Class: Wms

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Validations
Defined in:
app/models/wms.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Wms

Returns a new instance of Wms.



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# File 'app/models/wms.rb', line 8

def initialize(name)
  @name = name
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'app/models/wms.rb', line 6

def name
  @name
end

Class Method Details

.access_filters(ability, user, topic_name, layers) ⇒ Object 



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# File 'app/models/wms.rb', line 44

def self.access_filters(ability, user, topic_name, layers)
  access_filters = {}
  unless topic_name.blank?
    layers.each do |layer|
      access_filter = ability.access_filter("WMS", topic_name, layer)
      unless access_filter.nil?
        access_filter.each do |key, value|
          access_filter[key] = AccessFilter.user_value(user, value)
        end
        access_filters.merge!(access_filter)
      end
    end
  end
  access_filters
end

.sld_selection(layer, filter_property, filter_values) ⇒ Object

return SLD for selection



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# File 'app/models/wms.rb', line 13

def self.sld_selection(layer, filter_property, filter_values)
  sld = '<StyledLayerDescriptor xmlns="http://www.opengis.net/sld" version="1.0.0" xmlns:ogc="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml">'
  sld <<  "<NamedLayer>"
  sld <<    "<Name>#{layer.name}</Name>"
  sld <<    "<UserStyle>"
  sld <<      "<Name>default</Name>"
  sld <<      "<FeatureTypeStyle>"
  sld <<        "<Rule>"
  sld <<          "<Name>show-selection</Name>"
  sld <<          '<ogc:Filter>'
  sld <<            '<ogc:Or>' if filter_values.size > 1
  filter_values.each do |value|
    sld <<          "<ogc:PropertyIsEqualTo>"
    sld <<            "<ogc:PropertyName>#{filter_property}</ogc:PropertyName>"
    sld <<            "<ogc:Literal>#{value}</ogc:Literal>"
    sld <<          "</ogc:PropertyIsEqualTo>"
  end
  sld <<          '</ogc:Or>' if filter_values.size > 1
  sld <<          "</ogc:Filter>"
  sld << layer.selection_symbolizer
  sld <<          "<MinScaleDenominator>0</MinScaleDenominator>"
  sld <<          "<MaxScaleDenominator>999999999</MaxScaleDenominator>"
  sld <<        "</Rule>"
  sld <<      "</FeatureTypeStyle>"
  sld <<    "</UserStyle>"
  sld <<  "</NamedLayer>"
  sld << "</StyledLayerDescriptor>"

  sld
end