| public GetLine ( int lineNumber ) : Mono.TextEditor.DocumentLine | ||
| lineNumber | int | |
| return | Mono.TextEditor.DocumentLine | |
public static CommandRange InnerBlock(TextEditorData editor, char openingChar, char closingChar)
{
var range = Block(editor, openingChar, closingChar);
if (range.Length == 0)
return CommandRange.Empty;
int start = range.Start + 1;
int end = range.End - 2;
var line = editor.GetLine(editor.OffsetToLineNumber(range.Start));
// exclude newline if it comes just after opening char
if (line.EndOffsetIncludingDelimiter - start <= line.DelimiterLength)
start += line.DelimiterLength;
// exclude whitespace that comes just before the closing char...
line = editor.GetLine(editor.OffsetToLineNumber(range.End));
while (Char.IsWhiteSpace(editor.Text[end]) && end >= line.Offset)
end--;
//.. but only if newline comes after it
if (end >= line.Offset)
end = range.End - 2;
else
end -= line.PreviousLine.DelimiterLength;
if (start > end + 1)
return new CommandRange(start, start);
return new CommandRange(start, end+1);
}
public static CommandRange QuotedString(TextEditorData editor, char quotationChar)
{
var start = editor.Caret.Offset;
var end = editor.Caret.Offset;
var lineOffset = editor.GetLine(editor.Caret.Line).Offset;
var lineEndOffset = editor.GetLine(editor.Caret.Line).EndOffset - 1; // Line includes \n
if (editor.Text[start] == quotationChar)
{
// Check if we're on closing char
start = lineOffset;
var openingCandidate = -1;
while (start < end)
{
if (editor.Text[start] == quotationChar & openingCandidate != -1)
openingCandidate = -1;
else if (editor.Text[start] == quotationChar)
openingCandidate = start;
start = start + 1;
}
if (openingCandidate != -1)
{
start = openingCandidate;
}
else
{
// not on closing char, let's find closing one
start = editor.Caret.Offset;
end = start + 1;
while (end < lineEndOffset & editor.Text[end] != quotationChar)
end++;
}
}
else
{
while (start >= lineOffset & editor.Text[start] != quotationChar)
start--;
while (end < lineEndOffset & editor.Text[end] != quotationChar)
end++;
}
if (start < 0 || end > lineEndOffset || start == end)
return CommandRange.Empty;
var endIncludingTrailingWhiteSpace = end;
var startIncludingTrailingWhiteSpace = start;
// expand to include all trailing white space
while (endIncludingTrailingWhiteSpace < lineEndOffset && Char.IsWhiteSpace(editor.Text[endIncludingTrailingWhiteSpace + 1]))
endIncludingTrailingWhiteSpace++;
// if there's no trailing white space then include leading
if (endIncludingTrailingWhiteSpace == end)
{
while (startIncludingTrailingWhiteSpace > lineOffset && Char.IsWhiteSpace(editor.Text[startIncludingTrailingWhiteSpace - 1]))
startIncludingTrailingWhiteSpace--;
}
return new CommandRange(Math.Min(start, startIncludingTrailingWhiteSpace), Math.Max(end, endIncludingTrailingWhiteSpace) + 1);
}
static void RemoveCharBeforCaret (TextEditorData data)
{
if (!data.IsSomethingSelected && MonoDevelop.Ide.Editor.DefaultSourceEditorOptions.Instance.AutoInsertMatchingBracket) {
if (data.Caret.Offset > 0) {
var line = data.GetLine (data.Caret.Line);
var stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
char ch = data.Document.GetCharAt (data.Caret.Offset - 1);
int idx = open.IndexOf (ch);
if (idx >= 0) {
int nextCharOffset = GetNextNonWsCharOffset (data, data.Caret.Offset);
if (nextCharOffset >= 0 && closing[idx] == data.Document.GetCharAt (nextCharOffset)) {
data.Remove (data.Caret.Offset, nextCharOffset - data.Caret.Offset + 1);
}
}
}
}
DeleteActions.Backspace (data);
}
static void RemoveCharBeforCaret (TextEditorData data)
{
if (((ISourceEditorOptions)data.Options).AutoInsertMatchingBracket) {
if (data.Caret.Offset > 0) {
var line = data.GetLine (data.Caret.Line);
var stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
char ch = data.Document.GetCharAt (data.Caret.Offset - 1);
int idx = open.IndexOf (ch);
if (idx >= 0) {
int nextCharOffset = GetNextNonWsCharOffset (data, data.Caret.Offset);
if (nextCharOffset >= 0 && closing[idx] == data.Document.GetCharAt (nextCharOffset)) {
bool updateToEnd = data.Document.OffsetToLineNumber (nextCharOffset) != data.Caret.Line;
data.Remove (data.Caret.Offset, nextCharOffset - data.Caret.Offset + 1);
}
}
}
}
DeleteActions.Backspace (data);
}
// TODO: move this somewhere else? extend TextEditor?
