WinHtmlEditor/Form/FindReplaceForm.cs

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#region Using directives

using System.Windows.Forms;

#endregion

namespace WinHtmlEditor
{

    /// <summary>
    /// Form designed to control Find and Replace operations
    /// Find and Replace operations performed by the user control class
    /// Delegates need to be defined to reference the class instances
    /// </summary> 
    internal partial class FindReplaceForm : Form
    {
        // constants defining the form sizes
        private const int FORM_HEIGHT_WITH_OPTION = 264;
        private const int TAB_HEIGHT_WITH_OPTION = 216;
        private const int FORM_HEIGHT_WITHOUT_OPTION = 200;
        private const int TAB_HEIGHT_WITHOUT_OPTION = 152;

        // private variables defining the state of the form
        private bool options = false;
        private bool findNotReplace  = true;
        private string findText;
        private string replaceText;

        // internal delegate reference
        private FindReplaceResetDelegate FindReplaceReset;
        private FindReplaceOneDelegate FindReplaceOne;
        private FindReplaceAllDelegate FindReplaceAll;
        private FindFirstDelegate FindFirst;
        private FindNextDelegate FindNext;


        /// <summary>
        /// Public constructor that defines the required delegates
        /// Delegates must be defined for the find and replace to operate
        /// </summary>
        public FindReplaceForm(string initText, FindReplaceResetDelegate resetDelegate, FindFirstDelegate findFirstDelegate, FindNextDelegate findNextDelegate, FindReplaceOneDelegate replaceOneDelegate, FindReplaceAllDelegate replaceAllDelegate, bool findOrReplace)
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            // Define the initial state of the form assuming a Find command to be displayed first
            DefineFindWindow(findOrReplace);
            DefineOptionsWindow(options);

            // ensure buttons not initially enabled
            this.bFindNext.Enabled = false;
            this.bReplace.Enabled = false;
            this.bReplaceAll.Enabled = false;

            // save the delegates used to perform find and replcae operations
            this.FindReplaceReset = resetDelegate;
            this.FindFirst = findFirstDelegate;
            this.FindNext = findNextDelegate;