Add collection counters to layouts & rendering guide

1 files changed, 13 insertions, 0 deletions

diff --git a/railties/doc/guides/html/layouts_and_rendering.html b/railties/doc/guides/html/layouts_and_rendering.html
index 1c9ef8ce24..7138c45853 100644
--- a/railties/doc/guides/html/layouts_and_rendering.html
+++ b/railties/doc/guides/html/layouts_and_rendering.html
@@ -1305,6 +1305,14 @@ http://www.gnu.org/software/src-highlite -->
 <pre><tt>&lt;%= render :partial =&gt; "product", :collection =&gt; @products, :as =&gt; :item %&gt;

 </tt></pre></div></div>

 <div class="para"><p>With this change, you can access an instance of the <tt>@products</tt> collection as the <tt>item</tt> local variable within the partial.</p></div>

+<div class="admonitionblock">

+<table><tr>

+<td class="icon">

+<img src="./images/icons/tip.png" alt="Tip" />

+</td>

+<td class="content">Rails also makes a counter variable available within a partial called by the collection, named after the member of the collection followed by <tt>_counter</tt>. For example, if you're rendering <tt>@products</tt>, within the partial you can refer to <tt>product_counter</tt> to tell you how many times the partial has been rendered.</td>

+</tr></table>

+</div>

 <div class="para"><p>You can also specify a second partial to be rendered between instances of the main partial by using the <tt>:spacer_template</tt> option:</p></div>

 <div class="listingblock">

 <div class="content"><!-- Generator: GNU source-highlight 2.9

@@ -1366,6 +1374,11 @@ http://www.gnu.org/software/src-highlite -->
 <div class="ilist"><ul>

 <li>

 <p>

+November 9, 2008: Added partial collection counter by <a href="../authors.html#mgunderloy">Mike Gunderloy</a>

+</p>

+</li>

+<li>

+<p>

 November 1, 2008: Added <tt>:js</tt> option for <tt>render</tt> by <a href="../authors.html#mgunderloy">Mike Gunderloy</a>

 </p>

 </li>