view_helper.rb in Pimki-1.4.092

- old
+ new
@@ -1,33 +1,33 @@
-module ViewHelper
-  # Accepts a container (hash, array, enumerable, your type) and returns a string of option tags. Given a container 
-  # where the elements respond to first and last (such as a two-element array), the "lasts" serve as option values and
-  # the "firsts" as option text. Hashes are turned into this form automatically, so the keys become "firsts" and values
-  # become lasts. If +selected+ is specified, the matching "last" or element will get the selected option-tag.
-  #
-  # Examples (call, result):
-  #   html_options([["Dollar", "$"], ["Kroner", "DKK"]])
-  #     <option value="$">Dollar</option>\n<option value="DKK">Kroner</option>
-  #
-  #   html_options([ "VISA", "Mastercard" ], "Mastercard")
-  #     <option>VISA</option>\n<option selected>Mastercard</option>
-  #
-  #   html_options({ "Basic" => "$20", "Plus" => "$40" }, "$40")
-  #     <option value="$20">Basic</option>\n<option value="$40" selected>Plus</option>
-  def html_options(container, selected = nil)
-    container = container.to_a if Hash === container
-  
-    html_options = container.inject([]) do |options, element| 
-      if element.respond_to?(:first) && element.respond_to?(:last)
-        if element.last != selected
-          options << "<option value=\"#{element.last}\">#{element.first}</option>"
-        else
-          options << "<option value=\"#{element.last}\" selected>#{element.first}</option>"
-        end
-      else
-        options << ((element != selected) ? "<option>#{element}</option>" : "<option selected>#{element}</option>")
-      end
-    end
-    
-    html_options.join("\n")
-  end
+module ViewHelper
+  # Accepts a container (hash, array, enumerable, your type) and returns a string of option tags. Given a container 
+  # where the elements respond to first and last (such as a two-element array), the "lasts" serve as option values and
+  # the "firsts" as option text. Hashes are turned into this form automatically, so the keys become "firsts" and values
+  # become lasts. If +selected+ is specified, the matching "last" or element will get the selected option-tag.
+  #
+  # Examples (call, result):
+  #   html_options([["Dollar", "$"], ["Kroner", "DKK"]])
+  #     <option value="$">Dollar</option>\n<option value="DKK">Kroner</option>
+  #
+  #   html_options([ "VISA", "Mastercard" ], "Mastercard")
+  #     <option>VISA</option>\n<option selected>Mastercard</option>
+  #
+  #   html_options({ "Basic" => "$20", "Plus" => "$40" }, "$40")
+  #     <option value="$20">Basic</option>\n<option value="$40" selected>Plus</option>
+  def html_options(container, selected = nil)
+    container = container.to_a if Hash === container
+  
+    html_options = container.inject([]) do |options, element| 
+      if element.respond_to?(:first) && element.respond_to?(:last)
+        if element.last != selected
+          options << "<option value=\"#{element.last}\">#{element.first}</option>"
+        else
+          options << "<option value=\"#{element.last}\" selected>#{element.first}</option>"
+        end
+      else
+        options << ((element != selected) ? "<option>#{element}</option>" : "<option selected>#{element}</option>")
+      end
+    end
+    
+    html_options.join("\n")
+  end
 end
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