Credit OpenStreetMap under ODbL.

- broke map attributions into a partial

app/views/places/_map_attribution.html.haml

@@ -0,0 +1,6 @@
+Map data ©
+= link_to "OpenStreetMap", "http://openstreetmap.org"
+contributors under
+= link_to "ODbL", "http://www.openstreetmap.org/copyright"
+| Imagery ©
+= link_to "CloudMade", "http://cloudmade.com"

app/views/places/index.html.haml

@@ -4,10 +4,11 @@
 
 <script src="/assets/leaflet.js?body=1" type="text/javascript"></script>
 
+- attribution = render(:partial => 'map_attribution').gsub(/\n/, " ")
 :javascript
   map = L.map('map').setView([0.0, -0.0], 2);
   L.tileLayer("http://{s}.tile.cloudmade.com/#{ ENV['CLOUDMADE_KEY'] }/997/256/{z}/{x}/{y}.png", {
-    attribution: 'Map data &copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery &copy; <a href="http://cloudmade.com">CloudMade</a>',
+    attribution: '#{ attribution }',
     maxZoom: 18
   }).addTo(map);
 

app/views/places/show.html.haml

@@ -4,10 +4,11 @@
 
 %div#map{ :style => "height:300px"}
 
+- attribution = render(:partial => 'map_attribution').gsub(/\n/, " ")
 :javascript
   map = L.map('map').setView([#{ @latitude }, #{ @longitude }]).fitBounds([ [#{@sw_lat}, #{@sw_lng}], [#{@ne_lat}, #{@ne_lng}] ]);
   L.tileLayer("http://{s}.tile.cloudmade.com/#{ ENV['CLOUDMADE_KEY'] }/997/256/{z}/{x}/{y}.png", {
-    attribution: 'Map data &copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery &copy; <a href="http://cloudmade.com">CloudMade</a>',
+    attribution: '#{ attribution }',
     maxZoom: 18
   }).addTo(map);
 

spec/views/places/_map_attribution.html.haml_spec.rb

@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe "places/_map_attribution.html.haml", :type => :view do
+  before(:each) do
+    render
+  end
+
+  it "links to OpenStreetMap" do
+    assert_select "a", :href => "http://openstreetmap.org",
+      :text => "OpenStreetMap"
+  end
+
+  it "links to the ODbL" do
+    assert_select "a", :href => "http://www.openstreetmap.org/copyright",
+      :text => "ODbL"
+  end
+
+  it "links to CloudMade" do
+    assert_select "a", :href => "http://cloudmade.com", :text => "CloudMade"
+  end
+end