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// =============================================================================
// JS/SRC/SITE/INC/X-BODY-SCROLLSPY.JS
// -----------------------------------------------------------------------------
// A modified version of the Bootstrap ScrollSpy plugin. More information can
// be found here: http://getbootstrap.com/javascript/#scrollspy
// =============================================================================
// =============================================================================
// TABLE OF CONTENTS
// -----------------------------------------------------------------------------
// 01. ScrollSpy Plugin
// 02. Setup ScrollSpy Functionality
// =============================================================================
// ScrollSpy Plugin
// =============================================================================
+function ($) { "use strict";
// SCROLLSPY CLASS DEFINITION
// ==========================
function ScrollSpy(element, options) {
var href
var process = $.proxy(this.process, this)
this.$element = $(element).is('body') ? $(window) : $(element)
this.$body = $('body')
this.$scrollElement = this.$element.on('scroll.bs.scroll-spy.data-api', process)
this.options = $.extend({}, ScrollSpy.DEFAULTS, options)
this.selector = (this.options.target
|| ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
|| '') + ' .x-nav li > a'
this.offsets = $([])
this.targets = $([])
this.activeTarget = null
this.refresh()
this.process()
}
ScrollSpy.DEFAULTS = {
offset: 10
}
ScrollSpy.prototype.refresh = function () {
var offsetMethod = this.$element[0] == window ? 'offset' : 'position'
this.offsets = $([])
this.targets = $([])
var self = this
var $targets = this.$body
.find(this.selector)
.map(function () {
var $el = $(this)
var href = $el.data('target') || $el.attr('href')
var $href = /^#\w/.test(href) && $(href)
return ($href
&& $href.length
&& [[ $href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]]) || null
})
.sort(function (a, b) { return a[0] - b[0] })
.each(function () {
self.offsets.push(this[0])
self.targets.push(this[1])
})
}
ScrollSpy.prototype.process = function () {
var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
var scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
var maxScroll = scrollHeight - this.$scrollElement.height()
var offsets = this.offsets
var targets = this.targets
var activeTarget = this.activeTarget
var i
if (scrollTop >= maxScroll) {
return activeTarget != (i = targets.last()[0]) && this.activate(i)
}
for (i = offsets.length; i--;) {
activeTarget != targets[i]
&& scrollTop >= offsets[i]
&& (!offsets[i + 1] || scrollTop <= offsets[i + 1])
&& this.activate( targets[i] )
}
}
ScrollSpy.prototype.activate = function (target) {
this.activeTarget = target
$(this.selector)
.parents('.current-menu-item')
.removeClass('current-menu-item')
var selector = this.selector
+ '[data-target="' + target + '"],'
+ this.selector + '[href="' + target + '"]'
var active = $(selector)
.parents('li')
.addClass('current-menu-item')
if (active.parent('.dropdown-menu').length) {
active = active
.closest('li.dropdown')
.addClass('current-menu-item')
}
active.trigger('activate.bs.scrollspy')
}
// SCROLLSPY PLUGIN DEFINITION
// ===========================
var old = $.fn.scrollspy
$.fn.scrollspy = function (option) {
return this.each(function () {
var $this = $(this)
var data = $this.data('bs.scrollspy')
var options = typeof option == 'object' && option
if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options)))
if (typeof option == 'string') data[option]()
})
}
$.fn.scrollspy.Constructor = ScrollSpy
// SCROLLSPY NO CONFLICT
// =====================
$.fn.scrollspy.noConflict = function () {
$.fn.scrollspy = old
return this
}
// SCROLLSPY DATA-API
// ==================
$(window).on('load', function () {
$('[data-spy="scroll"]').each(function () {
var $spy = $(this)
$spy.scrollspy($spy.data())
})
})
}(jQuery);
// Setup ScrollSpy Functionality
// =============================================================================
jQuery(document).ready(function($) {
var $body = $('body');
var bodyHeight = $body.outerHeight();
var adminbarHeight = $('#wpadminbar').outerHeight();
var navbarFixedTopHeight = $('.x-navbar-fixed-top-active .x-navbar').outerHeight();
var locHref = location.href;
var locHashIndex = locHref.indexOf('#');
var locHash = locHref.substr(locHashIndex);
var dragging = false;
$body.on('touchmove', function() {
dragging = true;
} );
$body.on('touchstart', function() {
dragging = false;
} );
//
// Calculate the offset height for various elements and remove it from
// the element's top offset so that fixed elements don't cover it up.
//
function animateOffset( element, ms, easing ) {
$('html, body').animate({
scrollTop: $(element).offset().top - adminbarHeight - navbarFixedTopHeight + 1
}, ms, easing);
}
//
// Page load offset (if necessary).
//
$(window).load(function() {
if ( locHashIndex !== -1 && $(locHash).length ) {
animateOffset(locHash, 1, 'linear');
}
});
//
// Scroll trigger.
//
$('a[href*="#"]').on('touchend click', function(e) {
href = $(this).attr('href');
notComments = href.indexOf('#comments') === -1;
if ( href !== '#' && notComments ) {
var theId = href.split('#').pop();
var $el = $('#' + theId);
if ( $el.length > 0 ) {
e.preventDefault();
if (dragging) {
return;
}
animateOffset($el, 850, 'easeInOutExpo');
}
}
});
//
// Initialize scrollspy.
//
if ( $body.hasClass('x-one-page-navigation-active') ) {
$body.scrollspy({
target : '.x-nav-wrap.desktop',
offset : adminbarHeight + navbarFixedTopHeight
});
//
// Refresh scrollspy as needed.
//
$(window).resize(function() {
$body.scrollspy('refresh');
});
var timesRun = 0;
var interval = setInterval(function() {
timesRun += 1;
var newBodyHeight = $body.outerHeight();
if ( newBodyHeight !== bodyHeight ) {
$body.scrollspy('refresh');
}
if ( timesRun === 10 ) {
clearInterval(interval);
}
}, 500);
}
});