/// <summary>
/// Set a capability for a model.
/// </summary>
/// <param name="self">Element model to affect</param>
/// <param name="capability">Capability to set</param>
/// <param name="active">true to set the capability, false to remove it</param>
public static void SetCapability(this IGraphElementModel self, Capabilities capability, bool active)
{
if (!(self.Capabilities is IList <Capabilities> capabilities))
{
return;
}
if (active)
{
if (!self.HasCapability(capability))
{
capabilities.Add(capability);
}
}
else
{
capabilities.Remove(capability);
}
}
/// <summary>
/// Tests if a model has the capability to be moved.
/// </summary>
/// <param name="self">Model to test</param>
/// <returns>True if it has the capability, false otherwise.</returns>
public static bool IsMovable(this IGraphElementModel self)
{
return(self.HasCapability(Capabilities.Movable));
}