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