/// <summary>
/// Creates a HTML fragment from a part of a document.
/// </summary>
/// <param name="document">The document to create HTML from.</param>
/// <param name="highlighter">The highlighter used to highlight the document.</param>
/// <param name="segment">The part of the document to create HTML for. You can pass null to create HTML for the whole document.</param>
/// <param name="options">The options for the HTML creation.</param>
/// <returns>HTML code for the document part.</returns>
public static string CreateHtmlFragment(TextDocument document, DocumentHighlighter highlighter, ISegment segment, HtmlOptions options)
{
if (document == null)
throw new ArgumentNullException("document");
if (options == null)
throw new ArgumentNullException("options");
if (segment == null)
segment = new SimpleSegment(0, document.TextLength);
StringBuilder html = new StringBuilder();
int segmentEndOffset = segment.EndOffset;
DocumentLine line = document.GetLineByOffset(segment.Offset);
while (line != null && line.Offset < segmentEndOffset) {
HighlightedLine highlightedLine;
if (highlighter != null)
highlightedLine = highlighter.HighlightLine(line);
else
highlightedLine = new HighlightedLine(document, line);
SimpleSegment s = segment.GetOverlap(line);
if (html.Length > 0)
html.AppendLine("<br>");
html.Append(highlightedLine.ToHtml(s.Offset, s.EndOffset, options));
line = line.NextLine;
}
return html.ToString();
}
void OnDocumentChanged()
{
if (highlighter != null && isInTextView)
{
textView.Services.RemoveService(typeof(DocumentHighlighter));
textView.Services.RemoveService(typeof(IHighlighter));
}
TextDocument document = textView.Document;
if (document != null)
{
highlighter = new TextViewDocumentHighlighter(this, document, ruleSet);
}
else
{
highlighter = null;
}
if (highlighter != null && isInTextView)
{
// for backward compatiblity, we're registering using both the interface and concrete types
textView.Services.AddService(typeof(DocumentHighlighter), highlighter);
textView.Services.AddService(typeof(IHighlighter), highlighter);
}
}
/// <summary>
/// Converts a readonly TextDocument to a Block and applies the provided highlighting definition.
/// </summary>
public static Block ConvertTextDocumentToBlock(ReadOnlyDocument document, IHighlightingDefinition highlightingDefinition)
{
IHighlighter highlighter;
if (highlightingDefinition != null)
highlighter = new DocumentHighlighter(document, highlightingDefinition);
else
highlighter = null;
return ConvertTextDocumentToBlock(document, highlighter);
}
public ISyntaxHighlighter CreateHighlighter(IDocument document, string fileName)
{
var def = HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(fileName));
var doc = document.GetService(typeof(TextDocument)) as TextDocument;
if (def == null || doc == null)
return null;
var baseHighlighter = new DocumentHighlighter(doc, def.MainRuleSet);
var highlighter = new CustomizableHighlightingColorizer.CustomizingHighlighter(CustomizedHighlightingColor.FetchCustomizations(def.Name), baseHighlighter);
return new DocumentSyntaxHighlighter(document, highlighter, def.Name);
}
void OnDocumentChanged()
{
if (highlighter != null && isInTextView) {
textView.Services.RemoveService(typeof(DocumentHighlighter));
}
TextDocument document = textView.Document;
if (document != null)
highlighter = new TextViewDocumentHighlighter(this, document, ruleSet);
else
highlighter = null;
if (highlighter != null && isInTextView) {
textView.Services.AddService(typeof(DocumentHighlighter), highlighter);
}
}
void OnDocumentChanged()
{
if (highlighter != null && isInTextView) {
textView.Services.RemoveService(typeof(DocumentHighlighter));
textView.Services.RemoveService(typeof(IHighlighter));
}
TextDocument document = textView.Document;
if (document != null)
highlighter = new TextViewDocumentHighlighter(this, document, ruleSet);
else
highlighter = null;
if (highlighter != null && isInTextView) {
// for backward compatiblity, we're registering using both the interface and concrete types
textView.Services.AddService(typeof(DocumentHighlighter), highlighter);
textView.Services.AddService(typeof(IHighlighter), highlighter);
}
}
/// <summary>
/// Creates a HTML fragment from a part of a document.
