spejstore/storage/widgets.py

66 lines
2.2 KiB
Python

from pkg_resources import parse_version
from django_select2.forms import HeavySelect2Widget
from django import get_version
from django.urls import reverse
from django.conf import settings
from django import forms
from django.utils.safestring import mark_safe
from django.template import Context
from django.template.loader import get_template
from django.contrib.admin.widgets import AdminTextareaWidget
from django_admin_hstore_widget.forms import HStoreFormWidget
from django.contrib.postgres.forms import forms
from django.templatetags.static import static
class PropsSelectWidget(HStoreFormWidget):
@property
def media(self):
internal_js = [
"vendor/jquery/jquery.js",
"django_admin_hstore_widget/underscore-min.js",
"django_admin_hstore_widget/django_admin_hstore_widget.js",
]
js = [static("admin/js/%s" % path) for path in internal_js]
return forms.Media(js=js)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def render(self, name, value, attrs=None, renderer=None):
if attrs is None:
attrs = {}
# it's called "original" because it will be replaced by a copy
attrs["class"] = "hstore-original-textarea"
w = HeavySelect2Widget(
data_view="prop-complete", attrs={"data-tags": "true", "class": "hs-key"}
)
# get default HTML from AdminTextareaWidget
html = AdminTextareaWidget.render(self, name, value, attrs, renderer)
# prepare template context
template_context = {
"field_name": name,
"STATIC_URL": settings.STATIC_URL,
"use_svg": parse_version(get_version())
>= parse_version("1.9"), # use svg icons if django >= 1.9
"ajax_url": reverse("prop-complete"),
"w": w.build_attrs(base_attrs=w.attrs),
}
# get template object
template = get_template("hstore_default_widget.html")
# render additional html
additional_html = template.render(template_context)
# append additional HTML and mark as safe
html = html + additional_html
html = mark_safe(html)
return html