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PORails 3 - How do I dynamically render a partial for a single object based on selected div using Jquery?
 

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    <p>I have a simple jquery auto complete search in my Rails 3 app based on the one in <a href="http://railscasts.com/episodes/240-search-sort-paginate-with-ajax" rel="nofollow noreferrer">Railscasts episode #240</a> that filters a list of location objects on the location index page by rendering a partial using jquery.</p> <p>In the partial (<strong>_locations.html.erb</strong>), the location objects are each wrapped in their own div and are styled to look like a clickable element. When the user clicks one of them, I'd like it to do two things: </p> <ol> <li><p>Change the selected div's background color to show that it's selected (this part already works fine).</p></li> <li><p>Render content that's specific to the selected object in an empty div. A link to the show page will be included in the rendered content. This will basically function like a quickview/preview.</p></li> </ol> <p>This all changes dynamically according to the current selection without refreshing the page.</p> <h3>My Problem:</h3> <p>I'm having troubles with the second point. I can't seem to get the partial to render when the location element is clicked. I've tried a lot of different things over the past week. There are a couple examples that have gotten me close (<a href="https://stackoverflow.com/questions/4766383/rails-3-link-to-to-call-partial-using-jquery-ajax">Rails 3 - link_to to call partial using jquery ajax</a>, <a href="https://stackoverflow.com/questions/6901332/render-a-partial-in-rails-using-jquery">Render a partial in rails using jquery</a>) in addition to many others that aren't as relevant but follow a similar strategy.</p> <p>I suspect it might be a problem in the way I'm calling a partial within a partial, but I'm not sure. I included my code below. When I try it out, I'm taken to a blank page with the following address: localhost:3000/locations/1/show_quickview </p> <p>Thanks for any help in advance. Also, thanks for helping me get this far - you guys are great!</p> <p><strong>index.html.erb</strong> </p> <pre class="lang-rb prettyprint-override"><code>&lt;%= form_tag locations_path, :method =&gt; 'get', :id =&gt; "locations_search" do %&gt; &lt;p&gt; &lt;%= text_field_tag :search, params[:search] %&gt; &lt;%= submit_tag "Search", :name =&gt; nil %&gt; &lt;/p&gt; &lt;% end %&gt; &lt;div id="quickview"&gt;&lt;/div&gt; #placed here only for testing out &lt;div id="locations"&gt; &lt;%= render 'locations' %&gt; &lt;/div&gt; </code></pre> <p><strong>_locations.html.erb</strong></p> <pre class="lang-rb prettyprint-override"><code>&lt;% @locations.each do |location| %&gt; &lt;div class="location"&gt; &lt;h4&gt;&lt;%= link_to location.name, show_quickview_location_path(:id =&gt; location.id), :remote =&gt; true %&gt;&lt;/h4&gt; &lt;/div&gt; &lt;% end %&gt; </code></pre> <p><strong>_quickview.html.erb</strong></p> <pre class="lang-rb prettyprint-override"><code>&lt;p&gt;&lt;%= location.name %&gt;&lt;/p&gt; #keeping it simple for now </code></pre> <p><strong>routes.rb</strong></p> <pre class="lang-rb prettyprint-override"><code> resources :locations do member do get 'show_quickview' end end </code></pre> <p><strong>locations_controller.rb</strong></p> <pre class="lang-rb prettyprint-override"><code> def show_quickview respond_to do |format| format.js { render :layout =&gt; false } end end </code></pre> <p><strong>show_quickview.js.erb</strong></p> <pre class="lang-rb prettyprint-override"><code>$("#quickview").html("&lt;%= escape_javascript(render(:partial =&gt; "quickview", :locals =&gt; { :location =&gt; location }))) %&gt;"); </code></pre> <p><strong>application.js</strong></p> <pre class="lang-rb prettyprint-override"><code>$(function() { $("#locations_search input").keyup(function() { $.get($("#locations_search").attr("action"), $("#locations_search").serialize(), null, "script"); return false; }); $(".location").click(function() { $(".location").not(this).removeClass('location-clicked h4'); $(this).toggleClass('location-clicked h4'); }); }); </code></pre>
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