fr.amapj.view.engine.excelgenerator.TelechargerPopup.java Source code

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Here is the source code for fr.amapj.view.engine.excelgenerator.TelechargerPopup.java

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/*
 *  Copyright 2013-2018 Emmanuel BRUN (contact@amapj.fr)
 * 
 *  This file is part of AmapJ.
 *  
 *  AmapJ 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.
    
 *  AmapJ 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 AmapJ.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * 
 */
package fr.amapj.view.engine.excelgenerator;

import java.util.ArrayList;
import java.util.List;

import com.vaadin.server.FontAwesome;
import com.vaadin.server.StreamResource;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Label;
import com.vaadin.ui.Link;
import com.vaadin.ui.VerticalLayout;

import fr.amapj.service.engine.generator.CoreGenerator;
import fr.amapj.service.engine.generator.CoreGeneratorService;
import fr.amapj.service.engine.generator.FileInfoDTO;
import fr.amapj.view.engine.popup.corepopup.CorePopup;

/**
 * Popup de telechargement
 *  
 */
@SuppressWarnings("serial")
public class TelechargerPopup extends CorePopup {

    static private class Item {
        public CoreGenerator generator;
        public String label;
    }

    private List<Item> items = new ArrayList<>();

    public TelechargerPopup(String popupTitle) {
        this.popupTitle = popupTitle;
    }

    /**
     * 
     * @param popupTitle
     * @param width en pourcentage 
     */
    public TelechargerPopup(String popupTitle, int width) {
        this.popupTitle = popupTitle;
        setWidth(width);
    }

    public void addGenerator(CoreGenerator generator) {
        Item item = new Item();
        item.generator = generator;
        items.add(item);
    }

    public void addSeparator() {
        addLabel("----");
    }

    public void addLabel(String label) {
        Item item = new Item();
        item.label = label;
        items.add(item);
    }

    protected void createContent(VerticalLayout contentLayout) {

        contentLayout.addStyleName("popup-telecharger");

        Label l = new Label("Veuillez cliquer sur le lien du fichier que vous souhaitez tlcharger");
        l.addStyleName("titre");
        contentLayout.addComponent(l);

        // Calcul des liens
        List<CoreGenerator> gs = new ArrayList<CoreGenerator>();
        for (Item item : items) {
            if (item.generator != null) {
                gs.add(item.generator);
            }
        }
        List<FileInfoDTO> fileInfoDTOs = new CoreGeneratorService().getFileInfo(gs);

        // Affichage 
        int i = 0;
        for (Item item : items) {
            if (item.generator != null) {
                FileInfoDTO fileInfoDTO = fileInfoDTOs.get(i);
                addLink(contentLayout, fileInfoDTO);
                i++;
            } else {
                Label lab = new Label(item.label, ContentMode.HTML);
                lab.addStyleName("separateur");
                contentLayout.addComponent(lab);
            }
        }
    }

    private void addLink(VerticalLayout contentLayout, FileInfoDTO fileInfoDTO) {
        String titre = fileInfoDTO.nameToDisplay;
        String fileName = fileInfoDTO.fileName;
        String extension = fileInfoDTO.extension;

        StreamResource streamResource = new StreamResource(new CoreResource(fileInfoDTO.generator),
                fileName + "." + extension);
        streamResource.setCacheTime(1000);

        Link extractFile = new Link(titre, streamResource);
        extractFile.setIcon(FontAwesome.DOWNLOAD);
        extractFile.setTargetName("_blank");

        contentLayout.addComponent(extractFile);
    }

    protected void createButtonBar() {
        addButton("Quitter", new Button.ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                handleAnnuler();
            }
        });
    }

    protected void handleAnnuler() {
        close();
    }

}