public static void SetSelectLines(TextEditorData editor, int start, int end)
{
start = Math.Min(start, editor.LineCount);
end = Math.Min(end, editor.LineCount);
var startLine = start > end ? editor.GetLine(end) : editor.GetLine(start);
var endLine = start > end ? editor.GetLine(start) : editor.GetLine(end);
editor.SetSelection(startLine.Offset, endLine.EndOffsetIncludingDelimiter);
}
static void NewLineSmartIndent(TextEditorData data)
{
using (var undo = data.OpenUndoGroup()) {
data.EnsureCaretIsNotVirtual();
var oldCaretLine = data.Caret.Location.Line;
var indentString = data.IndentationTracker.GetIndentationString(data.Caret.Line);
data.InsertAtCaret(data.EolMarker);
if (data.HasIndentationTracker)
{
// Don't insert the indent string if the EOL insertion modified the caret location in an unexpected fashion
// (This likely means someone has custom logic regarding insertion of the EOL)
if (data.Caret.Location.Line == oldCaretLine + 1 && data.Caret.Location.Column == 1)
{
var line = data.GetLine(data.Caret.Line);
var currentIndent = line.GetIndentation(data.Document);
var currentCalculatedIndent = data.IndentationTracker.GetIndentationString(data.Caret.Line);
if (!string.IsNullOrEmpty(currentCalculatedIndent))
{
indentString = currentCalculatedIndent;
}
if (indentString != currentIndent)
{
data.InsertAtCaret(indentString);
}
}
}
}
}
internal static int GetStartOfLineOffset(TextEditorData data, DocumentLocation loc)
{
var line = data.Document.GetLine(loc.Line);
loc = new DocumentLocation(loc.Line, line.Length + 1);
// handle folding
var foldings = data.Document.GetFoldingsFromOffset(line.Offset);
FoldSegment segment = null;
foreach (FoldSegment folding in foldings)
{
if (folding.IsFolded)
{
if (segment != null && segment.Offset < folding.Offset)
{
continue;
}
segment = folding;
}
}
if (segment != null)
{
loc = data.Document.OffsetToLocation(segment.StartLine.Offset);
}
line = data.GetLine(loc.Line);
return(line.Offset);
}
internal static int GetEndOfLineOffset(TextEditorData data, DocumentLocation loc, bool includeDelimiter = true)
{
var line = data.Document.GetLine(loc.Line);
loc = new DocumentLocation(loc.Line, line.Length + 1);
// handle folding
var foldings = data.Document.GetStartFoldings(loc.Line);
FoldSegment segment = null;
foreach (FoldSegment folding in foldings)
{
if (folding.IsFolded && folding.Contains(data.Document.LocationToOffset(loc)))
{
segment = folding;
break;
}
}
if (segment != null)
{
loc = data.Document.OffsetToLocation(segment.EndLine.Offset + segment.EndColumn - 1);
}
line = data.GetLine(loc.Line);
return(includeDelimiter ? line.EndOffsetIncludingDelimiter : line.EndOffset);
}
public static void InsertNewLine(TextEditorData data)
{
if (!data.CanEditSelection)
{
return;
}
using (var undo = data.OpenUndoGroup())
{
if (data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
switch (data.Options.IndentStyle)
{
case IndentStyle.None:
data.InsertAtCaret(data.EolMarker);
break;
case IndentStyle.Auto:
data.EnsureCaretIsNotVirtual();
var sb = new StringBuilder(data.EolMarker);
sb.Append(data.Document.GetLineIndent(data.Caret.Line));
data.InsertAtCaret(sb.ToString());
break;
case IndentStyle.Smart:
if (!data.HasIndentationTracker)
{
goto case IndentStyle.Auto;
}
NewLineSmartIndent(data);
break;
case IndentStyle.Virtual:
if (!data.HasIndentationTracker)
{
goto case IndentStyle.Auto;
}
var oldLine = data.Caret.Line;
var curLine = data.GetLine(oldLine);
var indentCol = data.GetVirtualIndentationColumn(data.Caret.Location);
if (curLine.Length >= data.Caret.Column)
{
NewLineSmartIndent(data);
data.FixVirtualIndentation();
data.FixVirtualIndentation(oldLine);
break;
}
data.Insert(data.Caret.Offset, data.EolMarker);
data.FixVirtualIndentation(oldLine);
data.Caret.Column = indentCol;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
public static void LineStart(TextEditorData editor)
{
CaretMoveActions.LineStart(editor);
var line = editor.GetLine(editor.Caret.Line);
while (editor.Caret.Offset < line.EndOffset && Char.IsWhiteSpace(editor.Text[editor.Caret.Offset]))
editor.Caret.Offset++;
}
public static void CaretLine(TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit(data.Caret.Line))
{
return;
}
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var startLine = data.GetLine(data.MainSelection.Start.Line);
var endLine = data.GetLine(data.MainSelection.End.Line);
data.Remove(startLine.Offset, endLine.EndOffsetIncludingDelimiter - startLine.Offset);
return;
}
var start = GetStartOfLineOffset(data, data.Caret.Location);
var end = GetEndOfLineOffset(data, data.Caret.Location);
data.Remove(start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
}
static int PastePlainText(TextEditorData data, int offset, string text, bool preserveSelection = false, byte[] copyData = null)
{
int inserted = 0;
var undo = data.OpenUndoGroup();
try {
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == MonoDevelop.Ide.Editor.SelectionMode.Block)
{
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation(selection.Anchor);
var changes = new List <Microsoft.CodeAnalysis.Text.TextChange> ();
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
var lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
changes.Add(new Microsoft.CodeAnalysis.Text.TextChange(new Microsoft.CodeAnalysis.Text.TextSpan(lineSegment.Offset + insertOffset, 0), textToInsert));
inserted = textToInsert.Length;
}
data.Document.ApplyTextChanges(changes);
}
else
{
offset = version.MoveOffsetTo(data.Document.Version, offset);
inserted = data.PasteText(offset, text, copyData, ref undo);
}
data.FixVirtualIndentation(startLine);
} finally {
undo.Dispose();
}
return(inserted);
}
public static CommandRange QuotedString(TextEditorData editor, char quotationChar)
{
CommandRange range = FindQuotes(editor, quotationChar);
var lineOffset = editor.GetLine(editor.Caret.Line).Offset;
var lineEndOffset = editor.GetLine(editor.Caret.Line).EndOffset - 1; // Line includes \n
var endIncludingTrailingWhiteSpace = range.End;
var startIncludingTrailingWhiteSpace = range.Start;
// expand to include all trailing white space
while (endIncludingTrailingWhiteSpace < lineEndOffset && Char.IsWhiteSpace(editor.Text[endIncludingTrailingWhiteSpace + 1]))
endIncludingTrailingWhiteSpace++;
// if there's no trailing white space then include leading
if (endIncludingTrailingWhiteSpace == range.End)
{
while (startIncludingTrailingWhiteSpace > lineOffset && Char.IsWhiteSpace(editor.Text[startIncludingTrailingWhiteSpace - 1]))
startIncludingTrailingWhiteSpace--;
}
return new CommandRange(Math.Min(range.Start, startIncludingTrailingWhiteSpace), Math.Max(range.End, endIncludingTrailingWhiteSpace) + 1);
}
public static void ExpandSelectionToLine(TextEditorData data)
{
var curLineSegment = data.GetLine(data.Caret.Line).SegmentIncludingDelimiter;
var range = data.SelectionRange;
var selection = TextSegment.FromBounds(
System.Math.Min(range.Offset, curLineSegment.Offset),
System.Math.Max(range.EndOffset, curLineSegment.EndOffset));
data.Caret.PreserveSelection = true;
data.Caret.Offset = selection.EndOffset;
data.Caret.PreserveSelection = false;
data.SelectionRange = selection;
}
string GetIndent(int lineNumber, int column)
{
var line = data.GetLine(lineNumber);
if (line == null)
{
return("");
}
int offset = line.Offset + Math.Min(line.Length, column - 1);
