snippets.rb

_form.haml

.group
  =f.label :title
  =f.error_message_on :title
  =f.text_field :title, :class => :text_field
  %span.description Ex: a simple text

.group
  =f.label :code
  =f.error_message_on :code
  ~f.text_area :code, :class => :text_area
  %span.description Ex: a simple text

.group
  =f.label :account_id
  =f.error_message_on :account_id
  =f.select :account_id, :options =>  @accounts.map { |a| [a.id, a.name] }, :class => :select_field
  %span.description Ex: a simple text


.group.navform.wat-cf
  =f.submit pat(:save), :class => :button
  =f.submit pat(:cancel), :onclick => "window.location='#{url(:snippets, :index)}';return false", :class => :button

snippets.rb

Admin.controllers :snippets do

  get :index do
    @snippets = Snippet.all
    render 'snippets/index'
  end

  get :new do
    @snippet = Snippet.new
    render 'snippets/new'
  end

  post :create do
    @snippet = Snippet.new(params[:snippet])
    @accounts = Account.all
    if @snippet.save
      flash[:notice] = 'Snippet was successfully created.'
      redirect url(:snippets, :edit, :id => @snippet.id)
    else
      render 'snippets/new'
    end
  end

  get :edit, :with => :id do
    @snippet = Snippet.find(params[:id])
    render 'snippets/edit'
  end

  put :update, :with => :id do
    @snippet = Snippet.find(params[:id])
    if @snippet.update_attributes(params[:snippet])
      flash[:notice] = 'Snippet was successfully updated.'
      redirect url(:snippets, :edit, :id => @snippet.id)
    else
      render 'snippets/edit'
    end
  end

  delete :destroy, :with => :id do
    snippet = Snippet.find(params[:id])
    if snippet.destroy
      flash[:notice] = 'Snippet was successfully destroyed.'
    else
      flash[:error] = 'Impossible destroy Snippet!'
    end
    redirect url(:snippets, :index)
  end
end