mdb-ui-kit/docs/4.0/material-design/collapse-inline.md
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---
layout: docs
title: Collapse inline
group: material-design
---
The Material Design for Bootstrap `CollapseInline` plugin allows you to toggle inline content on your pages with a bit of JavaScript and some classes. This plugin utilizes a handful of classes from the [Bootstrap collapse plugin]({{ site.baseurl }}/components/collapse/) for easy toggle behavior. Since most functionality and documentation (including a rich set of Javascript events) is already provided by the [Bootstrap collapse plugin]({{ site.baseurl }}/components/collapse/), the following will focus only on some samples utilizing the BMD `CollapseInline` component.
## Contents
* Will be replaced with the ToC, excluding the "Contents" header
{:toc}
## Classes
Below is a list of relevant classes options:
<table>
<thead>
<tr>
<th>Classes</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<code>.bmd-collapse-inline</code>
</td>
<td>
{% markdown %}Marker class. It is usually included on the `.bmd-form-group` if the collapse scenario has any inputs.{% endmarkdown %}
</td>
</tr>
<tr>
<td>
<code>.collapse</code>
</td>
<td>{% markdown %}A bootstrap class signifying the container element for markup that will be initially hidden, but expanded inline.{% endmarkdown %}
</td>
</tr>
</tbody>
</table>
## Behavior
- On `shown.bs.collapse` (full visibility), the plugin will find the first `input` of any type and call `focus()`.
- On `blur` of the input element, the plugin will call `.collapse('hide')` to collapse the container.
## Example: Search field triggered by an icon button
Click the search icon below (on the right).
{% example html %}
<div class="bmd-form-group bmd-collapse-inline pull-xs-right">
<button class="btn bmd-btn-icon" for="search" data-toggle="collapse" data-target="#collapse-search" aria-expanded="false" aria-controls="collapse-search">
<i class="material-icons">search</i>
</button>
<span id="collapse-search" class="collapse">
<input class="form-control" type="text" id="search" placeholder="Enter your query...">
</span>
</div>
{% endexample %}
### Javascript event example
Behavior customization can be achieved by responding to the [collapse plugin's Javascript events]({{ site.baseurl }}/components/collapse/#events).
For example, the following code would clear the search input field after collapsing it:
{% highlight js %}
// clear field value once closed
$(function() {
$('#collapse-search').on('hidden.bs.collapse', function() {
$('#search').val('')
})
});
{% endhighlight %}