stateTracker.Update(offset);
return(stateTracker.NextLineIndent);
}
internal void UpdateCaretPosition(DocumentChangeEventArgs e)
{
if (e.AnchorMovementType == AnchorMovementType.BeforeInsertion && caretOffset == e.Offset)
{
return;
}
var curVersion = TextEditorData.Version;
if (offsetVersion == null)
{
offsetVersion = curVersion;
return;
}
var newOffset = offsetVersion.MoveOffsetTo(curVersion, caretOffset);
offsetVersion = curVersion;
if (newOffset == caretOffset || !AutoUpdatePosition)
{
return;
}
DocumentLocation old = Location;
var newLocation = TextEditorData.OffsetToLocation(newOffset);
int newColumn = newLocation.Column;
var curLine = TextEditorData.GetLine(newLocation.Line);
if (TextEditorData.HasIndentationTracker && TextEditorData.Options.IndentStyle == IndentStyle.Virtual && curLine.Length == 0)
{
var indentColumn = TextEditorData.GetVirtualIndentationColumn(Location);
if (column == indentColumn)
{
newColumn = indentColumn;
}
}
if (AllowCaretBehindLineEnd)
{
if (curLine != null && column > curLine.Length)
{
newColumn = column;
}
}
line = newLocation.Line;
column = newColumn;
SetDesiredColumn();
UpdateCaretOffset();
OnPositionChanged(new DocumentLocationEventArgs(old));
}
public virtual void HandleSpecialSelectionKey(TextEditorData textEditorData, int unicodeKey)
{
string start, end;
GetSelectionSurroundings(textEditorData, unicodeKey, out start, out end);
if (textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
var selection = textEditorData.MainSelection;
int startCol = System.Math.Min(selection.Anchor.Column, selection.Lead.Column) - 1;
int endCol = System.Math.Max(selection.Anchor.Column, selection.Lead.Column);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
DocumentLine lineSegment = textEditorData.GetLine(lineNumber);
if (lineSegment.Offset + startCol < lineSegment.EndOffset)
{
textEditorData.Insert(lineSegment.Offset + startCol, start);
}
if (lineSegment.Offset + endCol < lineSegment.EndOffset)
{
textEditorData.Insert(lineSegment.Offset + endCol, end);
}
}
textEditorData.MainSelection = new Selection(
new DocumentLocation(selection.Anchor.Line, endCol == selection.Anchor.Column ? endCol + start.Length : startCol + 1 + start.Length),
new DocumentLocation(selection.Lead.Line, endCol == selection.Anchor.Column ? startCol + 1 + start.Length : endCol + start.Length),
Mono.TextEditor.SelectionMode.Block);
textEditorData.Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
int anchorOffset = textEditorData.MainSelection.GetAnchorOffset(textEditorData);
int leadOffset = textEditorData.MainSelection.GetLeadOffset(textEditorData);
if (leadOffset < anchorOffset)
{
int tmp = anchorOffset;
anchorOffset = leadOffset;
leadOffset = tmp;
}
textEditorData.Insert(anchorOffset, start);
textEditorData.Insert(leadOffset >= anchorOffset ? leadOffset + start.Length : leadOffset, end);
textEditorData.SetSelection(anchorOffset + start.Length, leadOffset + start.Length);
}
}
public static void Right(TextEditorData editor)
{
if (!Platform.IsMac)
{
if (editor.Caret.Offset < editor.GetLine(editor.Caret.Line).EndOffset)
CaretMoveActions.Right(editor);
}
else
{
using (var undo = editor.OpenUndoGroup())
{
DocumentLine line = editor.GetLine(editor.Caret.Line);
if (editor.Caret.Column < line.Length)
editor.Caret.Column = editor.Caret.Column + 1;
}
}
}
static int PastePlainText(TextEditorData data, int offset, string text, bool preserveSelection = false, byte[] copyData = null)
{
int inserted = 0;
var undo = data.OpenUndoGroup();
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block)
{
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation(selection.Anchor);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
var lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
inserted = data.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
}
else
{
offset = version.MoveOffsetTo(data.Document.Version, offset);
inserted = data.PasteText(offset, text, copyData, ref undo);
}
undo.Dispose();
return(inserted);
}
internal void UpdateCaretPosition(TextChangeEventArgs e)
{
//if (e.AnchorMovementType == AnchorMovementType.BeforeInsertion && caretOffset == e.Offset) {
// offsetVersion = TextEditorData.Version;
// return;
//}
var curVersion = TextEditorData.Version;
var newOffset = e.GetNewOffset(caretOffset);
if (!AutoUpdatePosition)
{
return;
}
DocumentLocation old = Location;
var newLocation = TextEditorData.OffsetToLocation(newOffset);
int newColumn = newLocation.Column;
var curLine = TextEditorData.GetLine(newLocation.Line);
if (TextEditorData.HasIndentationTracker && TextEditorData.Options.IndentStyle == IndentStyle.Virtual && curLine.Length == 0)
{
var indentColumn = TextEditorData.GetVirtualIndentationColumn(newLocation);
if (column == indentColumn)
{
newColumn = indentColumn;
}
}
if (AllowCaretBehindLineEnd)
{
if (curLine != null && column > curLine.Length)
{
newColumn = column;
}
}
line = newLocation.Line;
column = newColumn;
SetDesiredColumn();
UpdateCaretOffset();
OnPositionChanged(new CaretLocationEventArgs(old, currentBuffer ?? TextEditorData.Document.TextBuffer.CurrentSnapshot, CaretChangeReason.BufferChange));
}
public override void HandleSpecialSelectionKey (TextEditorData textEditorData,uint unicodeKey)
{
string start, end;
GetSelectionSurroundings (textEditorData, unicodeKey, out start, out end);
var selection = textEditorData.MainSelection;
if (textEditorData.MainSelection.SelectionMode == SelectionMode.Block) {
int startCol = System.Math.Min (selection.Anchor.Column, selection.Lead.Column) - 1;
int endCol = System.Math.Max (selection.Anchor.Column, selection.Lead.Column);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++) {
DocumentLine lineSegment = textEditorData.GetLine (lineNumber);
if (lineSegment.Offset + startCol < lineSegment.EndOffset)
textEditorData.Insert (lineSegment.Offset + startCol, start);
if (lineSegment.Offset + endCol < lineSegment.EndOffset)
textEditorData.Insert (lineSegment.Offset + endCol, end);
}
textEditorData.MainSelection = new Selection (
new DocumentLocation (selection.Anchor.Line, endCol == selection.Anchor.Column ? endCol + start.Length : startCol + 1 + start.Length),
new DocumentLocation (selection.Lead.Line, endCol == selection.Anchor.Column ? startCol + 1 + start.Length : endCol + start.Length),
Mono.TextEditor.SelectionMode.Block);
textEditorData.Document.CommitMultipleLineUpdate (textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
} else {
int anchorOffset = selection.GetAnchorOffset (textEditorData);
int leadOffset = selection.GetLeadOffset (textEditorData);
if (leadOffset < anchorOffset) {
int tmp = anchorOffset;
anchorOffset = leadOffset;
leadOffset = tmp;
}
textEditorData.Insert (anchorOffset, start);
textEditorData.Insert (leadOffset >= anchorOffset ? leadOffset + start.Length : leadOffset, end);
// textEditorData.SetSelection (anchorOffset + start.Length, leadOffset + start.Length);
if (CSharpTextEditorIndentation.OnTheFlyFormatting) {
var l1 = textEditorData.GetLineByOffset (anchorOffset);
var l2 = textEditorData.GetLineByOffset (leadOffset);
OnTheFlyFormatter.Format (document, l1.Offset, l2.EndOffsetIncludingDelimiter);
}
}
}
// for markup syntax mode the syntax highlighting information need to be taken into account
// when calculating the selection offsets.
