http://snippets.dzone.com/posts Mon, 06 Oct 2008 09:42:15 GMT DZone Snippets: field code http://snippets.dzone.com/posts/show/3403 The idea is to display the error near the field instead of in global area at the top of the page. <br />Simple… first go into your view and delete the <br /><code> <br />error_messages_for ‘object’ <br /></code> <br /> <br />Then stick this in your application helper. <br /> <br /> <br /># application_helper.rb <br />def error_for(object, method = nil, options={}) <br /> if method <br /> err = instance_variable_get("@#{object}").errors.on(method).to_sentence rescue instance_variable_get("@#{object}").errors.on(method) <br /> else <br /> err = @errors["#{object}"] rescue nil <br /> end <br /> options.merge!(:class=>’fieldWithErrors’, <br /> :id=>"#{[object,method].compact.join(’_')}-error", <br />:style=>(err ? #{options[:style]}":"#{options[:style]};display: none;") <br /> ) <br /> content_tag("p",err || "", options ) <br />end <br /></code> <br /> <br />Then in your form view, add an ‘error_for’ call wherever you need one… <br /> <br /><code> <br /># _form.rhtml <br /> <p><label for="code_project_name">Name</label> <br /> <%= text_field ‘code_project’, ‘name’ %> <br /> <%= error_for ‘code_project’, ‘name’ %></p> <br /></code> <br /> <br />If the model fails a validation test, then it will show the message right next to the field that caused the validation problem. <br />Also note that if you define an instance variable called @errors containing a hash of field_names and messages, they will also be used. This is handy for those form fields that don’t correspond to a model attribute. Thu, 01 Feb 2007 14:06:27 GMT http://snippets.dzone.com/posts/show/3403 Mickael (Mickael)