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<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Multiselect</title>
<meta name="robots" content="noindex, nofollow" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<link rel="stylesheet" href="docs/css/bootstrap-4.5.2.min.css" type="text/css">
<link rel="stylesheet" href="docs/css/bootstrap-example.min.css" type="text/css">
<link rel="stylesheet" href="docs/css/prettify.min.css" type="text/css">
<link rel="stylesheet" href="docs/css/fontawesome-5.15.1-web/all.css" type="text/css">
<script type="text/javascript" src="docs/js/jquery-2.2.4.min.js"></script>
<script type="text/javascript" src="docs/js/bootstrap.bundle-4.5.2.min.js"></script>
<script type="text/javascript" src="docs/js/prettify.min.js"></script>
<link rel="stylesheet" href="dist/css/bootstrap-multiselect.css" type="text/css">
<script type="text/javascript" src="dist/js/bootstrap-multiselect.js"></script>
<script type="text/javascript">
$(document).ready(function() {
window.prettyPrint() && prettyPrint();
});
</script>
<style>
.nav-link.active {
font-weight: bold;
}
.badge {
font-size: 85%;
}
</style>
</head>
<body data-spy="scroll" data-target="#affix" style="font-size:14px;">
<a href="https://github.com/davidstutz/bootstrap-multiselect">
<img style="position: fixed; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_red_aa0000.png" alt="Fork me on GitHub">
</a>
<div class="container">
<div class="row">
<div class="col-md-3 pt-4" id="affix">
<nav class="bg-light navbar navbar-light position-fixed">
<div class="navbar-nav">
<a class="nav-link" href="#getting-started">Getting Started</a>
<a class="nav-link" href="#configuration-options">Configuration Options</a>
<a class="nav-link" href="#templates">Templates</a>
<a class="nav-link" href="#styling">Styling</a>
<a class="nav-link" href="#methods">Methods</a>
<a class="nav-link" href="#further-examples">Further Examples</a>
<a class="nav-link" href="#post">Server-Side Processing</a>
<a class="nav-link" href="#validation">Validation</a>
<a class="nav-link" href="#keyboard-support">Keyboard Support</a>
<a class="nav-link" href="require.html">Require JS</a>
<a class="nav-link" href="#faq">Frequently Asked Questions</a>
<a class="nav-link" href="#known-issues">Known Issues</a>
<a class="nav-link" href="tests/SpecRunner.html">Tests</a>
<a class="nav-link" href="#migration">Migrating to Bootstrap v4</a>
<a class="nav-link" href="#license">License</a>
</div>
</nav>
</div>
<div class="col-md-9 pt-4">
<div class="pb-2 mb-2 border-bottom">
<h1>Bootstrap Multiselect</h1>
</div>
<p class="alert alert-info">
<b>If you are interested in actively maintaining this project, please contact me (see GitHub profile for contact information).</b>
</p>
<p class="alert alert-info">
Please consult the <a href="#faq">FAQ</a>, the <a href="https://github.com/davidstutz/bootstrap-multiselect/issues">Issue Tracker</a>
or <a href="http://stackoverflow.com/questions/tagged/bootstrap-multiselect">Stack Overflow</a> before creating a new issue; when
creating an issue or a pull request, read <a href="#how-to-contribute">how to contribute</a> first.
</p>
<div class="alert alert-secondary">
<p><b>Consider making a donation to support the development of this plugin:</b></p>
<div class="text-center">
<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="V95Q7QK6JY32Q">
<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donate_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypalobjects.com/de_DE/i/scr/pixel.gif" width="1" height="1">
</form>
</div>
<a href="http://davidstutz.de/donate/" class="small float-right">Why Donate?</a>
<div class="clearfix"></div>
</div>
<div class="page-header">
<h2 id="getting-started">Getting Started</h2>
</div>
<ol>
<li>
<h3>Link the Required Files</h3>
<p>
First, the <a href="https://jquery.com/" target="_blank">jQuery</a> library needs to be included. Then <a href="https://getbootstrap.com" target="_blank">Twitter Bootstrap</a> - both the Javascript library and the CSS stylesheet - needs to be included.
