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34 lines
1.2 KiB
Python
Executable File
34 lines
1.2 KiB
Python
Executable File
import json
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from django.http import HttpResponse
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class AjaxableResponseMixin(object):
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"""
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Mixin to add AJAX support to a form.
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Must be used with an object-based FormView (e.g. CreateView)
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"""
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def render_to_json_response(self, context, **response_kwargs):
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data = json.dumps(context)
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response_kwargs['content_type'] = 'application/json'
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return HttpResponse(data, **response_kwargs)
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def form_invalid(self, form):
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response = super(AjaxableResponseMixin, self).form_invalid(form)
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if self.request.is_ajax():
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return self.render_to_json_response(form.errors, status=400)
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else:
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return response
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def form_valid(self, form):
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# We make sure to call the parent's form_valid() method because
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# it might do some processing (in the case of CreateView, it will
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# call form.save() for example).
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response = super(AjaxableResponseMixin, self).form_valid(form)
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if self.request.is_ajax():
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data = {
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'pk': self.object.pk,
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}
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return self.render_to_json_response(data)
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else:
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return response
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