//
// 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 example demonstrates the available binary and unary operators
// that can be used with the 'calc' report templates feature
// to perform various operations on data.
// For example, to insert the remainder of the division of two data fields,
// the template '{{calc ds.a Mod ds.b)}}' can be used.
// The data source used in this demo contains a single record
// with random decimal and string values.
public class DataTplCalcOps
{
public GcWordDocument CreateDocx()
{
var rnd = Util.NewRandom();
decimal next()
{
return new decimal(Math.Round((double)rnd.Next(1, 1000000) / rnd.Next(1, 100), 2));
}
// Generate a sample data source with a single record of random data:
var data = new[]
{
new { a = next(), b = next(), ta = Util.LoremIpsumWord(), tb = Util.LoremIpsumWord() },
};
var doc = new GcWordDocument();
// Add the data source:
doc.DataTemplate.DataSources.Add("ds", data);
var paras = doc.Body.Paragraphs;
// Styles and templates to show results:
var bulletListTemplate = doc.ListTemplates.Add(BuiltInListTemplateId.BulletDefault, "bulletListTemplate");
var exStyle = doc.Styles[BuiltInStyleId.Heading3];
exStyle.ParagraphFormat.TabStops.Add(130);
exStyle.ParagraphFormat.TabStops.Add(260);
var resStyle = doc.Styles[BuiltInStyleId.Strong];
add("Data", "{{ds.a}}");
add("Data", "{{ds.b}}");
add("Data", "{{ds.ta}}");
add("Data", "{{ds.tb}}");
add("Add", "{{calc ds.a + ds.b}}");
add("Subtract", "{{calc ds.a - ds.b}}");
add("Multiply", "{{calc ds.a * ds.b}}");
add("Divide", "{{calc ds.a / ds.b}}");
add("Modulus", "{{calc ds.a Mod ds.b}}");
add("Concatenate", "{{calc ds.ta & ds.tb}}");
add("Equal", "{{calc ds.a = ds.b}}");
add("Not equal", "{{calc ds.a <> ds.b}}");
add("Greater than", "{{calc ds.a > ds.b}}");
add("Greater or equal", "{{calc ds.a >= ds.b}}");
add("Less than", "{{calc ds.a < ds.b}}");
add("Less or equal", "{{calc ds.a <= ds.b}}");
add("Logical And", "{{calc ds.a And ds.b}}");
add("Logical Or", "{{calc ds.a Or ds.b}}");
add("Logical Not", "{{calc Not ds.a}}");
// 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 binary and unary operators " +
"that can be used with the 'calc' report templates feature " +
"to perform various operations on data." +
"For example, to insert the remainder of the division of two data fields, " +
"the template '{{calc ds.a Mod ds.b)}}' can be used. " +
"The data source used in this demo contains a single record " +
"with random decimal and string values. " +
"Please see this example's source code for full details.",
InsertLocation.Start);
paras.Insert("Report templates: 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") + ":\t", exStyle).ListFormat.Template = bulletListTemplate;
paras.Last.GetRange().Runs.Add(expr, resStyle);
}
}
}
}