</p>
<pre class="prettyprint linenums">
<!-- Include Twitter Bootstrap and jQuery: -->
<link rel="stylesheet" href="css/bootstrap.min.css" type="text/css"/>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/bootstrap.min.js"></script>
<!-- Include the plugin's CSS and JS: -->
<script type="text/javascript" src="js/bootstrap-multiselect.js"></script>
<link rel="stylesheet" href="css/bootstrap-multiselect.css" type="text/css"/>
</pre>
<p>
The jQuery library can also be included using a CDN, for example the <a href="https://developers.google.com/speed/libraries/devguide?hl=de&csw=1#jquery">Google CDN</a>:
</p>
<pre class="prettyprint linenums">
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
</pre>
<p class="alert alert-info">
Note that the plugin will work both with version 2.x of the jQuery library as well as with version 1.10.x of the jQuery library. So for using the Google CDN you may have to adjust the version.
</p>
</li>
<li>
<h3>Create a Select</h3>
<p>
Now simply use HTML to create your <code>select</code> input which you want to turn into a multiselect. Remember to set the <code>multiple</code> attribute as to get a real multiselect - but do not worry, the plugin can also be used as usual select without the <code>multiple</code> attribute being present.
</p>
<pre class="prettyprint linenums">
<!-- Build your select: -->
<select id="example-getting-started" multiple="multiple">
<option value="cheese">Cheese</option>
<option value="tomatoes">Tomatoes</option>
<option value="mozarella">Mozzarella</option>
<option value="mushrooms">Mushrooms</option>
<option value="pepperoni">Pepperoni</option>
<option value="onions">Onions</option>
</select>
</pre>
</li>
<li>
<h3>Call the Plugin</h3>
<p>
In the end, simply call the plugin on your <code>select</code>. You may also specify further options, see the Options tab for further information.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-getting-started').multiselect({
enableHTML: true
});
});
</script>
<select id="example-getting-started" multiple="multiple">
<option value="cheese">Cheese</option>
<option value="tomatoes">Tomatoes</option>
<option value="Mozzarella">Mozzarella</option>
<option value="Mushrooms">Mushrooms</option>
<option value="Pepperoni">Pepperoni</option>
<option value="Onions">Onions</option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<!-- Initialize the plugin: -->
<script type="text/javascript">
$(document).ready(function() {
$('#example-getting-started').multiselect();
});
</script>
</pre>
</div>
</li>
</ol>
<div class="page-header">
<h2 id="configuration-options">Configuration Options</h2>
</div>
<table class="table table-condensed">
<thead>
<tr>
<th colspan="3">
Overview
</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="#configuration-options-multiple"><code class="badge badge-secondary">multiple</code></a></td>
<td><a href="#configuration-options-enableHTML"><code class="badge badge-secondary">enableHTML</code></a></td>
<td><a href="#configuration-options-enableClickableOptGroups"><code class="badge badge-secondary">enableClickableOptGroups</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-enableCollapsibleOptGroups"><code class="badge badge-secondary">enableCollapsibleOptGroups</code></a></td>
<td><a href="#configuration-options-collapseOptGroupsByDefault"><code class="badge badge-secondary">collapseOptGroupsByDefault</code></a></td>
<td><a href="#configuration-options-disableIfEmpty"><code class="badge badge-secondary">disableIfEmpty</code></a></td>
</tr>
<td><a href="#configuration-options-disabledText"><code class="badge badge-secondary">disabledText</code></a></td>
<td><a href="#configuration-options-dropRight"><code class="badge badge-secondary">dropRight</code></a></td>
<td><a href="#configuration-options-dropUp"><code class="badge badge-secondary">dropUp</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-maxHeight"><code class="badge badge-secondary">maxHeight</code></a></td>
<td><a href="#configuration-options-checkboxName"><code class="badge badge-secondary">checkboxName</code></a></td>
<td><a href="#configuration-options-onChange"><code class="badge badge-secondary">onChange</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-onInitialized"><code class="badge badge-secondary">onInitialized</code></a></td>
<td><a href="#configuration-options-onDropdownShow"><code class="badge badge-secondary">onDropdownShow</code></a></td>
<td><a href="#configuration-options-onDropdownHide"><code class="badge badge-secondary">onDropdownHide</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-onDropdownShown"><code class="badge badge-secondary">onDropdownShown</code></a></td>
<td><a href="#configuration-options-onDropdownHidden"><code class="badge badge-secondary">onDropdownHidden</code></a></td>
