static void InsertDocumentationComments(ITextEditor editor, int lineNr, int cursorOffset)
{
string terminator = DocumentUtilitites.GetLineTerminator(editor.Document, lineNr);
IDocumentLine currentLine = editor.Document.GetLine(lineNr);
IDocumentLine previousLine = (lineNr > 1) ? editor.Document.GetLine(lineNr - 1) : null;
string curLineText = currentLine.Text;
string lineAboveText = previousLine == null ? null : previousLine.Text;
if (curLineText != null && curLineText.EndsWith("'''", StringComparison.OrdinalIgnoreCase) && (lineAboveText == null || !lineAboveText.Trim().StartsWith("'''", StringComparison.OrdinalIgnoreCase)))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(editor.Document, currentLine.Offset);
object member = GetMemberAfter(editor, lineNr);
if (member != null)
{
StringBuilder sb = new StringBuilder();
sb.Append(" <summary>");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("''' ");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("''' </summary>");
if (member is IMethod)
{
IMethod method = (IMethod)member;
if (method.Parameters != null && method.Parameters.Count > 0)
{
for (int i = 0; i < method.Parameters.Count; ++i)
{
sb.Append(terminator);
sb.Append(indentation);
sb.Append("''' <param name=\"");
sb.Append(method.Parameters[i].Name);
sb.Append("\"></param>");
}
}
if (method.ReturnType != null && !method.IsConstructor && method.ReturnType.FullyQualifiedName != "System.Void")
{
sb.Append(terminator);
sb.Append(indentation);
sb.Append("''' <returns></returns>");
}
}
editor.Document.Insert(cursorOffset, sb.ToString());
editor.Caret.Position = editor.Document.OffsetToPosition(cursorOffset + indentation.Length + "/// ".Length + " <summary>".Length + terminator.Length);
}
}
}
protected override void Run(ITextEditor editor, string clipboardText)
{
string indentation = GetIndentation(editor.Document, editor.Caret.Line);
IAmbience ambience = AmbienceService.GetCurrentAmbience();
int maxLineLength = editor.Options.VerticalRulerColumn - VisualIndentationLength(editor, indentation);
StringWriter insertedText = new StringWriter();
insertedText.NewLine = DocumentUtilitites.GetLineTerminator(editor.Document, editor.Caret.Line);
using (StringReader reader = new StringReader(clipboardText)) {
string line;
while ((line = reader.ReadLine()) != null)
{
AppendTextLine(indentation, ambience, maxLineLength, insertedText, line);
}
}
IDocument document = editor.Document;
int insertionPos = document.GetLine(editor.Caret.Line).Offset + indentation.Length;
document.Insert(insertionPos, insertedText.ToString());
}
/// <summary>
/// C# only.
/// </summary>
public static void AddCodeToMethodStart(IMember m, ITextEditor textArea, string newCode)
{
int methodStart = FindMethodStartOffset(textArea.Document, m.BodyRegion);
if (methodStart < 0)
{
return;
}
textArea.Select(methodStart, 0);
using (textArea.Document.OpenUndoGroup()) {
int startLine = textArea.Caret.Line;
foreach (string newCodeLine in newCode.Split('\n'))
{
textArea.Document.Insert(textArea.Caret.Offset,
DocumentUtilitites.GetLineTerminator(textArea.Document, textArea.Caret.Line) + newCodeLine);
}
int endLine = textArea.Caret.Line;
textArea.Language.FormattingStrategy.IndentLines(textArea, startLine, endLine);
}
}
public string GetOldVersionFromLine(int lineNumber, out int newStartLine, out bool added)
{
LineChangeInfo info = changeList[lineNumber];
added = info.Change == ChangeType.Added;
if (info.Change != ChangeType.None && info.Change != ChangeType.Unsaved)
{
newStartLine = CalculateNewStartLineNumber(lineNumber);
if (info.Change == ChangeType.Added)
{
return("");
}
var startDocumentLine = baseDocument.GetLine(info.OldStartLineNumber + 1);
var endLine = baseDocument.GetLine(info.OldEndLineNumber);
return(TextUtilities.NormalizeNewLines(baseDocument.GetText(startDocumentLine.Offset, endLine.EndOffset - startDocumentLine.Offset), DocumentUtilitites.GetLineTerminator(document, newStartLine == 0 ? 1 : newStartLine)));
