def delete_symbol(rule, library_rule, gs):
try:
style = Style.objects.get(id=rule.style.id)
if gs.deleteStyle(style.name):
style.delete()
symbolizers = Symbolizer.objects.filter(rule_id=rule.id)
for symbolizer in symbolizers:
if get_ftype(symbolizer) == 'ExternalGraphic':
file_name = rule.name + '.png'
utils.delete_external_graphic_img(library_rule.library,
file_name)
symbolizer.delete()
library_rule.delete()
rule.delete()
except Exception as e:
raise e
def update_symbol(request, json_rule, rule, library_rule):
try:
gs = geographic_servers.get_instance().get_default_server()
name = json_rule.get('name')
title = json_rule.get('title')
#if _valid_title_regex.search(title) == None:
# raise InvalidValue(-1, _("Invalid title: '{value}'. Title should not contain any special characters").format(value=title))
rule.title = title
rule.save()
symbol_type = None
eg_file = None
if 'eg-file' in request.FILES:
file_name = json_rule.get('file_name').split('/')[-1]
eg_file = request.FILES['eg-file']
for s in Symbolizer.objects.filter(rule=rule):
if get_ftype(s) == 'ExternalGraphicSymbolizer':
symbol_type = get_ftype(s)
if eg_file is not None:
utils.delete_external_graphic_img(library_rule.library,
file_name)
s.delete()
for sym in json_rule.get('symbolizers'):
json_sym = json.loads(sym.get('json'))
if json_sym.get('type') == 'ExternalGraphicSymbolizer':
library_path = utils.check_library_path(library_rule.library)
file_name = name + '.png'
if eg_file is not None:
if utils.save_external_graphic(library_path, eg_file,
file_name):
online_resource = utils.get_online_resource(
library_rule.library, file_name)
json_sym['online_resource'] = json_sym[
'online_resource'].replace(
"online_resource_replace", online_resource)
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=json_rule.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
online_resource=json_sym.get('online_resource'),
format=json_sym.get('format'))
symbolizer.save()
if json_sym.get('type') == 'PolygonSymbolizer':
symbolizer = PolygonSymbolizer(
rule=rule,
order=json_sym.get('order'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif json_sym.get('type') == 'LineSymbolizer':
symbolizer = LineSymbolizer(
rule=rule,
order=json_sym.get('order'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif json_sym.get('type') == 'MarkSymbolizer':
symbolizer = MarkSymbolizer(
rule=rule,
order=json_sym.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
well_known_name=json_sym.get('well_known_name'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
style = Style.objects.get(id=rule.style.id)
if gs.deleteStyle(style.name):
sld_body = sld_builder.build_library_symbol(rule)
if not gs.createStyle(style.name, sld_body):
return False
return True
except Exception as e:
raise e