<td><a href="#configuration-options-buttonClass"><code class="badge badge-secondary">buttonClass</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-inheritClass"><code class="badge badge-secondary">inheritClass</code></a></td>
<td><a href="#configuration-options-buttonContainer"><code class="badge badge-secondary">buttonContainer</code></a></td>
<td><a href="#configuration-options-buttonWidth"><code class="badge badge-secondary">buttonWidth</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-buttonText"><code class="badge badge-secondary">buttonText</code></a></td>
<td><a href="#configuration-options-buttonTitle"><code class="badge badge-secondary">buttonTitle</code></a></td>
<td><a href="#configuration-options-nonSelectedText"><code class="badge badge-secondary">nonSelectedText</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-nSelectedText"><code class="badge badge-secondary">nSelectedText</code></a></td>
<td><a href="#configuration-options-allSelectedText"><code class="badge badge-secondary">allSelectedText</code></a></td>
<td><a href="#configuration-options-numberDisplayed"><code class="badge badge-secondary">numberDisplayed</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-delimiterText"><code class="badge badge-secondary">delimiterText</code></a></td>
<td><a href="#configuration-options-optionLabel"><code class="badge badge-secondary">optionLabel</code></a></td>
<td><a href="#configuration-options-optionClass"><code class="badge badge-secondary">optionClass</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-indentGroupOptions"><code class="badge badge-secondary">indentGroupOptions</code></a></td>
<td><a href="#configuration-options-selectedClass"><code class="badge badge-secondary">selectedClass</code></a></td>
<td><a href="#configuration-options-includeSelectAllOption"><code class="badge badge-secondary">includeSelectAllOption</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-selectAllJustVisible"><code class="badge badge-secondary">selectAllJustVisible</code></a></td>
<td><a href="#configuration-options-selectAllText"><code class="badge badge-secondary">selectAllText</code></a></td>
<td><a href="#configuration-options-selectAllValue"><code class="badge badge-secondary">selectAllValue</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-selectAllName"><code class="badge badge-secondary">selectAllName</code></a></td>
<td><a href="#configuration-options-selectAllNumber"><code class="badge badge-secondary">selectAllNumber</code></a></td>
<td><a href="#configuration-options-onSelectAll"><code class="badge badge-secondary">onSelectAll</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-onDeselectAll"><code class="badge badge-secondary">onDeselectAll</code></a></td>
<td><a href="#configuration-options-enableFiltering"><code class="badge badge-secondary">enableFiltering</code></a></td>
<td><a href="#configuration-options-includeFilterClearBtn"><code class="badge badge-secondary">includeFilterClearBtn</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-enableCaseInsensitiveFiltering"><code class="badge badge-secondary">enableCaseInsensitiveFiltering</code></a></td>
<td><a href="#configuration-options-enableFullValueFiltering"><code class="badge badge-secondary">enableFullValueFiltering</code></a></td>
<td><a href="#configuration-options-filterBehavior"><code class="badge badge-secondary">filterBehavior</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-filterPlaceholder"><code class="badge badge-secondary">filterPlaceholder</code></a></td>
<td><a href="#configuration-options-includeResetOption"><code class="badge badge-secondary">includeResetOption</code></a></td>
<td><a href="#configuration-options-includeResetDivider"><code class="badge badge-secondary">includeResetDivider</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-resetText"><code class="badge badge-secondary">resetText</code></a></td>
<td><a href="#configuration-options-widthSynchronizationMode"><code class="badge badge-secondary">widthSynchronizationMode</code></a></td>
<td><a href="#configuration-options-buttonTextAlignment"><code class="badge badge-secondary">buttonTextAlignment</code></a></td>
</tr>
<tr>
<td><a href="#configuration-options-enableResetButton"><code class="badge badge-secondary">enableResetButton</code></a></td>
<td><a href="#configuration-options-resetButtonText"><code class="badge badge-secondary">resetButtonText</code></a></td>
</tr>
</tbody>
</table>
<p><b>Unofficial pluguins:</b></p>
<ul>
<li><a href="https://github.com/jorgelf/bootstrap-multiselect-showselected" target="_blank">jorgelf/bootstrap-multiselect-showselected</a>: move selected options to the top of the list</li>
</ul>
<p class="alert alert-info">
Use Firebug, Chrome Developer Tools to get the best out of the below examples.
