//
// This code is part of Document Solutions for Word demos.
// Copyright (c) MESCIUS inc. All rights reserved.
//
using System;
using System.IO;
using System.Drawing;
using System.Collections.Generic;
using System.Linq;
using System.Globalization;
using GrapeCity.Documents.Word;

namespace DsWordWeb.Demos
{
    // This sample is similar to DataTplSimpleList
    // but uses a JSON data source to generate
    // the list of ocean seas.
    public class DataTplSimpleListJson
    {
        public GcWordDocument CreateDocx()
        {
            var doc = new GcWordDocument();

            // The JSON data source is loaded from oceans.json:
            using (var oceans = File.OpenRead(Path.Combine("Resources", "data", "oceans.json")))
                doc.DataTemplate.DataSources.Add("ds", oceans);

            // Add a list template so that the data is formatted as a list:
            var myListTemplate = doc.ListTemplates.Add(BuiltInListTemplateId.BulletDefault, "myListTemplate");

            // The single paragraph added to the document contains template tags:
            // - {{#ds}}..{{/ds}} -- root template, 'ds' is the name of the data source;
            // - {ds.seas.name} -- fetches the sea name;
            // - :toupper() -- uppercases the data:
            var p = doc.Body.Paragraphs.Add("{{#ds}}{{ds.seas.name}:toupper()}{{/ds}}", doc.Styles[BuiltInStyleId.ListParagraph]);
            p.ListFormat.Template = myListTemplate;

            // This call expands all data templates in the document,
            // replacing template tags with data (iterating over all data items):
            doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));

            // Done:
            return doc;
        }
    }
}