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 philo.models import *
  11 from django.core.exceptions import ValidationError, ObjectDoesNotExist
  12 from validators import TreeParentValidator, TreePositionValidator
  13
  14
  15 COLLAPSE_CLASSES = ('collapse', 'collapse-closed', 'closed',)
  16
  17
  18 class AttributeInline(generic.GenericTabularInline):
  19         ct_field = 'entity_content_type'
  20         ct_fk_field = 'entity_object_id'
  21         model = Attribute
  22         extra = 1
  23         template = 'admin/philo/edit_inline/tabular_collapse.html'
  24         allow_add = True
  25
  26
  27 class RelationshipInline(generic.GenericTabularInline):
  28         ct_field = 'entity_content_type'
  29         ct_fk_field = 'entity_object_id'
  30         model = Relationship
  31         extra = 1
  32         template = 'admin/philo/edit_inline/tabular_collapse.html'
  33         allow_add = True
  34
  35
  36 class EntityAdmin(admin.ModelAdmin):
  37         inlines = [AttributeInline, RelationshipInline]
  38         save_on_top = True
  39
  40
  41 class CollectionMemberInline(admin.TabularInline):
  42         fk_name = 'collection'
  43         model = CollectionMember
  44         extra = 1
  45         classes = COLLAPSE_CLASSES
  46         allow_add = True
  47         fields = ('member_content_type', 'member_object_id', 'index',)
  48
  49
  50 class CollectionAdmin(admin.ModelAdmin):
  51         inlines = [CollectionMemberInline]
  52         list_display = ('name', 'description', 'get_count')
  53
  54
  55 class TreeForm(forms.ModelForm):
  56         def __init__(self, *args, **kwargs):
  57                 super(TreeForm, self).__init__(*args, **kwargs)
  58                 instance = self.instance
  59                 instance_class=self.get_instance_class()
  60
  61                 if instance_class is not None:
  62                         try:
  63                                 self.fields['parent'].queryset = instance_class.objects.exclude(id=instance.id)
  64                         except ObjectDoesNotExist:
  65                                 pass
  66
  67                 self.fields['parent'].validators = [TreeParentValidator(*self.get_validator_args())]
  68
  69         def get_instance_class(self):
  70                 return self.instance.__class__
  71
  72         def get_validator_args(self):
  73                 return [self.instance]
  74
  75         def clean(self):
  76                 cleaned_data = self.cleaned_data
  77
  78                 try:
  79                         parent = cleaned_data['parent']
  80                         slug = cleaned_data['slug']
  81                         obj_class = self.get_instance_class()
  82                         tpv = TreePositionValidator(parent, slug, obj_class)
  83                         tpv(self.instance)
  84                 except KeyError:
  85                         pass
  86
  87                 return cleaned_data
  88
  89
  90 class TemplateAdmin(admin.ModelAdmin):
  91         prepopulated_fields = {'slug': ('name',)}
  92         fieldsets = (
  93                 (None, {
  94                         'fields': ('parent', 'name', 'slug')
  95                 }),
  96                 ('Documentation', {
  97                         'classes': COLLAPSE_CLASSES,
  98                         'fields': ('documentation',)
  99                 }),
 100                 (None, {
 101                         'fields': ('code',)
 102                 }),
 103                 ('Advanced', {
 104                         'classes': COLLAPSE_CLASSES,
 105                         'fields': ('mimetype',)
 106                 }),
 107         )
 108         save_on_top = True
 109         save_as = True
 110         list_display = ('__unicode__', 'slug', 'get_path',)
 111         form = TreeForm
 112
 113
 114 class ModelLookupWidget(forms.TextInput):
 115         # is_hidden = False
 116
 117         def __init__(self, content_type, attrs=None):
 118                 self.content_type = content_type
 119                 super(ModelLookupWidget, self).__init__(attrs)
 120
 121         def render(self, name, value, attrs=None):
 122                 related_url = '../../../%s/%s/' % (self.content_type.app_label, self.content_type.model)
 123                 if attrs is None:
 124                         attrs = {}
 125                 if not attrs.has_key('class'):
 126                         attrs['class'] = 'vForeignKeyRawIdAdminField'
 127                 output = super(ModelLookupWidget, self).render(name, value, attrs)
 128                 output += '<a href="%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);">' % (related_url, name)
 129                 output += '<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" />' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup'))
 130                 output += '</a>'
 131                 if value:
 132                         value_class = self.content_type.model_class()
 133                         try:
 134                                 value_object = value_class.objects.get(pk=value)
 135                                 output += '&nbsp;<strong>%s</strong>' % escape(truncate_words(value_object, 14))
 136                         except value_class.DoesNotExist:
 137                                 pass
 138                 return mark_safe(output)
 139
 140
 141 class NodeForm(TreeForm):
 142         def get_instance_class(self):
 143                 return Node
 144
 145         def get_validator_args(self):
 146                 return [self.instance, 'instance']
 147
 148
 149 class PageAdminForm(NodeForm):
 150         class Meta:
 151                 model=Page
 152
 153
 154 class RedirectAdminForm(NodeForm):
 155         class Meta:
 156                 model=Redirect
 157
 158
 159 class FileAdminForm(NodeForm):
 160         class Meta:
 161                 model=File
 162
 163
 164 class NodeAdmin(EntityAdmin):
 165         pass
 166
 167
 168 class RedirectAdmin(NodeAdmin):
 169         fieldsets = (
 170                 (None, {
 171                         'fields': ('slug', 'target', 'status_code')
 172                 }),
 173                 ('URL/Tree/Hierarchy', {
 174                         'classes': COLLAPSE_CLASSES,
 175                         'fields': ('parent',)
 176                 }),
 177         )
 178         list_display=('slug', 'target', 'path', 'status_code',)
 179         list_filter=('status_code',)
 180         form = RedirectAdminForm
 181
 182
 183 class FileAdmin(NodeAdmin):
 184         prepopulated_fields = {'slug': ('file',)}
 185         fieldsets = (
