Showing partial text in bootstrap collapse accordion

I want to replace a script I have that allows users to "read more" with the Bootstrap collapse accordion. My problem is that as far as I've seen the accordion is either open or closed.

Does anyone know about an option to show some text in closed mode?

In the script I'm using right now I can make some text visible by changing the height of the text area, but in Bootstrap this option doesn't work. When I change the height of .in or .out (the css that controls the text area height), it simply opens and closes until that height. Has anybody found a workaround for this?

My HTML:

<!-- language: lang-html -->

<div class="accordion" id="accordion2"> 
  <div class="accordion-group"> 
    <div class="accordion-heading"> 
      <a class="accordion-toggle"  href="#collapseOne"
         data-toggle="collapse" data-parent="#accordion2">
        TITLE OF THE COLLAPSE 
    </a> 
    </div> 
    <div id="collapseOne" class="accordion-body collapse in"> 
      <div class="accordion-inner"> 
        DATA IN THE COLLAPSE 
      </div> 
    </div>
  </div>
</div>

Sure you can! Accordions are just collapse controls that have some automatic wiring provided by bootstrap.

The only thing the collapse does is toggle the visibility of specified section plus provide some animations. If you'd like something else to be visible, even when the toggled section is hidden, just put it outside the toggled section so it's always there. Collapsing won't change that.

Here's an example with a teaser panel that's always visible before the main panel. You can style it however you want.

Example

Demo in Stack Snippets

<!-- begin snippet: js hide: false --> <!-- language: lang-html -->

<link href="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/css/bootstrap.css" rel="stylesheet"/>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/js/bootstrap.js"></script>

<div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
  
  <div class="panel panel-default">
    <div class="panel-heading" role="tab" id="headingOne">
      <h4 class="panel-title">
        <a data-toggle="collapse" data-parent="#accordion"
           href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
          Panel - Header - 1
        </a>
      </h4>
    </div>
    <div class="panel-teaser panel-body" >
      Panel - Teaser - 1
    </div>
    <div id="collapseOne" class="panel-collapse collapse in" 
         role="tabpanel" aria-labelledby="headingOne">

      <div class="panel-body">
        Panel - Body - 1
      </div>
    </div>
  </div>
  
  <div class="panel panel-default">
    <div class="panel-heading" role="tab" id="headingTwo">
      <h4 class="panel-title">
        <a class="collapsed" data-toggle="collapse" data-parent="#accordion" 
           href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
          Panel - Header - 2
        </a>
      </h4>
    </div>
    <div class="panel-teaser panel-body">
      Panel - Teaser - 2
    </div>
    <div id="collapseTwo" class="panel-collapse collapse" 
         role="tabpanel" aria-labelledby="headingTwo">
      <div class="panel-body">
        Panel - Body - 2
      </div>
    </div>
  </div>
  
  <div class="panel panel-default">
    <div class="panel-heading" role="tab" id="headingThree">
      <h4 class="panel-title">
        <a class="collapsed" data-toggle="collapse" data-parent="#accordion"
           href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
          Panel - Header - 3
        </a>
      </h4>
    </div>
    <div class="panel-teaser panel-body">
      Panel - Teaser - 3
    </div>
    <div id="collapseThree" class="panel-collapse collapse" 
         role="tabpanel" aria-labelledby="headingThree">
      <div class="panel-body">
        Panel - Body - 3
      </div>
    </div>
  </div>
  
</div>

<!-- end snippet -->