app/views/challenges/new.erb
<h2>Submit new VimGolf challenge:</h2>
<%= form_for(@challenge, :html => { :multipart => true }) do |f| %>
<% if @challenge.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(@challenge.errors.count, "error") %> prohibited this challenge from being saved:</h2>
<ul>
<% @challenge.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<div id="about" class="grid_7">
<div class="field" >
<%= f.label :title %><br />
<%= f.text_field :title, :size => 50, :class => :title %>
</div>
<div class="field">
<%= f.label :description %><br />
<%= f.text_area :description, :cols => 67, :rows => 8 %><br />
<em>Please provide a description of the challenge, main challenges, etc.</em>
</div>
</div>
<div id="about" class="grid_5">
<div class="field">
<%= f.label "Input File" %><br />
<%= f.file_field :input %>
</div>
<div class="field">
<%= f.label "Output File" %><br />
<%= f.file_field :output %>
</div>
<div class="field">
<%= f.label "Diff" %><br />
<%= f.file_field :diff %><br />
<em>To create a diff file: <b>diff input.file output.file > diff.file</b></em>
</div>
</div>
<div class="grid_12 actions">
<%= f.submit "Create challenge", :class => 'action' %>
</div>
<% end %>