/// <summary>
/// Initializes a new instance of the <see cref="CodeStructureViewModel"/> class.
/// </summary>
/// <param name="editor">The <see cref="IEditor"/>.</param>
/// <param name="diagnosticProvider">The <see cref="IDiagnosticProvider"/>.</param>
/// <param name="documentAnalyzerService">The <see cref="IDocumentAnalyzerService"/>.</param>
/// <param name="spaceReservation">The <see cref="IAdornmentSpaceReservation"/>.</param>
public CodeStructureViewModel(
IEditor editor,
IDiagnosticProvider diagnosticProvider,
IDocumentAnalyzerService documentAnalyzerService,
IAdornmentSpaceReservation spaceReservation,
IDispatcherServiceFactory dispatcherServiceFactory)
{
_editor = editor;
_diagnosticProvider = diagnosticProvider ?? throw new ArgumentNullException(nameof(diagnosticProvider));
_documentAnalyzerService = documentAnalyzerService ?? throw new ArgumentNullException(nameof(documentAnalyzerService));
_dispatcherService = dispatcherServiceFactory.Create();
WeakEventManager <IDiagnosticProvider, DiagnosticsChangedEventArgs> .AddHandler(_diagnosticProvider, nameof(IDiagnosticProvider.DiagnosticsChanged), OnDiagnosticsChanged);
WeakEventManager <IDocumentAnalyzerService, EventArgs> .AddHandler(_documentAnalyzerService, nameof(IDocumentAnalyzerService.AnalysisFinished), OnAnalysisFinished);
SpaceReservation = spaceReservation;
}
/// <summary>
/// Initializes a new instance of the <see cref="CodeStructureViewModel"/> class.
/// </summary>
/// <param name="textView">The <see cref="IWpfTextView"/>.</param>
/// <param name="adornmentLayer">The <see cref="IAdornmentLayer"/>.</param>
/// <param name="diagnosticProvider">The <see cref="IDiagnosticProvider"/>.</param>
/// <param name="documentAnalyzerService">The <see cref="IDocumentAnalyzerService"/>.</param>
/// <param name="spaceReservation">The <see cref="IAdornmentSpaceReservation"/>.</param>
public CodeStructureViewModel(
IWpfTextView textView,
IAdornmentLayer adornmentLayer,
IDiagnosticProvider diagnosticProvider,
IDocumentAnalyzerService documentAnalyzerService,
IAdornmentSpaceReservation spaceReservation)
{
_textView = textView;
_diagnosticProvider = diagnosticProvider ?? throw new ArgumentNullException(nameof(diagnosticProvider));
_documentAnalyzerService = documentAnalyzerService ?? throw new ArgumentNullException(nameof(documentAnalyzerService));
_adornmentLayer = adornmentLayer ?? throw new ArgumentNullException(nameof(adornmentLayer));
WeakEventManager <IDiagnosticProvider, DiagnosticsChangedEventArgs> .AddHandler(_diagnosticProvider, nameof(IDiagnosticProvider.DiagnosticsChanged), OnDiagnosticsChanged);
WeakEventManager <IDocumentAnalyzerService, EventArgs> .AddHandler(_documentAnalyzerService, nameof(IDocumentAnalyzerService.AnalysisFinished), OnAnalysisFinished);
SpaceReservation = spaceReservation;
}
/// <summary>
/// Initializes a new instance of the <see cref="DiagnosticInfosViewModel"/> class.
/// </summary>
/// <param name="textView">The <see cref="IQualityTextView"/>.</param>
/// <param name="diagnosticProvider">The <see cref="IDiagnosticProvider"/>.</param>
/// <param name="outliningManagerService">THe <see cref="IOutliningManagerService"/> for the <paramref name="textView"/>.</param>
/// <param name="adornmentSpaceReservation">The <see cref="IAdornmentSpaceReservation"/>.</param>
public DiagnosticInfosViewModel(
IQualityTextView textView,
IDiagnosticProvider diagnosticProvider,
IOutliningManagerService outliningManagerService,
IAdornmentSpaceReservation adornmentSpaceReservation)
{
_diagnosticProvider = diagnosticProvider ?? throw new ArgumentNullException(nameof(diagnosticProvider));
TextView = textView ?? throw new ArgumentNullException(nameof(textView));
AdornmentSpaceReservation = adornmentSpaceReservation ?? throw new ArgumentNullException(nameof(adornmentSpaceReservation));
OutliningManager = outliningManagerService.GetOutliningManager(TextView.TextView);
WeakEventManager <IDiagnosticProvider, DiagnosticsChangedEventArgs> .AddHandler(_diagnosticProvider, nameof(IDiagnosticProvider.DiagnosticsChanged), OnDiagnosticsChanged);
OutliningManager.RegionsExpanded += OnRegionsExpanded;
OutliningManager.RegionsCollapsed += OnRegionsCollapsed;
OnDiagnosticsChanged(this, new DiagnosticsChangedEventArgs(_diagnosticProvider.CurrentDiagnostics));
}
/// <summary>
/// Calculates the placement <see cref="Rect"/> of the <paramref name="diagnosticInfoLine"/> ind the <paramref name="textView"/>.
/// </summary>
/// <param name="textView">The <see cref="IWpfTextView"/> in which the line should be placed.</param>
/// <param name="diagnosticInfoLine">The <see cref="DiagnosticInfoLine"/> to place.</param>
/// <param name="adornmentSpaceReservation">The <see cref="IAdornmentSpaceReservation"/>.</param>
/// <returns>The placement <see cref="Rect"/>.</returns>
public static Rect CalculatePlacementRect(IWpfTextView textView, DiagnosticInfoLine diagnosticInfoLine, IAdornmentSpaceReservation adornmentSpaceReservation)
{
var lineSnapshot = textView.GetSnapshotForLineNumber(diagnosticInfoLine.LineNumber);
if (lineSnapshot == null)
{
return(Rect.Empty);
}
var snapshotSpan = lineSnapshot.Extent;
var endPoint = snapshotSpan.End;
try
{
if (!textView.TextViewLines.ContainsBufferPosition(endPoint))
{
return(Rect.Empty);
}
}
catch (InvalidCastException)
{
// Don't know exactly why this can happen, but it occasionally occurs since performance improvements
// in parsing diagnostic infos were done.
return(Rect.Empty);
}
var textViewLine = textView.GetTextViewLineContainingBufferPosition(endPoint);
var isVisible = textViewLine.VisibilityState > VisibilityState.PartiallyVisible;
if (!isVisible)
{
return(Rect.Empty);
}
var reservedWidth = adornmentSpaceReservation?.ActualWidth ?? 0.0;
var height = textViewLine.TextHeight;
var left = Math.Min(textViewLine.TextRight + 10, textView.ViewportRight - height - reservedWidth) - textView.ViewportLeft;
var width = Math.Max(textView.ViewportWidth - left - reservedWidth, height);
var top = textViewLine.TextTop - textView.ViewportTop;
return(new Rect(left, top, width, height));
}