title: How pass parameter in action of handlebars input component? Using Ember.js
body: <p>I need to use this input component:</p>
  
  <pre><code>{{input type="textarea" value=fileName class="field" action="setFileName" on="key-press"}}
  </code></pre>
  
  <p>But I have to pass a parameter.</p>
  
  <p>I don't want to do:</p>
  
  <pre><code>&lt;input type="textarea" {{bind-attr value=fileName}} class="field" {{action 'setFileName' param on="keyPress"}}
  </code></pre>