/// <summary>
/// Deletes backspace.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <param name="length">Length</param>
public static void BackspaceDelete(IOTASourceEditor sourceEditor, int length)
{
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
IOTAEditPosition _EditPos = _EditView.Position;
_EditPos.BackspaceDelete(length);
}
}
}
/// <summary>
/// Gets char after cursor.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <returns>Char.MinValue if wrong.</returns>
public static char GetCharAfterCursor(IOTASourceEditor sourceEditor)
{
LoggingService.EnterMethod();
char result = char.MinValue;
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
IOTAEditPosition _EditPos = _EditView.Position;
//_EditPos.Save();
// bool canMove = _EditPos.MoveRelative(0, -1);
// if (canMove) // no content
// {
result = _EditPos.Character;
LoggingService.Info("get char result is " + result.ToString());
//} else {
// LoggingService.Warn("cannot move, may it is the beginning of a line");
//}
//_EditPos.Restore();
}
else
{
LoggingService.Warn("no view");
}
}
else
{
LoggingService.Warn("null editor");
}
LoggingService.LeaveMethod();
return result;
}
// /// <summary>
// /// Gets word before cursor.
// /// </summary>
// /// <param name="sourceEditor">Source editor</param>
// /// <remarks>
// /// <para>Special chars ahead are ignored. </para>
// /// <para>If space is before cursor return String.Empty.</para>
// /// <para>If there are some chars after cursor return String.Empty.</para>
// /// </remarks>
// /// <returns>String.Empty if wrong.</returns>
// []
// public static string GetWordBeforeCursor2(IOTASourceEditor sourceEditor) {
// string result = String.Empty;
// if (sourceEditor != null) {
// if (sourceEditor.EditViewCount > 0) {
// IOTAEditView _EditView = sourceEditor.GetEditView(0);
//
// IOTAEditPosition _EditPos = _EditView.Position;
// if (Char.IsWhiteSpace(_EditPos.Character)) {
// int _ActualColumn = _EditPos.Column;
// int _ActualRow = _EditPos.Row;
//
// int _WordLength = 0;
//
// bool canMove = _EditPos.MoveRelative(0, -1);
// if (canMove) // no content
// {
// while (canMove && _EditView.Position.IsWordCharacter) {
// _WordLength++;
// canMove = _EditPos.MoveRelative(0, -1);
// }
// result = _EditView.Position.Read(_WordLength + 1).Trim();
// _EditView.Position.Move(_ActualRow, _ActualColumn);
// } else {
// LoggingService.Warn("no content");
// }
// } else {
// LoggingService.Warn("some char on the right");
// }
// } else {
// LoggingService.Warn("no view");
// }
// } else {
// LoggingService.Warn("null editor");
// }
// return result;
// }
#endregion
#region CSBuilder Goodies extensions
/// <summary>
/// Gets word before cursor.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <remarks>Special chars are included.</remarks>
/// <returns>String.Empty if wrong.</returns>
public static string GetWordBeforeCursor(IOTASourceEditor sourceEditor)
{
LoggingService.EnterMethod();
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
IOTAEditPosition _EditPos = _EditView.Position;
_EditPos.Save();
string _TheWord = String.Empty;
int _WordLength = 0;
if (!_EditPos.MoveRelative(0, -1)) // no content
{
_EditPos.Restore();
LoggingService.LeaveMethod();
return String.Empty;
}
while (_EditView.Position.IsWhitespace)
{
if (!_EditPos.MoveRelative(0, -1))
{
_EditPos.Restore();
LoggingService.LeaveMethod();
return String.Empty;
}
} // slip all whitespaces
while (_EditPos.IsWordCharacter || _EditPos.IsSpecialCharacter)
{
_WordLength++;
if (!_EditPos.MoveRelative(0, -1))
{
break;
}
}
_TheWord = _EditPos.Read(_WordLength + 1).Trim();
_EditPos.Restore();
LoggingService.Info(_TheWord);
LoggingService.LeaveMethod();
return _TheWord;
}
}
LoggingService.LeaveMethod();
return String.Empty;
}
/// <summary>
/// Gets a line string of a certain line number.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <param name="number">Line number</param>
/// <returns>null if wrong.</returns>
public static string GetLineOf(IOTASourceEditor sourceEditor, int number)
{
if (sourceEditor == null || number < 0 || number >= sourceEditor.LinesInBuffer)
{
return null;
}
IOTAEditView view = sourceEditor.GetEditView(0);
if (view == null)
{
return null;
}
IOTAEditPosition pos = view.Buffer.EditPosition;
pos.Save();
pos.GotoLine(number);
pos.MoveEOL();
int lastCol = pos.Column;
pos.MoveBOL();
int firstCol = pos.Column;
string result = pos.Read(lastCol - firstCol + 1);
pos.Restore();
return result.Split(new char[] { '\r', '\n' })[0];
}
/// <summary>
/// Selects text from position to position.
/// </summary>
/// <param name="sourceEditor">Source</param>
/// <param name="startPos">Start position</param>
/// <param name="endPos">End position</param>
public static void SelectTextFromPosToPos(IOTASourceEditor sourceEditor, OTAEditPos startPos, OTAEditPos endPos)
{
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
_EditView.CursorPos = startPos;
_EditView.Block.BeginBlock();
_EditView.Block.Style = OTABlockType.btNonInclusive;
_EditView.CursorPos = endPos;
_EditView.MoveViewToCursor();
_EditView.Block.EndBlock();
}
}
}
/// <summary>
/// Selects line.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
public static void SelectLine(IOTASourceEditor sourceEditor)
{
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
OTAEditPos _EditPos = new OTAEditPos();
_EditPos.Line = _EditView.Position.Row;
_EditPos.Col = 1;
_EditView.CursorPos = _EditPos;
_EditView.Block.BeginBlock();
_EditView.Block.Style = OTABlockType.btNonInclusive;
if (_EditView.Position.MoveEOL())
{
_EditView.MoveViewToCursor();
}
_EditView.Block.EndBlock();
}
}
}
/// <summary>
/// Gets current edit position.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <returns>new object if wrong.</returns>
public static OTAEditPos GetCurrentEditPos(IOTASourceEditor sourceEditor)
{
if (sourceEditor != null)
{
if (sourceEditor.EditViewCount > 0)
{
IOTAEditView _EditView = sourceEditor.GetEditView(0);
return _EditView.CursorPos;
}
}
return new OTAEditPos();
}
/// <summary>
/// Gets edit view.
/// </summary>
/// <param name="sourceEditor">Source editor</param>
/// <returns></returns>
public static IOTAEditView GetEditView(IOTASourceEditor sourceEditor)
{
if (sourceEditor != null && sourceEditor.EditViewCount > 0)
{
return sourceEditor.GetEditView(0);
}
else
{
return null;
}
}