DataTplNestedList.cs
//
// This code is part of GrapeCity Documents for Word samples.
// Copyright (c) GrapeCity, Inc. All rights reserved.
//
using System;
using System.IO;
using System.Drawing;
using System.Collections.Generic;
using System.Linq;
using GrapeCity.Documents.Word;

namespace GcWordWeb.Samples
{
    // This sample uses data templates to print the list of sea names
    // from a simple hierarchical data source.
    public class DataTplNestedList
    {

        public GcWordDocument CreateDocx()
        {
            // The data source (ocean and sea data from Wikipedia):
            var oceans = new[]
            {
                new { name = "Pacific", areaOfWorldOcean = 0.466, volumeOfWorldOcean = 0.501, seas = new[]
                    { new {name = "Australasian Mediterranean Sea" }, new { name = "Philippine Sea" }, new { name = "Coral Sea" }, new { name = "South China Sea"}  }
                },
                new { name = "Atlantic", areaOfWorldOcean = 0.235, volumeOfWorldOcean = 0.233, seas = new[]
                    { new {name = "Sargasso Sea" }, new { name = "Caribbean Sea" }, new { name = "Mediterranean Sea" }, new { name = "Gulf of Guinea" } }
                },
                new { name = "Indian", areaOfWorldOcean = 0.195, volumeOfWorldOcean = 0.198, seas = new[]
                    { new {name = "Arabian Sea" }, new { name = "Bay of Bengal" }, new { name = "Andaman Sea" }, new { name = "Laccadive Sea" } }
                },
                new { name = "Southern", areaOfWorldOcean = 0.061, volumeOfWorldOcean = 0.054, seas = new[]
                    { new {name = "Weddell Sea" }, new { name = "Somov Sea" }, new { name = "Riiser-Larsen Sea" }, new { name = "Lazarev Sea" } }
                },
                new { name = "Arctic", areaOfWorldOcean = 0.043, volumeOfWorldOcean = 0.014, seas = new[]
                    { new {name = "Barents Sea" }, new { name = "Greenland Sea" }, new { name = "East Siberian Sea" }, new { name = "Kara Sea" } }
                },
            };

            var doc = new GcWordDocument();

            // Add the data source to the data template data sources
            // (note that in this release, only one data source can be added):
            doc.DataTemplate.DataSources.Add("ds", oceans);

            // Add list templates for the two-level list:
            var listTplTop = doc.ListTemplates.Add(BuiltInListTemplateId.NumberArabicParenthesis, "listTplTop");
            var listTplNested = doc.ListTemplates.Add(BuiltInListTemplateId.BulletDefault, "listTplNested");

            // Print 'ocean - area % of world ocean' at the top list level:
            var p1 = doc.Body.Paragraphs.Add("{{#ds}}{{name}} - {{areaOfWorldOcean}:format(0.#%)}");
            p1.ListFormat.Template = listTplTop;
            // Print the ocean's largest sea names as the nested list:
            var p2 = doc.Body.Paragraphs.Add("{{seas.name}}{{/ds}}");
            p2.ListFormat.Template = listTplNested;
            p2.ListFormat.LevelNumber = 1;

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

            // Done:
            return doc;
        }
    }
}