}
newStartLine = 0;
return(null);
}
void FormatLineInternal(ITextEditor editor, int lineNr, int cursorOffset, char ch)
{
string terminator = DocumentUtilitites.GetLineTerminator(editor.Document, lineNr);
doCasing = PropertyService.Get("VBBinding.TextEditor.EnableCasing", true);
doInsertion = PropertyService.Get("VBBinding.TextEditor.EnableEndConstructs", true);
IDocumentLine currentLine = editor.Document.GetLine(lineNr);
IDocumentLine lineAbove = lineNr > 1 ? editor.Document.GetLine(lineNr - 1) : null;
string curLineText = currentLine == null ? "" : currentLine.Text;
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
if (ch == '\'')
{
InsertDocumentationComments(editor, lineNr, cursorOffset);
}
if (ch == '\n' && lineAboveText != null)
{
if (LanguageUtils.IsInsideDocumentationComment(editor, lineAbove, lineAbove.EndOffset))
{
editor.Document.Insert(cursorOffset, "''' ");
return;
}
string textToReplace = lineAboveText.TrimLine();
if (doCasing)
{
DoCasingOnLine(lineAbove, textToReplace, editor);
}
if (doInsertion)
{
DoInsertionOnLine(terminator, currentLine, lineAbove, textToReplace, editor, lineNr);
}
if (IsInString(lineAboveText))
{
if (IsFinishedString(curLineText))
{
editor.Document.Insert(lineAbove.EndOffset, "\" & _");
editor.Document.Insert(currentLine.Offset, "\"");
}
else
{
editor.Document.Insert(lineAbove.EndOffset, "\"");
}
}
else
{
string indent = DocumentUtilitites.GetWhitespaceAfter(editor.Document, lineAbove.Offset);
if (indent.Length > 0)
{
string newLineText = indent + currentLine.Text.Trim();
editor.Document.Replace(currentLine.Offset, currentLine.Length, newLineText);
}
editor.Caret.Column = indent.Length + 1;
}
IndentLines(editor, lineNr - 1, lineNr);
}
else if (ch == '>')
{
if (LanguageUtils.IsInsideDocumentationComment(editor, currentLine, cursorOffset))
{
int column = editor.Caret.Offset - currentLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index > 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">", StringComparison.OrdinalIgnoreCase))
{
tag += ">";
}
if (!tag.StartsWith("/", StringComparison.OrdinalIgnoreCase))
{
string endTag = "</" + tag.Substring(1);
editor.Document.Insert(editor.Caret.Offset, endTag);
editor.Caret.Offset -= endTag.Length;
}
}
}
}
}
void FormatLineInternal(ITextEditor textArea, int lineNr, int cursorOffset, char ch)
{
IDocumentLine curLine = textArea.Document.GetLine(lineNr);
IDocumentLine lineAbove = lineNr > 1 ? textArea.Document.GetLine(lineNr - 1) : null;
string terminator = DocumentUtilitites.GetLineTerminator(textArea.Document, lineNr);
string curLineText;
//// local string for curLine segment
if (ch == '/')
{
curLineText = curLine.Text;
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
if (curLineText != null && curLineText.EndsWith("///") && (lineAboveText == null || !lineAboveText.Trim().StartsWith("///")))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
object member = GetMemberAfter(textArea, lineNr);
if (member != null)
{
StringBuilder sb = new StringBuilder();
sb.Append(" <summary>");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("/// ");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("/// </summary>");
if (member is IMethod)
{
IMethod method = (IMethod)member;
if (method.Parameters != null && method.Parameters.Count > 0)
{
for (int i = 0; i < method.Parameters.Count; ++i)
{
sb.Append(terminator);
sb.Append(indentation);
sb.Append("/// <param name=\"");
sb.Append(method.Parameters[i].Name);
sb.Append("\"></param>");
}
}
if (method.ReturnType != null && !method.IsConstructor && method.ReturnType.FullyQualifiedName != "System.Void")
{
sb.Append(terminator);
sb.Append(indentation);
sb.Append("/// <returns></returns>");
}
}
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset = cursorOffset + indentation.Length + "/// ".Length + " <summary>".Length + terminator.Length;
}
}
return;
}
if (ch != '\n' && ch != '>')
{
