private static void RoleNameVisibilityChangedEvent(object sender, ElementPropertyChangedEventArgs e)
{
FactTypeShape factTypeShape = (FactTypeShape)e.ModelElement;
if (!factTypeShape.IsDeleted)
{
DisplayRoleNames display = factTypeShape.DisplayRoleNames;
bool shouldBeVisible = display == DisplayRoleNames.On || (display == DisplayRoleNames.UserDefault && OptionsPage.CurrentRoleNameDisplay == RoleNameDisplay.On);
foreach (ShapeElement childShape in factTypeShape.RelativeChildShapes)
{
RoleNameShape roleNameShape;
if (null != (roleNameShape = childShape as RoleNameShape) &&
(shouldBeVisible ^ roleNameShape.IsVisible))
{
if (shouldBeVisible)
{
roleNameShape.Show();
}
else
{
roleNameShape.Hide();
}
}
}
}
}
/// <summary>
/// Set shape visibility for the given fact type, fact type shape, and diagram
/// </summary>
private static void UpdateRoleNameDisplay(FactType factType, FactTypeShape factTypeShape, ORMDiagram diagram, bool immediateNotification)
{
DisplayRoleNames display = factTypeShape.DisplayRoleNames;
bool asObjectType = factTypeShape.DisplayAsObjectType;
bool shouldDisplay = !asObjectType && display == DisplayRoleNames.On || (display == DisplayRoleNames.UserDefault && OptionsPage.CurrentRoleNameDisplay == RoleNameDisplay.On);
bool shouldRemove = asObjectType || display == DisplayRoleNames.Off;
foreach (RoleBase roleBase in factType.RoleCollection)
{
Role role = roleBase as Role;
if (role != null && !string.IsNullOrEmpty(role.Name))
{
UpdateRoleNameDisplay(role, factType, factTypeShape, diagram, shouldDisplay, shouldRemove, immediateNotification);
}
}
}
