[Django] #12265: Media (js/css) collection strategy in Forms has no order dependence concept

[Django]

#12265: Media (js/css) collection strategy in Forms has no order dependence 
concept
--------------------------------+-------------------------------------------
 Reporter:  tblanch...@mac.com  |       Owner:  nobody    
   Status:  new                 |   Milestone:            
Component:  Forms               |     Version:  1.1       
 Keywords:                      |       Stage:  Unreviewed
Has_patch:  0                   |  
--------------------------------+-------------------------------------------
 And thus is broken.  I have a form with a bunch of fields in it and when
 collecting the js files to include it mixes up the order and thus core.js
 ends up loaded later than files that require addEvent and the js load
 fails.  At the end of the day, this mechanism is just half baked and would
 be better removed entirely so busy developers can just get stuff done and
 not waste time with it.

 For example:

 class NewIncidentForm(forms.ModelForm):
     place = forms.CharField(widget=EditableMap(options={
         'layers': ['google.hybrid', 'google.streets', 'google.physical',
 'google.satellite',  ],
         'default_lat': 39.4421,
         'default_lon': -100.0,
         'default_zoom': 7,
         'geometry': 'point',
         }))
     when_occurred =
 forms.DateTimeField(widget=widgets.AdminSplitDateTime())
     when_reported =
 forms.DateTimeField(widget=widgets.AdminSplitDateTime())

     class Meta:
         model = Incident

     class Media:
         js = (  '/media/js/core.js',
                 '/media/js/admin/RelatedObjectLookups.js',
                 '/media/js/getElementsBySelector.js',
                 '/media/js/actions.js', )

 class Incident(models.Model):

     title = models.CharField(max_length=128)
     when_occurred = models.DateTimeField()
     when_reported = models.DateTimeField()
     reporter = models.ForeignKey(User)
     place = models.PointField()
     notes = models.TextField(max_length=4000)
     what_type = models.ForeignKey(IncidentType)

     # allow spatial querying
     objects = models.GeoManager()



 results in this:

        <link href="/static/olwidget/css/olwidget.css" type="text/css"
 media="all" rel="stylesheet" />
 <script type="text/javascript" src="/media/js/calendar.js"></script>
 <script type="text/javascript"
 src="/media/js/admin/DateTimeShortcuts.js"></script>
 <script type="text/javascript"
 src="http://openlayers.org/api/2.8/OpenLayers.js";></script>
 <script type="text/javascript"
 src="/static/olwidget/js/olwidget.js"></script>
 <script type="text/javascript"
 
src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAWGazslnMSgtzbIMfXLHIgBS5ci6sQZUkD9hfwKAiXgiJK2N7uxTWbLDcob2apHjRnK6OlA7hReqQaA";></script>
 <script type="text/javascript" src="/media/js/core.js"></script>
 <script type="text/javascript"
 src="/media/js/admin/RelatedObjectLookups.js"></script>
 <script type="text/javascript"
 src="/media/js/getElementsBySelector.js"></script>
 <script type="text/javascript" src="/media/js/actions.js"></script>

 which fails because DateTimeShortcuts requires addEvent which is defined
 in core.js

-- 
Ticket URL: <http://code.djangoproject.com/ticket/12265>
Django <http://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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