fr.amapj.view.views.common.gapviewer.MonthViewer.java Source code

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Here is the source code for fr.amapj.view.views.common.gapviewer.MonthViewer.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.views.common.gapviewer;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.lang.StringUtils;

import com.vaadin.server.FontAwesome;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

import fr.amapj.common.DateUtils;
import fr.amapj.common.periode.TypPeriode;
import fr.amapj.view.engine.popup.PopupListener;
import fr.amapj.view.engine.tools.BaseUiTools;

/**
 * Permet de crer un bloc permettant la gestion d'un calendrier mois / mois
 *
 */
public class MonthViewer implements AbstractGapViewer {

    private SimpleDateFormat df1 = new SimpleDateFormat("MMMMM yyyy");
    private SimpleDateFormat df2 = new SimpleDateFormat("MM/yy");

    private Label titre;

    private Date date;

    private PopupListener listener;

    public MonthViewer(PopupListener listener) {
        date = DateUtils.getDate();
        date = DateUtils.firstDayInMonth(date);
        this.listener = listener;
    }

    /**
     * @return 
     * 
     */
    public VerticalLayout getComponent() {
        VerticalLayout vl = new VerticalLayout();
        vl.setMargin(false);
        vl.setSpacing(false);
        vl.addStyleName("semaine-viewer");

        // Bandeau avec les boutons droit / gauche 
        HorizontalLayout hl1 = new HorizontalLayout();
        hl1.setWidth("100%");

        addButton(false, hl1, e -> reculer());

        Label empty = new Label();
        hl1.addComponent(empty);
        hl1.setExpandRatio(empty, 1.0f);

        addButton(true, hl1, e -> avancer());

        vl.addComponent(hl1);

        // Bandeau avec la date du mois visualise
        titre = new Label();
        hl1.addStyleName("titre");
        titre.setSizeUndefined();
        vl.addComponent(titre);
        vl.setComponentAlignment(titre, Alignment.MIDDLE_CENTER);

        updateTitreValue();

        return vl;

    }

    private void avancer() {
        date = DateUtils.addMonth(date, 1);
        updateTitreValue();
        listener.onPopupClose();

    }

    private void reculer() {
        date = DateUtils.addMonth(date, -1);
        updateTitreValue();
        listener.onPopupClose();

    }

    private void addButton(boolean toRight, HorizontalLayout layout, ClickListener listener) {
        String str;
        if (BaseUiTools.isWidthBelow(480)) {
            if (toRight) {
                str = "SUIVANT";
            } else {
                str = "PRECEDENT";
            }
        } else {
            if (toRight) {
                str = "MOIS SUIVANT";
            } else {
                str = "MOIS PRECEDENT";
            }
        }

        Button b = new Button(str);
        b.addClickListener(listener);

        if (toRight) {
            b.setIcon(FontAwesome.ANGLE_DOUBLE_RIGHT);
            b.addStyleName("icon-align-right");
            b.addStyleName("large");
        } else {
            b.setIcon(FontAwesome.ANGLE_DOUBLE_LEFT);
            b.addStyleName("large");
        }

        b.addStyleName("fleche");

        layout.addComponent(b);

    }

    private void updateTitreValue() {

        SimpleDateFormat dfx = BaseUiTools.isWidthBelow(480) ? df2 : df1;
        titre.setValue(StringUtils.capitalize(dfx.format(getDateDebut())));
    }

    public Date getDateDebut() {
        return date;
    }

    public Date getDateFin() {
        Date fin = DateUtils.addMonth(date, 1);
        fin = DateUtils.addDays(fin, -1);
        return fin;
    }

    @Override
    public TypPeriode getTypPeriode() {
        return TypPeriode.MOIS;
    }
}