private void ReplaceOperation(FindAndReplacePanel.FindReplaceOptions Options, int Position)
{
if (Position < 0 ||
(Position + Options.ReplaceText.Length) >=
(Options.OnlyInSelection ? this.TextEditor.SelectionLength : this.TextEditor.Text.Length))
{
return;
}
var AbsolutePosition = ((Options.OnlyInSelection ? this.TextEditor.SelectionStart : 0) + Position);
this.TextEditor.Document.Replace(AbsolutePosition, Options.FindText.Length, Options.ReplaceText);
}
private int FindOperation(FindAndReplacePanel.FindReplaceOptions Options, int Position)
{
if (Position < 0 || Position >=
(Options.OnlyInSelection ? this.TextEditor.SelectionLength : this.TextEditor.Text.Length))
{
return(-1);
}
var CaseComparer = (Options.IsCaseSensitive
? StringComparison.Ordinal // Must use 'ordinal' to avoid considering hyphens as part of words (culture dependant).
: StringComparison.OrdinalIgnoreCase);
var SourceText = (Options.OnlyInSelection
? this.TextEditor.SelectedText
: this.TextEditor.Text);
Position = SourceText.IndexOf(Options.FindText, Position, CaseComparer);
// This loop is just to skip the non-whole-words cases
while (Position >= 0)
{
if (!(Options.ConsiderWholeWord &&
((Position > 0 && (Char.IsLetterOrDigit(SourceText[Position - 1]) || SourceText[Position - 1] == '_')) ||
((Position + Options.FindText.Length) < SourceText.Length &&
(Char.IsLetterOrDigit(SourceText[Position + Options.FindText.Length]) || SourceText[Position + Options.FindText.Length] == '_')))))
{
// Do not select! to not affect in-selection find/replace. //- this.TextEditor.Select(StartPosition, Options.FindText.Length);
var AbsolutePosition = ((Options.OnlyInSelection ? this.TextEditor.SelectionStart : 0) + Position);
this.TextEditor.PostCall(
ted =>
{
ted.CaretOffset = AbsolutePosition;
var Location = ted.Document.GetLocation(AbsolutePosition);
ted.ScrollTo(Location.Line, Location.Column);
ted.Focus();
});
return(Position);
}
Position = Position + Options.FindText.Length;
if (Position >= SourceText.Length)
{
return(-1);
}
Position = SourceText.IndexOf(Options.FindText, Position, CaseComparer);
}
return(-1);
}
private int FindOperation(FindAndReplacePanel.FindReplaceOptions Options, int Position)
{
// IMPORTANT: Position here represents the WPF so called 'symbols' (Rich-Text/XAML codes), not chars.
var SourceRange = (Options.OnlyInSelection
? this.TextEditor.Selection
: new TextRange(this.TextEditor.Document.ContentStart, this.TextEditor.Document.ContentEnd));
if (SourceRange == null)
{
return(-1);
}
var CaseComparer = (Options.IsCaseSensitive
? StringComparison.Ordinal // Must use 'ordinal' to avoid considering hyphens as part of words (culture dependant).
: StringComparison.OrdinalIgnoreCase);
var FoundRange = SourceRange.Start.GetPositionAtOffset(Position).FindText(Options.FindText, CaseComparer);
// This loop is just to skip the non-whole-words cases
while (FoundRange != null)
{
Position = SourceRange.Start.GetOffsetToPosition(FoundRange.Start);
if (!(Options.ConsiderWholeWord &&
((Char.IsLetterOrDigit(FoundRange.PreviousChar()) || FoundRange.PreviousChar() == '_') ||
(Char.IsLetterOrDigit(FoundRange.NextChar()) || FoundRange.NextChar() == '_'))))
{
// Do not select! to not affect in-selection find/replace.
var AbsolutePosition = FoundRange.Start;
this.TextEditor.PostCall(
ted =>
{
ted.CaretPosition = AbsolutePosition;
var Container = AbsolutePosition.Parent as FrameworkContentElement;
if (Container != null)
{
Container.BringIntoView();
ted.Focus();
}
});
return(Position);
}
FoundRange = FoundRange.End.GetNextContextPosition(LogicalDirection.Forward).FindText(Options.FindText);
}
return(-1);
}
private void ReplaceOperation(FindAndReplacePanel.FindReplaceOptions Options, int Position)
{
var SourceRange = (Options.OnlyInSelection
? this.TextEditor.Selection
: (new TextRange(this.TextEditor.Document.ContentStart, this.TextEditor.Document.ContentEnd)));
var SourceText = SourceRange.Text;
if (SourceRange == null || Position < 0 || SourceRange.Start.GetPositionAtOffset(Position) == null)
{
return;
}
var FoundRange = new TextRange(SourceRange.Start.GetPositionAtOffset(Position),
SourceRange.Start.GetPositionAtOffset(Position + Options.FindText.Length - 1));
FoundRange.Text = Options.ReplaceText;
}