protected override void OnFetchFailed(Exception exception)
{
if (DiffViewerHeaders.IsDisposed || DiffViewerFiles.IsDisposed)
{
return;
}
DiffViewerHeaders.BeginUpdate();
_progressPanel.Remove();
if (exception != null && !string.IsNullOrWhiteSpace(exception.Message))
{
DiffViewerHeaders.Panels.Add(new FlowProgressPanel()
{
Message = exception.Message
});
}
DiffViewerHeaders.EndUpdate();
}
protected override Task <Diff> FetchDataAsync(IProgress <OperationProgress> progress, CancellationToken cancellationToken)
{
Verify.State.IsFalse(IsDisposed, "DiffBinding is disposed.");
if (!DiffViewerHeaders.Created)
{
DiffViewerHeaders.CreateControl();
}
if (!DiffViewerFiles.Created)
{
DiffViewerFiles.CreateControl();
}
_scrollPosAfterReload = DiffViewerFiles.VScrollPos;
DiffViewerFiles.Panels.Clear();
DiffViewerHeaders.BeginUpdate();
DiffViewerHeaders.Panels.Clear();
DiffViewerHeaders.ScrollToTopLeft();
AddSourceSpecificPanels();
DiffViewerHeaders.Panels.Add(_progressPanel);
DiffViewerHeaders.EndUpdate();
_allDiffPanels.Clear();
return(DiffSource.GetDiffAsync(DiffOptions, progress, cancellationToken));
}