And what if: - there is no ajax - the controller do the locking with controllable expiration - form validation checks if there is a proper lock for the record - if not invalidate the submit - if there is a lock then update/delete/... the record and release the lock
it could be done with crud internally... On márc. 26, 15:42, mdipierro <mdipie...@cs.depaul.edu> wrote: > It requires exposing an ajax listener. It would introduce a dependency > on a js library and would be more complex for the user who would have > to implement the listener. > > Massimo > > On Mar 26, 9:20 am, szimszon <szims...@gmail.com> wrote: > > > > > Seems to work. Thank you! > > > Anyway I think in long term it would be better to have such feature > > integrated in core web2py. > > > On márc. 26, 03:04, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > > No... that did not work. This does: > > > >http://web2py.com/plugins/default/locking > > > > On Mar 25, 5:20 pm, Massimo Di Pierro <mdipie...@cs.depaul.edu> wrote: > > > > > Give this a try... it may need some debugging > > > > > 1) install the plugin: > > > > > 2) in the controller actions that need some locking > > > > >lock=plugin_locking('tablename',record_id) > > > > if notlock: > > > > # record was locked > > > > redirect(....) > > > > else: > > > > #lockacquired > > > > return dict(...,lock=lock) > > > > > 3) and in page view: > > > > > {{=lock}} > > > > > will insert the JS that will renew thelockas long as the page is open > > > > > Thelockwill be associated to the record_id of tablename and any > > > > other user trying to access any other page locking the same record > > > > will be unable to do so. > > > > > As a shortcut you can simply insert > > > > > {{=plugin_locking('tablename',record_id) or 'this record was > > > > locked by another user'}} > > > > > or > > > > > {{=plugin_locking('tablename',record_id) or redirect('somehwre')}} > > > > > Massimo > > > > > web2py.plugin.locking.w2p > > > > 1KViewDownload -- You received this message because you are subscribed to the Google Groups "web2py-users" group. To post to this group, send email to web...@googlegroups.com. To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/web2py?hl=en.