</p>
<table class="table layout-fixed">
<tbody>
<tr>
<td width="30%"><code id="configuration-options-multiple">multiple</code></td>
<td>
<p>
<code>multiple</code> is not a real configuration option. It refers to the <code>multiple</code> attribute of the <code>select</code> the plugin is applied on. When the <code>multiple</code> attribute of the <code>select</code> is present, the plugin uses checkboxes to allow multiple selections. If it is not present, the plugin uses radio buttons to allow single selections. When using the plugin for single selections (without the <code>multiple</code> attribute present), the first option will automatically be selected if no other option is selected in advance. See <a href="https://github.com/davidstutz/bootstrap-multiselect/issues/129">#129</a> for how to avoid this behavior.
</p>
<p>
The following example shows the default behavior when the <code>multiple</code> attribute is omitted:
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-single').multiselect();
});
</script>
<select id="example-single">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$('#example-single').multiselect();
</script>
<!-- Note the missing multiple attribute! -->
<select id="example-single">
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</pre>
</div>
<p>
If multiple options are selected in advance and the <code>select</code> lacks the <code>multiple</code> attribute, the last option marked as <code>selected</code> will initially be selected by the plugin.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-single-selected').multiselect();
});
</script>
<select id="example-single-selected">
<option value="1">Option 1</option>
<option value="2" selected="selected">Option 2</option>
<option value="3" selected="selected">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$('#example-single-selected').multiselect();
</script>
<!-- Note the missing multiple attribute! -->
<select id="example-single-selected">
<option value="1">Option 1</option>
<option value="2" selected="selected">Option 2</option>
<!-- Option 3 will be selected in advance ... -->
<option value="3" selected="selected">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</pre>
</div>
<p>
The following example shows the default behavior when the <code>multiple</code> attribute is present. Initially selected options will be adopted automatically:
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-multiple-selected').multiselect();
});
</script>
<select id="example-multiple-selected" multiple="multiple">
<option value="1">Option 1</option>
<option value="2" selected="selected">Option 2</option>
<option value="3" selected="selected">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$('#example-multiple-selected').multiselect();
</script>
<!-- Note the missing multiple attribute! -->
<select id="example-multiple-selected" multiple="multiple">
<option value="1">Option 1</option>
<option value="2" selected="selected">Option 2</option>
<!-- Option 3 will be selected in advance ... -->
<option value="3" selected="selected">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
<option value="6">Option 6</option>
</select>
</pre>
<p>
The plugin naturally supports <code>optgroup</code>s, however the group headers are not clickable by default. See the <code>enableClickableOptGroups</code> option for details.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-multiple-optgroups').multiselect();
});
</script>
<select id="example-multiple-optgroups" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$('#example-multiple-optgroups').multiselect();
</script>
<select id="example-multiple-optgroups">
<optgroup label="Group 1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</pre>
</div>
<p>
Note that the classes of the <code>optgroup</code>s are adopted, allowing to select individual <code>optgroup</code>s easily (inspect the created markup to note the difference!):
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-multiple-optgroups-classes').multiselect();
});
</script>
<select id="example-multiple-optgroups-classes" multiple="multiple">
<optgroup label="Group 1" class="group-1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2" class="group-2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$('#example-multiple-optgroups-classes').multiselect();
</script>
<select id="example-multiple-optgroups">
<optgroup label="Group 1" class="group-1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2" class="group-2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</pre>
</td>
</tr>
<tr>
<td><code id="configuration-options-enableHTML">enableHTML</code></td>
<td>
<p>
XSS injection is a serious threat for all modern web applications. Setting <code>enableHTML</code> to <code>false</code> (default setting) will create a XSS safe multiselect.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-xss').multiselect();
});
</script>
<select id="example-xss" multiple="multiple">
<option value="1"><script>alert(1);</script></option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-xss').multiselect();
});
</script>
<select id="example-xss" multiple="multiple">
<option value="1">&lt;script&gt;alert(1);&lt;/script&gt;</option>
</select>
</pre>
<p>On the other hand, when setting <code>enableHTML</code> to <code>true</code>, the plugin will support HTML within <code>option</code>s:</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-xss-html').multiselect({
nonSelectedText: '<span style="color:red;">Non selected ...</span>',
enableHTML: true
});
});
</script>
<select id="example-xss-html" multiple="multiple">
<option value="1"><span style="color:red">Option 1</span></option>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-xss-html').multiselect();
});
</script>
<select id="example-xss-html" multiple="multiple">
<option value="1">&gt;span style="color:red"&lt;Option 1&gt;/span&gt;</option>
</select>
</pre>
</td>
</tr>
<tr>
<td><code id="configuration-options-enableClickableOptGroups">enableClickableOptGroups</code></td>
<td>
<p>
If set to <code>true</code>, <code>optgroup</code>'s will be clickable, allowing to easily select multiple options belonging to the same group.
