public static bool CanPaste(EventViewmodel destEventVm, TPasteLocation location)
{
if (destEventVm == null)
return false;
Event dest = destEventVm.Event;
lock (_clipboard.SyncRoot)
{
var operation = Operation;
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, TPasteLocation.After, operation))
return false;
dest = enumerator.Current;
}
}
}
return true;
}
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);
}
public static bool CanPaste(EventPanelViewmodelBase destEventVm, TPasteLocation location)
{
if (destEventVm?.Event == null)
{
return(false);
}
IEventProperties dest = destEventVm.Event;
var operation = _operation;
var destStartType = dest.StartType;
if (location != TPasteLocation.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, TPasteLocation.After, operation))
{
return(false);
}
dest = enumerator.Current;
}
}
return(true);
}
static Event _paste(Event source, Event dest, TPasteLocation location, ClipboardOperation operation)
{
if (operation == ClipboardOperation.Cut && source.Engine == dest.Engine)
{
source.Remove();
switch (location)
{
case TPasteLocation.After:
dest.InsertAfter(source);
break;
case TPasteLocation.Before:
dest.InsertBefore(source);
break;
case TPasteLocation.Under:
dest.InsertUnder(source);
break;
}
return source;
}
if (operation == ClipboardOperation.Copy && source.Engine == dest.Engine)
{
Event newEvent = source.Clone();
switch (location)
{
case TPasteLocation.After:
dest.InsertAfter(newEvent);
break;
case TPasteLocation.Before:
dest.InsertBefore(newEvent);
break;
case TPasteLocation.Under:
if (dest.EventType == TEventType.Container)
newEvent.ScheduledTime = DateTime.UtcNow;
dest.InsertUnder(newEvent);
break;
}
return newEvent;
}
throw new ArgumentException("Event engines are different");
}
private static bool _canPaste(Event sourceEvent, Event destEvent, TPasteLocation location, ClipboardOperation operation)
{
if (sourceEvent.Engine != destEvent.Engine)
return false;
if (location == TPasteLocation.Under)
{
if (destEvent.EventType == TEventType.StillImage)
return false;
if ((destEvent.EventType == TEventType.Movie || destEvent.EventType == TEventType.Live) && !(sourceEvent.EventType == TEventType.StillImage || sourceEvent.EventType == TEventType.AnimationFlash))
return false;
if (destEvent.EventType == TEventType.Rundown && (sourceEvent.EventType == TEventType.StillImage || sourceEvent.EventType == TEventType.AnimationFlash || destEvent.SubEvents.Count > 0))
return false;
if (destEvent.EventType == TEventType.Container && sourceEvent.EventType != TEventType.Rundown)
return false;
}
if (location == TPasteLocation.After || location == TPasteLocation.Before)
{
if (!(sourceEvent.EventType == TEventType.Rundown
|| sourceEvent.EventType == TEventType.Movie
|| sourceEvent.EventType == TEventType.Live)
||
!(destEvent.EventType == TEventType.Rundown
|| destEvent.EventType == TEventType.Movie
|| destEvent.EventType == TEventType.Live)
)
return false;
}
if (destEvent.IsContainedIn(sourceEvent))
{
if (sourceEvent == destEvent && location != TPasteLocation.Under && operation == ClipboardOperation.Copy)
return true;
return false;
}
return true;
}
public static void Paste(EventViewmodel destination, TPasteLocation location)
{
Event dest = destination.Event;
lock(_clipboard.SyncRoot)
{
if (CanPaste(destination, location))
{
var operation = Operation;
using (var enumerator = _clipboard.GetEnumerator())
{
if (!enumerator.MoveNext())
return;
dest = _paste(enumerator.Current, dest, location, operation);
while (enumerator.MoveNext())
dest = _paste(enumerator.Current, dest, TPasteLocation.After, operation);
}
}
if (Operation == ClipboardOperation.Cut)
_clipboard.Clear();
}
}
private static bool _canPaste(IEventProperties source, IEventProperties dest, TPasteLocation location, ClipboardOperation operation)
{
var sourceEvent = source as IEvent;
var destEvent = dest as IEvent;
if (source == null ||
(operation == ClipboardOperation.Cut && (destEvent == null || sourceEvent?.Engine != destEvent.Engine)) ||
(destEvent != null && !destEvent.HaveRight(EventRight.Create)))
{
return(false);
}
if (location == TPasteLocation.Under)
{
if (dest.EventType == TEventType.StillImage)
{
return(false);
}
if ((dest.EventType == TEventType.Movie || dest.EventType == TEventType.Live) && source.EventType != TEventType.StillImage)
{
return(false);
}
if (dest.EventType == TEventType.Rundown && (source.EventType == TEventType.StillImage || destEvent?.SubEventsCount > 0))
{
return(false);
}
if (dest.EventType == TEventType.Container && source.EventType != TEventType.Rundown)
{
return(false);
}
}
if (location == TPasteLocation.After || location == TPasteLocation.Before)
{
if (!(source.EventType == TEventType.Rundown ||
source.EventType == TEventType.Movie ||
source.EventType == TEventType.Live)
||
!(dest.EventType == TEventType.Rundown ||
dest.EventType == TEventType.Movie ||
dest.EventType == TEventType.Live)
)
{
return(false);
}
}
if (operation == ClipboardOperation.Cut && destEvent.IsContainedIn(sourceEvent))
{
return(false);
}
return(true);
}
static IEvent _paste(IEventProperties source, IEvent dest, TPasteLocation location, ClipboardOperation operation)
{
if (operation == ClipboardOperation.Cut)
{
var sourceEvent = source as IEvent;
if (sourceEvent != null)
{
if (sourceEvent.Engine == dest.Engine)
{
sourceEvent.Remove();
switch (location)
{
case TPasteLocation.After:
dest.InsertAfter(sourceEvent);
break;
case TPasteLocation.Before:
dest.InsertBefore(sourceEvent);
break;
case TPasteLocation.Under:
dest.InsertUnder(sourceEvent, false);
break;
}
return(sourceEvent);
}
else
{
//TODO: paste from another engine
throw new NotImplementedException("Event engines are different");
}
}
else
{
throw new InvalidOperationException($"Cannot paste from type: {source?.GetType().Name}");
}
}
else //(operation == ClipboardOperation.Copy)
{
EventProxy sourceProxy = source as EventProxy;
if (sourceProxy != null)
{
var mediaFiles = (dest.Engine.MediaManager.MediaDirectoryPRI ?? dest.Engine.MediaManager.MediaDirectorySEC)?.GetFiles();
var animationFiles = (dest.Engine.MediaManager.AnimationDirectoryPRI ?? dest.Engine.MediaManager.AnimationDirectorySEC)?.GetFiles();
switch (location)
{
case TPasteLocation.After:
return(sourceProxy.InsertAfter(dest, mediaFiles, animationFiles));
case TPasteLocation.Before:
return(sourceProxy.InsertBefore(dest, mediaFiles, animationFiles));
case TPasteLocation.Under:
var newEvent = sourceProxy.InsertUnder(dest, false, mediaFiles, animationFiles);
if (dest.EventType == TEventType.Container)
{
newEvent.ScheduledTime = DateTime.UtcNow;
}
return(newEvent);
}
throw new InvalidOperationException("Invalid paste location");
}
else
{
throw new InvalidOperationException($"Cannot paste from type: {source?.GetType().Name}");
}
}
}
