public ActionResult PolicyOrder(policyData vData, int id, FormCollection collection)
{
PolicyLinkEntity policyLink = new PolicyLinkEntity(id);
PolicyLinkCollection coll = new PolicyLinkCollection();
PredicateExpression pe = new PredicateExpression(PolicyLinkFields.Id != policyLink.Id);
pe.Add(PolicyLinkFields.ParentId == policyLink.ParentId);
SortExpression se = null;
if (collection["up"] != null)
{
// Find all categories with display index less than ours.
pe.Add(PolicyLinkFields.Order <= policyLink.Order);
// Order by display index, highest first.
se = new SortExpression(PolicyLinkFields.Order | SortOperator.Descending);
}
else
{
// Find all categories with display index greater than ours.
pe.Add(PolicyLinkFields.Order >= policyLink.Order);
// Order by display index, lowest first.
se = new SortExpression(PolicyLinkFields.Order | SortOperator.Ascending);
}
// Swap with closest one.
if (coll.GetMulti(pe, 1, se) && coll.Count > 0)
{
int temp = coll[0].Order;
coll[0].Order = policyLink.Order;
policyLink.Order = temp;
policyLink.Save();
coll.SaveMulti();
}
return(RedirectToAction("EditPolicySet", new { id = policyLink.ParentId }));
}
