public new void New(IHost host)
{
CheckHostsDocument(host);
InternalNew(host, false);
_ancestors = new Ancestors();
_ancestors.Add(host.Document);
UpdateReadOnly(MergeAncestors(_ancestors));
}
public override void New()
{
var ancestors = new Ancestors();
var documentExpression = new DocumentExpression();
documentExpression.Type = DocumentType.Document;
documentExpression.DocumentArgs.OperatorName = ".Frontend.Form";
ancestors.Add(DocumentExpressionForm.Execute(documentExpression));
New(ancestors);
}
private void OnObservedPropertyChanged()
{
DisposeAndClearAncestors();
var ancestor = InitAncestor();
if (ancestor != null)
{
Ancestors.Add(ancestor);
}
OnChanged(PathItem);
}
//shared with observationbuilder (move to calculatorhelpers)
private void AddToAncestorArray(string key, string value)
{
if (Ancestors.ContainsKey(key))
{
//replace it
Ancestors[key] = value;
}
else
{
//add it
Ancestors.Add(key, value);
}
}
public CollectionChangeSubscriber(object effectiveObject, CollectionPathItem <T> pathItem, Action <PathItemBase <T> > onChanged)
: base(effectiveObject, pathItem, onChanged)
{
var notifyCollectionChange = effectiveObject as INotifyCollectionChanged;
if (notifyCollectionChange != null)
{
SubscribeToCollectionChange(notifyCollectionChange);
}
foreach (var ancestor in InitAncestors(EffectiveObject))
{
Ancestors.Add(ancestor);
}
}
public PropertyChangeSubscriber(object effectiveObject, PropertyPathItem <T> pathItem, Action <PathItemBase <T> > onChanged)
: base(effectiveObject, pathItem, onChanged)
{
var notifyPropertyChange = effectiveObject as INotifyPropertyChanged;
if (notifyPropertyChange != null)
{
Subscribe(notifyPropertyChange);
}
var ancestor = InitAncestor();
if (ancestor != null)
{
Ancestors.Add(ancestor);
}
}
private void UpdateAncestors(NotifyCollectionChangedEventArgs eventArgs)
{
switch (eventArgs.Action)
{
case NotifyCollectionChangedAction.Add:
CheckIndexValid(eventArgs.NewStartingIndex, "NewStartingIndex", NotifyCollectionChangedAction.Add);
Ancestors.Insert(eventArgs.NewStartingIndex, CreateSubscriberForCollectionItem(eventArgs.NewItems.Cast <object>().Single()));
return;
case NotifyCollectionChangedAction.Remove:
CheckIndexValid(eventArgs.OldStartingIndex, "OldStartingIndex", NotifyCollectionChangedAction.Remove);
Ancestors[eventArgs.OldStartingIndex].Dispose();
Ancestors.RemoveAt(eventArgs.OldStartingIndex);
return;
case NotifyCollectionChangedAction.Replace:
CheckIndexValid(eventArgs.OldStartingIndex, "OldStartingIndex", NotifyCollectionChangedAction.Replace);
Ancestors[eventArgs.OldStartingIndex].Dispose();
Ancestors[eventArgs.OldStartingIndex] = CreateSubscriberForCollectionItem(eventArgs.NewItems.Cast <object>().Single());
return;
case NotifyCollectionChangedAction.Move:
CheckIndexValid(eventArgs.OldStartingIndex, "OldStartingIndex", NotifyCollectionChangedAction.Move);
CheckIndexValid(eventArgs.NewStartingIndex, "NewStartingIndex", NotifyCollectionChangedAction.Move);
var movingAncestor = Ancestors[eventArgs.OldStartingIndex];
Ancestors.RemoveAt(eventArgs.OldStartingIndex);
Ancestors.Insert(eventArgs.NewStartingIndex, movingAncestor);
return;
case NotifyCollectionChangedAction.Reset:
DisposeAndClearAncestors();
foreach (var ancestor in InitAncestors(EffectiveObject))
{
Ancestors.Add(ancestor);
}
return;
default:
throw new ArgumentException(string.Format("Unknown eventArgs.Action enum action: {0}", eventArgs.Action), "eventArgs");
}
}
public RootObjectSubscriber(object effectiveObject, PathItemBase <T> pathItem, Action <PathItemBase <T> > onChanged)
: base(effectiveObject, pathItem, onChanged)
{
Ancestors.Add(CreateSubscriber(effectiveObject, pathItem.Ancestor, onChanged));
}
