net.scran24.admin.client.DownloadMissingFoods.java Source code

Introduction

Here is the source code for net.scran24.admin.client.DownloadMissingFoods.java

Source

/*
This file is part of Intake24.
    
 Crown copyright, 2012, 2013, 2014.
    
This software is licensed under the Open Government Licence 3.0:
    
http://www.nationalarchives.gov.uk/doc/open-government-licence/
*/

package net.scran24.admin.client;

import java.util.Date;

import net.scran24.common.client.EmbeddedData;
import net.scran24.common.client.WidgetFactory;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.datepicker.client.DatePicker;

public class DownloadMissingFoods extends Composite {
    final DatePicker dateFrom;
    final DatePicker dateTo;

    public DownloadMissingFoods() {
        final FlowPanel contents = new FlowPanel();

        HorizontalPanel hpanel = new HorizontalPanel();

        hpanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_TOP);
        hpanel.setSpacing(10);

        dateFrom = new DatePicker();
        dateTo = new DatePicker();

        hpanel.add(new Label("From:"));
        hpanel.add(dateFrom);
        hpanel.add(new Label("To:"));
        hpanel.add(dateTo);

        final long day = 24 * 60 * 60 * 1000;

        final Button downloadMissingFoods = WidgetFactory.createButton("Download missing foods report",
                new ClickHandler() {
                    @Override
                    public void onClick(ClickEvent event) {
                        long timeFrom = dateFrom.getValue().getTime();
                        long timeTo = dateTo.getValue().getTime() + day;

                        String url = GWT.getModuleBaseURL() + "../admin/downloadMissingFoods?timeFrom="
                                + Long.toString(timeFrom) + "&timeTo=" + Long.toString(timeTo);
                        Window.open(url, "_blank", "status=0,toolbar=0,menubar=0,location=0");
                    }
                });

        downloadMissingFoods.getElement().addClassName("scran24-admin-button");

        downloadMissingFoods.setEnabled(false);

        dateFrom.addValueChangeHandler(new ValueChangeHandler<Date>() {
            @Override
            public void onValueChange(ValueChangeEvent<Date> event) {
                if (event.getValue() != null && dateTo.getValue() != null) {
                    downloadMissingFoods.setEnabled(false);
                }

            }
        });

        dateTo.addValueChangeHandler(new ValueChangeHandler<Date>() {
            @Override
            public void onValueChange(ValueChangeEvent<Date> event) {
                if (event.getValue() != null && dateFrom.getValue() != null) {
                    downloadMissingFoods.setEnabled(true);
                }
            }
        });

        contents.add(hpanel);
        contents.add(WidgetFactory.createButtonsPanel(downloadMissingFoods));

        initWidget(contents);
    }
}