public TrackPathPropertyChangedAndUpdateReferences(ElementLookup lookup, ElementViewModel element)
{
this.lookup = lookup;
this.element = element;
elementPropertyChangedHandler = new PropertyChangedEventHandler(element_PropertyChanged);
this.element.PropertyChanged += elementPropertyChangedHandler;
}
public TrackChildElementCreationAndRemoval(ElementLookup lookup, ElementViewModel element)
{
this.lookup = lookup;
this.element = element;
AddElements(element.ChildElements);
childElementsChangedHandler = new NotifyCollectionChangedEventHandler(ChildElements_CollectionChanged);
element.ChildElementsCollectionChange += childElementsChangedHandler;
}
public ElementReferenceOverAbsolutePath(ElementLookup lookup, ElementViewModel element, string path)
: base(lookup, element)
{
this.path = path;
base.PathChanged += (sender, args) =>
{
this.path = Element.Path;
};
}
public ElementReferenceOverAncestorPath(ElementLookup lookup, ElementViewModel element, string ancestorPath, string elementName)
: base(lookup, element)
{
this.ancestorPath = ancestorPath;
this.elementName = elementName;
base.PathChanged += (sender, args) =>
{
this.ancestorPath = Element.ParentElement.Path;
this.elementName = GetElementNamePropertyValue(Element);
};
}
public ElementChangeScope(ElementLookup lookup, Func <ElementViewModel, bool> predicate)
{
this.lookup = lookup;
this.predicate = predicate;
this.lookup.CollectionChanged += lookup_CollectionChanged;
}