The Acl manual explains it all. You should never really need to be editing these values directly, just use the console and/or Acl component, which will take care of all the Tree values for you.
Alternatively, learn how MPTT works, and spend a lot of time doing it all yourself. On Nov 9, 8:18 pm, Steveston <[EMAIL PROTECTED]> wrote: > If lft & right values are required, I am very surprised to see that > there is no any explanation on manual about it. > > On Nov 9, 11:07 am, "[EMAIL PROTECTED]" > > <[EMAIL PROTECTED]> wrote: > > Very much not. > > > The lft and rght values are an inherent part of the tree structure > > (it's a Modified Pre-Order Traversal Tree if you're interested). > > Without them, there is no tree structure. > > > The Acl system can be used to repair a damaged tree based on the > > parent_id fields, but without the full left and right stuff, it just > > won't be able to do aco or aro lookups, which is pretty fundamental. > > > I would recommend using the Acl behavior, which implies the Tree > > behavior too, as a means of editing these values and having the MPTT > > stuff handled for you. > > > For a clearer explanation see google on MPTT (or the forthcoming cake > > 1.2 manual... when I get round to it - sorry John!) > > > Simon > > > On Nov 9, 6:42 pm, Steveston <[EMAIL PROTECTED]> wrote: > > > > Default values for lft & right codes in aco & aro are NULL. > > > > If I do not provide lft & right value (just use default NULL), will > > > ACL still work correctly? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Cake PHP" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/cake-php?hl=en -~----------~----~----~----~------~----~------~--~---
