protected override async Task <ICocoaDifferenceViewer> CreateDifferenceViewAsync(IDifferenceBuffer diffBuffer, ITextViewRoleSet previewRoleSet, DifferenceViewMode mode, double zoomLevel, CancellationToken cancellationToken)
{
var diffViewer = _differenceViewerService.CreateDifferenceView(diffBuffer, previewRoleSet);
diffViewer.ViewMode = mode;
const string DiffOverviewMarginName = "deltadifferenceViewerOverview";
if (mode == DifferenceViewMode.RightViewOnly)
{
diffViewer.RightHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
else if (mode == DifferenceViewMode.LeftViewOnly)
{
diffViewer.LeftHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
else
{
Contract.ThrowIfFalse(mode == DifferenceViewMode.Inline);
diffViewer.InlineHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
// We use ConfigureAwait(true) to stay on the UI thread.
await diffViewer.SizeToFitAsync(ThreadingContext, cancellationToken : cancellationToken).ConfigureAwait(true);
return(diffViewer);
}
protected override async Task <ICocoaDifferenceViewer> CreateDifferenceViewAsync(IDifferenceBuffer diffBuffer, ITextViewRoleSet previewRoleSet, DifferenceViewMode mode, double zoomLevel, CancellationToken cancellationToken)
{
var diffViewer = _differenceViewerService.CreateDifferenceView(diffBuffer, previewRoleSet);
diffViewer.ViewMode = mode;
// We use ConfigureAwait(true) to stay on the UI thread.
await diffViewer.SizeToFitAsync(ThreadingContext, cancellationToken : cancellationToken).ConfigureAwait(true);
return(diffViewer);
}
public async Task <object> CreateDiffViewElementAsync(IDifferenceBuffer diffBuffer)
{
var diffView = _diffFactory.CreateDifferenceView(diffBuffer, _previewRoleSet);
diffView.ViewMode = DifferenceViewMode.Inline;
diffView.InlineView.ZoomLevel *= 1.0;
//FIXME: mac port
//diffView.InlineView.VisualElement.Focusable = false;
//diffView.InlineHost.GetTextViewMargin ("deltadifferenceViewerOverview").VisualElement.Visibility = System.Windows.Visibility.Collapsed;
await diffView.SizeToFitAsync().ConfigureAwait(true);
return(diffView.VisualElement);
}
private async Task <object> CreateNewDifferenceViewerAsync(
PreviewWorkspace leftWorkspace, PreviewWorkspace rightWorkspace,
IProjectionBuffer originalBuffer, IProjectionBuffer changedBuffer,
#pragma warning disable IDE0060 // Remove unused parameter
double zoomLevel, CancellationToken cancellationToken)
#pragma warning restore IDE0060 // Remove unused parameter
{
cancellationToken.ThrowIfCancellationRequested();
// leftWorkspace can be null if the change is adding a document.
// rightWorkspace can be null if the change is removing a document.
// However both leftWorkspace and rightWorkspace can't be null at the same time.
Contract.ThrowIfTrue((leftWorkspace == null) && (rightWorkspace == null));
var diffBuffer = _differenceBufferService.CreateDifferenceBuffer(
originalBuffer, changedBuffer,
new StringDifferenceOptions(), disableEditing: true);
var diffViewer = _differenceViewerService.CreateDifferenceView(diffBuffer, _previewRoleSet);
diffViewer.Closed += (s, e) =>
{
// Workaround Editor bug. The editor has an issue where they sometimes crash when
// trying to apply changes to projection buffer. So, when the user actually invokes
// a SuggestedAction we may then edit a text buffer, which the editor will then
// try to propagate through the projections we have here over that buffer. To ensure
// that that doesn't happen, we clear out the projections first so that this crash
// won't happen.
originalBuffer.DeleteSpans(0, originalBuffer.CurrentSnapshot.SpanCount);
changedBuffer.DeleteSpans(0, changedBuffer.CurrentSnapshot.SpanCount);
leftWorkspace?.Dispose();
leftWorkspace = null;
rightWorkspace?.Dispose();
rightWorkspace = null;
};
//const string DiffOverviewMarginName = "deltadifferenceViewerOverview";
if (leftWorkspace == null)
{
diffViewer.ViewMode = DifferenceViewMode.RightViewOnly;
//diffViewer.RightView.ZoomLevel *= zoomLevel;
//diffViewer.RightHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
else if (rightWorkspace == null)
{
diffViewer.ViewMode = DifferenceViewMode.LeftViewOnly;
//diffViewer.LeftView.ZoomLevel *= zoomLevel;
//diffViewer.LeftHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
else
{
diffViewer.ViewMode = DifferenceViewMode.Inline;
//diffViewer.InlineView.ZoomLevel *= zoomLevel;
//diffViewer.InlineHost.GetTextViewMargin(DiffOverviewMarginName).VisualElement.Hidden = true;
}
//TODO: Mac // Disable focus / tab stop for the diff viewer.
//diffViewer.RightView.VisualElement.Focusable = false;
//diffViewer.LeftView.VisualElement.Focusable = false;
//diffViewer.InlineView.VisualElement.Focusable = false;
// This code path must be invoked on UI thread.
AssertIsForeground();
// We use ConfigureAwait(true) to stay on the UI thread.
await diffViewer.SizeToFitAsync(ThreadingContext).ConfigureAwait(true);
leftWorkspace?.EnableDiagnostic();
rightWorkspace?.EnableDiagnostic();
return(new DifferenceViewerPreview(diffViewer));
}