if (IsInsideStringOrComment(textArea, curLine, cursorOffset))
{
return;
}
}
switch (ch)
{
case '>':
if (IsInsideDocumentationComment(textArea, curLine, cursorOffset))
{
curLineText = curLine.Text;
int column = cursorOffset - curLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index >= 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">"))
{
tag += ">";
}
if (!tag.StartsWith("/"))
{
textArea.Document.Insert(cursorOffset, "</" + tag.Substring(1), AnchorMovementType.BeforeInsertion);
}
}
}
break;
case ':':
case ')':
case ']':
case '}':
case '{':
//if (textArea.Document.TextEditorProperties.IndentStyle == IndentStyle.Smart) {
IndentLine(textArea, curLine);
//}
break;
case '\n':
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
//// curLine might have some text which should be added to indentation
curLineText = curLine.Text;
if (lineAbove != null && lineAbove.Text.Trim().StartsWith("#region") &&
NeedEndregion(textArea.Document))
{
textArea.Document.Insert(cursorOffset, "#endregion");
return;
}
ISyntaxHighlighter highlighter = textArea.GetService(typeof(ISyntaxHighlighter)) as ISyntaxHighlighter;
bool isInMultilineComment = false;
bool isInMultilineString = false;
if (highlighter != null && lineAbove != null)
{
var spanStack = highlighter.GetSpanColorNamesFromLineStart(lineNr);
isInMultilineComment = spanStack.Contains(SyntaxHighligherKnownSpanNames.Comment);
isInMultilineString = spanStack.Contains(SyntaxHighligherKnownSpanNames.String);
}
bool isInNormalCode = !(isInMultilineComment || isInMultilineString);
if (lineAbove != null && isInMultilineComment)
{
string lineAboveTextTrimmed = lineAboveText.TrimStart();
if (lineAboveTextTrimmed.StartsWith("/*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, " * ");
return;
}
if (lineAboveTextTrimmed.StartsWith("*", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, "* ");
return;
}
}
if (lineAbove != null && isInNormalCode)
{
IDocumentLine nextLine = lineNr + 1 <= textArea.Document.TotalNumberOfLines ? textArea.Document.GetLine(lineNr + 1) : null;
string nextLineText = (nextLine != null) ? nextLine.Text : "";
int indexAbove = lineAboveText.IndexOf("///");
int indexNext = nextLineText.IndexOf("///");
if (indexAbove > 0 && (indexNext != -1 || indexAbove + 4 < lineAbove.Length))
{
textArea.Document.Insert(cursorOffset, "/// ");
return;
}
if (IsInNonVerbatimString(lineAboveText, curLineText))
{
textArea.Document.Insert(cursorOffset, "\"");
textArea.Document.Insert(lineAbove.Offset + lineAbove.Length,
"\" +");
}
}
if (textArea.Options.AutoInsertBlockEnd && lineAbove != null && isInNormalCode)
{
string oldLineText = lineAbove.Text;
if (oldLineText.EndsWith("{"))
{
if (NeedCurlyBracket(textArea.Document.Text))
{
int insertionPoint = curLine.Offset + curLine.Length;
textArea.Document.Insert(insertionPoint, terminator + "}");
IndentLine(textArea, textArea.Document.GetLine(lineNr + 1));
textArea.Caret.Offset = insertionPoint;
}
}
}
return;
}
}
void DisplayTooltip(MouseEventArgs e)
{
int line = GetLineFromMousePosition(e);
if (line == 0)
{
return;
}
int startLine;
bool added;
string oldText = changeWatcher.GetOldVersionFromLine(line, out startLine, out added);
TextEditor editor = this.TextView.Services.GetService(typeof(TextEditor)) as TextEditor;
markerService = this.TextView.Services.GetService(typeof(ITextMarkerService)) as ITextMarkerService;
LineChangeInfo zeroLineInfo = changeWatcher.GetChange(0);
int offset, length;
bool hasNewVersion = changeWatcher.GetNewVersionFromLine(line, out offset, out length);
if (line == 1 && zeroLineInfo.Change == ChangeType.Deleted)
{
int zeroStartLine; bool zeroAdded;
startLine = 1;
string deletedText = changeWatcher.GetOldVersionFromLine(0, out zeroStartLine, out zeroAdded);
var docLine = editor.Document.GetLineByNumber(line);
string newLine = DocumentUtilitites.GetLineTerminator(changeWatcher.CurrentDocument, 1);
deletedText += newLine;
