public override IDropAction CreateInstance(DragDropContext context)
{
this.CheckNullArgument((object)context, "context");
TypeAsset result1 = (TypeAsset)null;
if (DragSourceHelper.FirstDataOfType <TypeAsset>(context.Data, ref result1) && PlatformTypes.IsEffectType((ITypeId)result1.Type))
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)result1, context);
if (insertionPoint != null)
{
return((IDropAction) new DropEffectAssetAction(result1, insertionPoint));
}
}
DocumentNodeMarkerSortedList result2 = (DocumentNodeMarkerSortedList)null;
if (DragSourceHelper.FirstDataOfType <DocumentNodeMarkerSortedList>(context.Data, ref result2) && result2.Count == 1)
{
DocumentNodeMarker marker = result2.MarkerAt(0);
if (marker != null && marker.Node != null && PlatformTypes.IsEffectType((ITypeId)marker.Node.Type))
{
SceneViewModel viewModel = context.Target.TimelineItemManager.ViewModel;
SceneNode sceneNode = SceneNode.FromMarker <SceneNode>(marker, viewModel);
if (sceneNode != null)
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)sceneNode, context);
if (insertionPoint != null)
{
return((IDropAction) new DropEffectSceneNodeAction(sceneNode, insertionPoint));
}
}
}
}
return((IDropAction)null);
}
public TimelineDragDescriptor(DragDropContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
this.DropIndex = -1;
this.Context = context;
this.ResultDropEffects = this.Context.AllowedEffects;
}
protected ISceneInsertionPoint GetInsertionPoint(object data, DragDropContext context)
{
this.CheckNullArgument(data, "data");
if (context.Target != null)
{
ISceneInsertionPoint insertionPoint = context.Target.GetInsertionPoint(data, context);
if (insertionPoint != null)
{
return((ISceneInsertionPoint)SmartInsertionPoint.From(insertionPoint, context.Descriptor.DropIndex));
}
}
return((ISceneInsertionPoint)null);
}
public override IDropAction CreateInstance(DragDropContext context)
{
this.CheckNullArgument((object)context, "context");
DataSchemaNodePathCollection result = (DataSchemaNodePathCollection)null;
if (DragSourceHelper.FirstDataOfType <DataSchemaNodePathCollection>(context.Data, ref result))
{
BindingSceneInsertionPoint insertionPoint = context.Target.GetInsertionPoint((object)result, context) as BindingSceneInsertionPoint;
if (insertionPoint != null && insertionPoint.SceneNode != null)
{
return((IDropAction) new DropBindingAction(result, insertionPoint));
}
}
return((IDropAction)null);
}
public override IDropAction CreateInstance(DragDropContext context)
{
this.CheckNullArgument((object)context, "context");
Asset result = (Asset)null;
if (DragSourceHelper.FirstDataOfType <Asset>(context.Data, ref result))
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)result, context);
if (insertionPoint != null)
{
return((IDropAction) new DropAssetAction(result, insertionPoint));
}
}
return((IDropAction)null);
}
public static IDropAction CreateInstance(DragDropContext context)
{
TimelineDragDescriptor timelineDragDescriptor = context.Descriptor.Clone();
foreach (IDropActionFactory dropActionFactory in (IEnumerable <IDropActionFactory>)DropActionFactory.factoryList)
{
IDropAction instance = dropActionFactory.CreateInstance(context);
if (instance != null)
{
return(instance);
}
context.Descriptor = timelineDragDescriptor.Clone();
}
context.Descriptor.DisableDrop();
return((IDropAction)null);
}
private DragDropEffects ComputeDropEffects(DragEventArgs e)
{
TimelineDropEffects allowedEffects1 = TimelineDropEffects.None;
if ((this.HitTestResult & DropHitTestResults.UpperHalf) != DropHitTestResults.None)
{
allowedEffects1 = !this.TimelineItem.TimelineItemManager.SortByZOrder ? TimelineDropEffects.After : TimelineDropEffects.Before;
}
else if ((this.HitTestResult & DropHitTestResults.LowerHalf) != DropHitTestResults.None)
{
allowedEffects1 = !this.TimelineItem.TimelineItemManager.SortByZOrder ? TimelineDropEffects.Before : TimelineDropEffects.After;
}
if ((e.AllowedEffects & DragDropEffects.Copy) != DragDropEffects.None && this.IsCopyKeyState(e.KeyStates))
{
allowedEffects1 |= TimelineDropEffects.Copy;
}
if ((e.AllowedEffects & DragDropEffects.Move) != DragDropEffects.None)
{
allowedEffects1 |= TimelineDropEffects.Move;
}
if ((this.HitTestResult & DropHitTestResults.CenterHalf) != DropHitTestResults.None)
{
TimelineDropEffects allowedEffects2 = allowedEffects1 & ~(TimelineDropEffects.Before | TimelineDropEffects.After);
this.DragDropContext = new DragDropContext(e.Data, this.TimelineItem, allowedEffects2);
IDropAction instance = DropActionFactory.CreateInstance(this.DragDropContext);
if (instance != null && instance.CanDrop(this.DragDropContext.Descriptor))
{
return(this.DragDropContext.Descriptor.ResultEffects);
}
}
this.DragDropContext = new DragDropContext(e.Data, this.TimelineItem, allowedEffects1);
IDropAction instance1 = DropActionFactory.CreateInstance(this.DragDropContext);
if (instance1 != null && instance1.CanDrop(this.DragDropContext.Descriptor))
{
return(this.DragDropContext.Descriptor.ResultEffects);
}
this.DragDropContext.Descriptor.DisableDrop();
return(this.DragDropContext.Descriptor.ResultEffects);
}
public override IDropAction CreateInstance(DragDropContext context)
{
this.CheckNullArgument((object)context, "context");
DocumentNodeMarkerSortedList result = (DocumentNodeMarkerSortedList)null;
if (DragSourceHelper.FirstDataOfType <DocumentNodeMarkerSortedList>(context.Data, ref result))
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)result, context);
if (insertionPoint != null)
{
foreach (DocumentNodeMarker documentNodeMarker in result.Markers)
{
if (documentNodeMarker.Node != null && documentNodeMarker.Node.Type != null && !insertionPoint.CanInsert((ITypeId)documentNodeMarker.Node.Type))
{
return((IDropAction)null);
}
}
return((IDropAction) new DropMarkerListAction(result, insertionPoint));
}
}
return((IDropAction)null);
}
public abstract IDropAction CreateInstance(DragDropContext context);
public DataBindingInsertionPointCreator(TimelineItem targetItem, SceneNode node, IProperty targetProperty, DragDropContext context)
: base(targetItem, node, context)
{
this.TargetProperty = targetProperty;
}
public DefaultTimelineItemInsertionPointCreator(TimelineItem targetItem, SceneNode node, DragDropContext context)
{
this.Item = targetItem;
this.Node = node;
this.Context = context;
}