 186                 (None, {
 187                         'fields': ('file', 'slug', 'mimetype')
 188                 }),
 189                 ('URL/Tree/Hierarchy', {
 190                         'classes': COLLAPSE_CLASSES,
 191                         'fields': ('parent',)
 192                 }),
 193         )
 194         form=FileAdminForm
 195         list_display=('slug', 'mimetype', 'path', 'file',)
 196
 197
 198 class PageAdmin(NodeAdmin):
 199         add_form_template = 'admin/philo/page/add_form.html'
 200         prepopulated_fields = {'slug': ('title',)}
 201         fieldsets = (
 202                 (None, {
 203                         'fields': ('title', 'slug', 'template')
 204                 }),
 205                 ('URL/Tree/Hierarchy', {
 206                         'classes': COLLAPSE_CLASSES,
 207                         'fields': ('parent',)
 208                 }),
 209         )
 210         list_display = ('title', 'path', 'template')
 211         list_filter = ('template',)
 212         search_fields = ['title', 'slug', 'contentlets__content']
 213         form = PageAdminForm
 214
 215         def get_fieldsets(self, request, obj=None, **kwargs):
 216                 fieldsets = list(self.fieldsets)
 217                 if obj: # if no obj, creating a new page, thus no template set, thus no containers
 218                         template = obj.template
 219                         if template.documentation:
 220                                 fieldsets.append(('Template Documentation', {
 221                                         'description': template.documentation
 222                                 }))
 223                         contentlet_containers, contentreference_containers = template.containers
 224                         for container_name in contentlet_containers:
 225                                 fieldsets.append((('Container: %s' % container_name), {
 226                                         'fields': (('contentlet_container_content_%s' % container_name), ('contentlet_container_dynamic_%s' % container_name))
 227                                 }))
 228                         for container_name, container_content_type in contentreference_containers:
 229                                 fieldsets.append((('Container: %s' % container_name), {
 230                                         'fields': (('contentreference_container_%s' % container_name),)
 231                                 }))
 232                 return fieldsets
 233
 234         def get_form(self, request, obj=None, **kwargs):
 235                 form = super(PageAdmin, self).get_form(request, obj, **kwargs)
 236                 if obj: # if no obj, creating a new page, thus no template set, thus no containers
 237                         page = obj
 238                         template = page.template
 239                         contentlet_containers, contentreference_containers = template.containers
 240                         for container_name in contentlet_containers:
 241                                 initial_content = None
 242                                 initial_dynamic = False
 243                                 try:
 244                                         contentlet = page.contentlets.get(name__exact=container_name)
 245                                         initial_content = contentlet.content
 246                                         initial_dynamic = contentlet.dynamic
 247                                 except Contentlet.DoesNotExist:
 248                                         pass
 249                                 form.base_fields[('contentlet_container_content_%s' % container_name)] = forms.CharField(label='Content', widget=forms.Textarea(), initial=initial_content, required=False)
 250                                 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)
 251                         for container_name, container_content_type in contentreference_containers:
 252                                 initial_content = None
 253                                 try:
 254                                         initial_content = page.contentreferences.get(name__exact=container_name, content_type=container_content_type).content.pk
 255                                 except ContentReference.DoesNotExist:
 256                                         pass
 257                                 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())
 258                 return form
 259
 260         def save_model(self, request, page, form, change):
 261                 page.save()
 262                 template = page.template
 263                 contentlet_containers, contentreference_containers = template.containers
 264                 for container_name in contentlet_containers:
 265                         if (('contentlet_container_content_%s' % container_name) in form.cleaned_data) and (('contentlet_container_dynamic_%s' % container_name) in form.cleaned_data):
 266                                 content = form.cleaned_data[('contentlet_container_content_%s' % container_name)]
 267                                 dynamic = form.cleaned_data[('contentlet_container_dynamic_%s' % container_name)]
 268                                 contentlet, created = page.contentlets.get_or_create(name=container_name, defaults={'content': content, 'dynamic': dynamic})
 269                                 if not created:
 270                                         contentlet.content = content
 271                                         contentlet.dynamic = dynamic
 272                                         contentlet.save()
 273                 for container_name, container_content_type in contentreference_containers:
 274                         if ('contentreference_container_%s' % container_name) in form.cleaned_data:
 275                                 content = form.cleaned_data[('contentreference_container_%s' % container_name)]
 276                                 if content == None:
 277                                         continue
 278                                 contentreference, created = page.contentreferences.get_or_create(name=container_name, defaults={'content': content})
 279                                 if not created:
 280                                         contentreference.content = content
 281                                         contentreference.save()
 282
 283
 284 admin.site.register(Collection, CollectionAdmin)
 285 admin.site.register(Redirect, RedirectAdmin)
 286 admin.site.register(File, FileAdmin)
 287 admin.site.register(Page, PageAdmin)
 288 admin.site.register(Template, TemplateAdmin)