static int PosToOffset(TextEditorData data, DocumentLocation loc)
{
DocumentLine line = data.GetLine(loc.Line);
if (line == null)
{
return(0);
}
var startChunk = data.GetChunks(line, line.Offset, line.LengthIncludingDelimiter);
int col = 1;
foreach (var chunk in startChunk)
{
if (col <= loc.Column && loc.Column < col + chunk.Length)
{
return(chunk.Offset - col + loc.Column);
}
col += chunk.Length;
}
return(line.Offset + line.Length);
}
// for markup syntax mode the syntax highlighting information need to be taken into account
// when calculating the selection offsets.
int PosToOffset(TextEditorData data, DocumentLocation loc)
{
LineSegment line = data.GetLine(loc.Line);
if (line == null)
{
return(0);
}
Chunk startChunk = data.Document.SyntaxMode.GetChunks(data.Document, data.Parent.ColorStyle, line, line.Offset, line.Length);
int col = 1;
for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null)
{
if (col <= loc.Column && loc.Column < col + chunk.Length)
{
return(chunk.Offset - col + loc.Column);
}
col += chunk.Length;
}
return(line.Offset + line.EditableLength);
}
public static List<InsertionPoint> GetInsertionPoints (TextEditorData data, ParsedDocument parsedDocument, IType type)
{
if (data == null)
throw new ArgumentNullException ("data");
if (parsedDocument == null)
throw new ArgumentNullException ("parsedDocument");
if (type == null)
throw new ArgumentNullException ("type");
List<InsertionPoint> result = new List<InsertionPoint> ();
int offset = data.LocationToOffset (type.BodyRegion.Start.Line, type.BodyRegion.Start.Column);
if (offset < 0)
return result;
while (offset < data.Length && data.GetCharAt (offset) != '{') {
offset++;
}
var realStartLocation = data.OffsetToLocation (offset);
result.Add (GetInsertionPosition (data.Document, realStartLocation.Line, realStartLocation.Column));
result[0].LineBefore = NewLineInsertion.None;
foreach (IMember member in type.Members) {
DomLocation domLocation = member.BodyRegion.End;
if (domLocation.Line <= 0) {
LineSegment lineSegment = data.GetLine (member.Location.Line);
if (lineSegment == null)
continue;
domLocation = new DomLocation (member.Location.Line, lineSegment.EditableLength + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
result[result.Count - 1].LineAfter = NewLineInsertion.None;
CheckStartPoint (data.Document, result[0], result.Count == 1);
if (result.Count > 1) {
result.RemoveAt (result.Count - 1);
NewLineInsertion insertLine;
var lineBefore = data.GetLine (type.BodyRegion.End.Line - 1);
if (lineBefore != null && lineBefore.EditableLength == lineBefore.GetIndentation (data.Document).Length) {
insertLine = NewLineInsertion.None;
} else {
insertLine = NewLineInsertion.Eol;
}
// search for line start
var line = data.GetLine (type.BodyRegion.End.Line);
int col = type.BodyRegion.End.Column - 1;
while (col > 1 && char.IsWhiteSpace (data.GetCharAt (line.Offset + col - 2)))
col--;
result.Add (new InsertionPoint (new DocumentLocation (type.BodyRegion.End.Line, col), insertLine, NewLineInsertion.Eol));
CheckEndPoint (data.Document, result[result.Count - 1], result.Count == 1);
}
foreach (var region in parsedDocument.UserRegions.Where (r => type.BodyRegion.Contains (r.Region))) {
result.Add (new InsertionPoint (new DocumentLocation (region.Region.Start.Line + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.End.Line, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.End.Line + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
}
result.Sort ((left, right) => left.Location.CompareTo (right.Location));
return result;
}
public static List<InsertionPoint> GetInsertionPoints (TextEditorData data, ParsedDocument parsedDocument, IUnresolvedTypeDefinition type)
{
if (data == null)
throw new ArgumentNullException ("data");
if (parsedDocument == null)
throw new ArgumentNullException ("parsedDocument");
if (type == null)
throw new ArgumentNullException ("type");
// update type from parsed document, since this is always newer.
//type = parsedDocument.GetInnermostTypeDefinition (type.GetLocation ()) ?? type;
List<InsertionPoint> result = new List<InsertionPoint> ();
int offset = data.LocationToOffset (type.Region.Begin);
if (offset < 0 || type.BodyRegion.IsEmpty)
return result;
while (offset < data.Length && data.GetCharAt (offset) != '{') {
offset++;
}
var realStartLocation = data.OffsetToLocation (offset);
result.Add (GetInsertionPosition (data.Document, realStartLocation.Line, realStartLocation.Column));
result [0].LineBefore = NewLineInsertion.None;
foreach (var member in type.Members) {
TextLocation domLocation = member.BodyRegion.End;
if (domLocation.Line <= 0) {
DocumentLine lineSegment = data.GetLine (member.Region.BeginLine);
if (lineSegment == null)
continue;
domLocation = new TextLocation (member.Region.BeginLine, lineSegment.Length + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
foreach (var nestedType in type.NestedTypes) {
TextLocation domLocation = nestedType.BodyRegion.End;
if (domLocation.Line <= 0) {
DocumentLine lineSegment = data.GetLine (nestedType.Region.BeginLine);
if (lineSegment == null)
continue;
domLocation = new TextLocation (nestedType.Region.BeginLine, lineSegment.Length + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
result [result.Count - 1].LineAfter = NewLineInsertion.None;
CheckStartPoint (data.Document, result [0], result.Count == 1);
if (result.Count > 1) {
result.RemoveAt (result.Count - 1);
NewLineInsertion insertLine;
var lineBefore = data.GetLine (type.BodyRegion.EndLine - 1);
if (lineBefore != null && lineBefore.Length == lineBefore.GetIndentation (data.Document).Length) {
insertLine = NewLineInsertion.None;
} else {
insertLine = NewLineInsertion.Eol;
}
// search for line start
int col = type.BodyRegion.EndColumn - 1;
var line = data.GetLine (type.BodyRegion.EndLine);
if (line != null) {
while (col > 1 && char.IsWhiteSpace (data.GetCharAt (line.Offset + col - 2)))
col--;
}
result.Add (new InsertionPoint (new DocumentLocation (type.BodyRegion.EndLine, col), insertLine, NewLineInsertion.Eol));
CheckEndPoint (data.Document, result [result.Count - 1], result.Count == 1);
}
foreach (var region in parsedDocument.UserRegions.Where (r => type.BodyRegion.IsInside (r.Region.Begin))) {
result.Add (new InsertionPoint (new DocumentLocation (region.Region.BeginLine + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.EndLine, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.EndLine + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
}
result.Sort ((left, right) => left.Location.CompareTo (right.Location));
return result;
}
// for markup syntax mode the syntax highlighting information need to be taken into account
// when calculating the selection offsets.
