Chris, Never did it myself but you could maybe write your own form builder. Have a look at the code in merb-helpers to see how stuff's done currently and where you can extend it.
cheers snusnu On Sat, Oct 24, 2009 at 15:16, Chris Hoeppner <[email protected]> wrote: > > That does make sense, and doesn't mess with the browsing history (aka > backbutton mess). > > As for the error messages, I remember from Django (let's forget for a > moment that it's completely different from anything you have in Ruby) > you could really easily create your own "helper" for rendering form > fields, and could thus implement a generic way of showing error messages > next to the corresponding field in the form. Maybe there's something > half way similar in Merb? I guess I could wrap merb's form helper > methods, but that seems hacky. > > The output I eventually want to obtain would be something along the > lines of... > > <form....> > <p> > <label...> > <input .....> > <!-- if @model.errors['whatever'] --> > <p class="error">Field can't be empty</p> > </p> > </form> > > I guess this might not be as common as to deserve a core helper, but > maybe I'm overlooking something? > > Pavel Kunc escribió: >> As in Rails as Tony said I use in my apps this kind of code: >> >> def new >> @model = Model.new >> render >> end >> >> def create >> @model = Model.new(params[model]) >> begin >> @model.save >> redirect url(:next), :message => {:success => 'You did it!'} >> rescue Sequel::ValidationFailed >> render :new >> end >> end >> >> In new you can have: >> <%= error_messages_for :model %> >> .. >> .. >> >> On Oct 23, 9:28 pm, Tony Collen <[email protected]> wrote: >> >>> Just like Rails... render the "new" action with whatever @model ivar set. >>> If you redirect you have to put the model in the session, but redirecting >>> would mess with the back button. >>> >>> - T >>> >>> On Fri, Oct 23, 2009 at 10:50 AM, Chris Hoeppner >>> <[email protected]>wrote: >>> >>> >>> >>> >>> >>> >>>> Hey, >>>> >>>> I've been pondering about this for a while, or at least the best way to >>>> achieve this. It's a fairly common thing, but I can't seem to wrap my >>>> head around it for whatever reason. >>>> >>>> So, say a user submits a form, and whatever he sent you is "invalid". >>>> What next? >>>> >>>> * Need to redirect somewhere else. Maybe back to the "new" form? >>>> * Need to have the invalid object available, to show pertinent >>>> validation messages. Do I put the object in the session and have the >>>> "new" action try to read it from there? >>>> * Maybe I don't want to have a big red box on top showing all the error >>>> messages. Any "easy" way to display a field's error message next to the >>>> field itself? >>>> >>>> Any tips in this regard are greatly appreciated. >>>> >> > >> > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "merb" 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/merb?hl=en -~----------~----~----~----~------~----~------~--~---
