module GoogleStaticMapsHelper

The Google Static Map Helper provides a simple interface to the Google Static Maps V2 API (code.google.com/apis/maps/documentation/staticmaps/).

The module is build up of classes maping more or less directly to the entities you'd except:

Map: A map is what keeps all of the state of which you'll build a URL for.
Marker: One or more markers can be added to the map. A marker can be customized with size, label and color.
Path: A path will create lines or polygons in your map.

About¶ ↑

Author: Thorbjørn Hermansen (thhermansen@gmail.com)

Constants

API_URL: The basic url to the API which we'll build the URL from
VERSION

Attributes

key[RW]

sensor[RW]

size[RW]

Public Class Methods

url_for(map_options = {}, &block) click to toggle source

Provides a simple DSL stripping away the need of manually instantiating classes

Usage:

# First of all, you might want to set your key etc
GoogleStaticMapsHelper.key = 'your google key'
GoogleStaticMapsHelper.size = '300x600'
GoogleStaticMapsHelper.sensor = false

# Then, you'll be able to do:
url = GoogleStaticMapsHelper.url_for do
  marker :lng => 1, :lat => 2
  marker :lng => 3, :lat => 4
  path {:lng => 5, :lat => 6}, {:lng => 7, :lat => 7}
end

# You can send in key, size etc to url_for
url = GoogleStaticMapsHelper.url_for(:key => 'your_key', :size => [300, 600]) do
  # ...
end

# If you need to, the map object is yielded to the block, so you can do:
url = GoogleStaticMapsHelper.url_for do |map|
  map.marker object_which_responds_to_lng_lat
end

# File lib/google_static_maps_helper.rb, line 61
def url_for(map_options = {}, &block)
  map = Map.new(map_options)
  block.arity < 1 ? map.instance_eval(&block) : block.call(map)
  map.url
end