int PosToOffset (TextEditorData data, DocumentLocation loc)
{
LineSegment line = data.GetLine (loc.Line);
if (line == null)
return 0;
Chunk startChunk = data.Document.SyntaxMode.GetChunks (data.Document, data.Parent.ColorStyle, line, line.Offset, line.Length);
int col = 1;
for (Chunk chunk = startChunk; chunk != null; chunk = chunk != null ? chunk.Next : null) {
if (col <= loc.Column && loc.Column < col + chunk.Length)
return chunk.Offset - col + loc.Column;
col += chunk.Length;
}
return line.Offset + line.EditableLength;
}
public static void Backspace(TextEditorData data, Action <TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
{
return;
}
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var visualAnchorLocation = data.LogicalToVisualLocation(data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation(data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column)
{
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn)
{
data.ClearSelection();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++)
{
var lineSegment = data.Document.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualAnchorLocation.Column - 1) - 1;
data.Remove(lineSegment.Offset + insertOffset, 1);
}
var visualColumn = data.GetLine(data.Caret.Location.Line).GetVisualColumn(data, col - 1);
data.MainSelection = new Selection(
new DocumentLocation(data.MainSelection.Anchor.Line, data.GetLine(data.MainSelection.Anchor.Line).GetLogicalColumn(data, visualColumn)),
new DocumentLocation(data.MainSelection.Lead.Line, data.GetLine(data.MainSelection.Lead.Line).GetLogicalColumn(data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText(data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
{
return;
}
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual();
DocumentLine line = data.Document.GetLine(data.Caret.Line);
if (data.Caret.Column > line.Length + 1)
{
data.Caret.Column = line.Length + 1;
}
else if (data.Caret.Offset == line.Offset)
{
DocumentLine lineAbove = data.Document.GetLine(data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual)
{
data.Caret.Location = new DocumentLocation(data.Caret.Line - 1, data.IndentationTracker.GetVirtualIndentationColumn(data.Caret.Line - 1, 1));
data.Replace(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.IndentationTracker.GetIndentationString(data.Caret.Line - 1, 1));
}
else
{
data.Remove(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
}
else
{
removeCharBeforeCaret(data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation();
}
}
public static void Backspace (TextEditorData data, Action<TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected) {
var visualAnchorLocation = data.LogicalToVisualLocation (data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation (data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column) {
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn) {
data.ClearSelection ();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++) {
var lineSegment = data.Document.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualAnchorLocation.Column - 1) - 1;
data.Remove (lineSegment.Offset + insertOffset, 1);
}
var visualColumn = data.GetLine (data.Caret.Location.Line).GetVisualColumn (data, col - 1);
data.MainSelection = new Selection (
new DocumentLocation (data.MainSelection.Anchor.Line, data.GetLine (data.MainSelection.Anchor.Line).GetLogicalColumn (data, visualColumn)),
new DocumentLocation (data.MainSelection.Lead.Line, data.GetLine (data.MainSelection.Lead.Line).GetLogicalColumn (data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText (data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
return;
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual ();
DocumentLine line = data.Document.GetLine (data.Caret.Line);
if (data.Caret.Column > line.Length + 1) {
data.Caret.Column = line.Length + 1;
} else if (data.Caret.Offset == line.Offset) {
DocumentLine lineAbove = data.Document.GetLine (data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual) {
data.Caret.Location = new DocumentLocation (data.Caret.Line - 1, data.IndentationTracker.GetVirtualIndentationColumn (data.Caret.Line - 1, 1));
data.Replace (lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.IndentationTracker.GetIndentationString (data.Caret.Line - 1, 1));
} else {
data.Remove (lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
} else {
removeCharBeforeCaret (data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation ();
}
}
static DocumentLocation LimitColumn (TextEditorData data, DocumentLocation loc)
{
return new DocumentLocation (loc.Line, System.Math.Min (loc.Column, data.GetLine (loc.Line).Length + 1));
}
internal static int GetStartOfLineOffset (TextEditorData data, DocumentLocation loc)
{
var line = data.Document.GetLine (loc.Line);
loc = new DocumentLocation (loc.Line, line.Length + 1);
// handle folding
var foldings = data.Document.GetFoldingsFromOffset (line.Offset);
FoldSegment segment = null;
foreach (FoldSegment folding in foldings) {
if (folding.IsFolded) {
if (segment != null && segment.Offset < folding.Offset)
continue;
segment = folding;
}
}
if (segment != null)
loc = data.Document.OffsetToLocation (segment.StartLine.Offset);
line = data.GetLine (loc.Line);
return line.Offset;
}
public static void CaretLine (TextEditorData data)
{
if (data.Document.LineCount <= 1 || !data.CanEdit (data.Caret.Line))
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected) {
var startLine = data.GetLine (data.MainSelection.Start.Line);
var endLine = data.GetLine (data.MainSelection.End.Line);
data.Remove (startLine.Offset, endLine.EndOffsetIncludingDelimiter - startLine.Offset);
return;
}
var start = GetStartOfLineOffset (data, data.Caret.Location);
var end = GetEndOfLineOffset (data, data.Caret.Location);
data.Remove (start, end - start);
data.Caret.Column = DocumentLocation.MinColumn;
}
}
private static CommandRange FindQuotes(TextEditorData editor, char quotationChar)
{
var start = editor.Caret.Offset;
var end = editor.Caret.Offset;
var lineOffset = editor.GetLine(editor.Caret.Line).Offset;
var lineEndOffset = editor.GetLine(editor.Caret.Line).EndOffset - 1; // Line includes \n
if (editor.Text[start] == quotationChar)
{
// Check if we're on closing char
start = lineOffset;
var openingCandidate = -1;
while (start < end)
{
if (editor.Text[start] == quotationChar & openingCandidate != -1)
openingCandidate = -1;
else if (editor.Text[start] == quotationChar)
openingCandidate = start;
start = start + 1;
}
if (openingCandidate != -1)
{
start = openingCandidate;
}
else
{
// not on closing char, let's find closing one
start = editor.Caret.Offset;
end = start + 1;
while (end < lineEndOffset & editor.Text[end] != quotationChar)
end++;
}
}
else
{
while (start >= lineOffset & editor.Text[start] != quotationChar)
start--;
while (end < lineEndOffset & editor.Text[end] != quotationChar)
end++;
}
if (start < lineOffset || end > lineEndOffset || start == end)
return CommandRange.Empty;
return new CommandRange(start, end);
