111 lines
4.3 KiB
Python
111 lines
4.3 KiB
Python
from django.db import models
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from django import forms
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from django.utils.safestring import mark_safe
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from django.utils.translation import ugettext as _
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from django.forms.models import modelform_factory
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import copy
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from xadmin.sites import site
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from xadmin.util import get_model_from_relation, vendor
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from xadmin.views import BaseAdminPlugin, ModelFormAdminView
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from xadmin.layout import Layout
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class QuickFormPlugin(BaseAdminPlugin):
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def init_request(self, *args, **kwargs):
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if self.request.method == 'GET' and self.request.is_ajax() or self.request.GET.get('_ajax'):
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self.admin_view.add_form_template = 'xadmin/views/quick_form.html'
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self.admin_view.change_form_template = 'xadmin/views/quick_form.html'
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return True
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return False
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def get_model_form(self, __, **kwargs):
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if '_field' in self.request.GET:
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defaults = {
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"form": self.admin_view.form,
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"fields": self.request.GET['_field'].split(','),
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"formfield_callback": self.admin_view.formfield_for_dbfield,
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}
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return modelform_factory(self.model, **defaults)
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return __()
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def get_form_layout(self, __):
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if '_field' in self.request.GET:
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return Layout(*self.request.GET['_field'].split(','))
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return __()
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def get_context(self, context):
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context['form_url'] = self.request.path
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return context
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class RelatedFieldWidgetWrapper(forms.Widget):
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"""
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This class is a wrapper to a given widget to add the add icon for the
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admin interface.
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"""
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def __init__(self, widget, rel, add_url, rel_add_url):
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self.needs_multipart_form = widget.needs_multipart_form
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self.attrs = widget.attrs
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self.choices = widget.choices
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self.is_required = widget.is_required
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self.widget = widget
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self.rel = rel
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self.add_url = add_url
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self.rel_add_url = rel_add_url
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if hasattr(self, 'input_type'):
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self.input_type = widget.input_type
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def __deepcopy__(self, memo):
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obj = copy.copy(self)
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obj.widget = copy.deepcopy(self.widget, memo)
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obj.attrs = self.widget.attrs
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memo[id(self)] = obj
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return obj
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@property
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def media(self):
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media = self.widget.media + vendor('xadmin.plugin.quick-form.js')
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return media
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def render(self, name, value, renderer=None, *args, **kwargs):
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self.widget.choices = self.choices
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output = []
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if self.add_url:
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output.append(u'<a href="%s" title="%s" class="btn btn-primary btn-sm btn-ajax pull-right" data-for-id="id_%s" data-refresh-url="%s"><i class="fa fa-plus"></i></a>'
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% (
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self.add_url, (_('Create New %s') % self.rel.model._meta.verbose_name), name,
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"%s?_field=%s&%s=" % (self.rel_add_url, name, name)))
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output.extend(['<div class="control-wrap" id="id_%s_wrap_container">' % name,
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self.widget.render(name, value, *args, **kwargs), '</div>'])
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return mark_safe(u''.join(output))
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def build_attrs(self, extra_attrs=None, **kwargs):
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"Helper function for building an attribute dictionary."
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self.attrs = self.widget.build_attrs(extra_attrs=None, **kwargs)
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return self.attrs
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def value_from_datadict(self, data, files, name):
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return self.widget.value_from_datadict(data, files, name)
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def id_for_label(self, id_):
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return self.widget.id_for_label(id_)
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class QuickAddBtnPlugin(BaseAdminPlugin):
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def formfield_for_dbfield(self, formfield, db_field, **kwargs):
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if formfield and self.model in self.admin_site._registry and isinstance(db_field, (models.ForeignKey, models.ManyToManyField)):
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rel_model = get_model_from_relation(db_field)
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if rel_model in self.admin_site._registry and self.has_model_perm(rel_model, 'add'):
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add_url = self.get_model_url(rel_model, 'add')
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formfield.widget = RelatedFieldWidgetWrapper(
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formfield.widget, db_field.remote_field, add_url, self.get_model_url(self.model, 'add'))
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return formfield
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site.register_plugin(QuickFormPlugin, ModelFormAdminView)
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site.register_plugin(QuickAddBtnPlugin, ModelFormAdminView)
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