//// This code is part of Document Solutions for Word demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System;using System.Drawing;using GrapeCity.Documents.Word;
namespace DsWordWeb.Demos{    // This sample demonstrates how to add content controls to a document.    public class ContentControls    {        public GcWordDocument CreateDocx()        {            var doc = new GcWordDocument();            // Heading:            var p = doc.Body.Paragraphs.Add("Content Control Examples");            p.Style = doc.Styles[BuiltInStyleId.Heading1];            p = doc.Body.Paragraphs.Add(                "Below are some examples of content controls. Open the document in MS Word to see the controls in action.");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            //            // ContentControlType.DropdownList:            //            p = doc.Body.Paragraphs.Add("ContentControlType.DropdownList");            p.Style = doc.Styles[BuiltInStyleId.Heading2];            p = doc.Body.Paragraphs.Add("Select a fruit from the dropdown list control: ");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            var dropDownListCtrl = p.GetRange().ContentControls.Add(ContentControlType.DropdownList, false);            dropDownListCtrl.DropDownItems.Add(new DropDownItem("apple", "Apples"));            dropDownListCtrl.DropDownItems.Add(new DropDownItem("orange", "Oranges"));            dropDownListCtrl.DropDownItems.Add(new DropDownItem("banana", "Bananas"));            dropDownListCtrl.DropDownItems.Add(new DropDownItem("pear", "Pears"));
            // Add placeholder to the building blocks gallery:            BuildingBlock dropDownPlaceholder = doc.GlossaryDocument.BuildingBlocks.Add("dropdownlist-placeholder", "General",                type: BuildingBlockType.ContentControlPlaceholder);
            //set placeholder text            Paragraph pp = dropDownPlaceholder.Body.Paragraphs.Add("Click to pick");            //apply style to placeholder element            pp.GetRange().Runs.First.Style = p.ParentBody.Document.Styles[BuiltInStyleId.Strong];            //...and change its color            pp.GetRange().Runs.First.Font.Color.RGB = Color.DarkSeaGreen;
            p.GetRange().Runs.Add(" The green 'Click to pick' text on the left is a placeholder, replaced with the picked fruit when you've selected one.");
            // Set control border color:            dropDownListCtrl.Color.RGB = Color.OrangeRed;            // Set control text color:            dropDownListCtrl.Font.Color.RGB = Color.DarkOrange;
            // Use building blocks placeholder on the DropDownList contentControl.                       dropDownListCtrl.ShowingPlaceholderText = true;            dropDownListCtrl.PlaceholderText = dropDownPlaceholder;
            //            //  ContentControlType.Text            //            p = doc.Body.Paragraphs.Add("ContentControlType.Text");            p.Style = doc.Styles[BuiltInStyleId.Heading2];            p = doc.Body.Paragraphs.Add("ContentControlType.Text allows entering a single run of text in the control. " +                "All text in a Text control has the same formatting. In this case we use 'Block Text' paragraph style.");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            var textCtrl = doc.Body.ContentControls.Add(ContentControlType.Text, false);            p = textCtrl.Content.GetRange().Paragraphs.Add(                "This is the default content of the only run in the only paragraph in a Text content control.",                doc.Styles[BuiltInStyleId.BlockText]);
            // This code demonstrates that only one paragraph, and only one run in it,            // can exist in a Text control. Both statements under 'try' clauses will fail:            try            {                textCtrl.Content.GetRange().Paragraphs.Add("Another paragraph (cannot be added).");            }            catch (InvalidContentControlSingleChildException)            {                Console.WriteLine("Cannot have more than one paragraph to a Text content control.");            }            try            {                p.GetRange().Runs.Add("Another run (cannot be added).");            }            catch (InvalidContentControlSingleChildException)            {                Console.WriteLine("Cannot have more than one run to a Text content control.");            }
            //            // ContentControlType.RichText            //            p = doc.Body.Paragraphs.Add("ContentControlType.RichText");            p.Style = doc.Styles[BuiltInStyleId.Heading2];            p = doc.Body.Paragraphs.Add("ContentControlType.RichText allows having multiple paragraphs, with multiple runs, " +                "in a single RichText content control.");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            var richtext = doc.Body.ContentControls.Add(ContentControlType.RichText, false);            var p1 = richtext.Content.GetRange().Paragraphs.Add("First paragraphs in the ");            p1.GetRange().Runs.Add("RichText ", doc.Styles[BuiltInStyleId.Strong]);            p1.GetRange().Runs.Add("content control.");            var p2 = richtext.Content.GetRange().Paragraphs.Add("Second paragraphs in the ");            p2.GetRange().Runs.Add("RichText ", doc.Styles[BuiltInStyleId.Strong]);            p2.GetRange().Runs.Add("content control.");
            p2.Style = doc.Styles[BuiltInStyleId.IntenseQuote];
            //            // ContentControlType.BuildingBlockGallery            //            p = doc.Body.Paragraphs.Add("ContentControlType.BuildingBlockGallery");            p.Style = doc.Styles[BuiltInStyleId.Heading2];            p = doc.Body.Paragraphs.Add("ContentControlType.BuildingBlockGallery allows selecting items from " +                "building block galleries. Here we allow to select an equation from the built-in Word equations gallery.");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            // We create a content control that allows selecting equations from             // the built-in Word equations gallery:            var galleryControl = doc.Body.ContentControls.Add(ContentControlType.BuildingBlockGallery);            galleryControl.BuildingBlockCategory = "Built-In";            galleryControl.BuildingBlockGallery = "Equations";
            //            // ContentControlType.Group            //            p = doc.Body.Paragraphs.Add("ContentControlType.Group");            p.Style = doc.Styles[BuiltInStyleId.Heading2];            p = doc.Body.Paragraphs.Add("ContentControlType.Group allows creating groups with modifiable " +                "and constant (non-modifiable) content. Here we create a checkbox with a non-modifiable label on its right.");            p.Style = doc.Styles[BuiltInStyleId.Subtitle];
            // Group content control prevent some kinds of modifications of children controls.            // Add a group content control that will be used as parent container for            // child controls:            var groupControl = doc.Body.ContentControls.Add(ContentControlType.Group, false);
            // Note how to add ContentControls inside another ContentControl:            // Do not use groupControl.GetRange().ContentControls.Add(...),            // instead use groupControl.Content.GetRange().ContentControls.Add(...):            p = groupControl.Content.GetRange().Paragraphs.Add();            var checkBox = p.GetRange().ContentControls.Add(ContentControlType.CheckBox, true);
            checkBox.Title = "Grouped checkbox";            checkBox.Checked = true;
            p.GetRange().Runs.Add(" Text to the right of the checkbox");
            // Date:            groupControl.Content.GetRange().Paragraphs.Add("Finally, we add a ContentControlType.Date control that shows the current date.");
            // Add a Date control            var date = groupControl.Content.GetRange().ContentControls.Add(ContentControlType.Date, false);            date.DateFormat = "u";            date.Date = Util.TimeNow();
            // In the Group contentControl, we have:            // - a checkbox content control            // - a text to its left            // - a paragraph            // - a date content control            // Due to being inside Group content control, text cannot be changed unless            // you disable grouping (Word->Developer->Group and select Ungroup).
            // Done:            return doc;        }    }}