def add_symbol(request, json_rule, library_id, symbol_type): gs = geographic_servers.get_instance().get_default_server() 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 gs.createStyle(style.name, sld_body): return True else: gs.updateStyle(None, style.name, sld_body) return True
def upload_library(name, description, file): gs = geographic_servers.get_instance().get_default_server() 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() gs.createStyle(style.name, sld_body) gs.reload_nodes() utils.__delete_temporaries(file_path)