98 lines
3.7 KiB
Python
98 lines
3.7 KiB
Python
# combo - content management system
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# Copyright (C) 2017 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from django import forms
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from django.utils.encoding import force_text
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from django.utils.text import slugify
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from django.utils.translation import ugettext_lazy as _
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from combo.data.fields import TemplatableURLField
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from .models import MapLayer, MapLayerOptions
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class IconRadioSelect(forms.RadioSelect):
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option_template_name = 'maps/icon_radio_option.html'
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class MapLayerForm(forms.ModelForm):
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geojson_url = TemplatableURLField(label=_('Geojson URL'))
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class Meta:
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model = MapLayer
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exclude = ('kind',)
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widgets = {
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'marker_colour': forms.TextInput(attrs={'type': 'color'}),
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'icon_colour': forms.TextInput(attrs={'type': 'color'}),
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}
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def __init__(self, *args, **kwargs):
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super(MapLayerForm, self).__init__(*args, **kwargs)
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if self.instance.pk is None:
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# new instance, delete some fields
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del self.fields['slug']
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del self.fields['cache_duration']
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del self.fields['include_user_identifier']
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else:
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# new widget for icon field
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self.fields['icon'].widget = IconRadioSelect()
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self.fields['icon'].choices = list(
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sorted(self.fields['icon'].choices, key=lambda x: slugify(force_text(x[1]))))
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if self.instance.kind == 'geojson':
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todelete_fields = ['tiles_template_url', 'tiles_attribution', 'tiles_default']
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else:
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todelete_fields = [
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'geojson_url', 'marker_colour', 'icon', 'icon_colour', 'cache_duration',
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'include_user_identifier', 'properties']
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for field in todelete_fields:
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if field in self.fields:
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del self.fields[field]
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def clean(self):
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cleaned_data = super(MapLayerForm, self).clean()
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if self.instance.kind == 'tiles':
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if MapLayer.objects.filter(kind='tiles', tiles_default=True).exclude(pk=self.instance.pk):
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raise forms.ValidationError(_('Only one default tiles layer can be defined.'))
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return cleaned_data
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class MapLayerOptionsForm(forms.ModelForm):
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class Meta:
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model = MapLayerOptions
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fields = ['map_layer', 'opacity']
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widgets = {
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'opacity': forms.NumberInput(attrs={'step': 0.1, 'min': 0, 'max': 1})
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}
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def __init__(self, *args, **kwargs):
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self.kind = kwargs.pop('kind')
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super(MapLayerOptionsForm, self).__init__(*args, **kwargs)
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# if edition, no possibility to change the layer
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if self.instance.pk:
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del self.fields['map_layer']
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else:
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if self.kind == 'geojson':
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self.fields['map_layer'].queryset = self.instance.map_cell.get_free_geojson_layers()
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else:
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self.fields['map_layer'].queryset = self.instance.map_cell.get_free_tiles_layers()
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# init opacity field only for tiles layers
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if self.kind == 'geojson':
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del self.fields['opacity']
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else:
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self.fields['opacity'].required = True
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self.fields['opacity'].initial = 1
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