/// <summary>
/// This function sets the indentation level in a range of lines.
/// </summary>
/// <param name="textArea">The text area.</param>
/// <param name="begin">The begin.</param>
/// <param name="end">The end.</param>
public override void IndentLines(TextArea textArea, int begin, int end)
{
if (textArea.Document.TextEditorProperties.IndentStyle != IndentStyle.Smart)
{
base.IndentLines(textArea, begin, end);
return;
}
int cursorPos = textArea.Caret.Position.Y;
int oldIndentLength = 0;
if (cursorPos >= begin && cursorPos <= end)
oldIndentLength = GetIndentation(textArea, cursorPos).Length;
IndentationSettings set = new IndentationSettings();
set.IndentString = Tab.GetIndentationString(textArea.Document);
CSharpIndentationReformatter r = new CSharpIndentationReformatter();
DocumentAccessor acc = new DocumentAccessor(textArea.Document, begin, end);
r.Reformat(acc, set);
if (cursorPos >= begin && cursorPos <= end)
{
int newIndentLength = GetIndentation(textArea, cursorPos).Length;
if (oldIndentLength != newIndentLength)
{
// fix cursor position if indentation was changed
int newX = textArea.Caret.Position.X - oldIndentLength + newIndentLength;
textArea.Caret.Position = new TextLocation(Math.Max(newX, 0), cursorPos);
}
}
}
/// <summary>
/// This function sets the indentation level in a range of lines.
/// </summary>
/// <param name="textArea">The text area.</param>
/// <param name="begin">The begin.</param>
/// <param name="end">The end.</param>
public override void IndentLines(TextArea textArea, int begin, int end)
{
if (textArea.Document.TextEditorProperties.IndentStyle != IndentStyle.Smart)
{
base.IndentLines(textArea, begin, end);
return;
}
int cursorPos = textArea.Caret.Position.Y;
int oldIndentLength = 0;
if (cursorPos >= begin && cursorPos <= end)
{
oldIndentLength = GetIndentation(textArea, cursorPos).Length;
}
IndentationSettings set = new IndentationSettings();
set.IndentString = Tab.GetIndentationString(textArea.Document);
CSharpIndentationReformatter r = new CSharpIndentationReformatter();
DocumentAccessor acc = new DocumentAccessor(textArea.Document, begin, end);
r.Reformat(acc, set);
if (cursorPos >= begin && cursorPos <= end)
{
int newIndentLength = GetIndentation(textArea, cursorPos).Length;
if (oldIndentLength != newIndentLength)
{
// fix cursor position if indentation was changed
int newX = textArea.Caret.Position.X - oldIndentLength + newIndentLength;
textArea.Caret.Position = new TextLocation(Math.Max(newX, 0), cursorPos);
}
}
}
/// <summary>
/// Define CSharp specific smart indenting for a line :)
/// </summary>
protected override int SmartIndentLine(TextArea textArea, int lineNr)
{
if (lineNr <= 0)
return AutoIndentLine(textArea, lineNr);
string oldText = textArea.Document.GetText(textArea.Document.GetLineSegment(lineNr));
DocumentAccessor acc = new DocumentAccessor(textArea.Document, lineNr, lineNr);
IndentationSettings set = new IndentationSettings();
set.IndentString = Tab.GetIndentationString(textArea.Document);
set.LeaveEmptyLines = false;
CSharpIndentationReformatter r = new CSharpIndentationReformatter();
r.Reformat(acc, set);
string t = acc.Text;
if (t.Length == 0)
{
// use AutoIndentation for new lines in comments / verbatim strings.
return AutoIndentLine(textArea, lineNr);
}
else
{
int newIndentLength = t.Length - t.TrimStart().Length;
int oldIndentLength = oldText.Length - oldText.TrimStart().Length;
if (oldIndentLength != newIndentLength && lineNr == textArea.Caret.Position.Y)
{
// fix cursor position if indentation was changed
int newX = textArea.Caret.Position.X - oldIndentLength + newIndentLength;
textArea.Caret.Position = new TextLocation(Math.Max(newX, 0), lineNr);
}
return newIndentLength;
}
}
/// <summary>
/// Indents the specified line.
/// </summary>
protected override int SmartIndentLine(TextArea textArea, int lineNr)
{
if (lineNr <= 0)
{
return(AutoIndentLine(textArea, lineNr));
}
string oldText = textArea.Document.GetText(textArea.Document.GetLineSegment(lineNr));
DocumentAccessor acc = new DocumentAccessor(textArea.Document, lineNr, lineNr);
IndentationSettings set = new IndentationSettings();
set.IndentString = Tab.GetIndentationString(textArea.Document);
set.LeaveEmptyLines = false;
CSharpIndentationReformatter r = new CSharpIndentationReformatter();
r.Reformat(acc, set);
string t = acc.Text;
if (t.Length == 0)
{
// use AutoIndentation for new lines in comments / verbatim strings.
return(AutoIndentLine(textArea, lineNr));
}
else
{
int newIndentLength = t.Length - t.TrimStart().Length;
int oldIndentLength = oldText.Length - oldText.TrimStart().Length;
if (oldIndentLength != newIndentLength && lineNr == textArea.Caret.Position.Y)
{
// fix cursor position if indentation was changed
int newX = textArea.Caret.Position.X - oldIndentLength + newIndentLength;
textArea.Caret.Position = new TextLocation(Math.Max(newX, 0), lineNr);
}
return(newIndentLength);
}
}
