Added an url field for photo which, if specified, will be used for the link_to...

Added an url field for photo which, if specified, will be used for the link_to call. Thus we can now statically link an image to a specific url, eg. picture links to blog entry.

app/models/refinery/photo_gallery/photo.rb

@@ -5,7 +5,7 @@ module Refinery
 
       mount_uploader :file, Refinery::PhotoGallery::Admin::FileUploader
       acts_as_indexed :fields => [:title, :description]
-      attr_accessible :album_id, :title, :description, :longitude, :latitude
+      attr_accessible :album_id, :title, :description, :longitude, :latitude, :url
       validates :title, :presence => true
       #TODO validate latitude/longitude - convert from nondecimal to decimal using inspiration from https://github.com/airblade/geo_tools/tree/master/lib/geo_tools
 
@@ -20,6 +20,10 @@ module Refinery
         "#{id}-#{title.parameterize}"
       end
 
+      def link_url
+        self.url.blank? ? file.single.url : self.url
+      end
+
       private
 
       def set_title

app/views/refinery/photo_gallery/admin/photos/_form_fields.html.erb

@@ -15,6 +15,11 @@
           <%= p.text_area :description, :rows => "5", :cols=> "57" %>
         </div>
 
+        <div class='field'>
+          <%= p.label :url %>
+          <%= p.text_field :url, :class => "larger" %>
+        </div>
+
         <div class='field-group'>
             <%= p.label :longitude, :tooltip=> t('.use_decimal_format') %>
             <%= p.text_field :longitude, :size=> 13 %>

app/views/refinery/photo_gallery/albums/_photos.html.erb

@@ -6,7 +6,7 @@
 <ul id="gallery" class="clearfix">
   <% photos_for_page.each_with_index do |photo, index|  %>
       <li>
-        <%= link_to (image_tag  photo.file.url(:album), :width => Refinery::PhotoGallery.album_dimensions[0], :height => Refinery::PhotoGallery.album_dimensions[1]  ), photo.file.single.url, {
+        <%= link_to (image_tag  photo.file.url(:album), :width => Refinery::PhotoGallery.album_dimensions[0], :height => Refinery::PhotoGallery.album_dimensions[1]  ), photo.link_url, {
                 :target=> "_blank",
                 :class=>"fancybox",
                 :data =>{:title=> t('.image') + ' ' + (index + 1 ).to_s + '/' + photos_for_page.total_pages.to_s + ' ' + photo.title + '<br/><br/>' + photo.description},

db/migrate/20130127175559_add_url_to_photos.rb

+class AddUrlToPhotos < ActiveRecord::Migration
+  def change
+    add_column :refinery_photo_gallery_photos, :url, :string
+  end
+end