Class: Travlrmap::Points

Inherits:
Object
  • Object
show all
Defined in:
lib/travlrmap/points.rb

Instance Method Summary collapse

Constructor Details

#initialize(types, sets, map) ⇒ Points

Returns a new instance of Points.



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

def initialize(types, sets, map)
  @types = types
  @sets = sets
  @map = map

  reset
end

Instance Method Details

#<<(point) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 37

def <<(point)
  raise("Can only store instances of Point") unless point.is_a?(Point)

  @points << point
end

#by_country ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 47

def by_country
  @points.sort_by do |point|
    point[:country]
  end
end

#countries ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 65

def countries
  @points.map do |point|
    point[:country]
  end.compact.sort.uniq
end

#each ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 59

def each
  by_country.each do |point|
    yield(point)
  end
end

#files_for_set(set) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 139

def files_for_set(set)
  return Array(@sets[set][:data]) if set
  return Array(@map[:data])
end

#find_title(title) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 15

def find_title(title)
  @points.find_index do |point|
    point[:title] == title
  end
end

#has_title?(title) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travlrmap/points.rb', line 11

def has_title?(title)
  !!find_title(title)
end

#load_directory(directory) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 154

def load_directory(directory)
  Dir.entries(directory).grep(/\.yaml$/).each do |points|
    points_from_data(load_file(File.join(directory, points)))
  end
end

#load_file(file) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 160

def load_file(file)
  YAML.load_file(file)
end

#load_points(set = nil) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 121

def load_points(set=nil)
  reset

  files_for_set(set).each do |file|
    if file.is_a?(Symbol)
      self.load_points(file)
    else
      file = point_file(file)

      if File.directory?(file)
        load_directory(file)
      else
        load_points_from_file(file)
      end
    end
  end
end

#load_points_from_file(file) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 117

def load_points_from_file(file)
  points_from_data(load_file(file))
end

#map ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 53

def map
  by_country.map do |point|
    yield(point)
  end
end

#point_file(file) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 144

def point_file(file)
  File.join(File.join(APPROOT, "config", file))
end

#points_from_data(data) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 148

def points_from_data(data)
  data[:points].each do |point|
    @points << Point.new(point, @types)
  end
end

#replace!(title, point) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 21

def replace!(title, point)
  raise("Can only store instances of Point") unless point.is_a?(Point)

  if idx = find_title(title)
    @points[idx] = point
  else
    raise("No point with title %s to replace" % title)
  end
end

#reset ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 43

def reset
  @points = []
end

#save_to_file(file) ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 31

def save_to_file(file)
  File.open(file, "w") do |f|
    f.puts YAML.dump(:points => @points.map{|p| p.to_hash})
  end
end

#size ⇒ Object Also known as: count 



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# File 'lib/travlrmap/points.rb', line 71

def size
  @points.size
end

#to_json ⇒ Object 



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

def to_json
  @points.map do |point|
    temp = point.to_hash
    temp[:popup_html] = point.to_html
    temp[:icon] = point.type[:icon]
    temp
  end.to_json
end

#to_kml ⇒ Object 



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# File 'lib/travlrmap/points.rb', line 77

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         => Util.kml_style_url(k, :type),
      :icon_style => KML::IconStyle.new(:icon => KML::Icon.new(:href => t[:icon]))
    )
  end

  self.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 << point.to_placemark
  end

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

  kml.render
end