public void R_OutlineToggleAll()
{
string text = _files.LoadDestinationFile("lsfit.r");
using (var script = new TestScript(text, RContentTypeDefinition.ContentType)) {
script.DoIdle(500);
IOutliningManagerService svc = EditorShell.Current.ExportProvider.GetExportedValue <IOutliningManagerService>();
IOutliningManager mgr = svc.GetOutliningManager(EditorWindow.CoreEditor.View);
var snapshot = EditorWindow.TextBuffer.CurrentSnapshot;
var viewLines = EditorWindow.CoreEditor.View.TextViewLines;
viewLines.Count.Should().Be(40);
script.DoIdle(500);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_ALL);
script.DoIdle(1000);
IEnumerable <ICollapsed> collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(20);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_ALL);
script.DoIdle(500);
viewLines = EditorWindow.CoreEditor.View.TextViewLines;
viewLines.Count.Should().Be(40);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_STOP_HIDING_ALL);
script.DoIdle(200);
mgr.Enabled.Should().Be(false);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_START_AUTOHIDING);
script.DoIdle(200);
mgr.Enabled.Should().Be(true);
script.MoveDown(9);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
script.DoIdle(500);
collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(1);
EditorWindow.ExecCommand(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
script.DoIdle(200);
collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(0);
}
}
public async Task R_OutlineToggleAll()
{
string text = _files.LoadDestinationFile("lsfit.r");
using (var script = await _editorHost.StartScript(_exportProvider, text, "filename", RContentTypeDefinition.ContentType, null)) {
script.DoIdle(500);
IOutliningManagerService svc = _exportProvider.GetExportedValue <IOutliningManagerService>();
IOutliningManager mgr = svc.GetOutliningManager(script.View);
var snapshot = script.TextBuffer.CurrentSnapshot;
var viewLines = script.View.TextViewLines;
viewLines.Count.Should().Be(22);
script.DoIdle(500);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_ALL);
script.DoIdle(1000);
IEnumerable <ICollapsed> collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(20);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_ALL);
script.DoIdle(500);
viewLines = script.View.TextViewLines;
viewLines.Count.Should().Be(22);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_STOP_HIDING_ALL);
script.DoIdle(200);
mgr.Enabled.Should().Be(false);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_START_AUTOHIDING);
script.DoIdle(200);
mgr.Enabled.Should().Be(true);
script.MoveDown(9);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
script.DoIdle(500);
collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(1);
script.Execute(VSConstants.VSStd2K, (int)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
script.DoIdle(200);
collapsed = mgr.GetCollapsedRegions(new SnapshotSpan(snapshot, new Span(0, snapshot.Length)));
collapsed.Count().Should().Be(0);
}
}
private int CountHiddenLines(int start, int end)
{
if (start > end)
{
return(0);
}
// outliningManager will be null when outlining is not supported, such as in a git diff view
if (outliningManager == null)
{
return(0);
}
var hiddenLines = outliningManager.GetCollapsedRegions(new SnapshotSpan(textView.TextSnapshot, start, end - start), true);
var hiddenLineCount = 0;
foreach (var hiddenLine in hiddenLines)
{
var span = hiddenLine.Extent.GetSpan(textView.TextBuffer.CurrentSnapshot);
var strtLine = textView.TextSnapshot.GetLineNumberFromPosition(span.Start);
var endLine = textView.TextSnapshot.GetLineNumberFromPosition(span.End);
hiddenLineCount = hiddenLineCount + (endLine - strtLine);
}
return(hiddenLineCount);
}
private async Task ExpandAllRegionsContainingSpanAsync(SnapshotSpan selectedSpan, IWpfTextView textView)
{
IOutliningManager outliningManager = await ServiceProvider.GetOutliningManagerAsync(textView);
if (outliningManager == null)
{
return;
}
outliningManager.GetCollapsedRegions(selectedSpan, exposedRegionsOnly: false)
.ForEach(region => outliningManager.Expand(region));
}
/// <summary>
/// Maps the line number to the real line number as it's currently displayed in the text view.
/// So if a region is collapsed, all diagnostics in this region should be mapped to the same line.