deletedText += editor.Document.GetText(docLine.Offset, docLine.Length);
if (oldText != null)
{
oldText = deletedText + newLine + oldText;
}
else
{
oldText = deletedText;
}
if (!hasNewVersion)
{
offset = 0;
length = docLine.Length;
hasNewVersion = true;
}
}
if (hasNewVersion)
{
if (marker != null)
{
markerService.Remove(marker);
}
if (length <= 0)
{
marker = null;
length = 0;
}
else
{
marker = markerService.Create(offset, length);
marker.BackgroundColor = Colors.LightGreen;
}
}
if (oldText != null)
{
LineChangeInfo currLineInfo = changeWatcher.GetChange(startLine);
if (currLineInfo.Change == ChangeType.Deleted && !(line == 1 && zeroLineInfo.Change == ChangeType.Deleted))
{
var docLine = editor.Document.GetLineByNumber(startLine);
if (docLine.DelimiterLength == 0)
{
oldText = DocumentUtilitites.GetLineTerminator(changeWatcher.CurrentDocument, startLine) + oldText;
}
oldText = editor.Document.GetText(docLine.Offset, docLine.TotalLength) + oldText;
}
DiffControl differ = new DiffControl();
differ.editor.SyntaxHighlighting = editor.SyntaxHighlighting;
differ.editor.HorizontalScrollBarVisibility = ScrollBarVisibility.Hidden;
differ.editor.VerticalScrollBarVisibility = ScrollBarVisibility.Hidden;
differ.editor.Document.Text = oldText;
differ.Background = Brushes.White;
if (oldText == string.Empty)
{
differ.editor.Visibility = Visibility.Collapsed;
differ.copyButton.Visibility = Visibility.Collapsed;
}
else
{
var baseDocument = new TextDocument(DocumentUtilitites.GetTextSource(changeWatcher.BaseDocument));
if (differ.editor.SyntaxHighlighting != null)
{
var mainHighlighter = new DocumentHighlighter(baseDocument, differ.editor.SyntaxHighlighting.MainRuleSet);
var popupHighlighter = differ.editor.TextArea.GetService(typeof(IHighlighter)) as DocumentHighlighter;
popupHighlighter.InitialSpanStack = mainHighlighter.GetSpanStack(currLineInfo.OldStartLineNumber);
}
}
differ.revertButton.Click += delegate {
if (hasNewVersion)
{
Document.Replace(offset, length, oldText);
tooltip.IsOpen = false;
}
};
tooltip.Child = new Border()
{
Child = differ,
BorderBrush = Brushes.Black,
BorderThickness = new Thickness(1)
};
if (tooltip.IsOpen)
{
tooltip.IsOpen = false;
}
tooltip.IsOpen = true;
tooltip.Closed += delegate {
if (marker != null)
{
markerService.Remove(marker);
}
};
tooltip.HorizontalOffset = -10;
tooltip.VerticalOffset =
TextView.GetVisualTopByDocumentLine(startLine) - TextView.ScrollOffset.Y;
tooltip.Placement = PlacementMode.Top;
tooltip.PlacementTarget = this.TextView;
}
}
void FormatLineInternal(ITextEditor textArea, int lineNr, int cursorOffset, char ch)
{
IDocumentLine curLine = textArea.Document.GetLine(lineNr);
IDocumentLine lineAbove = lineNr > 1 ? textArea.Document.GetLine(lineNr - 1) : null;
string terminator = DocumentUtilitites.GetLineTerminator(textArea.Document, lineNr);
string curLineText;
//// local string for curLine segment
if (ch == '-')
{
curLineText = curLine.Text;
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
if (curLineText != null && curLineText.EndsWith("---") && (lineAboveText == null || !lineAboveText.Trim().StartsWith("---")))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
StringBuilder sb = new StringBuilder();
sb.Append(" <summary>");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("--- ");
sb.Append(terminator);
sb.Append(indentation);
sb.Append("--- </summary>");
//sb.Append(terminator);
//sb.Append(indentation);
//sb.Append("--- <returns></returns>");
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset = cursorOffset + indentation.Length + "--- ".Length + " <summary>".Length + terminator.Length;
}
else if (curLineText != null && curLineText.Trim() == "-" && (lineAboveText != null && lineAboveText.Trim().StartsWith("---")))
{
StringBuilder sb = new StringBuilder();
sb.Append("-- ");
//sb.Append(terminator);
//sb.Append(indentation);
//sb.Append("--- <returns></returns>");
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset = cursorOffset + "-- ".Length;
