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 EngineViewmodel(Server.Engine engine)
{
_engine = engine;
_engine.EngineTick += this.OnEngineTick;
_engine.EngineOperation += this._engineOperation;
_engine.ServerPropertyChanged += OnServerPropertyChanged;
_engine.PropertyChanged += this.OnEnginePropertyChanged;
_engine.VisibleEventsOperation += OnEnginePlayingEventsDictionaryOperation;
_engine.LoadedNextEventsOperation += OnEngineLoadedEventsDictionaryOperation;
_engine.RunningEventsOperation += OnEngineRunningEventsOperation;
Debug.WriteLine(this, "Creating root EventViewmodel");
_rootEventViewModel = new EventViewmodel(_engine, this);
Debug.WriteLine(this, "Creating EventEditViewmodel");
_eventEditViewmodel = new EventEditViewmodel(this);
Debug.WriteLine(this, "Creating EventClipboard");
Debug.WriteLine(this, "Creating PlayingEventViewmodel");
_playingEventViewmodel = new PlayingEventViewmodel(_engine);
_createCommands();
Debug.WriteLine(this, "Creating EngineView");
_engineView = new EngineView();
_engineView.DataContext = this;
_selectedEvents = new ObservableCollection<EventViewmodel>();
_selectedEvents.CollectionChanged += _selectedEvents_CollectionChanged;
EventClipboard.ClipboardChanged += EngineViewmodel_ClipboardChanged;
}
public EventViewmodel(Server.Engine engine, EngineViewmodel engineViewmodel)
{
_engine = engine;
engine.EventSaved += _onEventSaved;
_engineViewmodel = engineViewmodel;
_root = this;
_level = 0;
_isExpanded = true;
foreach (Event se in engine.RootEvents.ToList())
_addRootEvent(se);
}
private EventViewmodel(Event aEvent, EventViewmodel parent)
{
if (aEvent == null) // dummy child
return;
_event = aEvent;
_parent = parent;
_root = parent._root;
_engineViewmodel = parent._engineViewmodel;
_level = (_parent == null) ? 0 : _parent._level + 1;
if (aEvent.SubEvents.Count() > 0)
_childrens.Add(DummyChild);
_event.PropertyChanged += _onPropertyChanged;
_event.Deleted += _eventDeleted;
_event.SubEventChanged += _onSubeventChanged;
_event.Relocated += _onRelocated;
Media = aEvent.Media;
_engine = _event.Engine;
_createCommands();
}
private void _updateLocation()
{
if (_event != null)
{
Event prior = _event.Prior;
Event parent = _event.Parent;
Event next = _event.Next;
Event visualParent = _event.VisualParent;
if (prior != null)
{
int index = _parent._childrens.IndexOf(this);
if (visualParent != _parent._event
|| index <= 0
|| _parent._childrens[index - 1]._event != prior)
{
EventViewmodel priorVm = _root.Find(prior);
if (priorVm != null)
{
EventViewmodel newParent = priorVm._parent;
if (_parent == newParent)
{
int priorIndex = newParent._childrens.IndexOf(priorVm);
if (index >= priorIndex)
newParent._childrens.Move(index, priorIndex + 1);
else
newParent._childrens.Move(index, priorIndex);
}
else
{
_parent._childrens.Remove(this);
if (!newParent.HasDummyChild)
newParent._childrens.Insert(newParent._childrens.IndexOf(priorVm) + 1, this);
_parent = newParent;
}
}
}
}
else
if (parent == null && next != null)
{
int index = _parent._childrens.IndexOf(this);
if (visualParent != _parent._event
|| index <= 0
|| _parent._childrens[index]._event != next)
{
EventViewmodel nextVm = _root.Find(next);
if (nextVm != null)
{
EventViewmodel newParent = nextVm._parent;
if (_parent == newParent)
{
int nextIndex = newParent._childrens.IndexOf(nextVm);
if (index >= nextIndex)
newParent._childrens.Move(index, nextIndex);
else
newParent._childrens.Move(index, nextIndex -1);
}
else
{
_parent._childrens.Remove(this);
if (!newParent.HasDummyChild)
newParent._childrens.Insert(newParent._childrens.IndexOf(nextVm), this);
_parent = newParent;
}
}
}
}
else
if (parent == null)
{
_parent._childrens.Remove(this);
_root._childrens.Add(this);
_parent = _root;
}
else
{
EventViewmodel parentVm = _root.Find(parent);
if (parentVm != null)
{
if (parentVm == _parent)
{
if (prior == null)
parentVm.Childrens.Move(parentVm.Childrens.IndexOf(this), 0);
}
else
Parent = parentVm;
}
}
this._bringIntoView();
}
}
// when new event was created
private void _onEventSaved(object o, EventArgs e)
{
Application.Current.Dispatcher.BeginInvoke((Action<bool>)delegate(bool onUIThread)
{
var evm = _root.Find(o as Event);
EventViewmodel newVm = null;
if (evm == null)
{
var vp = (o as Event).VisualParent;
if (vp != null)
{
var evm_vp = _root.Find(vp);
if (evm_vp != null)
{
if ((o as Event).EventType == TEventType.Movie || (o as Event).EventType == TEventType.Rundown || (o as Event).EventType == TEventType.Live
|| evm_vp.IsExpanded)
{
evm_vp.IsExpanded = true;
if (evm_vp.Find(o as Event) == null) // find again after expand
{
if ((o as Event).Parent == vp) // StartType = With
{
newVm = new EventViewmodel(o as Event, evm_vp);
evm_vp._childrens.Insert(0, newVm);
}
else // StartType == After
{
var prior = (o as Event).Prior;
if (prior != null)
{
var evm_prior = evm_vp.Find(prior);
if (evm_prior != null)
{
var pos = evm_vp._childrens.IndexOf(evm_prior);
newVm = new EventViewmodel(o as Event, evm_vp);
evm_vp._childrens.Insert(pos + 1, newVm);
}
}
}
}
}
else
{
if (!evm_vp.HasDummyChild)
evm_vp.Childrens.Add(DummyChild);
}
}
}
else //vp == null
{
var prior = (o as Event).Prior;
if (prior != null)
{
var evm_prior = _root.Find(prior);
if (evm_prior != null)
{
var pos = _root._childrens.IndexOf(evm_prior);
newVm = new EventViewmodel(o as Event, _root);
_root._childrens.Insert(pos + 1, newVm);
}
}
else
if ((o as Event).Parent == null)
_addRootEvent(o as Event);
}
}
else //evm != null
{
evm.NotifyPropertyChanged("IsInvalidInSchedule");
}
if (onUIThread
&& newVm != null
&& !((o as Event).EventType == TEventType.AnimationFlash || (o as Event).EventType == TEventType.StillImage))
{
newVm.IsSelected = true;
}
}, System.Windows.Threading.Dispatcher.FromThread(System.Threading.Thread.CurrentThread) != null); // current thread is uiThread
}
private void _addRootEvent(Event e)
{
if (!e.IsDeleted)
{
EngineViewmodel evm = _engineViewmodel;
var newEvm = new EventViewmodel(e, _root);
_childrens.Add(newEvm);
Event ne = e.Next;
while (ne != null)
{
_childrens.Add(new EventViewmodel(ne, _root));
Debug.WriteLine(ne, "Reading next for");
ne = ne.Next;
}
}
}
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();
}
}
