def update_style(request, json_data, layer_id, style_id, is_preview=False):
style = Style.objects.get(id=int(style_id))
layer = Layer.objects.get(id=int(layer_id))
layer_styles = StyleLayer.objects.filter(layer=layer)
style_is_default = False
if not is_preview:
style_is_default = json_data.get('is_default')
if style_is_default:
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
s.is_default = False
s.save()
datastore = layer.datastore
workspace = datastore.workspace
mapservice.setLayerStyle(layer, style.name, style.is_default)
else:
has_default_style = False
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
if s != style and s.is_default:
has_default_style = True
if not has_default_style:
datastore = layer.datastore
workspace = datastore.workspace
style_is_default = True
mapservice.setLayerStyle(layer, style.name, True)
style.title = json_data.get('title')
if json_data.get('minscale') != '':
style.minscale = json_data.get('minscale')
else:
style.minscale = -1
if json_data.get('maxscale') != '':
style.maxscale = json_data.get('maxscale')
else:
style.maxscale = -1
style.is_default = style_is_default
style.save()
rules = Rule.objects.filter(style=style)
for ru in rules:
symbolizers = Symbolizer.objects.filter(rule=ru)
for symbolizer in symbolizers:
symbolizer.delete()
ru.delete()
for r in json_data.get('rules'):
json_rule = r.get('rule')
filter_text = ""
if json_rule.get('filter').__len__() != 0:
filter_text = str(json.dumps(json_rule.get('filter')))
if json_data.get('minscale') != '':
minscale = json_rule.get('minscale')
else:
minscale = -1
if json_data.get('maxscale') != '':
maxscale = json_rule.get('maxscale')
else:
maxscale = -1
rule = Rule(style=style,
name=json_rule.get('name'),
title=json_rule.get('title'),
abstract='',
filter=filter_text,
minscale=minscale,
maxscale=maxscale,
order=json_rule.get('order'))
rule.save()
for sym in r.get('symbolizers'):
if sym.get('type') == 'PolygonSymbolizer':
json_sym = json.loads(sym.get('json'))
symbolizer = PolygonSymbolizer(
rule=rule,
order=int(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 sym.get('type') == 'LineSymbolizer':
json_sym = json.loads(sym.get('json'))
symbolizer = LineSymbolizer(
rule=rule,
order=int(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 sym.get('type') == 'MarkSymbolizer':
json_sym = json.loads(sym.get('json'))
symbolizer = MarkSymbolizer(
rule=rule,
order=int(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()
elif sym.get('type') == 'ExternalGraphicSymbolizer':
json_sym = json.loads(sym.get('json'))
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=int(sym.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()
elif sym.get('type') == 'TextSymbolizer':
json_sym = json.loads(sym.get('json'))
symbolizer = TextSymbolizer(
rule=rule,
order=int(sym.get('order')),
label=json_sym.get('label'),
font_family=json_sym.get('font_family'),
font_size=json_sym.get('font_size'),
font_weight=json_sym.get('font_weight'),
font_style=json_sym.get('font_style'),
halo_fill=json_sym.get('halo_fill'),
halo_fill_opacity=json_sym.get('halo_fill_opacity'),
halo_radius=json_sym.get('halo_radius'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
)
symbolizer.save()
sld_body = sld_builder.build_sld(layer, style)
if is_preview:
if mapservice.createOverwrittenStyle(style.name, sld_body, True):
return True
else:
return False
else:
if mapservice.updateStyle(layer, style.name, sld_body):
mapservice.setLayerStyle(layer, style.name, style.is_default)
return True
else:
return False
def update_style(request,
json_data,
layer_id,
style_id,
is_preview=False,
has_custom_legend=None):
style = Style.objects.get(id=int(style_id))
layer = Layer.objects.get(id=int(layer_id))
layer_styles = StyleLayer.objects.filter(layer=layer)
style_is_default = False
if not is_preview:
style_is_default = json_data.get('is_default')
if style_is_default:
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
s.is_default = False
s.save()
datastore = layer.datastore
workspace = datastore.workspace
mapservice.setLayerStyle(layer, style.name, style.is_default)
else:
has_default_style = False
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
if s != style and s.is_default:
has_default_style = True
if not has_default_style:
datastore = layer.datastore
workspace = datastore.workspace
style_is_default = True
mapservice.setLayerStyle(layer, style.name, True)
if has_custom_legend == 'true':
style.has_custom_legend = True
legend_name = 'legend_' + ''.join(
random.choice(string.ascii_uppercase) for i in range(6)) + '.png'
legend_path = utils.check_custom_legend_path()
if 'file' in request.FILES:
style.custom_legend_url = utils.save_custom_legend(
legend_path, request.FILES['file'], legend_name)
else:
style.has_custom_legend = False
style.title = json_data.get('title')
if json_data.get('minscale') != '':
style.minscale = json_data.get('minscale')
else:
style.minscale = -1
if json_data.get('maxscale') != '':
style.maxscale = json_data.get('maxscale')
else:
style.maxscale = -1
style.is_default = style_is_default
style.save()
json_rule = json_data.get('rule')
filter_text = ""
if json_rule.get('filter').__len__() != 0:
filter_text = str(json.dumps(json_rule.get('filter')))
if json_data.get('minscale') != '':
minscale = json_rule.get('minscale')
else:
minscale = -1
if json_data.get('maxscale') != '':
maxscale = json_rule.get('maxscale')
else:
maxscale = -1
rule_old = Rule.objects.get(style=style)
rule_old.delete()
rule = Rule(style=style,
name=json_rule.get('name'),
title=json_rule.get('title'),
abstract='',
filter=filter_text,
minscale=minscale,
maxscale=maxscale,
order=json_rule.get('order'))
rule.save()
for s in Symbolizer.objects.filter(rule=rule):
s.rastersymbolizer.color_map.delete()
s.delete()
color_map = ColorMap(type='ramp', extended=False)
color_map.save()
symbolizer = RasterSymbolizer(rule=rule,
color_map=color_map,
order=0,
opacity=1.0)
symbolizer.save()
color_map_entry_list = []
for entry in json_data.get('entries'):
json_entry = json.loads(entry.get('json'))
color_map_entry = ColorMapEntry(color_map=color_map,
order=int(json_entry.get('order')),
color=json_entry.get('color'),
quantity=json_entry.get('quantity'),
label=json_entry.get('label'),
opacity=json_entry.get('opacity'))
color_map_entry_list.append(color_map_entry)
order = 0
color_map_entry_list = sorted(
color_map_entry_list,
key=lambda color_map_entry: float(color_map_entry.quantity))
for cme in color_map_entry_list:
cme.order = order
cme.save()
order = order + 1
sld_body = sld_builder.build_sld(layer, style)
if is_preview:
if mapservice.createOverwrittenStyle(style.name, sld_body, True):
return True
else:
return False
else:
if mapservice.updateStyle(layer, style.name, sld_body):
mapservice.setLayerStyle(layer, style.name, style.is_default)
return True
else:
return False
def add_symbol(request, json_rule, library_id, symbol_type):
name = json_rule.get('name')
title = json_rule.get('title')
if _valid_name_regex.search(name) == None:
raise InvalidValue(
-1,
_("Invalid name: '{value}'. Name should not contain any special characters"
).format(value=name))
#if _valid_title_regex.search(title) == None:
# raise InvalidValue(-1, _("Invalid title: '{value}'. Title should not contain any special characters").format(value=title))
style = Style(name=name, title=title, is_default=False, type="US")
style.save()
rule = Rule(style=style,
name=name,
title=title,
abstract="",
filter=str(""),
minscale=json_rule.get('minscale'),
maxscale=json_rule.get('maxscale'),
order=json_rule.get('order'))
rule.save()
library = Library.objects.get(id=int(library_id))
library_rule = LibraryRule(library=library, rule=rule)
library_rule.save()
symbs = json_rule.get('symbolizers')
for sym in symbs:
json_sym = json.loads(sym.get('json'))
if symbol_type == 'ExternalGraphicSymbolizer':
library_path = utils.check_library_path(library)
file_name = name + '.png'
if utils.save_external_graphic(library_path,
request.FILES['eg-file'],
file_name):
online_resource = utils.get_online_resource(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 symbol_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 symbol_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 symbol_type == 'MarkSymbolizer' or symbol_type == 'PointSymbolizer':
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()
sld_body = sld_builder.build_library_symbol(rule)
if mapservice.createStyle(style.name, sld_body):
return True
else:
mapservice.updateStyle(None, style.name, sld_body)
return True