}
return;
}
if (ch != '\n' && ch != '>')
{
if (IsInsideStringOrComment(textArea, curLine, cursorOffset))
{
return;
}
}
if (IsInsideStringOrComment(textArea, curLine, cursorOffset) == false &&
textArea.Caret.Offset == curLine.EndOffset && // end of line, not editing something inside the line
(curLine.Text.TrimEnd().EndsWith("then") ||
curLine.Text.TrimEnd().EndsWith("do")))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
StringBuilder sb = new StringBuilder();
sb.Append(terminator);
sb.Append(indentation + textArea.Options.IndentationString);
sb.Append(terminator);
sb.Append(indentation);
sb.Append("end");
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset =
cursorOffset
+ terminator.Length // end of line
+ indentation.Length // indentation
+ textArea.Options.IndentationString.Length
;
}
if (IsInsideStringOrComment(textArea, curLine, cursorOffset) == false &&
textArea.Caret.Offset == curLine.EndOffset && // end of line, not editing something inside the line
curLine.Text.TrimStart().StartsWith("repeat"))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
StringBuilder sb = new StringBuilder();
sb.Append(terminator);
sb.Append(indentation + textArea.Options.IndentationString);
sb.Append(terminator);
sb.Append(indentation);
sb.Append("until ");
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset =
cursorOffset
+ indentation.Length
+ terminator.Length // line 1
+ indentation.Length
+ textArea.Options.IndentationString.Length
+ terminator.Length // line 2
+ "until ".Length
;
}
switch (ch)
{
case '>':
if (IsInsideDocumentationComment(textArea, curLine, cursorOffset))
{
curLineText = curLine.Text;
int column = cursorOffset - curLine.Offset;
int index = Math.Min(column - 1, curLineText.Length - 1);
while (index >= 0 && curLineText[index] != '<')
{
--index;
if (curLineText[index] == '/')
{
return; // the tag was an end tag or already
}
}
if (index > 0)
{
StringBuilder commentBuilder = new StringBuilder("");
for (int i = index; i < curLineText.Length && i < column && !Char.IsWhiteSpace(curLineText[i]); ++i)
{
commentBuilder.Append(curLineText[i]);
}
string tag = commentBuilder.ToString().Trim();
if (!tag.EndsWith(">"))
{
tag += ">";
}
if (!tag.StartsWith("/"))
{
textArea.Document.Insert(cursorOffset, "</" + tag.Substring(1), AnchorMovementType.BeforeInsertion);
}
}
}
break;
case ')':
if (curLine.Text.TrimStart().StartsWith("function"))
{
string indentation = DocumentUtilitites.GetWhitespaceAfter(textArea.Document, curLine.Offset);
StringBuilder sb = new StringBuilder();
sb.Append(terminator);
sb.Append(indentation + textArea.Options.IndentationString);
sb.Append(terminator);
sb.Append(indentation);
sb.Append("end");
textArea.Document.Insert(cursorOffset, sb.ToString());
textArea.Caret.Offset =
cursorOffset
+ terminator.Length // end of line
+ indentation.Length // indentation
+ textArea.Options.IndentationString.Length
;
}
else
{
IndentLine(textArea, curLine);
}
break;
case ':':
case ']':
case '}':
case '{':
IndentLine(textArea, curLine);
break;
case '\n':
string lineAboveText = lineAbove == null ? "" : lineAbove.Text;
//// curLine might have some text which should be added to indentation
curLineText = curLine.Text;
ISyntaxHighlighter highlighter = textArea.GetService(typeof(ISyntaxHighlighter)) as ISyntaxHighlighter;
bool isInMultilineComment = false;
bool isInMultilineString = false;
if (highlighter != null && lineAbove != null)
{
var spanStack = highlighter.GetSpanColorNamesFromLineStart(lineNr);
isInMultilineComment = spanStack.Contains(SyntaxHighligherKnownSpanNames.Comment);
isInMultilineString = spanStack.Contains(SyntaxHighligherKnownSpanNames.String);
}
bool isInNormalCode = !(isInMultilineComment || isInMultilineString);
if (lineAbove != null && isInMultilineComment)
{
string lineAboveTextTrimmed = lineAboveText.TrimStart();
if (lineAboveTextTrimmed.StartsWith("--[[", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, " - ");
