel.setValue(ex.getSalle()); libLabel.setDescription(ex.getLibsalle()); return libLabel; } } }