I mean you can't enforce On Fri, Aug 5, 2016 at 2:38 PM, Richard Vézina <ml.richard.vez...@gmail.com> wrote:
> That exactly one of my point about future of web2py and Massimo's > experimentation like w3 and more recently DBAPI ( > https://groups.google.com/d/msg/web2py-developers/jd7W_XS92aw/pZYzX07jAQAJ > ) > > Here : > https://groups.google.com/forum/#!msg/web2py-developers/x23GReU0McM/5kX42ft-PAAJ > > So, what you ask, modifying validator and return a new select element with > new validations properties is not possible for now in web2py to my > knowledge... The only way I can se you could make it works right would be > to create a custom validator in the which you will write the logic you need > in order for it behavior to change following and ajax call depending of > some available value in the select for instance... A lot of work. > > The consequences of this is that it is not possible to create a truelly > dynamic form with web2py as the form is created and processed server > side... That because you can't modified the property of the field validator > base on value of other fields for instance... It can be done as I explain > by create custom validator somehow with a lot of work and for custome > purpose... But let say you have to make some field (and validator) > accepting empty value when a certain value is selected in another field it > is actually difficult to do and you have to leave the field at > IS_EMPTY_OR(IS_IN_DB(...)) which is not interresting as some fields may end > empty because you enforce mandatory field base on data input in other > fields. So you need to rely on heavy jQuery script to achieve dynimic > form... > > Richard > > > > > > > On Fri, Aug 5, 2016 at 2:05 PM, Bernardo Leon <bbernardol...@gmail.com> > wrote: > >> It seems to be an interesting library but it is kind of expensive from >> what I see and I think it does not integrate with web2py, at least not with >> SQLFORM.crud. Thanks for the suggestion anyway! >> >> >> El viernes, 5 de agosto de 2016, 12:57:40 (UTC-5), Ron Chatterjee >> escribió: >>> >>> http://demos.telerik.com/kendo-ui/dropdownlist/cascadingdropdownlist >>> >>> might help >>> >>> On Friday, August 5, 2016 at 1:28:01 PM UTC-4, Bernardo Leon wrote: >>>> >>>> No, I am trying to get the cascade dropdowns working. >>>> >>>> I want to make an AJAX call from the parent dropdown AND refresh the >>>> child >>>> >>>> El viernes, 5 de agosto de 2016, 12:23:04 (UTC-5), Antonio Salazar >>>> escribió: >>>>> >>>>> Are you saying you managed to cascade the dropdowns, or just make an >>>>> AJAX call from the parent dropdown without refreshing the child? >>>>> >>>>> On Friday, August 5, 2016 at 11:28:44 AM UTC-5, Bernardo Leon wrote: >>>>>> >>>>>> Hi, I have an SQLFORM.grid form and when I am inserting data I want >>>>>> to make the selectors work in cascade. I have seen some recipies where >>>>>> they >>>>>> create by hand the form using plain html and throw some jQuery in the >>>>>> middle but I dont like it, I like the cleaness of web2py so I am looking >>>>>> for a cleaner way to accomplish this. >>>>>> >>>>>> So far I am trying with ajax request and I have been able to call a >>>>>> function in my controller passing the id of the parent selector to >>>>>> finally >>>>>> change the child's selector IS_IN_DB validator. That was my idea, but it >>>>>> seems I cannot change the validator from de controller, only from the >>>>>> model; so is there a way to reload the model within an ajax request so I >>>>>> can change the behavior of my form at runtime? Is there a better/cleaner >>>>>> way to accomplish this? >>>>>> >>>>>> Thank you! >>>>>> >>>>> -- >> Resources: >> - http://web2py.com >> - http://web2py.com/book (Documentation) >> - http://github.com/web2py/web2py (Source code) >> - https://code.google.com/p/web2py/issues/list (Report Issues) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