/// </summary>
/// <param name="textView">The <see cref="IWpfTextView"/>.</param>
/// <param name="lineNumber">The number of the line.</param>
/// <param name="outliningManager">The <see cref="IOutliningManager"/>.</param>
/// <returns>The real line number.</returns>
public static int GetRealLineNumber(IWpfTextView textView, int lineNumber, IOutliningManager outliningManager)
{
try
{
// a line could not get any further than 0 even by collapsing regions
if (lineNumber == 0)
{
return(0);
}
// if no snapshot line found return 0
var lineSnapshot = textView.GetSnapshotForLineNumber(lineNumber);
if (lineSnapshot == null)
{
return(0);
}
// if no collapsed region than line number fits as normal
var snapshotSpan = lineSnapshot.Extent;
var region = outliningManager?.GetCollapsedRegions(snapshotSpan) ?? Enumerable.Empty <ICollapsible>();
if (!region.Any())
{
return(lineNumber);
}
// I assume that the longest collapsed region is the outermost
var regionSnapshot = region
.Select(x => x.Extent.GetSpan(textView.TextSnapshot))
.ToDictionary(x => x.Length)
.OrderByDescending(x => x.Key)
.First()
.Value;
var collapsedLineNumber = textView.TextSnapshot.GetLineNumberFromPosition(regionSnapshot.End.Position);
return(collapsedLineNumber);
}
catch (ObjectDisposedException ex)
{
if (ex.ObjectName == "OutliningMnger")
{
// TODO: when we have a logger service add logging
}
// I assume that this case seems to happen, if the TextView gets closed and we receive a
// DiagnosticChanged event right in the time frame before we dispose the whole container graph.
return(lineNumber);
}
}
//=====================================================================
/// <summary>
/// Update the state of the controls based on the current issue
/// </summary>
private void UpdateState()
{
if (!updatingState)
{
updatingState = true;
try
{
if (currentTextView != null)
{
var currentIssue = currentTagger.CurrentMisspellings.FirstOrDefault();
ucSpellCheck.UpdateState(false, currentTagger.Dictionary.DictionaryCount > 1, currentIssue);
if (parentFocused && currentIssue != null)
{
var span = currentIssue.Span.GetSpan(currentIssue.Span.TextBuffer.CurrentSnapshot);
// If in a collapsed region, expand the region
if (outliningManager != null)
{
foreach (var region in outliningManager.GetCollapsedRegions(span, false))
{
if (region.IsCollapsed)
{
outliningManager.Expand(region);
}
}
}
currentTextView.Caret.MoveTo(span.Start);
currentTextView.ViewScroller.EnsureSpanVisible(span, EnsureSpanVisibleOptions.AlwaysCenter);
currentTextView.Selection.Select(span, false);
}
}
else
{
ucSpellCheck.UpdateState(true, false, null);
}
}
finally
{
updatingState = false;
}
}
}
public void MoveTo(SnapshotSpan span)
{
if (_outliningManager != null)
{
foreach (var region in _outliningManager.GetCollapsedRegions(span, false))
{
_outliningManager.Expand(region);
}
}
if (span.Snapshot != _view.TextSnapshot)
{
span = span.TranslateTo(_view.TextSnapshot, SpanTrackingMode.EdgeExclusive);
}
_view.Caret.MoveTo(span.Start);
_view.Selection.Select(span, false);
_view.ViewScroller.EnsureSpanVisible(span);
}
void EvaluateAdornmentRegionDepth(IAdornment adornment)
{
Contract.Requires(adornment != null && adornment.Span != null);
Contract.Requires(_outliningManager != null);
Contract.Requires(_textView != null);
try {
var workingSnapshot = _textView.TextSnapshot;
var collapsedRegionsAdornmentIsIn = _outliningManager.GetCollapsedRegions(adornment.Span.GetSpan(workingSnapshot));
Contract.Assume(collapsedRegionsAdornmentIsIn != null, "Let's make the assumption explicit");
adornment.CollapsedRegionDepth = collapsedRegionsAdornmentIsIn.Count();
} catch (ObjectDisposedException e) {
if (e.ObjectName == "OutliningManager")
{
_logger.WriteToLog("Error: The 'OutliningManager' is disposed, adornments may not be formatted correctly.");
}
else
{
throw e;
}
}
}
//=====================================================================
/// <summary>
/// Update the state of the controls based on the current issue
/// </summary>
private void UpdateState()
{
if (updatingState)
{
return;
}
try
{
updatingState = lbSuggestions.IsEnabled = true;
