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RichText Builder (StringBuilder for RTF)

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12 Nov 2008CPOL4 min read 246.6K   9.9K   214  
RichText Builder - use in place of StringBuilder to output RTF.



 

namespace RTF
{
    using System;
    using System.Drawing;

    public partial class RTFBuilder
    {
        #region Nested type: RTFParaWrap

        // ----------------------------------------------------------------------------------------
        //    _                ___        _..-._   Date: 12/11/08    23:36
        //    \`.|\..----...-'`   `-._.-'' _.-..'     
        //    /  ' `         ,       __.-'' 
        //    )/` _/     \   `-_,   /     Solution: RTFLib
        //    `-'" `"\_  ,_.-;_.-\_ ',    Project : RTFLib                                 
        //        _.-'_./   {_.'   ; /    Author  : Anton
        //       {_.-``-'         {_/     Assembly: 1.0.0.0
        //                                Copyright © 2005-2008, Rogue Trader/MWM
        //        Project Item Name:      RTFBuilder.RTFParaWrap.cs - Code
        //        Purpose:                Wraps RtfBuilderbase injecting appropriate rtf codes after paragraph append 
        // ----------------------------------------------------------------------------------------
        /// <summary>
        /// Wraps RtfBuilderbase injecting appropriate rtf codes after paragraph append 
        /// </summary>
        private class RTFParaWrap : IDisposable
        {
            #region Fields

            private readonly RTFBuilder _builder;

            #endregion

            #region Constructor

            public RTFParaWrap(RTFBuilder builder)
            {
                this._builder = builder;
                int len = this._builder._sb.Length;
                if (this._builder._sf.Alignment == StringAlignment.Center)
                {
                    this._builder._sb.Append("\\qc");
                }
                else if (this._builder._sf.Alignment == StringAlignment.Far)
                {
                    this._builder._sb.Append("\\qr");
                }
                if (this._builder._firstLineIndent > 0)
                {
                    this._builder._sb.Append("\\fi" + this._builder._firstLineIndent);
                }
                if (this._builder._lineIndent > 0)
                {
                    this._builder._sb.Append("\\li" + this._builder._lineIndent);
                }


                if (this._builder._sb.Length > len)
                {
                    this._builder._sb.Append(" ");
                }
            }

            #endregion

            #region Override Methods

            ~RTFParaWrap()
            {
                this.Dispose(false);
            }

            #endregion

            #region Methods

            protected void Dispose(bool disposing)
            {
                if ( this._builder != null && !this._builder._unwrapped)
                {
                    if (this._builder._sf.Alignment != StringAlignment.Near || this._builder._lineIndent > 0 || this._builder._firstLineIndent > 0)
                    {
                        this._builder._firstLineIndent = 0;
                        this._builder._lineIndent = 0;
                        this._builder._sf.Alignment = StringAlignment.Near;
                        this._builder._sb.Append("\\pard ");
                    }
                }
                if (disposing)
                {
                    GC.SuppressFinalize(this);
                }
            }

            #endregion

            #region IDisposable Members

            public void Dispose()
            {
                this.Dispose(true);
            }

            #endregion
        }

        #endregion
    }
}


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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Australia Australia
Interested in financial math and programming theory in general. Working on medical applications in spare time. Happy to get feedback.

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