lib/magic_grid/helpers.rb in magic_grid-0.9.3.1 vs lib/magic_grid/helpers.rb in magic_grid-0.10.0

@@ -1,8 +1,11 @@
 require 'magic_grid/definition'
-require 'will_paginate/array'
 
+if Module.const_defined? :WillPaginate
+  require 'will_paginate/array'
+end
+
 module MagicGrid
   module Helpers
     def normalize_magic(collection, columns = [], options = {})
       if collection.is_a? MagicGrid::Definition
         collection
@@ -60,11 +63,11 @@
           end
           if grid.options[:per_page] and grid.options[:top_pager]
             thead << content_tag('tr') do
               content_tag('td', :class => 'full-width ui-widget-header',
                           :colspan => grid.columns.count) do
-                pager = will_paginate(grid.collection,
+                pager = magic_paginate(grid.collection,
                                       :param_name => grid.param_key(:page),
                                       :params => base_params
                                      )
                 unless has_spinner
                   has_spinner = true
@@ -94,11 +97,11 @@
           tfoot = ''.html_safe
           if grid.options[:per_page] and grid.options[:bottom_pager]
             tfoot << content_tag('tr') do
               content_tag('td', :class => 'full-width ui-widget-header',
                           :colspan => grid.columns.count) do
-                will_paginate(grid.collection,
+                magic_paginate(grid.collection,
                               :param_name => grid.param_key(:page),
                               :params => base_params
                              )
               end
             end
@@ -239,9 +242,24 @@
       if grid.options[:search_button]
         searcher << button_tag(grid.options[:searcher_button],
           :class => 'magic-grid-search-button')
       end
       searcher
+    end
+
+    def magic_paginate(collection, opts={})
+      if respond_to? :will_paginate
+        # WillPaginate
+        will_paginate collection, opts
+        #alias_method :magic_paginate, :will_paginate
+      elsif respond_to? :paginate
+        #Kaminari, or something else..
+        paginate collection, opts
+        #alias_method :magic_paginate, :paginate
+      else
+        ("<!-- page #{collection.current_page} of #{collection.total_pages} -->" +
+                '<!-- INSTALL WillPaginate or Kaminari for a pager! -->').html_safe
+      end
     end
 
     ::ActionView::Base.send :include, self
   end
 end