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New option for resetting timers #149

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40 changes: 27 additions & 13 deletions bootstrap-hover-dropdown.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
* License: MIT
* Homepage: http://cameronspear.com/blog/bootstrap-dropdown-on-hover-plugin/
*/
;(function ($, window, undefined) {
; (function ($, window, undefined) {
// outside the scope of the jQuery plugin to
// keep track of all dropdowns
var $allDropdowns = $();
Expand All @@ -19,7 +19,7 @@
$.fn.dropdownHover = function (options) {
// don't do anything if touch is supported
// (plugin causes some issues on mobile)
if('ontouchstart' in document) return this; // don't want to affect chaining
if ('ontouchstart' in document) return this; // don't want to affect chaining

// the element we really care about
// is the dropdown-toggle's parent
Expand All @@ -31,23 +31,25 @@
defaults = {
delay: 500,
hoverDelay: 0,
instantlyCloseOthers: true
instantlyCloseOthers: true,
extraHover: ""
},
data = {
delay: $(this).data('delay'),
hoverDelay: $(this).data('hover-delay'),
instantlyCloseOthers: $(this).data('close-others')
instantlyCloseOthers: $(this).data('close-others'),
extraHover: $(this).data('extra-hover')
},
showEvent = 'show.bs.dropdown',
hideEvent = 'hide.bs.dropdown',
showEvent = 'show.bs.dropdown',
hideEvent = 'hide.bs.dropdown',
// shownEvent = 'shown.bs.dropdown',
// hiddenEvent = 'hidden.bs.dropdown',
settings = $.extend(true, {}, defaults, options, data),
timeout, timeoutHover;

$parent.hover(function (event) {
// so a neighbor can't open the dropdown
if(!$parent.hasClass('open') && !$this.is(event.target)) {
if (!$parent.hasClass('open') && !$this.is(event.target)) {
// stop this event, stop executing any code
// in this callback but continue to propagate
return true;
Expand All @@ -68,7 +70,7 @@
$this.hover(function (event) {
// this helps prevent a double event from firing.
// see https://github.com/CWSpear/bootstrap-hover-dropdown/issues/55
if(!$parent.hasClass('open') && !$parent.is(event.target)) {
if (!$parent.hasClass('open') && !$parent.is(event.target)) {
// stop this event, stop executing any code
// in this callback but continue to propagate
return true;
Expand All @@ -77,8 +79,20 @@
openDropdown(event);
});

// reset timer on hovering extra hover elements
if (settings.extraHover.length > 0) {
$(settings.extraHover).hover(function () {
window.clearTimeout(timeout);
}, function () {
var $submenu = $this.children('.dropdown-menu');
timeout = window.setTimeout(function () {
$submenu.hide();
}, settings.delay);
});
}

// handle submenus
$parent.find('.dropdown-submenu').each(function (){
$parent.find('.dropdown-submenu').each(function () {
var $this = $(this);
var subTimeout;
$this.hover(function () {
Expand All @@ -95,7 +109,7 @@
});

function openDropdown(event) {
if($this.parents(".navbar").find(".navbar-toggle").is(":visible")) {
if ($this.parents(".navbar").find(".navbar-toggle").is(":visible")) {
// If we're inside a navbar, don't do anything when the
// navbar is collapsed, as it makes the navbar pretty unusable.
return;
Expand All @@ -105,14 +119,14 @@
window.clearTimeout(timeout);
// restart hover timer
window.clearTimeout(timeoutHover);

// delay for hover event.
timeoutHover = window.setTimeout(function () {
$allDropdowns.find(':focus').blur();

if(settings.instantlyCloseOthers === true)
if (settings.instantlyCloseOthers === true)
$allDropdowns.removeClass('open');

// clear timer for hover event
window.clearTimeout(timeoutHover);
$this.attr('aria-expanded', 'true');
Expand Down