private int GetOffsetFromIndentation(int indentation, IEditorOptions option)
{
int numberOfTabs = 0;
int numberOfSpaces = Math.Max(0, indentation);
if (!option.IsConvertTabsToSpacesEnabled())
{
var tabSize = option.GetTabSize();
numberOfTabs = indentation / tabSize;
numberOfSpaces -= numberOfTabs * tabSize;
}
return(numberOfTabs + numberOfSpaces);
}
static string GetIndentString(int indent, IEditorOptions options)
{
if (options.IsConvertTabsToSpacesEnabled())
{
return(new string (' ', indent));
}
var tabSize = options.GetTabSize();
int tabs = indent / tabSize;
int spaces = indent - tabs * tabSize;
var indentStr = new string ('\t', tabs);
if (spaces > 0)
{
indentStr += new string (' ', spaces);
}
return(indentStr);
}
public bool TryGetDocumentOption(Document document, OptionKey option, OptionSet underlyingOptions, out object value)
{
// From the document, look up the ITextBuffer, and find its IEditorOptions.
// Note that IEditorOptions are also available from an ITextView. Not sure if those options can differ from the ones on the buffer.
var workspace = PrimaryWorkspace.Workspace as VisualStudioWorkspace;
var textBuffer = workspace?.GetTextBufferForDocument(document.Id);
IEditorOptions editorOptions = textBuffer?.Properties[typeof(IEditorOptions)] as IEditorOptions;
if (editorOptions == null)
{
value = null;
return(false);
}
// Check if the OptionKey is one of the ones we want to override with values from the IEditorOptions
if (option.Option == FormattingOptions.UseTabs)
{
value = !editorOptions.IsConvertTabsToSpacesEnabled();
return(true);
}
else if (option.Option == FormattingOptions.TabSize)
{
value = editorOptions.GetTabSize();
return(true);
}
else if (option.Option == FormattingOptions.IndentationSize)
{
value = editorOptions.GetIndentSize();
return(true);
}
else if (option.Option == FormattingOptions.NewLine)
{
value = editorOptions.GetNewLineCharacter();
return(true);
}
else
{
value = null;
return(false);
}
}
internal static FormattingOptions CreateFormattingOptions(IEditorOptions editorOptions, ITextSnapshot snapshot) {
FormattingOptions res = new FormattingOptions();
if (editorOptions.IsConvertTabsToSpacesEnabled()) {
res.SpacesPerIndent = editorOptions.GetIndentSize();
} else {
res.SpacesPerIndent = null;
}
res.NewLine = VsExtensions.GetNewLineText(snapshot);
res.SpaceAfterComma = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceAfterComma;
res.SpaceAfterSemiColonInFor = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceAfterSemicolonInFor;
res.SpaceBeforeAndAfterBinaryOperator = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceBeforeAndAfterBinaryOperator;
res.SpaceAfterKeywordsInControlFlowStatements = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceAfterKeywordsInControlFlow;
res.SpaceAfterFunctionInAnonymousFunctions = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceAfterFunctionKeywordForAnonymousFunctions;
res.SpaceAfterOpeningAndBeforeClosingNonEmptyParenthesis = NodejsPackage.Instance.FormattingSpacingOptionsPage.SpaceAfterOpeningAndBeforeClosingNonEmptyParens;
res.OpenBracesOnNewLineForFunctions = NodejsPackage.Instance.FormattingBracesOptionsPage.BraceOnNewLineForFunctions;
res.OpenBracesOnNewLineForControl = NodejsPackage.Instance.FormattingBracesOptionsPage.BraceOnNewLineForControlBlocks;
return res;
}
public override bool Indent()
{
bool singleLineSelection = (GetStartPoint().LineNumber == GetEndPoint().LineNumber);
bool entireLastLineSelected
= (GetStartPoint().CurrentPosition != GetEndPoint().CurrentPosition&&
GetStartPoint().CurrentPosition == TextBuffer.GetEndPoint().StartOfLine&&
GetEndPoint().CurrentPosition == TextBuffer.GetEndPoint().EndOfLine);
if (singleLineSelection && !entireLastLineSelected)
{
TextPoint endPoint = GetEndPoint();
if (!Delete())
{
return(false);
}
if (!endPoint.InsertIndent())
{
return(false);
}
TextView.AdvancedTextView.Caret.MoveTo(endPoint.AdvancedTextPoint);
}
else // indent the selected lines
{
VirtualSnapshotPoint oldStartPoint = TextSelection.Start;
VirtualSnapshotPoint oldEndPoint = TextSelection.End;
bool isReversed = TextSelection.IsReversed;
ITextSnapshotLine startLine = AdvancedTextRange.Snapshot.GetLineFromPosition(oldStartPoint.Position);
ITextSnapshotLine endLine = AdvancedTextRange.Snapshot.GetLineFromPosition(oldEndPoint.Position);
// If the selection span initially starts at the whitespace at the beginning of the line in the startLine or
// ends at the whitespace at the beginning of the line in the endLine, restore selection and caret position,
// *unless* the selection was in box mode.
bool startAtStartLineWhitespace = oldStartPoint.Position <= _textView.GetTextPoint(startLine.Start).GetFirstNonWhiteSpaceCharacterOnLine().CurrentPosition;
bool endAtEndLineWhitespace = oldEndPoint.Position < _textView.GetTextPoint(endLine.Start).GetFirstNonWhiteSpaceCharacterOnLine().CurrentPosition;
bool isBoxSelection = AdvancedSelection.Mode == TextSelectionMode.Box;
if (isBoxSelection)
{
if (!this.BoxIndent())
{
return(false);
}
}
else
{
if (!TextRange.Indent())
{
return(false);
}
}
// Computing the new selection and caret position
VirtualSnapshotPoint newStartPoint = TextSelection.Start;
VirtualSnapshotPoint newEndPoint = TextSelection.End;
if (!isBoxSelection && (startAtStartLineWhitespace || endAtEndLineWhitespace))
{
// After indent selection span should start at the start of startLine and end at the start of endLine
if (startAtStartLineWhitespace)
{
newStartPoint = new VirtualSnapshotPoint(AdvancedTextRange.Snapshot, oldStartPoint.Position.Position);
}
if (endAtEndLineWhitespace && oldEndPoint.Position.Position != endLine.Start && endLine.Length != 0)
{
int insertedTextSize = _editorOptions.IsConvertTabsToSpacesEnabled() ? _editorOptions.GetTabSize() : 1;
newEndPoint = new VirtualSnapshotPoint(AdvancedTextRange.Snapshot, newEndPoint.Position.Position - insertedTextSize);
}
if (!isReversed)
{
TextSelection.Select(newStartPoint, newEndPoint);
}
else
{
TextSelection.Select(newEndPoint, newStartPoint);
}
TextView.AdvancedTextView.Caret.MoveTo(TextSelection.ActivePoint, PositionAffinity.Successor);
}
}
TextView.AdvancedTextView.Caret.EnsureVisible();
return(true);
}