Issue 768 <http://code.google.com/p/web2py/issues/detail?id=768>:Allow insert of unsorted or unordered list:reference type field values On Thu, Apr 19, 2012 at 5:08 PM, Richard Vézina <[email protected] > wrote:
> Found this > http://stackoverflow.com/questions/1867861/python-dictionary-keep-keys-values-in-same-order-as-declared > on > stackoverflow where the most rated post redirect here : > http://dev.pocoo.org/hg/sandbox/raw-file/tip/odict.py > > Notice, it will download odict.py into your computer that contain a class > supposing to allow preservation of initial order in a python dict... > > I think, it could be nice to have this class added to web2py in order to > allow insert into database of unordered list:reference field input... > > Since this could be slow (not in case of few value I think), it could be a > choice offer to the user like : list:reference sorted or list:reference > unsorted... > > What do you think?? > > Richard > > > On Thu, Apr 19, 2012 at 4:59 PM, Richard Vézina < > [email protected]> wrote: > >> Some progress... >> >> I just make a check and chosen plugin multiple select option return a >> unordered list of the picked element by the user... >> >> So, now, I think that it could be nice if web2py allow some way to >> determine in case of use of chosen kind of plugin to store a unordered list >> in list:reference field... >> >> I think that it is near line 207 (web2py 1.99.4) gluon/sqlhtml that we >> have to make change : >> >> class OptionsWidget(FormWidget): >> >> @staticmethod >> def has_options(field): >> """ >> checks if the field has selectable options >> >> :param field: the field needing checking >> :returns: True if the field has options >> """ >> >> return hasattr(field.requires, 'options') >> >> @classmethod >> def widget(cls, field, value, **attributes): >> """ >> generates a SELECT tag, including OPTIONs (only 1 option allowed) >> >> see also: :meth:`FormWidget.widget` >> """ >> default = dict(value=value) # HERE!!!!!!!! >> >> I am not pretty sure actually... And I don't really know, what could be >> done to keep submit multiple list order in case of plugin use... >> >> I try naively to replace >> >> default = dict(value=value) >> >> By >> >> defautl = value >> >> But it failed. >> >> Richard >> >> >> >> >> On Thu, Apr 19, 2012 at 3:43 PM, Richard Vézina < >> [email protected]> wrote: >> >>> This is a part of the solution I think : >>> >>> http://www.ryancramer.com/journal/entries/select_multiple/ >>> >>> Richard >>> >>> >>> On Thu, Apr 19, 2012 at 3:08 PM, Richard <[email protected]>wrote: >>> >>>> Hello, >>>> >>>> I would know if there is a way to tell to list:reference to not order >>>> the id of the reference table to keep the order in wich the user has pick >>>> those element... At the same time I just thought that this concept is >>>> useless except in case you use some javascript plugin like Chosen Multiple >>>> Select (http://harvesthq.github.com/chosen/) because, you pick the >>>> element in a list and there is no way to know which element in the list the >>>> user has selected first. >>>> >>>> My need is to allow users to select element from an other table and >>>> keep a more informative those selected thing. Like the ingredient on the >>>> back panel of food box, the first ingredient more abondant than the second >>>> an so on. >>>> >>>> So, for now I think I am stock with a text field. I would avoid a free >>>> text field because I would prefer user to always use the same name for the >>>> same thing, but I can't do it with text type field. What I thought is a >>>> list:reference field and a button beside the field to allow allow user to >>>> add missing element name in the foreign table if need without leave the >>>> original form. This can be done easily with the select or add web2py slice >>>> : >>>> http://www.web2pyslices.com/slice/show/1446/widget-select-or-add-option. >>>> Thanks to the author. >>>> >>>> But, I think that keeping the order of the selected element can't be >>>> done?? >>>> >>>> Thanks for help. >>>> >>>> Richard >>>> >>> >>> >> >
