[F] POST/COMMENT when Enter hit dubla 2 ;)

app/assets/javascripts/comment.js

@@ -0,0 +1,6 @@
+function submit_comment(event, post) {
+   if (event.keyCode == 13) {
+      jQuery('#new-c' + post + ' > form').submit();
+      return false;
+   }
+}

app/assets/javascripts/feed.js

@@ -12,4 +12,12 @@ function showPosition(position)
   jQuery('#feed_latitude').val(position.coords.latitude);
   jQuery('#feed_longitude').val(position.coords.longitude);	
 }
-
+
+jQuery(document).ready(function() {
+    jQuery('#feed_post').keydown(function(event) {
+        if (event.keyCode == 13) {
+            this.form.submit();
+            return false;
+         }
+    });
+});

app/controllers/comment_controller.rb

@@ -10,8 +10,13 @@ def new
    end
 
    def create
-      comment = params.require(:feed).require :comment
-      post = params.permit([:post])[:post]
+      begin
+	 comment = params.require(:feed).require :comment
+	 post = params.permit([:post])[:post]
+      rescue ActionController::ParameterMissing
+	 redirect_to :feed_index, :alert => 'The comment should contain a message'
+	 return
+     end
 
       if post
 	 current_user.family.posts.find_by_id(post).comments.create :text => comment, :user => current_user

app/views/comment/_form.html.erb

@@ -1,5 +1,5 @@
 <%= form_tag({:action => 'create', :controller => 'comment'}, :method => :comment) %>
-<%= text_area :feed, 'comment', :rows => 2, :cols => 240, :style=> 'width:420px' %>
+<%= text_area :feed, "comment", :rows => 2, :cols => 240, :style=> 'width:420px', :onkeydown => "submit_comment(event, #{@post});" %>
 <% if @post %>
    <%= hidden_field_tag :post, @post %> 
 <% elsif @event %>