CoffeeScript file for working with Twitter Bootstrap forms.

address_controller.rb

# This is just a basic sample of a controller needed to work with popups.js
class AddressesController < ApplicationController                                
                                                                                 
  before_filter :load_addressable                                                
                                                                                 
  def new                                                                        
    @address = @addressable.addresses.build(:name => params[:name])              
    render :partial => 'form'                                                    
  end                                                                            
                                                                                 
  def create                                                                     
    @address = @addressable.addresses.build(params[:address])                    
    if @address.save                                                             
      flash[:notice] = "Successfully created address"                            
      render :nothing => true, :status => :created                               
    else                                                                         
      render :partial => 'form'                                                  
    end                                                                          
  end                                                                            
                                                                                 
  def edit                                                                       
    @address = @addressable.addresses.find_by_name(params[:name])                
    render :partial => 'form'                                                    
  end                                                                            
                                                                                 
  def update                                                                     
    @address = @addressable.addresses.find(params[:id])                          
    if @address.update_attributes(params[:address])                              
      flash[:notice] = "Successfully updated address"                            
      render :nothing => true, :status => :created                               
    else                                                                         
      render :partial => 'form'                                                  
    end                                                                          
  end                                                                            
                                                                                 
  private                                                                        
                                                                                 
  def load_addressable                                                           
    klass = [Client].detect { |c| params["#{c.name.underscore}_id"] }            
    @addressable = klass.find(params["#{klass.name.underscore}_id"])             
  end                                                                            
                                                                                 
end                                                                              

popups.js.coffee

jQuery ->                                                                                                                                                                                           
  $('a.popup').click ->                                                          
    $('#popup_container').load($(this).attr('href')).modal('show')               
    false                                                                           
                                                                                 
  # Submit the popup form.                                                       
  $('#popup_container').on("submit", "form", (event)->                           
    event.preventDefault()                                                          
    jqxhr = $.post(this.action, $(this).serialize(), (data, status, jqxhr)->     
      if jqxhr.status == 200 # validation error                                  
        $('#popup_container').html(data)                                         
      else if jqxhr.status == 201 # entity updated or created                    
        $('#popup_container').modal('hide')                                      
        # Refresh page when popup closes to update any data that may have        
        # changed.                                                               
        location.reload()                                                        
    ))