btnReplace.IsEnabled = btnReplaceAll.IsEnabled = btnIgnoreOnce.IsEnabled = btnIgnoreAll.IsEnabled =
btnAddWord.IsEnabled = btnUndo.IsEnabled = txtMisspelledWord.IsEnabled = false;
lblIssue.Content = "_Misspelled Word";
txtMisspelledWord.Text = null;
lbSuggestions.Items.Clear();
if (currentTextView == null)
{
lblDisabled.Visibility = Visibility.Visible;
return;
}
lblDisabled.Visibility = Visibility.Collapsed;
if (currentTextView == null)
{
return;
}
if (misspellings.Count == 0)
{
txtMisspelledWord.Text = "(No more issues)";
return;
}
var issue = misspellings[0];
if (issue.MisspellingType == MisspellingType.DoubledWord)
{
lblIssue.Content = "_Doubled Word";
btnReplace.IsEnabled = btnIgnoreOnce.IsEnabled = true;
lbSuggestions.Items.Add("(Delete word)");
}
else
{
txtMisspelledWord.IsEnabled = btnIgnoreOnce.IsEnabled = btnIgnoreAll.IsEnabled = true;
switch (issue.MisspellingType)
{
case MisspellingType.CompoundTerm:
lblIssue.Content = "Co_mpound Term";
break;
case MisspellingType.DeprecatedTerm:
lblIssue.Content = "_Deprecated Term";
break;
case MisspellingType.UnrecognizedWord:
lblIssue.Content = "Un_recognized Word";
break;
default:
break;
}
if (issue.Suggestions.Any())
{
btnReplace.IsEnabled = btnReplaceAll.IsEnabled = true;
btnAddWord.IsEnabled = (issue.MisspellingType == MisspellingType.MisspelledWord);
foreach (var s in issue.Suggestions)
{
lbSuggestions.Items.Add(s);
}
lbSuggestions.SelectedIndex = issue.Suggestions.First().IsGroupHeader ? 1 : 0;
}
else
{
lbSuggestions.Items.Add("(No suggestions)");
}
}
txtMisspelledWord.Text = issue.Word;
if (parentFocused)
{
var span = issue.Span.GetSpan(issue.Span.TextBuffer.CurrentSnapshot);
// If in a collapsed region, expand the region
if (outliningManager != null)
{
foreach (var region in outliningManager.GetCollapsedRegions(span, false))
{
if (region.IsCollapsed)
{
outliningManager.Expand(region);
}
}
}
currentTextView.Caret.MoveTo(span.Start);
currentTextView.ViewScroller.EnsureSpanVisible(span, EnsureSpanVisibleOptions.AlwaysCenter);
currentTextView.Selection.Select(span, false);
}
}
finally
{
updatingState = false;
}
}
public void DrawLines()
{
// Find the hidden regions
IEnumerable <ICollapsed> collapsedRegions = new List <ICollapsed>();
if (_outliningManager != null)
{
collapsedRegions = _outliningManager.GetCollapsedRegions(new SnapshotSpan(_textView.TextBuffer.CurrentSnapshot, new Span(0, _textView.TextBuffer.CurrentSnapshot.Length)));
}
IEnumerator <ICollapsed> currentCollapsedRegion = collapsedRegions.GetEnumerator();
SnapshotSpan? currentCollapsedSnapshotSpan = null;
if (currentCollapsedRegion.MoveNext())
{
currentCollapsedSnapshotSpan = currentCollapsedRegion.Current.Extent.GetSpan(_textView.TextBuffer.CurrentSnapshot);
}
// Get the highlights
List <SnapshotSpan> highlightList = new List <SnapshotSpan>();
if (HighlightWordTaggerProvider.Taggers.ContainsKey(_textView))
{
IEnumerable <ITagSpan <HighlightWordTag> > highlightsEnumerable = HighlightWordTaggerProvider.Taggers[_textView].GetTags(new NormalizedSnapshotSpanCollection(new SnapshotSpan(_textView.TextSnapshot, 0, _textView.TextSnapshot.Length)));
foreach (ITagSpan <HighlightWordTag> highlight in highlightsEnumerable)
{
highlightList.Add(highlight.Span);
}
}
NormalizedSnapshotSpanCollection highlights = new NormalizedSnapshotSpanCollection(highlightList);
int highlightIndex = 0;
// Create the image buffer
_width = Options.ScrollBarWidth;
_height = Math.Min(NumLines, MaxBitmapHeight);
_stride = (_width * _pixelFormat.BitsPerPixel + 7) / 8;
_pixels = new byte[_stride * _height];
_lineRatio = (double)(_height) / (double)(NumLines);
string text = _textView.TextBuffer.CurrentSnapshot.GetText();
int wrapAfter = int.MaxValue;
int tabSize = 4;
CommentType commentType = CommentType.None;
int multiLineCommentStart = -1;
bool inKeyword = false;
bool inString = false;
int virtualLine = 0;
int virtualColumn = 0;
int realLine = 0;
int realColumn = 0;
bool isLineVisible = true;
for (int i = 0; i < text.Length; ++i)
{
// Check for a real newline, a virtual newline (due to word wrapping) or the end of the text.
