//// This code is part of Document Solutions for Word demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.Globalization;using GrapeCity.Documents.Word;
namespace DsWordWeb.Demos{    // This example demonstrates the available text functions " +    // that can be used with the 'calc' report templates feature " +    // to perform various operations on strings." +    // For example, to insert the concatenation of three text data fields, " +    // the template '{{calc Concat(ds.a, ds.b, ds.c)}}' can be used. " +    // The data source used in this demo contains a single record " +    // with random string values. " +    public class DataTplCalcText    {        public GcWordDocument CreateDocx()        {            const int MinLen = 5;            var rnd = Util.NewRandom();            int next()            {                return rnd.Next(1, 5);            }
            string nextWord()            {                for (int i = 0; i < 50; ++i)                {                    var t = Util.LoremIpsumWord();                    if (t.Length >= MinLen)                        return t;                }                return "lorem";            }
            // Generate a simple data source with random string and numeric data:            var data = new[]            {                new { a = nextWord(), b = nextWord(), c = nextWord(), n = next(), q = nextWord() + "\"" + nextWord()},            };
            var doc = new GcWordDocument();            doc.Body.Sections.First.PageSetup.Margin.Top = 36;            doc.Body.Sections.First.PageSetup.Margin.Bottom = 36;            doc.Body.Sections.First.PageSetup.Margin.Left = 36;            doc.Body.Sections.First.PageSetup.Margin.Right = 36;            var paras = doc.Body.Paragraphs;
            // Add the data source:            doc.DataTemplate.DataSources.Add("ds", data);
            // Styles and templates to show results:            var bulletListTemplate = doc.ListTemplates.Add(BuiltInListTemplateId.BulletDefault, "bulletListTemplate");            var exStyle = doc.Styles[BuiltInStyleId.Heading3];            exStyle.ParagraphFormat.TabStops.Add(110);            var resStyle = doc.Styles[BuiltInStyleId.Strong];
            add("Data field a", "{{ds.a}}");            add("Data field b", "{{ds.b}}");            add("Data field c", "{{ds.c}}");            add("Data field n", "{{ds.n}}");            add("Data field q", "{{ds.q}}"); // q is used to show how to handle double quotes in string functions
            add("Asc", "{{calc Asc(ds.a)}}");            add("Concat", "{{calc Concat(ds.a, ds.b, ds.c)}}");            add("Contains", "{{calc Contains(ds.a, \"s\")}}");            add("Contains '\"'", "{{calc Contains(ds.q, Chr(34))}}");            add("EndsWith", "{{calc EndsWith(ds.a, \"s\")}}");            add("Insert", "{{calc Insert(ds.a, ds.n, ds.b)}}");            add("InStr", "{{calc InStr(ds.a, \"s\")}}");            add("InStr", "{{calc InStr(ds.a, \"s\", ds.n)}}");            add("LCase", "{{calc LCase(\"Lorem Ipsum!\")}}");            add("Len", "{{calc Len(ds.a)}}");            add("LSet", "{{calc LSet(ds.a, 12)}}");            add("LSet", "{{calc LSet(ds.a, 12, \"!\")}}");            add("Mid", "{{calc Mid(ds.a, 2)}}");            add("Mid", "{{calc Mid(ds.a, 2, 1)}}");            add("Remove", "{{calc Remove(ds.a, 2)}}");            add("Remove", "{{calc Remove(ds.a, 2, 1)}}");            add("Replace", "{{calc Replace(\"loremipsumlobortis\", \"lorem\", \"ipsum\")}}");            add("Replace \"'\"", "{{calc Replace(ds.q, Chr(34), \"-\")}}");            add("RSet", "{{calc RSet(ds.a, 12)}}");            add("RSet", "{{calc RSet(ds.a, 12, \"!\")}}");            add("StartsWith", "{{calc StartsWith(ds.a, \"s\")}}");            add("StrReverse", "{{calc StrReverse(ds.a)}}");            add("Trim", "{{calc Trim(\"  Lorem Ipsum  \")}}");            add("UCase", "{{calc UCase(\"Lorem Ipsum!\")}}");
            // Process the templates:            doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));
            // Add a short note describing the demo at the top of the document:            paras.Insert(                "This example demonstrates the available text functions " +                "that can be used with the 'calc' report templates feature " +                "to perform various operations on strings." +                "For example, to insert the concatenation of three text data fields, " +                "the template '{{calc Concat(ds.a, ds.b, ds.c)}}' can be used. " +                "The data source used in this demo contains a single record " +                "with random string and numeric values shown by the first items in the list below. " +                "Please see this sample source code for full details.",                InsertLocation.Start);            paras.Insert("Report templates: available calc operators", doc.Styles[BuiltInStyleId.Heading1], InsertLocation.Start);
            // Done:            return doc;
            void add(string caption, string expr)            {                // \x200B is a zero-width space used to prevent template expansion:                paras.Add(caption + "\t" + expr.Insert(1, "​​​\x200B") + " :  ", exStyle).ListFormat.Template = bulletListTemplate;                paras.Last.GetRange().Runs.Add(expr, resStyle);            }        }    }}