public ICollection <AnnoObject> Paste()
{
var files = _clipboard.GetFileDropList();
if (files?.Count == 1)
{
try
{
return(_layoutLoader.LoadLayout(files[0], forceLoad: true).Objects);
}
catch (JsonReaderException) { }
}
if (_clipboard.ContainsData(CoreConstants.AnnoDesignerClipboardFormat))
{
try
{
var stream = _clipboard.GetData(CoreConstants.AnnoDesignerClipboardFormat) as Stream;
if (stream is not null)
{
return(_layoutLoader.LoadLayout(stream, forceLoad: true).Objects);
}
}
catch (JsonReaderException) { }
}
if (_clipboard.ContainsText())
{
using var memoryStream = new MemoryStream();
using var streamWriter = new StreamWriter(memoryStream);
streamWriter.Write(_clipboard.GetText());
streamWriter.Flush();
memoryStream.Seek(0, SeekOrigin.Begin);
try
{
return(_layoutLoader.LoadLayout(memoryStream, forceLoad: true).Objects);
}
catch (JsonReaderException) { }
}
return(Array.Empty <AnnoObject>());
}
public void Copy_ListHasData_ShouldAddDataToClipboard()
{
// Arrange
var service = GetService();
var data = GetListOfObjects();
// Act
service.Copy(data);
// Assert
var clipboardStream = _mockedClipboard.GetData(CoreConstants.AnnoDesignerClipboardFormat) as System.IO.Stream;
var copiedObjects = _mockedLayoutLoader.LoadLayout(clipboardStream, forceLoad: true).Objects;
Assert.Equal(data.Count, copiedObjects.Count);
Assert.All(data, x =>
{
//Assert.Contains(x, copiedObjects); //not useable because of missing cutom comparer for AnnoObject
Assert.Contains(copiedObjects, y => y.Identifier.Equals(x.Identifier, StringComparison.OrdinalIgnoreCase));
});
}
private void LoadLayoutFromJson(string jsonString, bool forceLoad = false)
{
try
{
if (!string.IsNullOrWhiteSpace(jsonString))
{
var jsonArray = Encoding.UTF8.GetBytes(jsonString);
using (var ms = new MemoryStream(jsonArray))
{
var loadedLayout = _layoutLoader.LoadLayout(ms, forceLoad);
if (loadedLayout != null)
{
annoCanvas.SelectedObjects.Clear();
annoCanvas.PlacedObjects = loadedLayout;
annoCanvas.LoadedFile = string.Empty;
annoCanvas.Normalize(1);
_mainViewModel.UpdateStatistics();
}
}
}
}
catch (LayoutFileVersionMismatchException layoutEx)
{
Trace.WriteLine(layoutEx);
if (MessageBox.Show(
"Try loading anyway?\nThis is very likely to fail or result in strange things happening.",
"File version mismatch", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
LoadLayoutFromJson(jsonString, true);
}
}
catch (Exception e)
{
App.WriteToErrorLog("Error loading layout from JSON", e.Message, e.StackTrace);
MessageBox.Show(e.Message, "Something went wrong while loading the layout.");
}
}