umap/umap/forms.py
Yohan Boniface c5ca7e5d73 Change Map.center.widget SRID to 4326 as it should be
By default, a PointField uses a OpenLayersWidget, which forces the
SRID to 3857 when casting geojson (no idea why, given geojson SRID
is 4326).
2018-09-08 22:42:11 +02:00

88 lines
2.7 KiB
Python

from django import forms
from django.contrib.gis.geos import Point
from django.contrib.auth import get_user_model
from django.utils.translation import ugettext_lazy as _
from django.template.defaultfilters import slugify
from django.conf import settings
from django.forms.utils import ErrorList
from .models import Map, DataLayer
DEFAULT_LATITUDE = settings.LEAFLET_LATITUDE if hasattr(settings, "LEAFLET_LATITUDE") else 51
DEFAULT_LONGITUDE = settings.LEAFLET_LONGITUDE if hasattr(settings, "LEAFLET_LONGITUDE") else 2
DEFAULT_CENTER = Point(DEFAULT_LONGITUDE, DEFAULT_LATITUDE)
User = get_user_model()
class FlatErrorList(ErrorList):
def __unicode__(self):
return self.flat()
def flat(self):
if not self:
return u''
return u''.join([e for e in self])
class UpdateMapPermissionsForm(forms.ModelForm):
class Meta:
model = Map
fields = ('edit_status', 'editors', 'share_status', 'owner')
class AnonymousMapPermissionsForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(AnonymousMapPermissionsForm, self).__init__(*args, **kwargs)
full_secret_link = "%s%s" % (settings.SITE_URL, self.instance.get_anonymous_edit_url())
help_text = _('Secret edit link is %s') % full_secret_link
self.fields['edit_status'].help_text = _(help_text)
STATUS = (
(Map.ANONYMOUS, _('Everyone can edit')),
(Map.OWNER, _('Only editable with secret edit link'))
)
edit_status = forms.ChoiceField(choices=STATUS)
class Meta:
model = Map
fields = ('edit_status', )
class DataLayerForm(forms.ModelForm):
class Meta:
model = DataLayer
fields = ('geojson', 'name', 'display_on_load', 'rank')
class MapSettingsForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(MapSettingsForm, self).__init__(*args, **kwargs)
self.fields['slug'].required = False
self.fields['center'].widget.map_srid = 4326
def clean_slug(self):
slug = self.cleaned_data.get('slug', None)
name = self.cleaned_data.get('name', None)
if not slug and name:
# If name is empty, don't do nothing, validation will raise
# later on the process because name is required
self.cleaned_data['slug'] = slugify(name) or "map"
return self.cleaned_data['slug'][:50]
else:
return ""
def clean_center(self):
if not self.cleaned_data['center']:
point = DEFAULT_CENTER
self.cleaned_data['center'] = point
return self.cleaned_data['center']
class Meta:
fields = ('settings', 'name', 'center', 'slug')
model = Map