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(function ($) {
/**
* Helper class for header layout logic.
*
* @since 1.4.15
* @class PPHeaderLayout
*/
PPHeaderLayout = {
/**
* A reference to the window object for this page.
*
* @since 1.4.15
* @property {Object} win
*/
win: null,
/**
* A reference to the body object for this page.
*
* @since 1.4.15
* @property {Object} body
*/
body: null,
/**
* A reference to the header object for this page.
*
* @since 1.4.15
* @property {Object} header
*/
header: null,
/**
* Whether this header overlays the content or not.
*
* @since 1.4.15
* @property {Boolean} overlay
*/
overlay: false,
/**
* Whether the page has the WP admin bar or not.
*
* @since 1.4.15
* @property {Boolean} hasAdminBar
*/
hasAdminBar: false,
/**
* Initializes header layout logic.
*
* @since 1.4.15
* @method init
*/
init: function () {
var isEditMode = false,
header = $('.pp-elementor-header[data-type=header]');
if (elementorFrontend.isEditMode()) {
var isEditMode = true;
}
if (!isEditMode && header.length) {
header.imagesLoaded($.proxy(function () {
this.win = $(window);
this.body = $('body');
this.header = header.eq(0);
this.overlay = !!Number(header.attr('data-overlay'));
this.hasAdminBar = !!$('body.admin-bar').length;
if (Number(header.attr('data-sticky'))) {
this.header.data('original-top', this.header.offset().top);
//this.win.on( 'resize', $.throttle( 500, $.proxy( this._initSticky, this ) ) );
this._initSticky();
if (Number(header.attr('data-shrink'))) {
this.header.data('original-height', this.header.outerHeight());
//this.win.on( 'resize', $.throttle( 500, $.proxy( this._initShrink, this ) ) );
this._initShrink();
}
}
}, this));
}
},
/**
* Initializes sticky logic for a header.
*
* @since 1.4.15
* @access private
* @method _initSticky
*/
_initSticky: function () {
var breakpoint = this.header.data("breakpoint");
if (this._matchDevice(breakpoint)) {
this.win.on('scroll.pp-header-sticky', $.proxy(this._doSticky, this));
this._doSticky();
} else {
this.win.off('scroll.pp-header-sticky');
this.header.removeClass('pp-header-sticky');
this.body.css('padding-top', '0');
}
},
/**
* Matches the current device for set breakpoint.
*
* @since 1.4.15
* @access private
* @method _matchDevice
*/
_matchDevice: function (breakpoint) {
var breakpoints = elementorFrontend.config.breakpoints;
var match = false;
if ('all' === breakpoint) {
match = true;
} else if ('large' === breakpoint) {
match = window.innerWidth > breakpoints.md;
} else if ('large-medium' === breakpoint) {
match = window.innerWidth > breakpoints.sm;
} else if ('medium' === breakpoint) {
match = window.innerWidth > breakpoints.sm && window.innerWidth <= breakpoints.md;
} else if ('medium-responsive' === breakpoint) {
match = window.innerWidth <= breakpoints.md;
} else if ('responsive' === breakpoint) {
match = window.innerWidth <= breakpoints.sm;
}
return match;
},
/**
* Sticks the header when the page is scrolled.
*
* @since 1.4.15
* @access private
* @method _doSticky
*/
_doSticky: function () {
var winTop = this.win.scrollTop(),
headerTop = this.header.data('original-top'),
hasStickyClass = this.header.hasClass('pp-header-sticky'),
hasScrolledClass = this.header.hasClass('pp-header-scrolled');
if (this.hasAdminBar) {
winTop += 32;
}
if (winTop >= headerTop) {
if (!hasStickyClass) {
this.header.addClass('pp-header-sticky');
if (!this.overlay) {
this.body.css('padding-top', this.header.outerHeight() + 'px');
}
}
}
else if (hasStickyClass) {
this.header.removeClass('pp-header-sticky');
this.body.css('padding-top', '0');
}
if (winTop > headerTop) {
if (!hasScrolledClass) {
this.header.addClass('pp-header-scrolled');
}
} else if (hasScrolledClass) {
this.header.removeClass('pp-header-scrolled');
}
},
/**
* Initializes shrink logic for a header.
*
* @since 1.4.15
* @access private
* @method _initShrink
*/
_initShrink: function () {
//elementorBreakpoints = elementorFrontend.config.breakpoints
var breakpoint = this.header.data("breakpoint");
if (this._matchDevice(breakpoint)) {
this.win.on('scroll.pp-header-shrink', $.proxy(this._doShrink, this));
this._setImageMaxHeight();
} else {
this.body.css('padding-top', '0');
this.win.off('scroll.pp-header-shrink');
this._removeShrink();
this._removeImageMaxHeight();
}
},
/**
* Shrinks the header when the page is scrolled.
*
* @since 1.4.15
* @access private
* @method _doShrink
*/
_doShrink: function () {
var winTop = this.win.scrollTop(),
headerTop = this.header.data('original-top'),
headerHeight = this.header.data('original-height'),
hasClass = this.header.hasClass('pp-header-shrink');
if (this.hasAdminBar) {
winTop += 32;
}
if (winTop > headerTop + headerHeight) {
if (!hasClass) {
this.header.addClass('pp-header-shrink');
this.header.find('.elementor-section').each(function () {
var row = $(this);
if (parseInt(row.css('padding-bottom')) > 5) {
row.addClass('pp-header-shrink-row-bottom');
}
if (parseInt(row.css('padding-top')) > 5) {
row.addClass('pp-header-shrink-row-top');
}
});
this.header.find('.elementor-column-wrap').each(function () {
var module = $(this);
if (parseInt(module.css('margin-bottom')) > 5) {
module.addClass('pp-header-shrink-module-bottom');
}
if (parseInt(module.css('margin-top')) > 5) {
module.addClass('pp-header-shrink-module-top');
}
});
}
} else if (hasClass) {
this._removeShrink();
}
},
/**
* Removes the header shrink effect.
*
* @since 1.4.15
* @access private
* @method _removeShrink
*/
_removeShrink: function () {
var rows = this.header.find('.elementor-section'),
modules = this.header.find('.elementor-column-wrap');
rows.removeClass('pp-header-shrink-row-bottom');
rows.removeClass('pp-header-shrink-row-top');
modules.removeClass('pp-header-shrink-module-bottom');
modules.removeClass('pp-header-shrink-module-top');
this.header.removeClass('pp-header-shrink');
},
/**
* Adds max height to images in modules for smooth scrolling.
*
* @since 1.4.15
* @access private
* @method _setImageMaxHeight
*/
_setImageMaxHeight: function () {
var head = $('head'),
stylesId = 'pp-header-styles-' + this.header.data('header-id'),
styles = '',
images = this.header.find('.elementor-element img');
if ($('#' + stylesId).length) {
return;
}
images.each(function (i) {
var image = $(this),
height = image.height(),
node = image.closest('.elementor-element').data('id'),
className = 'elementor-element-' + node + '-img-' + i;
image.addClass(className);
image.attr('data-no-lazy', 1);
styles += '.' + className + ' { max-height: ' + height + 'px }';
});
if ('' !== styles) {
head.append('<style id="' + stylesId + '">' + styles + '</style>');
}
},
/**
* Removes max height on images in modules for smooth scrolling.
*
* @since 1.4.15
* @access private
* @method _removeImageMaxHeight
*/
_removeImageMaxHeight: function () {
$('#pp-header-styles-' + this.header.data('header-id')).remove();
},
};
$(function () { PPHeaderLayout.init(); });
})(jQuery);