private void OnOpenPreviewRequested(PreviewDiagramViewModel preview)
{
var localEvent = OpenPreviewRequested;
if (localEvent != null)
{
localEvent(this, new OpenPreviewRequestedEventArgs(preview));
}
}
private async Task DeleteDiagramAsync(PreviewDiagramViewModel preview)
{
try
{
await _diagramIO.DeleteAsync(preview.Diagram);
PreviewDiagrams.Remove(preview);
}
catch (Exception e)
{
_notifications.Notify(new ExceptionNotification(e));
}
}
/// <see cref="IDiagramManager.OpenDiagramForEdit"/>
public void OpenDiagramForEdit(PreviewDiagramViewModel diagram)
{
if (diagram == null)
{
throw new ArgumentNullException(nameof(diagram));
}
OpenDiagram = OpenDiagrams.FirstOrNone(d => d.Diagram.Equals(diagram.Diagram)).GetOrElse(() =>
{
var newEditor = _editorFactory(diagram.Diagram);
newEditor.DiagramImage = diagram.ImagePreview;
newEditor.Closing += diagramEditor_Closing;
newEditor.Closed += diagramEditor_Closed;
newEditor.Saved += diagramEditor_Saved;
OpenDiagrams.Add(newEditor);
OnDiagramOpened(diagram.Diagram);
return(newEditor);
});
}
/// <summary>
/// Creates new event args.
/// </summary>
/// <param name="requestedPreview">The preview to open for editing</param>
public OpenPreviewRequestedEventArgs(PreviewDiagramViewModel requestedPreview)
{
RequestedPreview = requestedPreview;
}
private void OnOpenPreviewRequested(PreviewDiagramViewModel preview)
{
OpenPreviewRequested?.Invoke(this, new OpenPreviewRequestedEventArgs(preview));
}
private void RequestOpenPreview(PreviewDiagramViewModel preview)
{
OnOpenPreviewRequested(preview);
}
