Bootstrap 3.0 Context Menu - RIGHT CLICK MENU

by bizamajig

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css">
<table id="myTable" class="table table-hover">
    <thead>
        <tr>
            <th>#</th>
            <th>First Name</th>
            <th>Last Name</th>
            <th>Username</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>1</td>
            <td>Mark</td>
            <td>Otto</td>
            <td>@mdo</td>
        </tr>
        <tr>
            <td>2</td>
            <td>Jacob</td>
            <td>Thornton</td>
            <td>@fat</td>
        </tr>
        <tr>
            <td>3</td>
            <td>Larry</td>
            <td>the Bird</td>
            <td>@twitter</td>
        </tr>
    </tbody>
</table>

<ul id="contextMenu" class="dropdown-menu" role="menu" style="display:none" >
    <li><a tabindex="-1" href="#">Action</a></li>
    <li><a tabindex="-1" href="#">Another action</a></li>
    <li><a tabindex="-1" href="#">Something else here</a></li>
    <li class="divider"></li>
    <li><a tabindex="-1" href="#">Separated link</a></li>
</ul>




<!-- Post Info -->
<div style='position:fixed;bottom:0;left:0;    
            background:lightgray;width:100%;'>
    About this SO Question: <a href='http://stackoverflow.com/q/18666601/1366033'>Use Bootstrap 3 dropdown menu as context menu</a><br/>
<div>

JavaScript

(function ($, window) {

    $.fn.contextMenu = function (settings) {

        return this.each(function () {

            // Open context menu
            $(this).on("contextmenu", function (e) {
                //open menu
                $(settings.menuSelector)
                    .data("invokedOn", $(e.target))
                    .show()
                    .css({
                        position: "absolute",
                        left: getLeftLocation(e),
                        top: getTopLocation(e)
                    })
                    .off('click')
                    .on('click', function (e) {
                        $(this).hide();
                
                        var $invokedOn = $(this).data("invokedOn");
                        var $selectedMenu = $(e.target);
                        
                        settings.menuSelected.call(this, $invokedOn, $selectedMenu);
                });
                
                return false;
            });

            //make sure menu closes on any click
            $(document).click(function () {
                $(settings.menuSelector).hide();
            });
        });

        function getLeftLocation(e) {
            var mouseWidth = e.pageX;
            var pageWidth = $(window).width();
            var menuWidth = $(settings.menuSelector).width();
            
            // opening menu would pass the side of the page
            if (mouseWidth + menuWidth > pageWidth &&
                menuWidth < mouseWidth) {
                return mouseWidth - menuWidth;
            } 
            return mouseWidth;
        }        
        
        function getTopLocation(e) {
            var mouseHeight = e.pageY;
            var pageHeight = $(window).height();
            var menuHeight = $(settings.menuSelector).height();

            // opening menu would pass the bottom of the page
            if (mouseHeight + menuHeight > pageHeight &&
                menuHeight < mouseHeight) {
  ...