/// <summary>
/// Returns the InstanceSave that uses this representation or the
/// instance that has a a contained instance that uses this representation.
/// </summary>
/// <param name="representation">The representation in question.</param>
/// <returns>The InstanceSave or null if one isn't found.</returns>
public InstanceSave GetInstance(IRenderableIpso representation, InstanceFetchType fetchType, List <ElementWithState> elementStack)
{
ElementSave selectedElement = SelectedState.Self.SelectedElement;
string prefix = selectedElement.Name + ".";
if (selectedElement is ScreenSave)
{
prefix = "";
}
return(GetInstance(representation, selectedElement, prefix, fetchType, elementStack));
}
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);
}
public InstanceSave GetInstance(IPositionedSizedObject 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();
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;
}
}
}
return(toReturn);
}
