admin.py

   1 from django.contrib import admin
   2 from django.contrib.contenttypes import generic
   3 from django.contrib.contenttypes.models import ContentType
   4 from django import forms
   5 from django.conf import settings
   6 from django.utils.translation import ugettext as _
   7 from django.utils.safestring import mark_safe
   8 from django.utils.html import escape
   9 from django.utils.text import truncate_words
  10 from models import *
  11
  12
  13 class AttributeInline(generic.GenericTabularInline):
  14         ct_field = 'entity_content_type'
  15         ct_fk_field = 'entity_object_id'
  16         model = Attribute
  17         extra = 1
  18         classes = ('collapse-closed',)
  19         allow_add = True
  20
  21
  22 class RelationshipInline(generic.GenericTabularInline):
  23         ct_field = 'entity_content_type'
  24         ct_fk_field = 'entity_object_id'
  25         model = Relationship
  26         extra = 1
  27         classes = ('collapse-closed',)
  28         allow_add = True
  29
  30
  31 class EntityAdmin(admin.ModelAdmin):
  32         inlines = [AttributeInline, RelationshipInline]
  33         save_on_top = True
  34
  35
  36 class CollectionMemberInline(admin.TabularInline):
  37         fk_name = 'collection'
  38         model = CollectionMember
  39         extra = 1
  40         classes = ('collapse-closed',)
  41         allow_add = True
  42
  43
  44 class CollectionAdmin(admin.ModelAdmin):
  45         inlines = [CollectionMemberInline]
  46
  47
  48 class TemplateAdmin(admin.ModelAdmin):
  49         prepopulated_fields = {'slug': ('name',)}
  50         fieldsets = (
  51                 (None, {
  52                         'fields': ('parent', 'name', 'slug')
  53                 }),
  54                 ('Documentation', {
  55                         'classes': ('collapse', 'collapse-closed'),
  56                         'fields': ('documentation',)
  57                 }),
  58                 (None, {
  59                         'fields': ('code',)
  60                 }),
  61                 ('Advanced', {
  62                         'classes': ('collapse','collapse-closed'),
  63                         'fields': ('mimetype',)
  64                 }),
  65         )
  66         save_on_top = True
  67         save_as = True
  68
  69
  70 class ModelLookupWidget(forms.TextInput):
  71         # is_hidden = False
  72
  73         def __init__(self, content_type, attrs=None):
  74                 self.content_type = content_type
  75                 super(ModelLookupWidget, self).__init__(attrs)
  76
  77         def render(self, name, value, attrs=None):
  78                 related_url = '../../../%s/%s/' % (self.content_type.app_label, self.content_type.model)
  79                 if attrs is None:
  80                         attrs = {}
  81                 if not attrs.has_key('class'):
  82                         attrs['class'] = 'vForeignKeyRawIdAdminField'
  83                 output = super(ModelLookupWidget, self).render(name, value, attrs)
  84                 output += '<a href="%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);">' % (related_url, name)
  85                 output += '<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" />' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup'))
  86                 output += '</a>'
  87                 if value:
  88                         value_class = self.content_type.model_class()
  89                         try:
  90                                 value_object = value_class.objects.get(pk=value)
  91                                 output += '&nbsp;<strong>%s</strong>' % escape(truncate_words(value_object, 14))
  92                         except value_class.DoesNotExist:
  93                                 pass
  94                 return mark_safe(output)
  95
  96
  97 class PageAdmin(EntityAdmin):
  98         prepopulated_fields = {'slug': ('title',)}
  99         fieldsets = (
 100                 (None, {
 101                         'fields': ('title', 'template')
 102                 }),
 103                 ('URL/Tree/Hierarchy', {
 104                         'classes': ('collapse', 'collapse-closed'),
 105                         'fields': ('parent', 'slug')
 106                 }),
 107         )
 108         list_display = ('title', 'path', 'template')
 109         list_filter = ('template',)
 110         search_fields = ['title', 'slug', 'contentlets__content']
 111
 112         def get_fieldsets(self, request, obj=None, **kwargs):
 113                 fieldsets = list(self.fieldsets)
 114                 if obj: # if no obj, creating a new page, thus no template set, thus no containers
 115                         page = obj
 116                         template = page.template
 117                         contentlet_containers, contentreference_containers = template.containers
 118                         for container_name in contentlet_containers:
 119                                 fieldsets.append((('Container: %s' % container_name), {
