public static async Task <IEvent> Paste(EventPanelViewmodelBase destination, PasteLocation location)
{
return(await Task.Run(() =>
{
var dest = destination.Event;
if (CanPaste(destination, location))
{
var operation = _operation;
using (var enumerator = Clipboard.GetEnumerator())
{
if (!enumerator.MoveNext())
{
return null;
}
dest = _paste(enumerator.Current, dest, location, operation);
while (enumerator.MoveNext())
{
dest = _paste(enumerator.Current, dest, PasteLocation.After, operation);
}
}
}
if (_operation == ClipboardOperation.Cut)
{
Clipboard.Clear();
}
return dest;
}));
}
public static IEvent Paste(EventPanelViewmodelBase destination, TPasteLocation location)
{
IEvent dest = destination.Event;
if (CanPaste(destination, location))
{
var operation = _operation;
using (var enumerator = Clipboard.GetEnumerator())
{
if (!enumerator.MoveNext())
{
return(null);
}
dest = _paste(enumerator.Current, dest, location, operation);
while (enumerator.MoveNext())
{
dest = _paste(enumerator.Current, dest, TPasteLocation.After, operation);
}
}
}
if (_operation == ClipboardOperation.Cut)
{
Clipboard.Clear();
}
return(dest);
}
protected void UserControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
EventPanelViewmodelBase vm = e.NewValue as EventPanelViewmodelBase;
if (vm != null)
{
vm.View = (EventPanelView)sender;
_viewName = vm.EventName;
if (vm.IsSelected)
{
this.BringIntoView();
}
this.DataContextChanged -= UserControl_DataContextChanged;
}
}
public static bool CanPaste(EventPanelViewmodelBase destEventVm, PasteLocation location)
{
if (destEventVm?.Event == null)
{
return(false);
}
IEventProperties dest = destEventVm.Event;
var operation = _operation;
var destStartType = dest.StartType;
if (location != PasteLocation.Under &&
(destStartType == TStartType.Manual || destStartType == TStartType.OnFixedTime) &&
Clipboard.Any(e => e.EventType != TEventType.Rundown))
{
return(false);
}
using (var enumerator = Clipboard.GetEnumerator())
{
if (!enumerator.MoveNext())
{
return(false);
}
if (!_canPaste(enumerator.Current, dest, location, operation))
{
return(false);
}
dest = enumerator.Current;
while (enumerator.MoveNext())
{
if (!_canPaste(enumerator.Current, dest, PasteLocation.After, operation))
{
return(false);
}
dest = enumerator.Current;
}
}
return(true);
}
