155 lines
4.3 KiB
C#
155 lines
4.3 KiB
C#
#region Using Directives
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using System;
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#endregion Using Directives
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namespace ScintillaNET
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{
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/// <summary>
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/// Provices data for the TextModified event
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/// </summary>
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/// <remarks>
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/// TextModifiedEventHandler is used as an abstracted subset of the
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/// SCN_MODIFIED notification message. It's used whenever the SCNotification's
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/// modificationType flags are SC_MOD_INSERTTEXT ,SC_MOD_DELETETEXT,
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/// SC_MOD_BEFOREINSERT and SC_MOD_BEFORE_DELETE. They all use a
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/// TextModifiedEventArgs which corresponds to a subset of the
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/// SCNotification struct having to do with these modification types.
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/// </remarks>
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public class TextModifiedEventArgs : ModifiedEventArgs
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{
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#region Constants
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private const string STRING_FORMAT = "ModificationTypeFlags\t:{0}\r\nPosition\t\t\t:{1}\r\nLength\t\t\t\t:{2}\r\nLinesAddedCount\t\t:{3}\r\nText\t\t\t\t:{4}\r\nIsUserChange\t\t\t:{5}\r\nMarkerChangeLine\t\t:{6}";
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#endregion Constants
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#region Fields
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private bool _isUserChange;
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private int _length;
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private int _linesAddedCount;
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private int _markerChangedLine;
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private int _position;
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private string _text;
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#endregion Fields
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#region Methods
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/// <summary>
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/// Overridden.
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/// </summary>
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public override string ToString()
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{
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return string.Format(STRING_FORMAT, ModificationType, _position, _length, _linesAddedCount, _text, _isUserChange, _markerChangedLine) + Environment.NewLine + UndoRedoFlags.ToString();
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}
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#endregion Methods
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#region Properties
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/// <summary>
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/// Returns true if the change was a direct result of user interaction
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/// </summary>
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public bool IsUserChange
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{
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get
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{
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return _isUserChange;
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}
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}
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/// <summary>
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/// Returns the length of the change occured.
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/// </summary>
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public int Length
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{
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get
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{
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return _length;
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}
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}
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/// <summary>
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/// Returns the # of lines added or removed as a result of the change
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/// </summary>
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public int LinesAddedCount
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{
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get
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{
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return _linesAddedCount;
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}
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}
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/// <summary>
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/// Returns the line # of where the marker change occured (if applicable)
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/// </summary>
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public int MarkerChangedLine
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{
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get
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{
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return _markerChangedLine;
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}
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}
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/// <summary>
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/// Returns the document position where the change occured
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/// </summary>
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public int Position
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{
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get
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{
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return _position;
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}
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}
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/// <summary>
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/// The affected text of the change
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/// </summary>
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public string Text
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{
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get
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{
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return _text;
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}
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}
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#endregion Properties
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the TextModifiedEventArgs class.
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/// </summary>
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/// <param name="position">document position where the change occured</param>
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/// <param name="_length">_length of the change occured</param>
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/// <param name="linesAddedCount">the # of lines added or removed as a result of the change</param>
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/// <param name="text">affected text of the change</param>
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/// <param name="isUserChange">true if the change was a direct result of user interaction</param>
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/// <param name="markerChangedLine"> the line # of where the marker change occured (if applicable)</param>
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public TextModifiedEventArgs(int modificationType, bool isUserChange, int markerChangedLine, int position, int length, int linesAddedCount, string text) : base(modificationType)
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{
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_isUserChange = isUserChange;
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_markerChangedLine = markerChangedLine;
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_position = position;
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_length = length;
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_linesAddedCount = linesAddedCount;
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_text = text;
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}
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#endregion Constructors
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}
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}
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