class AlienActivityForm(forms.Form):
""" Example of olwidget in a custom form. """
incident_name = forms.CharField()
# Old style single field invocation
landings = MapField([EditableLayerField({
'geometry': 'point',
'is_collection': True,
'overlay_style': {
'external_graphic': settings.MEDIA_URL+"alien.png",
'graphic_width': 21,
'graphic_height': 25,
},
'name': 'Landings',
})])
# Define a map to edit two geometry fields
other_stuff = MapField([
EditableLayerField({'geometry': ['point', 'linestring', 'polygon'],
'is_collection': True, 'name': "Strange lights",
'overlay_style': {
'fill_color': '#FFFF00',
'stroke_color': '#FFFF00',
'stroke_width': 6,
}
}),
EditableLayerField({'geometry': 'linestring',
'is_collection': True, 'name': "Chemtrails",
'overlay_style': {
'fill_color': '#ffffff',
'stroke_color': '#ffffff',
'stroke_width': 6,
},
}),
])
class RequirednessForm(forms.Form):
optional = MapField(
fields=[EditableLayerField(required=False, options={
'geometry': 'point',
'name': 'optional',
})],
options={
'overlay_style': {'fill_color': '#00ff00'},
})
required = MapField(
fields=[EditableLayerField(required=True, options={
'geometry': 'point',
'name': 'required',
})],
options={
'overlay_style': {'fill_color': '#00ff00'},
})
unspecified = MapField(
fields=[EditableLayerField({
'geometry': 'point',
'name': 'unspecified',
})],
options={
'overlay_style': {'fill_color': '#00ff00'},
})
class MyInfoModelForm(MapModelForm):
start = MapField([
EditableLayerField({'name': 'start'}),
InfoLayerField([[Point(0, 0, srid=4326), "Of interest"]]),
])
class Meta:
model = MyModel
class TestAdminForm(forms.ModelForm):
boundary = MapField([
EditableLayerField({'geometry': 'polygon', 'name': 'boundary', 'is_collection': True}),
InfoLayerField([["SRID=4326;POINT (0 0)", "Of Interest"]], {"name": "Test"}),
], { 'overlay_style': { 'fill_color': '#00ff00' }},
template="olwidget/admin_olwidget.html")
def clean(self):
self.cleaned_data['boundary'] = self.cleaned_data['boundary'][0]
return self.cleaned_data
class Meta:
model = Country
class MixedForm(forms.Form):
capitals = MapField([
InfoLayerField([[c.boundary, c.about] for c in Country.objects.all()],
{
'overlay_style': {
'fill_opacity': 0,
'stroke_color': "white",
'stroke_width': 6,
},
'name': "Country boundaries",
}),
EditableLayerField({
'geometry': 'point',
'name': "Country capitals",
'is_collection': True,
}),
], {'layers': ['google.satellite']})
class PolySearchForm(forms.Form):
poly = MapField(
fields=[
EditableLayerField({
'geometry': 'polygon',
'name': _('polygon')
}),
],
options={
"default_lat": 41.6,
"default_lon": 22,
"default_zoom": 8,
"map_div_style": {
"width": "600px",
"height": "300px",
}
},
label="",
required=False,
)
class MyMultiForm(forms.Form):
mymap = MapField((
EditableLayerField({'name': 'Fun'}),
InfoLayerField([[Point(0, 0, srid=4326), "that"]]),
EditableLayerField(),
))
class MixedForm(forms.Form):
stuff = MapField([
InfoLayerField([["SRID=4326;POINT(0 0)", "Origin"]]),
EditableLayerField({'geometry': 'point'}),
])
def apply_maps_to_modelform_fields(fields,
maps,
default_options=None,
default_template=None):
"""
Rearranges fields to match those defined in ``maps``. ``maps`` is a list
of [field_list, options_dict] pairs. For each pair, a new map field is
created that contans all the fields in ``field_list``.
"""
map_field_names = (name for name, field in fields.iteritems()
if isinstance(field, (MapField, GeometryField)))
if not maps:
maps = [((name, ), ) for name in map_field_names]
elif isinstance(maps, dict):
maps = [[tuple(map_field_names), maps]]
default_options = utils.get_options(default_options)
initial_data_keymap = {}
for map_definition in maps:
field_list = map_definition[0]
if len(map_definition) > 1:
options = map_definition[1]
else:
options = {}
if len(map_definition) > 2:
template = map_definition[2]
else:
template = default_template
map_name = "_".join(field_list)
layer_fields = []
names = []
min_pos = 65535 # arbitrarily high number for field ordering
initial = []
for field_name in field_list:
min_pos = min(min_pos, fields.keyOrder.index(field_name))
field = fields.pop(field_name)
initial.append(field_name)
if not isinstance(field.widget, (Map, BaseVectorLayer)):
field.widget = EditableLayer(
options=utils.options_for_field(field))
layer_fields.append(field)
names.append(field_name)
if isinstance(field, MapField):
map_field = field
else:
map_opts = {}
map_opts.update(default_options)
map_opts.update(options or {})
map_field = MapField(layer_fields,
map_opts,
layer_names=names,
label=", ".join(
forms.forms.pretty_name(f)
for f in field_list),
template=template)
fields.insert(min_pos, map_name, map_field)
initial_data_keymap[map_name] = initial
return initial_data_keymap
