128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
from functools import update_wrapper
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from django.conf import settings
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from django.contrib import admin
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from django.core.urlresolvers import reverse
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from django.db import models
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from django.shortcuts import redirect
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from django.utils import importlib
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from django.utils.html import escape
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext_lazy as _
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from orchestra.models.utils import get_field_value
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from orchestra.utils.humanize import naturaldate
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from .decorators import admin_field
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def get_modeladmin(model, import_module=True):
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""" returns the modeladmin registred for model """
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for k,v in admin.site._registry.iteritems():
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if k is model:
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return v
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if import_module:
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# Sometimes the admin module is not yet imported
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app_label = model._meta.app_label
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for app in settings.INSTALLED_APPS:
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if app.endswith(app_label):
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app_label = app
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importlib.import_module('%s.%s' % (app_label, 'admin'))
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return get_modeladmin(model, import_module=False)
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def insertattr(model, name, value, weight=0):
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""" Inserts attribute to a modeladmin """
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modeladmin = model
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if models.Model in model.__mro__:
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modeladmin = type(get_modeladmin(model))
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# Avoid inlines defined on parent class be shared between subclasses
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# Seems that if we use tuples they are lost in some conditions like changing
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# the tuple in modeladmin.__init__
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if not getattr(modeladmin, name):
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setattr(type(modeladmin), name, [])
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inserted_attrs = getattr(modeladmin, '__inserted_attrs__', {})
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if not name in inserted_attrs:
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weights = {}
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if hasattr(modeladmin, 'weights') and name in modeladmin.weights:
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weights = modeladmin.weights.get(name)
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inserted_attrs[name] = [
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(attr, weights.get(attr, 0)) for attr in getattr(modeladmin, name)
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]
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inserted_attrs[name].append((value, weight))
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inserted_attrs[name].sort(key=lambda a: a[1])
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setattr(modeladmin, name, [ attr[0] for attr in inserted_attrs[name] ])
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setattr(modeladmin, '__inserted_attrs__', inserted_attrs)
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def wrap_admin_view(modeladmin, view):
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""" Add admin authentication to view """
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def wrapper(*args, **kwargs):
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return modeladmin.admin_site.admin_view(view)(*args, **kwargs)
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return update_wrapper(wrapper, view)
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def set_url_query(request, key, value):
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""" set default filters for changelist_view """
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if key not in request.GET:
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request_copy = request.GET.copy()
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if callable(value):
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value = value(request)
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request_copy[key] = value
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request.GET = request_copy
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request.META['QUERY_STRING'] = request.GET.urlencode()
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def action_to_view(action, modeladmin):
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""" Converts modeladmin action to view function """
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def action_view(request, object_id=1, modeladmin=modeladmin, action=action):
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queryset = modeladmin.model.objects.filter(pk=object_id)
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response = action(modeladmin, request, queryset)
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if not response:
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opts = modeladmin.model._meta
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url = 'admin:%s_%s_change' % (opts.app_label, opts.module_name)
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return redirect(url, object_id)
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return response
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return action_view
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@admin_field
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def admin_link(*args, **kwargs):
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instance = args[-1]
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obj = get_field_value(instance, kwargs['field'])
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if not getattr(obj, 'pk', None):
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return '---'
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opts = obj._meta
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view_name = 'admin:%s_%s_change' % (opts.app_label, opts.model_name)
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url = reverse(view_name, args=(obj.pk,))
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extra = ''
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if kwargs['popup']:
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extra = 'onclick="return showAddAnotherPopup(this);"'
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return '<a href="%s" %s>%s</a>' % (url, extra, obj)
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@admin_field
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def admin_colored(*args, **kwargs):
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instance = args[-1]
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field = kwargs['field']
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value = escape(get_field_value(instance, field))
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color = kwargs.get('colors', {}).get(value, 'black')
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value = getattr(instance, 'get_%s_display' % field)().upper()
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colored_value = '<span style="color: %s;">%s</span>' % (color, value)
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if kwargs.get('bold', True):
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colored_value = '<b>%s</b>' % colored_value
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return mark_safe(colored_value)
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@admin_field
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def admin_date(*args, **kwargs):
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instance = args[-1]
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value = get_field_value(instance, kwargs['field'])
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if not value:
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return kwargs.get('default', '')
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return '<span title="{0}">{1}</span>'.format(
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escape(str(value)), escape(naturaldate(value)),
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)
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