df5a13c5ec
Allows the creation of related objects during a workflow.
For example, this patch implements importing keypairs during
the launch instance workflow and allocating floating IP
addresses during the floating IP associate workflow.
This required several significant changes:
* SelfHandlingForm should no long return a redirect.
Instead, it should return either the object it
created/acted on, or else a boolean such as True.
* The ModalFormView now differentiates between GET
and POST.
* Due to the previous two items, SelfHandlingForm
was mostly gutted (no more maybe_handle, etc.).
* Modals now operate via a "stack" where only the
top modal is visible at any given time and closing
one causes the next one to become visible.
In the process of these large changes there was a large
amount of general code cleanup, especially in the javascript
code and the existing SelfHandlingForm subclasses/ModalFormView
subclasses. Many small bugs were fixed along with the cleanup.
Implements blueprint inline-object-creation.
Fixes bug 994677.
Fixes bug 1025977.
Fixes bug 1027342.
Fixes bug 1025919.
Change-Id: I1808b34cbf6f813eaedf767a6364e815c0c5e969
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from django import forms
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from django.forms.forms import NON_FIELD_ERRORS
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from django.utils import dates, timezone
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class SelfHandlingForm(forms.Form):
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"""
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A base :class:`Form <django:django.forms.Form>` class which includes
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processing logic in its subclasses.
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"""
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def __init__(self, request, *args, **kwargs):
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self.request = request
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if not hasattr(self, "handle"):
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raise NotImplementedError("%s does not define a handle method."
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% self.__class__.__name__)
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super(SelfHandlingForm, self).__init__(*args, **kwargs)
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def api_error(self, message):
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"""
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Adds an error to the form's error dictionary after validation
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based on problems reported via the API. This is useful when you
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wish for API errors to appear as errors on the form rather than
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using the messages framework.
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"""
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self._errors[NON_FIELD_ERRORS] = self.error_class([message])
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class DateForm(forms.Form):
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""" A simple form for selecting a start date. """
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month = forms.ChoiceField(choices=dates.MONTHS.items())
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year = forms.ChoiceField()
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def __init__(self, *args, **kwargs):
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super(DateForm, self).__init__(*args, **kwargs)
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years = [(year, year) for year
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in xrange(2009, timezone.now().year + 1)]
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years.reverse()
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self.fields['year'].choices = years
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