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