You can also use the .element and .elements methods of helper objects to find particular form elements without needing to know exactly where they are, as explained in http://web2py.com/book/default/chapter/05#Server-side-DOM-and-Parsing and http://www.web2pyslices.com/main/slices/take_slice/43. Anthony
On Sunday, March 27, 2011 8:07:59 PM UTC-4, DenesL wrote: > > Actually the insert index depends on the formstyle. > It should be -2 for formstyle='table2cols' as above. > That has to be changed to -1 for formstyle='table3cols'. > > I think this is explained somewhere else in the manual but > form[0] is the TABLE and form[0][0] would be the first row (TR), etc. > > When 'table2cols' is used then there are two TRs per field, > hence the -2 index to get over the submit which is last. > While using the default 'table3cols' there is one TR per field, > so -1 does the job. > A different approach has to be used for other styles like 'divs' or > 'ul'. > > All this just to say that it is not easy to generalize, > you always have to know how things are built. > Playing with the objects in the shell, e.g. using dir on them, > and looking at the source code will help a lot. > > > On Mar 27, 12:50 pm, villas <[email protected]> wrote: > > Thanks Denes. It is very frustrating when this kind of information is > > not readily available, so I have added this pearl of wisdom to the > > book. > > > > I appreciate that what I have written is not fully explained, but > > sometimes a simple example is worth a thousand words. If you feel this > > could or should be improved, please let me know. > > > > http://web2py.com/book/default/chapter/07#Adding-extra-form-elements-... > > > > > On Mar 27, 3:16 pm, DenesL <[email protected]> wrote: > > > > > > > > > > > > > > > > > Just add > > > > > form[0].insert(-2,TR(LABEL('I agree to > > > terms'),INPUT(_name='agree',value=True,_type='checkbox'))) > > > > > after the form has been defined. > > > On submission form.vars.agree will have the status of the checkbox, > > > which you probably would check using onvalidation. > > > > > Where do I collect my bonus points? ;) > > > > > On Mar 27, 6:43 am, Brian Will <[email protected]> wrote: > > > > > > I have an insert SQLFORM of 8 fields, to which I'd like to add a > > > > single "I agree to terms" checkbox at the bottom. There are probably > > > > tons of ways to do this, but I'm hoping someone has a really simple > > > > method that doesn't require resorting to a manual FORM? Can I simply > > > > tack on another INPUT to the SQLFORM? (Bonus points for placing it > > > > after my last field but before the submit button). Here's the current > > > > > code. > > > > > > form = SQLFORM(db.job_post, submit_button='Post Job', > > > > formstyle='table2cols', > > > > fields=['poster_name', 'poster_email', 'poster_phone', > > > > 'zipcode', 'location_description', 'job_type', 'job_title', > > > > 'job_description'], > > > > _id='postjob' > > > > ) > > > > > > if form.accepts(request.vars, session): > > > > redirect(URL('post_email', vars={'id': form.vars.id, > > > > 'poster_name': form.vars.poster_name, 'poster_email': > > > > form.vars.poster_email})) > > > > > > What's solution allows me to make the minimal change? The simplest > > > > solution that occurs to me is to use a SQLFORM.factory: > > > > > > form = SQLFORM(db.job_post.poster_name, db.job_post.poster_email, > > > > > db.job_post.poster_phone, db.job_post.zipcode, > > > > db.job_post.location_description, db.job_post.job_type, > > > > db.job_post.job_title, db.job_post.job_description, FIELD('terms', > > > > 'boolean', IS_EQUAL_TO(True)) submit_button='Post Job', > > > > formstyle='table2cols', > > > > _id='postjob' > > > > ) > > > > > > if form.accepts(request.vars, session): > > > > form.vars.id = > > > > db.job_post.insert(**db.job_post._filter_fields(request.vars)) > > > > redirect(URL('post_email', vars={'id': form.vars.id, > > > > 'poster_name': form.vars.poster_name, 'poster_email': > > > > form.vars.poster_email})) > > > > > > I guess this isn't too onerous, but I don't really like having to > > > > manually do the insert, so I'm wondering about alternatives. BTW, why > > > > > does _filter_fields begin with _ if it's used publicly? Shouldn't it > > > > just be filter_fields?
