def create_style(request, json_data, layer_id, is_preview=False):
layer = Layer.objects.get(id=int(layer_id))
datastore = layer.datastore
workspace = datastore.workspace
layer_styles = StyleLayer.objects.filter(layer=layer)
is_default = False
if not is_preview:
is_default = json_data.get('is_default')
if is_default:
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
s.is_default = False
s.save()
else:
has_default_style = False
for ls in layer_styles:
s = Style.objects.get(id=ls.style.id)
if s.is_default:
has_default_style = True
if not has_default_style:
is_default = True
name = json_data.get('name')
if is_preview:
name = name + '__tmp'
is_default = False
style = Style(name=name,
title=json_data.get('title'),
is_default=is_default,
type='UV')
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.save()
style_layer = StyleLayer(style=style, layer=layer)
style_layer.save()
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')))
rule = Rule(style=style,
name=json_rule.get('name'),
title=json_rule.get('title'),
abstract='',
filter=filter_text,
minscale=json_rule.get('minscale'),
maxscale=json_rule.get('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.createStyle(style.name, sld_body):
if not is_preview:
mapservice.setLayerStyle(layer, style.name, style.is_default)
return True
else:
return False
def upload_library(name, description, file):
library = Library(name=name, description=description)
library.save()
library_path = utils.check_library_path(library)
file_path = utils.__get_uncompressed_file_upload_path(file)
utils.copyrecursively(file_path + "/resources/", library_path)
file_list = os.listdir(file_path)
for file in file_list:
if not os.path.isdir(file_path + "/" + file):
f = open(file_path + "/" + file, 'r')
sld = sld_reader.parse(f)
style_name = remove_accents(sld.NamedLayer[0].Name)
sld.NamedLayer[0].Name = style_name
style_title = sld.NamedLayer[0].UserStyle[0].FeatureTypeStyle[
0].Rule[0].Title
r = sld.NamedLayer[0].UserStyle[0].FeatureTypeStyle[0].Rule[0]
style = Style(name=style_name,
title=style_title,
is_default=True,
type="US")
style.save()
rule = Rule(style=style,
name=style_name,
title=style_title,
abstract='',
filter=str(""),
minscale=-1 if r.MinScaleDenominator is None else
r.MinScaleDenominator,
maxscale=-1 if r.MaxScaleDenominator is None else
r.MaxScaleDenominator,
order=0)
rule.save()
library_rule = LibraryRule(library=library, rule=rule)
library_rule.save()
scount = r.Symbolizer.__len__() - 1
for s in r.Symbolizer:
if s.original_tagname_ == 'PointSymbolizer':
opacity = s.Graphic.Opacity.valueOf_
rotation = s.Graphic.Rotation.valueOf_
size = s.Graphic.Size.valueOf_
if len(s.Graphic.Mark) >= 1:
mark = s.Graphic.Mark[0]
stroke = '#000000'
if mark.Stroke.CssParameter.__len__() > 0:
stroke = mark.Stroke.CssParameter[0].valueOf_
stroke_width = 1
if mark.Stroke.CssParameter.__len__() > 1:
stroke_width = mark.Stroke.CssParameter[1].valueOf_
stroke_opacity = 1
if mark.Stroke.CssParameter.__len__() > 2:
stroke_opacity = mark.Stroke.CssParameter[
2].valueOf_
stroke_dash_array = 'none'
if mark.Stroke.CssParameter.__len__() > 3:
stroke_dash_array = mark.Stroke.CssParameter[
3].valueOf_
symbolizer = MarkSymbolizer(
rule=rule,
order=scount,
opacity=opacity,
size=size,
rotation=rotation,
well_known_name=mark.WellKnownName,
fill=mark.Fill.CssParameter[0].valueOf_,
fill_opacity=mark.Fill.CssParameter[1].valueOf_,
stroke=stroke,
stroke_width=stroke_width,
stroke_opacity=stroke_opacity,
stroke_dash_array=stroke_dash_array)
symbolizer.save()
if len(s.Graphic.ExternalGraphic) >= 1:
external_graphic = s.Graphic.ExternalGraphic[0]
online_resource = external_graphic.OnlineResource.href.split(
'/')
online_resource[-2] = library.name
new_online_resource = settings.MEDIA_URL + online_resource[
-3] + '/' + library.name + '/' + remove_accents(
online_resource[-1])
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=scount,
opacity=opacity,
size=size,
rotation=rotation,
online_resource=new_online_resource,
format=external_graphic.Format)
symbolizer.save()
elif s.original_tagname_ == 'LineSymbolizer':
stroke = '#000000'
if s.Stroke:
if s.Stroke.CssParameter.__len__() > 0:
stroke = s.Stroke.CssParameter[0].valueOf_
stroke_width = 1
if s.Stroke.CssParameter.__len__() > 1:
stroke_width = s.Stroke.CssParameter[1].valueOf_
stroke_opacity = 1
if s.Stroke.CssParameter.__len__() > 2:
stroke_opacity = s.Stroke.CssParameter[2].valueOf_
stroke_dash_array = 'none'
if s.Stroke.CssParameter.__len__() > 3:
stroke_dash_array = s.Stroke.CssParameter[
3].valueOf_
symbolizer = LineSymbolizer(
rule=rule,
order=scount,
stroke=stroke,
stroke_width=stroke_width,
stroke_opacity=stroke_opacity,
stroke_dash_array=stroke_dash_array)
symbolizer.save()
elif s.original_tagname_ == 'PolygonSymbolizer':
stroke = '#000000'
if s.Stroke.CssParameter.__len__() > 0:
stroke = s.Stroke.CssParameter[0].valueOf_
stroke_width = 1
if s.Stroke.CssParameter.__len__() > 1:
stroke_width = s.Stroke.CssParameter[1].valueOf_
stroke_opacity = 1
if s.Stroke.CssParameter.__len__() > 2:
stroke_opacity = s.Stroke.CssParameter[2].valueOf_
stroke_dash_array = 'none'
if s.Stroke.CssParameter.__len__() > 3:
stroke_dash_array = s.Stroke.CssParameter[3].valueOf_
symbolizer = PolygonSymbolizer(
rule=rule,
order=scount,
fill=s.Fill.CssParameter[0].valueOf_,
fill_opacity=s.Fill.CssParameter[1].valueOf_,
stroke=stroke,
stroke_width=stroke_width,
stroke_opacity=stroke_opacity,
stroke_dash_array=stroke_dash_array)
symbolizer.save()
scount -= 1
output = StringIO.StringIO()
sld.export(output, 0)
sld_body = output.getvalue()
output.close()
mapservice.createStyle(style.name, sld_body)
mapservice.reload_nodes()
utils.__delete_temporaries(file_path)
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
def update_symbol(request, json_rule, rule, library_rule):
try:
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 mapservice.deleteStyle(style.name):
sld_body = sld_builder.build_library_symbol(rule)
if not mapservice.createStyle(style.name, sld_body):
return False
return True
except Exception as e:
raise e