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