 120                                         'fields': (('contentlet_container_content_%s' % container_name), ('contentlet_container_dynamic_%s' % container_name))
 121                                 }))
 122                         for container_name, container_content_type in contentreference_containers:
 123                                 fieldsets.append((('Container: %s' % container_name), {
 124                                         'fields': (('contentreference_container_%s' % container_name),)
 125                                 }))
 126                 return fieldsets
 127
 128         def get_form(self, request, obj=None, **kwargs):
 129                 form = super(PageAdmin, self).get_form(request, obj, **kwargs)
 130                 if obj: # if no obj, creating a new page, thus no template set, thus no containers
 131                         page = obj
 132                         template = page.template
 133                         contentlet_containers, contentreference_containers = template.containers
 134                         for container_name in contentlet_containers:
 135                                 initial_content = None
 136                                 initial_dynamic = False
 137                                 try:
 138                                         contentlet = page.contentlets.get(name__exact=container_name)
 139                                         initial_content = contentlet.content
 140                                         initial_dynamic = contentlet.dynamic
 141                                 except Contentlet.DoesNotExist:
 142                                         pass
 143                                 form.base_fields[('contentlet_container_content_%s' % container_name)] = forms.CharField(label='Content', widget=forms.Textarea(), initial=initial_content, required=False)
 144                                 form.base_fields[('contentlet_container_dynamic_%s' % container_name)] = forms.BooleanField(label='Dynamic', help_text='Specify whether this content contains dynamic template code', initial=initial_dynamic, required=False)
 145                         for container_name, container_content_type in contentreference_containers:
 146                                 initial_content = None
 147                                 try:
 148                                         initial_content = page.contentreferences.get(name__exact=container_name, content_type=container_content_type).content.pk
 149                                 except ContentReference.DoesNotExist:
 150                                         pass
 151                                 form.base_fields[('contentreference_container_%s' % container_name)] = forms.ModelChoiceField(label='References', widget=ModelLookupWidget(container_content_type), initial=initial_content, required=False, queryset=container_content_type.model_class().objects.all())
 152                 return form
 153
 154         def save_model(self, request, page, form, change):
 155                 page.save()
 156                 template = page.template
 157                 contentlet_containers, contentreference_containers = template.containers
 158                 for container_name in contentlet_containers:
 159                         if (('contentlet_container_content_%s' % container_name) in form.cleaned_data) and (('contentlet_container_dynamic_%s' % container_name) in form.cleaned_data):
 160                                 content = form.cleaned_data[('contentlet_container_content_%s' % container_name)]
 161                                 dynamic = form.cleaned_data[('contentlet_container_dynamic_%s' % container_name)]
 162                                 contentlet, created = page.contentlets.get_or_create(name=container_name, defaults={'content': content, 'dynamic': dynamic})
 163                                 if not created:
 164                                         contentlet.content = content
 165                                         contentlet.dynamic = dynamic
 166                                         contentlet.save()
 167                 for container_name, container_content_type in contentreference_containers:
 168                         if ('contentreference_container_%s' % container_name) in form.cleaned_data:
 169                                 content = form.cleaned_data[('contentreference_container_%s' % container_name)]
 170                                 contentreference, created = page.contentreferences.get_or_create(name=container_name, defaults={'content': content})
 171                                 if not created:
 172                                         contentreference.content = content
 173                                         contentreference.save()
 174
 175
 176 admin.site.register(Collection, CollectionAdmin)
 177 admin.site.register(Redirect)
 178 admin.site.register(File)
 179 admin.site.register(Page, PageAdmin)
 180 admin.site.register(Template, TemplateAdmin)