public static BuildingElement MergeBuildingElement(this BuildingElement element1, BuildingElement element2)
{
BuildingElement rtnElement = null;
if (element1.Area() > element2.Area())
{
rtnElement = element2.Copy();
}
else
{
rtnElement = element1.Copy();
}
rtnElement.ExtendedProperties.Remove(rtnElement.ContextProperties());
//Move any properties over which need to be merged between the two elements... Currently only adjacent spaces
BuildingElementContextProperties masterProperties = new BuildingElementContextProperties();
BuildingElementContextProperties mergeToProps = (element1.ContextProperties() as BuildingElementContextProperties);
if (mergeToProps != null)
{
masterProperties.Colour = mergeToProps.Colour;
masterProperties.ConnectedSpaces = new List <string>(mergeToProps.ConnectedSpaces);
masterProperties.IsAir = mergeToProps.IsAir;
masterProperties.IsGround = mergeToProps.IsGround;
masterProperties.Reversed = mergeToProps.Reversed;
}
BuildingElementContextProperties mergeProps = (element2.ContextProperties() as BuildingElementContextProperties);
if (mergeProps == null)
{
mergeProps = new BuildingElementContextProperties(); //Hopefully this will never be needed...
}
if (mergeProps.ConnectedSpaces.Count > 0)
{
if (masterProperties.ConnectedSpaces.Count == 1)
{
masterProperties.ConnectedSpaces.Add(mergeProps.ConnectedSpaces.Where(x => x != "-1").FirstOrDefault());
}
else
{
masterProperties.ConnectedSpaces[masterProperties.ConnectedSpaces.IndexOf("-1")] = mergeProps.ConnectedSpaces.Where(x => x != "-1").FirstOrDefault();
}
}
rtnElement.ExtendedProperties.Add(masterProperties);
return(rtnElement);
}