</p>
<p class="alert alert-warning">
<code>enableClickableOptGroups</code> is not available in single selection mode, i.e. when the <code>multiple</code> attribute is not present.
</p>
<p class="alert alert-info">
When using <code>selectedClass</code>, the selected classes are also applied on the option groups.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups').multiselect({
enableClickableOptGroups: true
});
});
</script>
<select id="example-enableClickableOptGroups" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups').multiselect({
enableClickableOptGroups: true
});
});
</script>
</pre>
</div>
<p>
Note that this option does also work with disabled options:
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-disabled').multiselect({
enableClickableOptGroups: true
});
});
</script>
<select id="example-enableClickableOptGroups-disabled" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1" disabled>Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-disabled').multiselect({
enableClickableOptGroups: true
});
});
</script>
</pre>
</div>
<p>
Note that the behavior of <code>onChange</code> changes. Whenever an optgroup is changed/clicked, the <code>onChange</code> event is fired with all affected options as first parameter.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-onChange').multiselect({
enableClickableOptGroups: true,
onChange: function(option, checked) {
alert(option.length + ' options ' + (checked ? 'selected' : 'deselected'));
}
});
});
</script>
<select id="example-enableClickableOptGroups-onChange" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-onChange').multiselect({
enableClickableOptGroups: true,
onChange: function(option, checked) {
alert(option.length + ' options ' + (checked ? 'selected' : 'deselected'));
}
});
});
</script>
</pre>
</div>
<p>
Note that the <code>optgroup</code>'s are automatically selected if a whole group is selected by default:
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-init').multiselect({
enableClickableOptGroups: true
});
});
</script>
<select id="example-enableClickableOptGroups-init" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled="disabled">Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableClickableOptGroups-init').multiselect({
enableClickableOptGroups: true
});
});
</script>
</pre>
</div>
</td>
</tr>
<tr>
<td><code id="configuration-options-enableCollapsibleOptGroups">enableCollapsibleOptGroups</code></td>
<td>
<p>
If set to <code>true</code>, <code>optgroup</code>'s will be collapsible.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups').multiselect({
enableCollapsibleOptGroups: true
});
});
</script>
<select id="example-enableCollapsibleOptGroups" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups').multiselect({
enableCollapsibleOptGroups: true
});
});
</script>
</pre>
</div>
<p>
Both options, <code>enableCollapsibleOptGroups</code> and <code>enableClickableOptGroups</code>, can also be combined:
</p>
<p class="alert alert-warning">
Note, however, that the behavior of combining both options might not be as expected - play around with the below example to get some intuition.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-enableClickableOptGroups').multiselect({
enableClickableOptGroups: true,
enableCollapsibleOptGroups: true
});
});
</script>
<select id="example-enableCollapsibleOptGroups-enableClickableOptGroups" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-enableClickableOptGroups').multiselect({
enableClickableOptGroups: true,
enableCollapsibleOptGroups: true
});
});
</script>
</pre>
</div>
<p>
The groups can be collapsed by default using the following simple trick:
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-collapsed').multiselect({
enableCollapsibleOptGroups: true,
buttonContainer: '<div id="example-enableCollapsibleOptGroups-collapsed-container" class="btn-group" />'
});
$('#example-enableCollapsibleOptGroups-collapsed-container .caret-container').click();
});
</script>
