private static DataBindingDragDropModel UpdateDragModel(DataBindingDragDropModel dragModel)
{
if (!JoltHelper.DatabindingSupported(dragModel.TargetNode.ProjectContext))
{
dragModel.DropFlags = DataBindingDragDropFlags.None;
return(dragModel);
}
DataBindingDragDropHandler bindingDragDropHandler = (DataBindingDragDropHandler)null;
for (int index = 0; index < DataBindingDragDropManager.handlers.Length; ++index)
{
bindingDragDropHandler = DataBindingDragDropManager.handlers[index];
using (bindingDragDropHandler.InitDragModel(dragModel))
{
if (bindingDragDropHandler.CanHandle())
{
dragModel = bindingDragDropHandler.DragModel;
break;
}
bindingDragDropHandler = (DataBindingDragDropHandler)null;
}
}
DataBindingDragDropManager.targetHandler = bindingDragDropHandler;
if (bindingDragDropHandler == null)
{
dragModel.DropFlags = DataBindingDragDropFlags.None;
}
else
{
dragModel.DropFlags &= dragModel.DragFlags;
}
return(dragModel);
}
protected BaseFrameworkElement GetReusableDetailsContainer(bool setDataContextIfMissing, bool canCheckParent)
{
SceneElement sceneElement = this.DragModel.TargetNode as SceneElement;
if (sceneElement == null)
{
return((BaseFrameworkElement)null);
}
if (!this.IsSupportedDetailsContainer(sceneElement) && canCheckParent)
{
sceneElement = sceneElement.Parent as SceneElement;
if (sceneElement == null || !this.IsSupportedDetailsContainer(sceneElement))
{
return((BaseFrameworkElement)null);
}
}
DataContextInfo dataContextInfo = new DataContextEvaluator().Evaluate((SceneNode)sceneElement);
if (dataContextInfo != null && dataContextInfo.RawDataSource != null)
{
DataSourceInfo other = new DataSourceInfo(this.DragModel.DetailsContainerSchemaPath);
if (dataContextInfo.DataSource.CompareSources(other) == DataSourceMatchCriteria.Exact)
{
return((BaseFrameworkElement)sceneElement);
}
}
DocumentCompositeNode documentCompositeNode = (DocumentCompositeNode)sceneElement.DocumentNode;
if (documentCompositeNode.Properties[DesignTimeProperties.DesignDataContextProperty] != null || documentCompositeNode.Properties[BaseFrameworkElement.DataContextProperty] != null)
{
return((BaseFrameworkElement)null);
}
if (DataBindingDragDropHandler.ContainsDescendantsWithSourcelessBindings((DocumentNode)documentCompositeNode))
{
return((BaseFrameworkElement)null);
}
if (setDataContextIfMissing)
{
this.DragModel.ViewModel.BindingEditor.CreateAndSetBindingOrData((SceneNode)sceneElement, DesignTimeProperties.DesignDataContextProperty, this.DragModel.DetailsContainerSchemaPath);
this.LinkDetailsWithMasterControl(sceneElement);
}
return((BaseFrameworkElement)sceneElement);
}
protected static bool ContainsDescendantsWithSourcelessBindings(DocumentNode documentNode)
{
DocumentCompositeNode documentCompositeNode = documentNode as DocumentCompositeNode;
if (documentCompositeNode == null)
{
return(false);
}
if (documentCompositeNode.Type.IsBinding)
{
return(documentCompositeNode.Properties[BindingSceneNode.SourceProperty] == null);
}
foreach (DocumentNode documentNode1 in documentCompositeNode.ChildNodes)
{
if (DataBindingDragDropHandler.ContainsDescendantsWithSourcelessBindings(documentNode1))
{
return(true);
}
}
return(false);
}
public static void Reset()
{
DataBindingDragDropManager.isAltModifier = new bool?();
DataBindingDragDropManager.effectiveDragModel = (DataBindingDragDropModel)null;
DataBindingDragDropManager.targetHandler = (DataBindingDragDropHandler)null;
}
public void Dispose()
{
this.handler = (DataBindingDragDropHandler)null;
GC.SuppressFinalize((object)this);
}
public DataModelSetter(DataBindingDragDropHandler handler, DataBindingDragDropModel dragModel)
{
this.handler = handler;
this.handler.DragModel = dragModel;
}