similar to: Link helpers and AJAX callbacks

I want to add a custom validator in one of Model. For example Rails has inbuilt validation methods like validates_uniqueness_of, validates_presence_of . What I need is a similar kind of method (example: validates_line_items), that can run my custom code while saving, updating the record and can add custom error messages to the record. Please help me by suggesting how i can do this. -- Posted via

Hi, So finally I have also decided to roll my engines on Rails. But I am kind of stuck in a situation. I understand that for every model there is a controller class. This controller class has cirtain set of methods where each method defines cirtain action to be performed. And each of this action renders cirtain UI. [The background] Now let say I have a object "Car". Apart from

I am trying to run a web application. I downloaded the web app package and then tried to run the Webrick server. I got this error: ---------------------- C:\Documents and Settings\Dipesh\My Documents\RubyOnRailsProjects\feedmarker>rub y script/server => Booting WEBrick... The Iconv library does not appear to be installed properly. FeedTools cannot fu nction properly without it.

Anyone aware of good calendar library in Ruby? I need to design a calendar similar to Google calendar. The idea is to have ability to add recurring or even infinite events as it is possible in Google calendar. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on

Hi, I have a selectbox that updates a given span area when a user selects a value. The selectbox has the option :include_blank => true. The controler will fetch the ID of the selected option in the combo box and sends the description of the item with the same ID. The problem is that the user is able to select the empty option, and the controler will not be able to fecth the ID. This

I have the following view template: <%= form_remote_tag :update => "new_item", :url => {:action => ''create''}, :before => %(Element.show(''spinner'')), :success => %(Element.hide(''spinner'')) %> <div id="new_item"> </div>

Hi, I''m starting to use GetText and have this code: render_text %(<script language="JavaScript" type="text/javascript"> parent.mainframe.onUpdateNew("Gallery <b>#{@media.name}</b> was successfully created.", "#{@media.name}","#{String(@media.id)}","#{@media.media_type}"); </script>) I need to convert

why does <%= render_text "hey ya" %> cause ''undefined method `render_text'' for #<#<Class:0x3851120>:0x3851000>'' can i use render text in a template? -- Posted via http://www.ruby-forum.com/.

I finally got around to upgrading from 0.8.2 (!!). I had a spec which looked like specify "should render abc123" do controller.should_render :text => "abc123" get :key end With 1.0.0, the new spec is it "should render abc123" do get :key response.should render_text("abc123") end However it doesn''t work, giving me the error: undefined

Hi According to rdoc: value - the cookie''s value or list of values (as an array). So, I can use arrays, briliant. But.... It does not work (at least on webrick) I wrote a controller: def check_cookies_first cookies[:chef] = {:value => ["first", "second"], :expires => Time.local (2020)} render_text ":)" end def

In a panel, I have an hidden input field which is modified by a javascript function (from calendar) how can I sent the value of this input field in my link_to_remote call ? presently I just send back one parameter (an id) but I need both... <input type="hidden" name="booking[start_at]" id="f_date_s" value="booking[start_at]" /> ... <%=

I''m really new to Ruby on Rails, and I''m trying to read an XML file with REXML. No matter what I try, I am only getting the last result returned from my query. I should be getting 365 results. Here is the code: include REXML require ''rexml/document'' require ''rexml/xpath'' class MakeFootprintController < ApplicationController def index

Hi , We are using Xen 4.0 version. These are the problems we are facing: 1) Centos-5 installed successfully from other installation media, Video card is detected but mouse is not working. 2) Centos-5 installed successfully from inbuilt template,but Video card is not been detected. 3) Debian 4.0 installed from other installation media, GUI is working but mouse is not working. 4) Debian 4.0

In my blog a user can add comments. I want an Ajax call to add the comment to the bottom of the comments list. How to i return a comment thats is in the comment template and add it to the bottom of the page. I have gotten as far as rendering some text back to the form and the comment doesn''t display until i refresh. This is my _newcomment.rhtml form to create a new comment <div

Hi I have three drop downs (State, City, Locality) and would like to populate City based on State selection and Locality based on City selection. I have observers on two fields (State, and City). The observer_field on state works fine and it populates city based on state selection. But the observer on city doesn''t populate Locality. Now sure whats wrong with my code. here is the

Hi all, I''m trying to do something for a project. Herez what im trying to do. The user name gets passes from the view to the controller. On line2: The user name gets displayed. On line 3: (If this command works the way I think it works, the sad part is I always get it wrong) anyways, The entry in the data base with the given user name gets searched and the user info gets stored in

I have been using multiple observers, i.e., observe_field(), on the same input field and relying on them to execute in the same order that they appear in the page. This has been working fine in FireFox, but it does not seem to work in MSIE; the requests come in and are processed in a different order. Now, I''ve always been a little hesitant about using this technique, but it always

I am running (testing) a noob-tube for myself as follows: Windows XP SP2 lighty ruby 1.8.x rails 1.1 scgi I have everything working fairly well, but with one minor exception: the actions that I have defined as follows are not found. class MytestController < ApplicationController def index render_text "Hello Nurse!" end def dilbert render_text "Dilbert

I am using: if @post.empty? render_text "Post does not exist." end But it gives me this error: NoMethodError in Posts#view undefined method `empty?'' for #<Posts:0x39598d0> However, if the method list empty? apears and stuff so I am confused. -- Posted via http://www.ruby-forum.com/.

I am trying to ''connect'' two tables AdHour and Ad in the method below. However, the line with the asterisks is causing the following error: "You have a nil object when you didn''t expect it! The error occured while evaluating nil.user_id" I''ve included the model for both AdHour and Ad. Why doesn''t the script like how I am connecting the