thanks, I think I´ve got it now. the documentation of custom manipulators really lacks advanced examples. I don´t know how one should find out what you explained in the last few mails by reading the documentation. e.g., I´m quite sure that there´s no explanation of "_meta" in the documentation
anyway, thanks a lot. patrick Am 22.09.2006 um 08:42 schrieb Ivan Sagalaev: > > patrickk wrote: >> I don´t want to stress your help, but do you know where to find an >> example on using a custom manipulator for *updating* data. >> >> question is, where does the custom manipulator gets the data (stored >> in the database) from. >> the way I did it so far: >> 1. using a changmanipulator to get and display the data >> 2. using a custom manipulator to handle the form, do validation and >> save the data >> >> when you´re saying that I should only use *one* manipulator, there >> has to be a possibility to get the data with the custom manipulator. >> something like: manipulator = UserProfile.MyCustomManipulator >> (user_id) > > Since it's custom manipulator it's all up to you how to retrieve data. > The most straightforward way is to copy the common behavior: implement > flatten_data: > > class MyCustomManipulator(forms.Manipulator): > def __init__(self, id): > self.original_object = Model.objects.get(pk=id) > self.fields= [ > ... > ] > > def flatten_data(): > return dict([(field.name, getattr(t, field.attname)) for > field > in self.original_object._meta.fields]) > > This is a very simple implementation of flatten_data. It doesn't > handle > ManyToManyField for example. But the idea is that you have to return a > dict with keys corresponding to your manipulator field names. > >> sorry for being slow off the mark here, but that really contradicts >> my reading of the documentation. > > Why that? Docs never say that you should use different manipulators > for > giving away and accepting data. However it really lacks more advanced > examples of using custom manipulators... > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users -~----------~----~----~----~------~----~------~--~---
