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