Some fixes for MDID3's storage/admin page

storage_admin.py

from django.contrib import admin
from models import Storage, Media, ProxyUrl, TrustedSubnet


class StorageAdmin(admin.ModelAdmin):
    list_display = ('title', 'name', 'system', 'base', 'urlbase')

    # http://stackoverflow.com/questions/9563935/removing-buttons-links-in-django-admin

    def get_actions(self, request):
        actions = super(admin.ModelAdmin, self).get_actions(request)
        if 'delete_selected' in actions:
            del actions['delete_selected']
        return actions

    def has_delete_permission(self, request, obj=None):
        return False


class MediaAdmin(admin.ModelAdmin):
    list_display = ('name', 'record', 'url', 'storage', 'mimetype', 'width', 'height', 'master')
    raw_id_fields = ('record', )
    search_fields = ['name', 'url']


class ProxyUrlAdmin(admin.ModelAdmin):
    list_display = ('uuid', 'subnet', 'url', 'user', 'user_backend', 'last_access')


class TrustedSubnetAdmin(admin.ModelAdmin):
    pass


admin.site.register(Storage, StorageAdmin)
admin.site.register(Media, MediaAdmin)
admin.site.register(ProxyUrl, ProxyUrlAdmin)
admin.site.register(TrustedSubnet, TrustedSubnetAdmin)