icingaweb2/public/js/icinga/behavior/dropdown.js

67 lines
1.9 KiB
JavaScript

/*! Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
;(function(Icinga, $) {
"use strict";
/**
* Toggle the CSS class active of the dropdown navigation item
*
* Called when the dropdown toggle has been activated via mouse or keyobard. This will expand/collpase the dropdown
* menu according to CSS.
*
* @param {object} e Event
*/
function setActive(e) {
$(this).parent().toggleClass('active');
}
/**
* Clear active state of the dropdown navigation item when the mouse leaves the navigation item
*
* @param {object} e Event
*/
function clearActive(e) {
$(this).removeClass('active');
}
/**
* Clear active state of the dropdown navigation item when the navigation items loses focus
*
* @param {object} e Event
*/
function clearFocus(e) {
var $dropdown = $(this);
// Timeout is required to wait for the next element in the DOM to receive focus
setTimeout(function() {
if (! $.contains($dropdown[0], document.activeElement)) {
$dropdown.removeClass('active');
}
}, 10);
}
Icinga.Behaviors = Icinga.Behaviors || {};
/**
* Behavior for dropdown navigation items
*
* The dropdown behavior listens for activity on dropdown navigation items for toggling the CSS class
* active on them. CSS is responsible for the expanded and collapsed state.
*
* @param {Icinga} icinga
*
* @constructor
*/
var Dropdown = function (icinga) {
Icinga.EventListener.call(this, icinga);
this.on('click', '.dropdown-nav-item > a', setActive, this);
this.on('mouseleave', '.dropdown-nav-item', clearActive, this);
this.on('focusout', '.dropdown-nav-item', clearFocus, this);
};
Dropdown.prototype = new Icinga.EventListener();
Icinga.Behaviors.Dropdown = Dropdown;
})(Icinga, jQuery);