Wow, thanks! Python is pretty amazing. (I come from a largely C background.)
On Monday, 31 March 2014 01:06:11 UTC-4, Anthony wrote: > > Yes, that will do it. form.vars (as well as request.vars and many other > web2py objects) is a gluon.storage.Storage object, which is much like a > dictionary and allows dictionary-like syntax for accessing items. Similar > syntax works with DAL Table and Row objects. > > Anthony > > On Monday, March 31, 2014 12:49:37 AM UTC-4, mweissen wrote: > >> Try form.vars['color'] or take a variable v >> v="color" >> form.vars[v] >> >> >> >> >> 2014-03-31 2:32 GMT+02:00 horridohobbyist <horrido...@gmail.com<javascript:> >> >: >> >>> But if I create a name such as, for example, "color", I'd need to access >>> the form variable thusly: form.vars.color. Since the name was created on >>> the fly, how can I actually say "form.vars.color"?? If the name was created >>> and stored in a variable, say, x, I can't say "form.vars.x". I guess I >>> don't quite understand Python's capabilities. >>> >>> >>> On Sunday, 30 March 2014 20:00:56 UTC-4, Anthony wrote: >>>> >>>> Well, you need some way to dynamically create names for your fields as >>>> well. Figure something out based on whatever you are using to construct >>>> the >>>> fields themselves. >>>> >>>> On Sunday, March 30, 2014 7:45:56 PM UTC-4, horridohobbyist wrote: >>>>> >>>>> Treating a form like a Python list works like a charm. However, having >>>>> dynamically added SELECT fields, I don't know how to extract the >>>>> form.vars >>>>> for these fields. I don't know how to assign _name in a way that I can >>>>> reference it after the form has been accepted. For example, >>>>> >>>>> elements = [] >>>>> for b in a: >>>>> sel = [] >>>>> for c, val in a[b].iteritems(): >>>>> sel.append(string.capitalize(c)+':'+str(val)) >>>>> sel.sort() >>>>> elements.append(TR(T(string.capitalize(b)),SELECT(sel,_ >>>>> name=???))) >>>>> >>>>> After a form.accepts, I need to access form.vars.??? to get the field >>>>> selection. But how do I know what the variable name is?? >>>>> >>>>> >>>>> On Saturday, 29 March 2014 09:21:59 UTC-4, Tim Richardson wrote: >>>>>> >>>>>> FORMs are just HTML helpers, so you manipulate them after creating >>>>>> them. >>>>>> You can therefore just treat them like python lists, but there is >>>>>> functionality which may be more helpful: >>>>>> >>>>>> http://web2py.com/books/default/chapter/29/05/the- >>>>>> views#Server-side-DOM-and-parsing >>>>>> >>>>>> >>>>>> >>>>>> On Sunday, 30 March 2014 00:11:27 UTC+11, horridohobbyist wrote: >>>>>>> >>>>>>> Is there a way for me to dynamically add form elements, such as >>>>>>> INPUT fields or SELECT fields, to a form? I'm not sure how to do this. >>>>>>> I'd >>>>>>> like to add these elements only under certain conditions. >>>>>>> >>>>>>> Thanks. >>>>>>> >>>>>>> -- >>> 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+un...@googlegroups.com <javascript:>. >>> 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.