bool isRealNewline = (text[i] == '\r') || (text[i] == '\n');
bool isVirtualNewline = (virtualColumn >= wrapAfter);
bool isTextEnd = (i == text.Length - 1);
if (isRealNewline || isVirtualNewline || isTextEnd)
{
virtualColumn = 0;
if (isLineVisible)
{
// Advance the virtual line.
++virtualLine;
}
if (isTextEnd)
{
break;
}
if (isRealNewline)
{
++realLine;
realColumn = 0;
inKeyword = false;
inString = false;
// In case of CRLF, eat the next character too.
if ((text[i] == '\r') && (i + 1 < text.Length) && (text[i + 1] == '\n'))
{
++i;
}
if (i + 1 < text.Length)
{
if (currentCollapsedSnapshotSpan.HasValue && (i + 1 > currentCollapsedSnapshotSpan.Value.End.Position))
{
if (currentCollapsedRegion.MoveNext())
{
currentCollapsedSnapshotSpan = currentCollapsedRegion.Current.Extent.GetSpan(_textView.TextBuffer.CurrentSnapshot);
}
else
{
currentCollapsedSnapshotSpan = null;
}
}
isLineVisible = !(currentCollapsedSnapshotSpan.HasValue && (i + 1 > currentCollapsedSnapshotSpan.Value.Start.Position));
}
if (commentType == CommentType.SingleLine)
{
commentType = CommentType.None;
}
continue;
}
}
int numChars = 1;
if (!System.Char.IsWhiteSpace(text[i]))
{
switch (commentType)
{
case CommentType.None:
{
if (!inString && (text.Substring(i, 2) == "//"))
{
commentType = CommentType.SingleLine;
inKeyword = false;
}
else
if (!inString && (text.Substring(i, 2) == "/*"))
{
commentType = CommentType.MultiLine;
multiLineCommentStart = i;
inKeyword = false;
}
else
if (text[i] == '"')
{
inKeyword = false;
if (inString)
{
int backslashStart = i - 1;
while (i >= 0 && text[i] == '\\')
{
--backslashStart;
}
int numBackslashes = i - backslashStart - 1;
if (numBackslashes % 2 == 0)
{
inString = false;
}
}
else
{
inString = true;
}
}
else
if (!inKeyword && !inString && IsCppIdStart(text[i]) && ((i == 0) || IsCppIdSeparator(text[i - 1])))
{
int keywordEnd = i + 1;
while (keywordEnd < text.Length && !IsCppIdSeparator(text[keywordEnd]))
{
++keywordEnd;
}
int len = keywordEnd - i;
inKeyword = IsKeyword(text.Substring(i, len));
}
else
if (inKeyword && IsCppIdSeparator(text[i]))
{
inKeyword = false;
}
}
break;
case CommentType.MultiLine:
{
if (text.Substring(i - 1, 2) == "*/" &&
i > multiLineCommentStart + 2) // Make sure we don't detect "/*/" as opening and closing a comment.
{
commentType = CommentType.None;
}
}
break;
}
while (highlightIndex < highlights.Count && i >= highlights[highlightIndex].End.Position)
{
++highlightIndex;
}
if (isLineVisible)
{
if (highlightIndex < highlights.Count && i >= highlights[highlightIndex].Start.Position)
{
SetPixel(virtualColumn, virtualLine, _progressiveScroll.Colors.HighlightsBrush.Color);
}
else if (commentType != CommentType.None)
{
SetPixel(virtualColumn, virtualLine, _progressiveScroll.Colors.CommentsBrush.Color);
}
else if (inString)
{
SetPixel(virtualColumn, virtualLine, _progressiveScroll.Colors.StringsBrush.Color);
}
else
{
SetPixel(virtualColumn, virtualLine, _progressiveScroll.Colors.TextBrush.Color);
}
}
}
else
{
inKeyword = false;
if (text[i] == '\t')
{
numChars = tabSize - (virtualColumn % tabSize);
}
if (isLineVisible)
{
SetPixels(virtualColumn, virtualLine, _progressiveScroll.Colors.WhitespaceBrush.Color, numChars);
}
}
++realColumn;
virtualColumn += numChars;
}
}