return;
}
if (lineAboveTextTrimmed.StartsWith("-", StringComparison.Ordinal))
{
textArea.Document.Insert(cursorOffset, "- ");
return;
}
}
if (lineAbove != null && isInNormalCode)
{
IDocumentLine nextLine = lineNr + 1 <= textArea.Document.TotalNumberOfLines ? textArea.Document.GetLine(lineNr + 1) : null;
string nextLineText = (nextLine != null) ? nextLine.Text : "";
int indexAbove = lineAboveText.IndexOf("---");
int indexNext = nextLineText.IndexOf("---");
if (indexAbove > 0 && (indexNext != -1 || indexAbove + 4 < lineAbove.Length))
{
textArea.Document.Insert(cursorOffset, "--- ");
return;
}
if (IsInNonVerbatimString(lineAboveText, curLineText))
{
textArea.Document.Insert(cursorOffset, "\"");
textArea.Document.Insert(lineAbove.Offset + lineAbove.Length,
"\" +");
}
}
return;
}
}
void DisplayTooltip(MouseEventArgs e)
{
int line = GetLineFromMousePosition(e);
if (line == 0)
{
return;
}
int startLine;
bool added;
string oldText = changeWatcher.GetOldVersionFromLine(line, out startLine, out added);
TextEditor editor = this.TextView.Services.GetService(typeof(TextEditor)) as TextEditor;
markerService = this.TextView.Services.GetService(typeof(ITextMarkerService)) as ITextMarkerService;
int offset, length;
bool hasNewVersion = changeWatcher.GetNewVersionFromLine(line, out offset, out length);
if (hasNewVersion)
{
if (marker != null)
{
markerService.Remove(marker);
}
if (length <= 0)
{
marker = null;
length = 0;
}
else
{
marker = markerService.Create(offset, length);
marker.BackgroundColor = Colors.LightGreen;
}
}
if (oldText != null)
{
DiffControl differ = new DiffControl();
differ.editor.SyntaxHighlighting = editor.SyntaxHighlighting;
differ.editor.HorizontalScrollBarVisibility = ScrollBarVisibility.Hidden;
differ.editor.VerticalScrollBarVisibility = ScrollBarVisibility.Hidden;
differ.editor.Document.Text = oldText;
differ.Background = Brushes.White;
// TODO : deletions on line 0 cannot be displayed.
LineChangeInfo prevLineInfo = changeWatcher.GetChange(startLine - 1);
LineChangeInfo lineInfo = changeWatcher.GetChange(startLine);
if (prevLineInfo.Change == ChangeType.Deleted)
{
var docLine = editor.Document.GetLineByNumber(startLine - 1);
differ.editor.Document.Insert(0, editor.Document.GetText(docLine.Offset, docLine.TotalLength));
}
if (oldText == string.Empty)
{
differ.editor.Visibility = Visibility.Collapsed;
differ.copyButton.Visibility = Visibility.Collapsed;
}
else
{
var baseDocument = new TextDocument(changeWatcher.BaseDocument.Text);
if (differ.editor.SyntaxHighlighting != null)
{
var mainHighlighter = new DocumentHighlighter(baseDocument, differ.editor.SyntaxHighlighting.MainRuleSet);
var popupHighlighter = differ.editor.TextArea.GetService(typeof(IHighlighter)) as DocumentHighlighter;
if (prevLineInfo.Change == ChangeType.Deleted)
{
popupHighlighter.InitialSpanStack = mainHighlighter.GetSpanStack(prevLineInfo.OldStartLineNumber);
}
else
{
popupHighlighter.InitialSpanStack = mainHighlighter.GetSpanStack(lineInfo.OldStartLineNumber);
}
}
}
differ.revertButton.Click += delegate {
if (hasNewVersion)
{
int delimiter = 0;
DocumentLine l = Document.GetLineByOffset(offset + length);
if (added)
{
delimiter = l.DelimiterLength;
}
if (length == 0)
{
oldText += DocumentUtilitites.GetLineTerminator(new AvalonEditDocumentAdapter(Document, null), l.LineNumber);
}
Document.Replace(offset, length + delimiter, oldText);
tooltip.IsOpen = false;
}
};
tooltip.Child = new Border()
{
Child = differ,
BorderBrush = Brushes.Black,
BorderThickness = new Thickness(1)
};
if (tooltip.IsOpen)
{
tooltip.IsOpen = false;
}
tooltip.IsOpen = true;
tooltip.Closed += delegate {
if (marker != null)
{
markerService.Remove(marker);
}
};
tooltip.HorizontalOffset = -10;
tooltip.VerticalOffset =
TextView.GetVisualTopByDocumentLine(startLine) - TextView.ScrollOffset.Y;
tooltip.Placement = PlacementMode.Top;
tooltip.PlacementTarget = this.TextView;
}
}