I don't know if this the problem, but check trunk, because there was a bug with widgets.checkboxes.
2011/3/31 niknok <[email protected]> > Hello everyone. > > Is there anyone who could shed some light on this? > > 1. There are two versions of the code below which I thought are > *functionally > the same,* but the better looking code (version 1) doesn't work as > expected while ugly version 2 kinda works, browsing through questions work > but validation of answers fail every time ( I suspect the code is checking > the answers against the choices loaded in a previous questions (how > come???) > but couldn't put my finger on it and as far as see it, the only difference > between v 1 and 2 is the use of variables d_eng and d_loc ...) > 2. When is the "readable" parameter determined? For example, the value > of variable session.q['locale'] is 2, and since "2<>1" evaluates to False, > how come the field is still readable, or shown on screen when I expect it > to > be hidden? > > My objective is to display a form, show a random question, validate answers > against allowed choices then store it a temporary variable, then move to > another question (or back to a previous question).When all the questions are > done, save the answers as a single record in the quiz database, then mark > it to determine the score. > > I suspect that my problem stems from misunderstanding some web2py concept > but I'm not sure what... :P. Knowing what I intend to do, am I on the right > track of actually doing it right? If not, your suggestions are very welcome. > > Things I've noticed but don't know what to do: > > Nik > > > db.define_table('language', > Field('description'), > format='%(description)s') > > db.define_table('questionnaire', > Field('dialog_id'), > Field('language' db.language) > Field('dialog') > Field('choices', 'reference:string') > Field('key') > > #*version 1 - nice to look at but doesn't work*. [image: :-D] > #"readable" locale field parameter doesn't work as expected. > session.q['locale'] is set in another view/function. > #q: shortform for db.questionnaire > q = db.questionnaire > #retrieve English dialog (default language)d_eng = > db((q.dialog_id==session.q['draw'][session.item_id]['id'])&(q.language==1)).select(q.dialog) > #retrieve Alternative language and option listd_loc = > db((q.dialog_id==session.q['draw'][session.item_id]['id'])&(q.language==session.q['locale'])).select(q.dialog, > q.choices) > > form=SQLFORM.factory( > Field('english', 'string', writable=False, > default=d_eng[session.item_id-1]['dialog']), > Field('locale', 'string', writable=False, > readable = session.q['locale']<>1, # hide field if chosen > locale is English. > default=d_loc[session.item_id-1]['dialog']), > Field('answer', > widget=SQLFORM.widgets.checkboxes.widget, > default= session.q['answer'][session.item_id], > requires=IS_IN_SET(d_loc[session.item_id]['choices'], > multiple=True))) > > > #*version 2 - hard to read, but browsing through questions work. when user > chooses an answer, validation fails.* > # locale field readable still doesn't work.#q: shortform for > db.questionnaireq = db.questionnaireform=SQLFORM.factory( > Field('english', 'string', writable=False, > default=db((q.dialog_id==session.q['draw'][session.item_id]['id'])&(q.language==1)).select(q.dialog)[0]['dialog']), > Field('locale', 'string', writable=False, readable = > session.q['locale']<>1, # hide field if no locale selected (defaults to > English) > default=db((q.dialog_id==session.q['draw'][session.item_id]['id'])&(q.language==session.q['locale'])).select(q.dialog)[0]['dialog']), > Field('answer', widget=SQLFORM.widgets.checkboxes.widget, > default= session.q['answer'][session.item_id], > requires=IS_IN_SET(db((q.dialog_id==session.q['draw'][session.item_id]['id'])&(q.language==1)).select(q.choices)[0]['choices'], > multiple=True))) > > > > > > > -- My blog: http://martin.tecnodoc.com.ar Expert4Solution: http://www.experts4solutions.com/e4s/default/expert/6 http://www.cvstash.com/profile/Xzi5bWCdD
<<face-smile-big.png>>