<select id="example-enableCollapsibleOptGroups-collapsed" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-collapsed').multiselect({
enableCollapsibleOptGroups: true,
buttonContainer: '<div id="example-enableCollapsibleOptGroups-collapsed-container" class="btn-group" />'
});
$('#example-enableCollapsibleOptGroups-collapsed-container .caret-container').click();
});
</script>
</pre>
</div>
<p>
Combining the above with <code>enableFiltering</code> and <code>includeSelectAllOption</code>:
</p>
<p class="alert alert-warning">
Again, note, that the behavior of combining <code>enableCollapsibleOptGroups</code>, <code>enableCollapsibleOptGroups</code>, <code>enableFiltering</code> and <code>includeSelectAllOption</code> is not thoroughly tested. <b>Experiment with the example below to get some intuition.</b>
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-enableClickableOptGroups-enableFiltering-includeSelectAllOption').multiselect({
enableClickableOptGroups: true,
enableCollapsibleOptGroups: true,
enableFiltering: true,
includeSelectAllOption: true
});
});
</script>
<select id="example-enableCollapsibleOptGroups-enableClickableOptGroups-enableFiltering-includeSelectAllOption" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-enableCollapsibleOptGroups-enableClickableOptGroups-enableFiltering-includeSelectAllOption').multiselect({
enableClickableOptGroups: true,
enableCollapsibleOptGroups: true,
enableFiltering: true,
includeSelectAllOption: true
});
});
</script>
</pre>
</div>
</td>
</tr>
<tr>
<td><code id="configuration-options-collapseOptGroupsByDefault">collapseOptGroupsByDefault</code></td>
<td>
<p>This option will collapse all <code>optgroup</code>s by default.</p>
<p class="alert alert-info">There is also an example in the <a href="#further-examples">Further Examples</a> section demonstrating an alternative way of collapsing <code>optgroups</code> by default.</a></p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-collapseOptGroupsByDefault').multiselect({
enableCollapsibleOptGroups: true,
collapseOptGroupsByDefault: true
});
});
</script>
<select id="example-collapseOptGroupsByDefault" multiple="multiple">
<optgroup label="Group 1">
<option value="1-1" disabled>Option 1.1</option>
<option value="1-2" selected="selected">Option 1.2</option>
<option value="1-3" selected="selected">Option 1.3</option>
</optgroup>
<optgroup label="Group 2">
<option value="2-1">Option 2.1</option>
<option value="2-2">Option 2.2</option>
<option value="2-3">Option 2.3</option>
</optgroup>
</select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-collapseOptGroupsByDefault').multiselect({
enableCollapsibleOptGroups: true,
collapseOptGroupsByDefault: true
});
});
</script>
</pre>
</div>
</td>
</tr>
<tr>
<td><code id="configuration-options-disableIfEmpty">disableIfEmpty</code></td>
<td>
<p>
If set to <code>true</code>, the multiselect will be disabled if no options are given.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-disableIfEmpty').multiselect({
disableIfEmpty: true
});
});
</script>
<select id="example-disableIfEmpty" multiple="multiple"></select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-disableIfEmpty').multiselect({
disableIfEmpty: true
});
});
</script>
</pre>
</div>
</td>
</tr>
<tr>
<td><code id="configuration-options-disabledText">disabledText</code></td>
<td>
<p>
The text shown if the multiselect is disabled. Note that this option is set to the empty string <code>''</code> by default, that is <code>nonSelectedText</code> is shown if the multiselect is disabled and no options are selected.
</p>
<div class="example">
<script type="text/javascript">
$(document).ready(function() {
$('#example-disabledText').multiselect({
disableIfEmpty: true,
disabledText: 'Disabled ...'
});
});
</script>
<select id="example-disabledText" multiple="multiple"></select>
</div>
<div class="highlight">
<pre class="prettyprint linenums">
<script type="text/javascript">
$(document).ready(function() {
$('#example-disabledText').multiselect({
disableIfEmpty: true,
disabledText: 'Disabled ...'
});
});
</script>
</pre>
</div>