/// </summary>
/// <param name="document">The document to create HTML from.</param>
/// <param name="highlighter">The highlighter used to highlight the document.</param>
/// <param name="segment">The part of the document to create HTML for. You can pass null to create HTML for the whole document.</param>
/// <param name="options">The options for the HTML creation.</param>
/// <returns>HTML code for the document part.</returns>
public static string CreateHtmlFragment(TextDocument document, DocumentHighlighter highlighter, ISegment segment, HtmlOptions options)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
if (options == null)
{
throw new ArgumentNullException("options");
}
if (segment == null)
{
segment = new SimpleSegment(0, document.TextLength);
}
StringBuilder html = new StringBuilder();
int segmentEndOffset = segment.EndOffset;
DocumentLine line = document.GetLineByOffset(segment.Offset);
while (line != null && line.Offset < segmentEndOffset)
{
HighlightedLine highlightedLine;
if (highlighter != null)
{
highlightedLine = highlighter.HighlightLine(line);
}
else
{
highlightedLine = new HighlightedLine(line);
}
SimpleSegment s = segment.GetOverlap(line);
if (html.Length > 0)
{
html.AppendLine("<br>");
}
html.Append(highlightedLine.ToHtml(s.Offset, s.EndOffset, options));
line = line.NextLine;
}
return(html.ToString());
}
void OnDocumentChanged()
{
if (highlighter != null && isInTextView)
{
textView.Services.RemoveService(typeof(DocumentHighlighter));
}
TextDocument document = textView.Document;
if (document != null)
{
highlighter = new TextViewDocumentHighlighter(this, document, ruleSet);
}
else
{
highlighter = null;
}
if (highlighter != null && isInTextView)
{
textView.Services.AddService(typeof(DocumentHighlighter), highlighter);
}
}
public HtmlClipboardTests()
{
document = new TextDocument("using System.Text;\n\tstring text = SomeMethod();");
highlighter = new DocumentHighlighter(document, HighlightingManager.Instance.GetDefinition("C#").MainRuleSet);
}
public static void ShowAsSearchResults(string title, List<Reference> list)
{
if (list == null) return;
List<SearchResultMatch> results = new List<SearchResultMatch>(list.Count);
TextDocument document = null;
FileName fileName = null;
IHighlighter highlighter = null;
foreach (Reference r in list) {
var f = new FileName(r.FileName);
if (document == null || !f.Equals(fileName)) {
document = new TextDocument(DocumentUtilitites.GetTextSource(ParserService.GetParseableFileContent(r.FileName)));
fileName = new FileName(r.FileName);
var def = HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(r.FileName));
if (def != null)
highlighter = new DocumentHighlighter(document, def.MainRuleSet);
else
highlighter = null;
}
var start = document.GetLocation(r.Offset).ToLocation();
var end = document.GetLocation(r.Offset + r.Length).ToLocation();
var builder = SearchResultsPad.CreateInlineBuilder(start, end, document, highlighter);
SearchResultMatch res = new SearchResultMatch(fileName, start, end, r.Offset, r.Length, builder);
results.Add(res);
}
SearchResultsPad.Instance.ShowSearchResults(title, results);
SearchResultsPad.Instance.BringToFront();
}
protected override void OnMouseMove(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);
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;
}
base.OnMouseMove(e);
}
public void DetectState(TextEditor editor)
{
//Don't do anything if currently disabled
if (this.State == AutoCompleteState.Disabled) return;
//Then call the derived classes internal state detection (if any)
this.DetectStateInternal(editor);
//Work out what sort of token we are currently in and set our State appropriately
DocumentHighlighter h = new DocumentHighlighter(editor.Document, Syntax.SyntaxManager.GetHighlighter("Turtle").MainRuleSet);
DocumentLine line = editor.Document.GetLineByOffset(editor.CaretOffset);
HighlightedLine result = h.HighlightLine(line);
HighlightedSection current = result.Sections.FirstOrDefault(s => s.Offset <= editor.CaretOffset && (s.Offset + s.Length) > editor.CaretOffset);
if (current != null)
{
if (current.Color != null)
{
switch (current.Color.Name)
{
case "Keyword":
this.State = AutoCompleteState.Keyword;
this.StartOffset = current.Offset;
break;
case "URI":
this.State = AutoCompleteState.Uri;
this.StartOffset = current.Offset;
break;
case "QName":
this.State = AutoCompleteState.QName;
this.StartOffset = current.Offset;
break;
case "String":
String lit = editor.Document.GetText(current.Offset, current.Length);
if (lit.StartsWith("\"\"\""))
{
this.State = AutoCompleteState.LongLiteral;
}
else
{
this.State = AutoCompleteState.Literal;
}
break;
case "Comment":
this.State = AutoCompleteState.Comment;
this.StartOffset = current.Offset;
break;
case "BNode":
this.State = AutoCompleteState.BNode;
this.StartOffset = current.Offset;
break;
case "Variables":
this.State = AutoCompleteState.Variable;
this.StartOffset = current.Offset;
break;
default:
this.State = AutoCompleteState.None;
break;
}
}
}
}
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;
}
}
public HtmlClipboardTests()
{
document = new TextDocument("using System.Text;\n\tstring text = SomeMethod();");
highlighter = new DocumentHighlighter(document, HighlightingManager.Instance.GetDefinition("C#").MainRuleSet);
}
// See: http://stackoverflow.com/questions/21558386/avalonedit-getting-syntax-highlighted-text
public void ApplyHighlighter(string code)
{
Inlines.Clear();
if (string.IsNullOrEmpty(code))
return;
var item = this;
var document = new TextDocument(code);
var highlighter = new DocumentHighlighter(document, SyntaxHighlighting);
var lineCount = document.LineCount;
for (var lineNumber = 1; lineNumber <= document.LineCount; lineNumber++)
{
var line = highlighter.HighlightLine(lineNumber);
var lineText = document.GetText(line.DocumentLine);
var offset = line.DocumentLine.Offset;
var sectionCount = line.Sections.Count;
for (var sectionNumber = 0; sectionNumber < sectionCount; sectionNumber++)
{
var section = line.Sections[sectionNumber];
//Deal with previous text
if (section.Offset > offset)
{
item.Inlines.Add(new Run(document.GetText(offset, section.Offset - offset)));
}
var runItem = new Run(document.GetText(section));
if (runItem.Foreground != null)
{
runItem.Foreground = section.Color.Foreground.GetBrush(null);
}
if (section.Color.FontWeight != null)
{
runItem.FontWeight = section.Color.FontWeight.Value;
}
item.Inlines.Add(runItem);
offset = section.Offset + section.Length;
}
//Deal with stuff at end of line
var lineEnd = line.DocumentLine.Offset + lineText.Length;
if (lineEnd > offset)
{
item.Inlines.Add(new Run(document.GetText(offset, lineEnd - offset)));
}
//If not last line add a new line
if (lineNumber < lineCount)
{
item.Inlines.Add(new Run("\n"));
}
}
}
