I think Jonathan have given enough reason of why not. There is
another post to discuss the same thing.
http://groups.google.com/group/web2py/msg/79c1f847890a6b60
In short, do resist the temptation of using multiple submit buttons,
pal. :)
On Feb28, 9:36am, "mr.freeze" <nat...@freezable.com> wrote:
> Why not just do this?:
>
> def index():
> form = FORM('blah blah',
> INPUT(_type='submit', _value='Apply',_name="apply"),
> INPUT(_type='submit', _value='Reset',_name="reset"),
> INPUT(_type='submit', _value='Reset
> all',_name="resetall"))
> if request.vars.apply:
> pass #apply was clicked
> elif request.vars.reset:
> pass #reset was clicked
> elif request.vars.resetall:
> pass #resetall was clicked
>
> On Feb 27, 6:30 pm, Jonathan Lundell <jlund...@pobox.com> wrote:
>
>
>
> > On Feb 27, 2010, at 4:03 PM, Thadeus Burgess wrote:
>
> > > If your running the latest version of web2py, look at
> > > controllers/appadmin.py in ccache function. It defines a form with
> > > three buttons, (one toc lear ram, one to clear disk, and one to clear
> > > both). Click the different submit button executes the appropriate
> > > function.
>
> > A caveat, though: this approach is problematical if the form has a text
> > input field and the user submits the form by typing return in an input
> > field, rather than clicking a button.
>
> > The problem as I understand it is that in that case you're not guaranteed
> > which button is returned. The culprit (no surprise) is IE. So if Tom's form
> > gets submitted by a return in a text field, and the browser is IE, he
> > presumably wants to see the Apply button, but might see one of the reset
> > buttons instead--not what the user intended.
>
> > My approach is to use one submit button, and to make the other buttons
> > type=button, with an onclick script to reinvoke the same controller with a
> > button ID in vars. You'll typically check for that at the beginning of the
> > controller.
>
> > I've been using it for a cancel button, as well as some
> > application-specific functions, and it seems to work well.
>
> > > -Thadeus
>
> > > On Sat, Feb 27, 2010 at 5:08 PM, Jonathan Lundell <jlund...@pobox.com>
> > > wrote:
> > >> On Feb 27, 2010, at 3:00 PM, Tiago Almeida wrote:
>
> > >> Don't know why functions reset, reset_all are not called but they
> > >> reference
> > >> a "form" variable which is not in scope? Do you have any global "form"?
>
> > >> The logic below can't work, for lots of reasons.
> > >> One is the one Tiago mentions. Another is that input elements do not have
> > >> action attributes; forms do. There are ways to accomplish this kind of
> > >> thing; most of them involve JavaScript.
> > >> This might be helpful (though it's not the way I'd do
> > >> it):http://www.javascript-coder.com/html-form/html-form-submit.phtml
>
> > >> Regards,
> > >> Tiago
> > >> --
>
> > >> On Sat, Feb 27, 2010 at 10:15 PM, Tomas Pelka <tompe...@gmail.com> wrote:
>
> > >>> Hi all,
>
> > >>> have some troubles with web form which have more than one button. It is
> > >>> obvious that one button (action connected with button) correspond with
> > >>> one function.
>
> > >>> According manual this should work:
> > >>> controler
> > >>> ---------
> > >>> def index():
> > >>> form = FORM('blah blah',
> > >>> INPUT(_type='submit', _value='Apply'),
> > >>> INPUT(_type='submit', _value='Reset', _action=URL(r=request,
> > >>> f='reset'),
> > >>> INPUT(_type='submit', _value='Reset all', _action=URL(r=request,
> > >>> f='reset_all'))
> > >>> if form.accepts(request.vars, session):
> > >>> pass
> > >>> elif form.errors:
> > >>> response.flash = 'Error'
> > >>> else:
> > >>> pass
> > >>> return dict(form=form)
>
> > >>> def reset():
> > >>> if form.accepts(request.vars, formname=None):
> > >>> response.flash = 'Reset'
> > >>> elif form.errors:
> > >>> response.flash = 'Error'
> > >>> else:
> > >>> pass
> > >>> return dict()
>
> > >>> def reset_all():
> > >>> if form.accepts(request.vars, formname=None):
> > >>> response.flash = 'Resert all'
> > >>> elif form.errors:
> > >>> response.flash = 'Error'
> > >>> else:
> > >>> pass
> > >>> return dict()
>
> > >>> But action functions (reset, reset_all) will not call. Am I doing
> > >>> anything wrong?
>
> > >>> Thanks for advice,
> > >>> cheers
>
> > >>> --
> > >>> Tom
>
> > >>> Key fingerprint = 06C0 23C6 9EB7 0761 9807 65F4 7F6F 7EAB 496B 28AA
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