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