Class: Travlrmap::SinatraApp

Inherits:
Sinatra::Base
  • Object
show all
Defined in:
lib/travlrmap/sinatra_app.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ SinatraApp

Returns a new instance of SinatraApp.



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# File 'lib/travlrmap/sinatra_app.rb', line 3

def initialize(config)
  @config = config
  @config[:sets] ||= {}
  @map = @config[:map]
  @types = @config[:types]
  @sets = @config[:sets] || {}
  @js_map_update = false

  raise "The constant APPROOT should be set in config.ru to the directory your webserver is serving from" unless defined?(APPROOT)
  raise "The directory %s set in APPROOT does not exist" % APPROOT unless File.directory?(APPROOT)

  @map[:map_types] = ["hybrid", "roadmap", "satellite", "terrain", "osm"] unless @map[:map_types]
  @map[:default_map_type] = "roadmap" unless @map[:default_map_type]

  super()
end

Instance Method Details

#kml_style_url(type) ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 64

def kml_style_url(type)
  "travlrmap-%s-style" % type
end

#load_map(set = nil) ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 68

def load_map(set=nil)
  @points = []

  if set
    files = Array(@config[:sets][set][:data])
  else
    files = Array(@config[:map][:data])
  end

  files.each do |map|
    if map.is_a?(Symbol)
      @points.concat(load_map(map))
    else
      point_file = File.join(File.join(APPROOT, "config", map))

      if File.directory?(point_file)
        Dir.entries(point_file).grep(/\.yaml$/).each do |points|
          file = File.join(point_file, points)
          data = YAML.load_file(file)
          @points.concat(data[:points])
        end
      else
        data = YAML.load_file(point_file)
        @points.concat(data[:points])
      end
    end
  end
end

#point_from_json(json) ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 152

def point_from_json(json)
  data = JSON.parse(json)

  point = {}

  ["title", "comment", "country", "date", "href", "linktext", "linkimg", "lon", "lat"].each do |i|
    if data[i].is_a?(String)
      point[i.intern] = data[i] unless data[i].empty?
    else
      point[i.intern] = data[i]
    end
  end

  point[:type] = data["type"].intern

  point
end

#set_map_vars(view, set = nil) ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 97

def set_map_vars(view, set=nil)
  @map_view = @config[:views][view]
  @zoom_control = @map[:zoom_control].nil? ? true : @map[:zoom_control]
  @map_type_control = @map[:map_type_control].nil? ? true : @map[:map_type_control]
  @street_view_control = @map[:street_view_control].nil? ? false : @map[:street_view_control]
  @overview_control = @map[:overview_control].nil? ? false : @map[:overview_control]
  @pan_control = @map[:pan_control].nil? ? true : @map[:pan_control]
  @js_map_update = true
  @active_set = set
end

#to_json ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 108

def to_json
  @points.sort_by{|p| p[:country]}.map do |point|
    point[:popup_html] = erb(:"_point_comment", :layout => false, :locals => {:point => point})
    point[:icon] = @types[ point[:type] ][:icon]
    point
  end.to_json
end

#to_kml ⇒ Object 



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# File 'lib/travlrmap/sinatra_app.rb', line 116

def to_kml
  require 'ruby_kml'

  kml = KMLFile.new
  document = KML::Document.new(:name => "Travlrmap Data")
  folder = KML::Folder.new(:name => "Countries")
  folders = {}

  @types.each do |k, t|
    document.styles << KML::Style.new(
      :id         => kml_style_url(k),
      :icon_style => KML::IconStyle.new(:icon => KML::Icon.new(:href => t[:icon]))
    )
  end

  @points.sort_by{|p| p[:country]}.each do |point|
    unless folders[point[:country]]
      folder.features << folders[point[:country]] = KML::Folder.new(:name => point[:country])
    end

    f = folders[point[:country]]

    f.features << KML::Placemark.new(
      :name        => point[:title],
      :description => erb(:"_point_comment", :layout => false, :locals => {:point => point}),
      :geometry    => KML::Point.new(:coordinates => {:lat => point[:lat], :lng => point[:lon]}),
      :style_url   => "#%s" % kml_style_url(point[:type])
    )
  end

  document.features << folder
  kml.objects << document

  kml.render
end