}
private Tuple<DocumentLine, NumberBookmark> GetLineWithBookmark(TextEditorData editor)
{
var bookmark = BookmarkService.Instance.GetBookmarkLocal(editor.FileName, this.BookmarkNumber);
if (bookmark == null)
return null;
return new Tuple<DocumentLine, NumberBookmark>(editor.GetLine(bookmark.LineNumber), bookmark);
}
int CorrectFormatting (TextEditorData data, int start, int end)
{
int delta = 0;
int lineNumber = data.OffsetToLineNumber (start);
LineSegment line = data.GetLine (lineNumber);
if (line.Offset < start)
lineNumber++;
line = data.GetLine (lineNumber);
if (line == null)
return 0;
bool wholeDocument = end >= data.Document.Length;
do {
string indent = line.GetIndentation (data.Document);
StringBuilder newIndent = new StringBuilder ();
int col = 1;
if (data.Options.TabsToSpaces) {
foreach (char ch in indent) {
if (ch == '\t') {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append (new string (' ', tabWidth));
col += tabWidth;
} else {
newIndent.Append (ch);
}
}
} else {
for (int i = 0; i < indent.Length; i++) {
char ch = indent [i];
if (ch == '\t') {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append (ch);
col += tabWidth;
} else {
int tabWidth = TextViewMargin.GetNextTabstop (data, col) - col;
newIndent.Append ('\t');
col += tabWidth;
while (tabWidth-- > 0 && i + 1 < indent.Length) {
if (indent [i + 1] != ' ')
break;
i++;
}
}
}
}
if (indent.Length == line.EditableLength)
newIndent.Length = 0;
if (line.DelimiterLength != 0) {
delta -= line.DelimiterLength;
delta += data.EolMarker.Length;
data.Replace (line.Offset + line.EditableLength, line.DelimiterLength, data.EolMarker);
if (!wholeDocument) {
end -= line.DelimiterLength;
end += data.EolMarker.Length;
}
}
string replaceWith = newIndent.ToString ();
if (indent != replaceWith) {
int count = (indent ?? "").Length;
delta -= count;
delta += data.Replace (line.Offset, count, replaceWith);
if (!wholeDocument)
end = end - count + replaceWith.Length;
}
lineNumber++;
line = data.GetLine (lineNumber);
} while (line != null && (wholeDocument || line.EndOffset <= end));
return delta;
}
static void IndentCode (TextEditorData data, string lineIndent)
{
for (int i = 1; i < data.LineCount; i++) {
var line = data.GetLine (i + 1);
if (line.Length > 0)
data.Insert (line.Offset, lineIndent);
}
}
internal static int GetEndOfLineOffset (TextEditorData data, DocumentLocation loc, bool includeDelimiter = true)
{
var line = data.Document.GetLine (loc.Line);
loc = new DocumentLocation (loc.Line, line.Length + 1);
// handle folding
var foldings = data.Document.GetStartFoldings (loc.Line);
FoldSegment segment = null;
foreach (FoldSegment folding in foldings) {
if (folding.IsFolded && folding.Contains (data.Document.LocationToOffset (loc))) {
segment = folding;
break;
}
}
if (segment != null)
loc = data.Document.OffsetToLocation (segment.EndLine.Offset + segment.EndColumn - 1);
line = data.GetLine (loc.Line);
return includeDelimiter ? line.EndOffsetIncludingDelimiter : line.EndOffset;
}
public static void InsertNewLine(TextEditorData data)
{
if (!data.CanEditSelection)
{
return;
}
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var end = data.MainSelection.End;
data.DeleteSelectedText();
if (end.Column == 1)
{
CaretMoveActions.InternalCaretMoveHome(data, true, false);
return;
}
}
switch (data.Options.IndentStyle)
{
case IndentStyle.None:
data.InsertAtCaret(data.EolMarker);
break;
case IndentStyle.Auto:
data.EnsureCaretIsNotVirtual();
var indent = data.Document.GetLineIndent(data.Caret.Line);
data.InsertAtCaret(data.EolMarker);
data.EnsureCaretIsNotVirtual();
if (data.GetLine(data.Caret.Line).Length == 0)
{
data.InsertAtCaret(indent);
}
break;
case IndentStyle.Smart:
if (!data.HasIndentationTracker)
{
goto case IndentStyle.Auto;
}
NewLineSmartIndent(data);
break;
case IndentStyle.Virtual:
if (!data.HasIndentationTracker)
{
goto case IndentStyle.Auto;
}
var oldLine = data.Caret.Line;
var curLine = data.GetLine(oldLine);
var indentCol = data.GetVirtualIndentationColumn(data.Caret.Location);
if (curLine.Length >= data.Caret.Column)
{
NewLineSmartIndent(data);
data.FixVirtualIndentation();
data.FixVirtualIndentation(oldLine);
break;
}
data.Insert(data.Caret.Offset, data.EolMarker);
data.FixVirtualIndentation(oldLine);
data.Caret.Column = indentCol;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
textEditorData.DeleteSelectedText(textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
LineSegment line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.EditableLength + 1)
{
string text = Caret.Column > line.EditableLength + 1 ? textEditorData.GetVirtualSpaces(Caret.Line, Caret.Column) + ch.ToString() : ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
int length = 0;
var visualInsertLocation = editor.LogicalToVisualLocation(Caret.Location);
for (int lineNumber = textEditorData.MainSelection.MinLine; lineNumber <= textEditorData.MainSelection.MaxLine; lineNumber++)
{
LineSegment lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
}
else
{
textToInsert = text;
}
length = textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
Caret.PreserveSelection = true;
Caret.Column += length - 1;
textEditorData.MainSelection.Lead = new DocumentLocation(textEditorData.MainSelection.Lead.Line, Caret.Column + 1);
textEditorData.MainSelection.Anchor = new DocumentLocation(textEditorData.MainSelection.Anchor.Line, Caret.Column + 1);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
int length = textEditorData.Insert(Caret.Offset, text);
Caret.Column += length - 1;
}
}
else
{
int length = textEditorData.Replace(Caret.Offset, 1, ch.ToString());
if (length > 1)
{
Caret.Offset += length - 1;
}
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
public static void InsertNewLine (TextEditorData data)
{
if (!data.CanEditSelection)
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected)
data.DeleteSelectedText ();
switch (data.Options.IndentStyle) {
case IndentStyle.None:
data.InsertAtCaret (data.EolMarker);
break;
case IndentStyle.Auto:
data.EnsureCaretIsNotVirtual ();
var sb = new StringBuilder (data.EolMarker);
sb.Append (data.Document.GetLineIndent (data.Caret.Line));
data.InsertAtCaret (sb.ToString ());
break;
case IndentStyle.Smart:
if (!data.HasIndentationTracker)
goto case IndentStyle.Auto;
NewLineSmartIndent (data);
break;
case IndentStyle.Virtual:
if (!data.HasIndentationTracker)
goto case IndentStyle.Auto;
var oldLine = data.Caret.Line;
var curLine = data.GetLine (oldLine);
var indentCol = data.GetVirtualIndentationColumn (data.Caret.Location);
if (curLine.Length >= data.Caret.Column) {
NewLineSmartIndent (data);
data.FixVirtualIndentation ();
data.FixVirtualIndentation (oldLine);
break;
}
data.Insert (data.Caret.Offset, data.EolMarker);
data.FixVirtualIndentation (oldLine);
data.Caret.Column = indentCol;
break;
default:
throw new ArgumentOutOfRangeException ();
}
}
}
// for markup syntax mode the syntax highlighting information need to be taken into account
// when calculating the selection offsets.
