public static string GetAttachmentQualifiedName(this IRenderableIpso ipso, List <ElementWithState> elementStack)
{
IRenderableIpso parent = ipso.Parent;
IRenderableIpso child = ipso;
while (parent != null)
{
if (parent.Tag is ElementSave || parent.Tag == null)
{
// we found it, so break!
break;
}
else
{
InstanceSave thisInstance = child.Tag as InstanceSave;
if (thisInstance.IsParentASibling(elementStack))
{
child = parent;
parent = parent.Parent;
}
else
{
// we found it, so break;
break;
}
}
}
if (parent == null)
{
return(ipso.Name);
}
else
{
var parentName = parent.GetAttachmentQualifiedName(elementStack);
if (!string.IsNullOrEmpty(parentName))
{
return(parentName + "." + ipso.Name);
}
else
{
return(ipso.Name);
}
}
}
public InstanceSave GetInstance(IRenderableIpso representation, ElementSave instanceContainer, string prefix, InstanceFetchType fetchType, List <ElementWithState> elementStack)
{
if (instanceContainer == null)
{
return(null);
}
InstanceSave toReturn = null;
string qualifiedName = representation.GetAttachmentQualifiedName(elementStack);
// strip off the guide name if it starts with a guide
qualifiedName = StripGuideOrParentNameIfNecessaryName(qualifiedName, representation);
foreach (InstanceSave instanceSave in instanceContainer.Instances)
{
if (prefix + instanceSave.Name == qualifiedName)
{
toReturn = instanceSave;
break;
}
}
if (toReturn == null)
{
foreach (InstanceSave instanceSave in instanceContainer.Instances)
{
ElementSave instanceElement = instanceSave.GetBaseElementSave();
bool alreadyInStack = elementStack.Any(item => item.Element == instanceElement);
if (!alreadyInStack)
{
var elementWithState = new ElementWithState(instanceElement);
elementStack.Add(elementWithState);
toReturn = GetInstance(representation, instanceElement, prefix + instanceSave.Name + ".", fetchType, elementStack);
if (toReturn != null)
{
if (fetchType == InstanceFetchType.DeepInstance)
{
// toReturn will be toReturn, no need to do anything
}
else // fetchType == InstanceInCurrentElement
{
toReturn = instanceSave;
}
break;
}
elementStack.Remove(elementWithState);
}
}
}
return(toReturn);
}