internal void UpdateTargetedParentReference(
DependencyObject dependencyObject,
DependencyObject rootExecutionContext,
ref object newValue)
{
var selectorTreeResolutionContext = new SelectorTreeResolutionContext(rootExecutionContext);
var resolvedObject = Selector.Resolve(dependencyObject, ref selectorTreeResolutionContext);
var currentSelector = Selector.NextSelector;
while (currentSelector != null)
{
resolvedObject = currentSelector.Resolve(resolvedObject, ref selectorTreeResolutionContext);
currentSelector = currentSelector.NextSelector;
}
var targetedRefExecutionFrame = selectorTreeResolutionContext.GetLastFrame();
var parentExecutionFrame = selectorTreeResolutionContext.GetBacktracedFrame(1);
//the itemscontrol
var resolvedParentElement = parentExecutionFrame.ResolvedValue;
var targetedElementPropertySelector = targetedRefExecutionFrame.SelectorInstance as PropertySelector;
//var targetedElementArraySelector = targetedRefExecutionFrame.SelectorInstance as ArrayElementSelector;
if (targetedElementPropertySelector == null)
{
throw new NotSupportedException();
}
var targetedElementPropertyName = targetedElementPropertySelector.PropertyName;
resolvedParentElement.SetPropertyValue(targetedElementPropertyName, newValue);
}
//TODO implement other selectors like array accessors?
internal IAnimatable ResolveSelectorTree(DependencyObject dependencyObject, DependencyObject rootExecutionContext)
{
var selectorTreeResolutionContext = new SelectorTreeResolutionContext(rootExecutionContext);
var resolvedObject = Selector.Resolve(dependencyObject, ref selectorTreeResolutionContext);
var currentSelector = Selector.NextSelector;
while (currentSelector != null)
{
resolvedObject = currentSelector.Resolve(resolvedObject, ref selectorTreeResolutionContext);
currentSelector = currentSelector.NextSelector;
}
return((IAnimatable)resolvedObject);
}