int PosToOffset (TextEditorData data, DocumentLocation loc)
{
LineSegment line = data.GetLine (loc.Line);
if (line == null)
return 0;
var startChunk = data.GetChunks (line, line.Offset, line.LengthIncludingDelimiter);
int col = 1;
foreach (Chunk chunk in startChunk) {
if (col <= loc.Column && loc.Column < col + chunk.Length)
return chunk.Offset - col + loc.Column;
col += chunk.Length;
}
return line.Offset + line.Length;
}
static int PastePlainText (TextEditorData data, int offset, string text, bool preserveSelection = false)
{
int inserted = 0;
using (var undo = data.OpenUndoGroup ()) {
var version = data.Document.Version;
if (!preserveSelection)
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
data.EnsureCaretIsNotVirtual ();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation (selection.Anchor);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++) {
var lineSegment = data.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset) {
int visualLastColumn = lineSegment.GetVisualColumn (data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
} else {
textToInsert = text;
}
inserted = data.Insert (lineSegment.Offset + insertOffset, textToInsert);
}
} else {
offset = version.MoveOffsetTo (data.Document.Version, offset);
inserted = data.PasteText (offset, text);
}
}
return inserted;
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString(selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (!pasteBlock && !pasteLine)
{
return;
}
data.Document.BeginAtomicUndo();
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
if (pasteBlock)
{
string[] lines = text.Split('\r');
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
LineSegment curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.EditableLength + 1 < lineCol)
{
result += lineCol - curLine.EditableLength;
data.Insert(curLine.Offset + curLine.EditableLength, new string (' ', lineCol - curLine.EditableLength));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
}
else if (pasteLine)
{
result = text.Length;
LineSegment curLine = data.Document.GetLine(data.Caret.Line);
data.Insert(curLine.Offset, text + data.EolMarker);
if (!preserveState)
{
data.Caret.Offset += text.Length + data.EolMarker.Length;
}
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
* data.Caret.Location,
* lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.Document.EndAtomicUndo();
}
});
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
data.Document.BeginAtomicUndo();
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block)
{
data.Caret.PreserveSelection = true;
data.DeleteSelectedText(false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation(data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++)
{
LineSegment lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
data.Insert(lineSegment.Offset + insertOffset, textToInsert);
data.PasteText(lineSegment.Offset + insertOffset, textToInsert);
}
else
{
textLength = data.Insert(lineSegment.Offset + insertOffset, text);
data.PasteText(lineSegment.Offset + insertOffset, text);
}
}
data.Caret.Offset += textLength;
data.MainSelection.Anchor = new DocumentLocation(System.Math.Max(DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max(DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation(data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
}
else
{
ISegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert(insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
{
data.SelectionRange.Offset += textLength;
}
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset(data) >= insertionOffset)
{
data.MainSelection.Anchor = data.Document.OffsetToLocation(data.MainSelection.GetAnchorOffset(data) + textLength);
}
data.Caret.PreserveSelection = false;
if (!preserveState)
{
data.Caret.Offset += textLength;
}
else
{
if (caretPos >= insertionOffset)
{
data.Caret.Offset += textLength;
}
if (selection != null)
{
int offset = selection.Offset;
if (offset >= insertionOffset)
{
offset += textLength;
}
data.SelectionRange = new Segment(offset, selection.Length);
}
}
data.PasteText(insertionOffset, text);
}
data.Document.EndAtomicUndo();
});
}
return(result);
}
public static void Right(TextEditorData editor)
{
if (editor.GetLine(editor.Caret.Line).EndOffset - editor.Caret.Offset - 1 > 0)
CaretMoveActions.Right(editor);
}
static DocumentLocation LimitColumn(TextEditorData data, DocumentLocation loc)
{
return(new DocumentLocation(loc.Line, System.Math.Min(loc.Column, data.GetLine(loc.Line).Length + 1)));
}
public static void ExpandSelectionToLine (TextEditorData data)
{
using (var undoGroup = data.OpenUndoGroup ()) {
var curLineSegment = data.GetLine (data.Caret.Line).SegmentIncludingDelimiter;
var range = data.SelectionRange;
var selection = TextSegment.FromBounds (
System.Math.Min (range.Offset, curLineSegment.Offset),
System.Math.Max (range.EndOffset, curLineSegment.EndOffset));
data.Caret.PreserveSelection = true;
data.Caret.Offset = selection.EndOffset;
data.Caret.PreserveSelection = false;
data.SelectionRange = selection;
}
}
public static void InsertNewLine (TextEditorData data)
{
if (!data.CanEditSelection)
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected) {
var end = data.MainSelection.End;
data.DeleteSelectedText ();
if (end.Column == 1) {
CaretMoveActions.InternalCaretMoveHome (data, true, false);
return;
}
}
switch (data.Options.IndentStyle) {
case IndentStyle.None:
data.InsertAtCaret (data.EolMarker);
break;
case IndentStyle.Auto:
data.EnsureCaretIsNotVirtual ();
var indent = data.Document.GetLineIndent (data.Caret.Line);
data.InsertAtCaret (data.EolMarker);
data.EnsureCaretIsNotVirtual ();
if (data.GetLine (data.Caret.Line).Length == 0)
data.InsertAtCaret (indent);
break;
case IndentStyle.Smart:
if (!data.HasIndentationTracker)
goto case IndentStyle.Auto;
NewLineSmartIndent (data);
break;
case IndentStyle.Virtual:
if (!data.HasIndentationTracker)
goto case IndentStyle.Auto;
var oldLine = data.Caret.Line;
var curLine = data.GetLine (oldLine);
var indentCol = data.GetVirtualIndentationColumn (data.Caret.Location);
if (curLine.Length >= data.Caret.Column) {
NewLineSmartIndent (data);
data.FixVirtualIndentation ();
data.FixVirtualIndentation (oldLine);
break;
}
data.Insert (data.Caret.Offset, data.EolMarker);
data.FixVirtualIndentation (oldLine);
data.Caret.Column = indentCol;
break;
default:
throw new ArgumentOutOfRangeException ();
}
}
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
if (clipboard.WaitIsTargetAvailable (CopyOperation.MD_ATOM)) {
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString (selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
using (var undo = data.OpenUndoGroup ()) {
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
if (pasteBlock) {
string[] lines = text.Split ('\r');
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines [i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.Length + 1 < lineCol) {
result += lineCol - curLine.Length;
data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert (curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
} else if (pasteLine) {
result = text.Length;
DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
data.Insert (curLine.Offset, text + data.EolMarker);
} else {
int offset = data.Caret.Offset;
data.InsertAtCaret (text);
data.PasteText (offset, text, data.Caret.Offset - offset);
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
data.Caret.Location,
lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return result;
}
if (result < 0 && clipboard.WaitIsTextAvailable ()) {
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
using (var undo = data.OpenUndoGroup ()) {
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
data.Caret.PreserveSelection = true;
data.DeleteSelectedText (false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation (data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++) {
DocumentLine lineSegment = data.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualInsertLocation.Column) - 1;
if (lineSegment.Length < insertOffset) {
int visualLastColumn = lineSegment.GetVisualColumn (data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
int insertedChars = data.Insert (lineSegment.Offset + insertOffset, textToInsert);
data.PasteText (lineSegment.Offset + insertOffset, textToInsert, insertedChars);
} else {
textLength = data.Insert (lineSegment.Offset + insertOffset, text);
data.PasteText (lineSegment.Offset + insertOffset, text, textLength);
}
}
data.MainSelection.Anchor = new DocumentLocation (System.Math.Max (DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max (DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation (data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
} else {
TextSegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert (insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
data.SelectionRange = new TextSegment (data.SelectionRange.Offset + textLength, data.SelectionRange.Length);
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset (data) >= insertionOffset)
data.MainSelection.Anchor = data.Document.OffsetToLocation (data.MainSelection.GetAnchorOffset (data) + textLength);
data.Caret.PreserveSelection = false;
if (!preserveState) {
} else {
if (!selection.IsInvalid) {
int offset = selection.Offset;
if (offset >= insertionOffset)
offset += textLength;
data.SelectionRange = new TextSegment (offset, selection.Length);
}
}
data.PasteText (insertionOffset, text, textLength);
}
}
});
}
return result;
}
public static void Backspace(TextEditorData data, Action <TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
{
return;
}
DocumentLine line;
bool smartBackspace = false;
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var visualAnchorLocation = data.LogicalToVisualLocation(data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation(data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column)
{
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn)
{
data.ClearSelection();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
var changes = new List <Microsoft.CodeAnalysis.Text.TextChange> ();
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++)
{
var lineSegment = data.Document.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualAnchorLocation.Column - 1) - 1;
changes.Add(new Microsoft.CodeAnalysis.Text.TextChange(new Microsoft.CodeAnalysis.Text.TextSpan(lineSegment.Offset + insertOffset, 1), ""));
}
data.Document.ApplyTextChanges(changes);
var visualColumn = data.GetLine(data.Caret.Location.Line).GetVisualColumn(data, col - 1);
data.MainSelection = new MonoDevelop.Ide.Editor.Selection(
new DocumentLocation(data.MainSelection.Anchor.Line, data.GetLine(data.MainSelection.Anchor.Line).GetLogicalColumn(data, visualColumn)),
new DocumentLocation(data.MainSelection.Lead.Line, data.GetLine(data.MainSelection.Lead.Line).GetLogicalColumn(data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText(data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
{
return;
}
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual();
line = data.Document.GetLine(data.Caret.Line);
// smart backspace (delete indentation)
if (data.HasIndentationTracker && (data.IndentationTracker.SupportedFeatures & IndentationTrackerFeatures.SmartBackspace) != 0 && (data.Options.IndentStyle == IndentStyle.Smart || data.Options.IndentStyle == IndentStyle.Virtual) && data.Options.SmartBackspace)
{
if (data.Caret.Column == data.GetVirtualIndentationColumn(data.Caret.Location))
{
bool isAllIndent = line.GetIndentation(data.Document).Length == data.Caret.Column - 1;
if (isAllIndent)
{
if (!data.Options.GenerateFormattingUndoStep)
{
SmartBackspace(data, line);
return;
}
smartBackspace = true;
}
}
}
// normal backspace.
if (data.Caret.Column > line.Length + 1)
{
data.Caret.Column = line.Length + 1;
}
else if (data.Caret.Offset == line.Offset)
{
DocumentLine lineAbove = data.Document.GetLine(data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual)
{
data.Caret.Location = new DocumentLocation(data.Caret.Line - 1, data.GetVirtualIndentationColumn(data.Caret.Line - 1, 1));
data.Replace(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.GetIndentationString(data.Caret.Line - 1, 1));
}
else
{
data.Remove(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
}
else
{
removeCharBeforeCaret(data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation();
}
if (data.Options.GenerateFormattingUndoStep && smartBackspace)
{
using (var undo = data.OpenUndoGroup()) {
data.EnsureCaretIsNotVirtual();
SmartBackspace(data, line);
}
}
}
private InsertionPoint GetInsertionPoint(MonoDevelop.Ide.Gui.Document document, IType type)
{
data = document.Editor;
if (data == null) {
throw new System.ArgumentNullException ("data");
}
var parsedDocument = document.ParsedDocument;
if (parsedDocument == null) {
throw new System.ArgumentNullException ("parsedDocument");
}
if (type == null) {
throw new System.ArgumentNullException ("type");
}
type = (parsedDocument.CompilationUnit.GetTypeAt (type.Location) ?? type);
DomRegion domRegion = type.BodyRegion;
var start = type.BodyRegion.Start.Line;
indent = data.GetLine(start).GetIndentation(data.Document);
DomLocation domLocation = domRegion.End;
int num = data.LocationToOffset (domLocation.Line, 1);
while (num < data.Length && data.GetCharAt(num) != '}') {
num++;
}
num++;
DocumentLocation documentLocation = data.OffsetToLocation (num);
LineSegment lineAfterClassEnd = data.GetLine (domLocation.Line + 1);
NewLineInsertion lineAfter;
if (lineAfterClassEnd != null && lineAfterClassEnd.EditableLength == lineAfterClassEnd.GetIndentation (data.Document).Length)
lineAfter = NewLineInsertion.BlankLine;
else
lineAfter = NewLineInsertion.None;
return new InsertionPoint (documentLocation, NewLineInsertion.None, lineAfter);
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
if (textEditorData.IsSomethingSelected && textEditorData.Options.EnableSelectionWrappingKeys && IsSpecialKeyForSelection(unicodeKey))
{
textEditorData.SelectionSurroundingProvider.HandleSpecialSelectionKey(textEditorData, unicodeKey);
return;
}
textEditorData.DeleteSelectedText(
textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
// Needs to be called after delete text, delete text handles virtual caret postitions itself,
// but afterwards the virtual position may need to be restored.
textEditorData.EnsureCaretIsNotVirtual();
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
DocumentLine line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.Length + 1)
{
string text = ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
var visualInsertLocation = textEditorData.LogicalToVisualLocation(Caret.Location);
var selection = textEditorData.MainSelection;
Caret.PreserveSelection = true;
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
DocumentLine lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) +
new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
var visualColumn = textEditorData.GetLine(Caret.Location.Line).GetVisualColumn(textEditorData, Caret.Column);
textEditorData.MainSelection = new Selection(
new DocumentLocation(selection.Anchor.Line, textEditorData.GetLine(selection.Anchor.Line).GetLogicalColumn(textEditorData, visualColumn)),
new DocumentLocation(selection.Lead.Line, textEditorData.GetLine(selection.Lead.Line).GetLogicalColumn(textEditorData, visualColumn)),
SelectionMode.Block
);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
textEditorData.Insert(Caret.Offset, text);
}
}
else
{
textEditorData.Replace(Caret.Offset, 1, ch.ToString());
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
// Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
