Created
January 31, 2016 16:35
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main.js file
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(function($){ | |
$(document).ready(function() | |
{ | |
// avia_header_size function initialization | |
avia_header_size(); | |
}); | |
// required auxiliary function for avia_header_size | |
function av_change_class($element, change_method, class_name) | |
{ | |
if($element[0].classList) | |
{ | |
if(change_method == "add") | |
{ | |
$element[0].classList.add(class_name); | |
} | |
else | |
{ | |
$element[0].classList.remove(class_name); | |
} | |
} | |
else | |
{ | |
if(change_method == "add") | |
{ | |
$element.addClass(class_name); | |
} | |
else | |
{ | |
$element.removeClass(class_name); | |
} | |
} | |
} | |
// custom avia_header_size | |
function avia_header_size() | |
{ | |
var win = $(window), | |
header = $('.html_header_top.html_header_sticky #header'), | |
unsticktop = $('.av_header_unstick_top'); | |
if(!header.length && !unsticktop.length) return; | |
var logo = $('#header_main .container .logo img, #header_main .container .logo a'), | |
elements = $('#header_main .container:not(#header_main_alternate>.container), #header_main .main_menu ul:first-child > li > a:not(.avia_mega_div a, #header_main_alternate a), #header_main #menu-item-shop .cart_dropdown_link'), | |
el_height = $(elements).filter(':first').height(), | |
isMobile = $.avia_utilities.isMobile, | |
scroll_top = $('#scroll-top-link'), | |
transparent = header.is('.av_header_transparency'), | |
shrinking = header.is('.av_header_shrinking'), | |
topbar_height = header.find('#header_meta').outerHeight(), | |
set_height = function() | |
{ | |
var st = win.scrollTop(), newH = 0, st_real = st; | |
if(unsticktop) st -= topbar_height; | |
if(st < 0) st = 0; | |
if(shrinking) // in the original one, there's a !isMobile here | |
{ | |
if(st < el_height/2) | |
{ | |
newH = el_height - st; | |
if(st <= 0){ | |
newH = el_height; | |
} | |
av_change_class(header, 'remove', 'header-scrolled'); | |
//header.removeClass('header-scrolled'); | |
} | |
else | |
{ | |
newH = el_height/2; | |
//header.addClass('header-scrolled'); | |
av_change_class(header, 'add', 'header-scrolled'); | |
} | |
if(st - 30 < el_height) | |
{ | |
av_change_class(header, 'remove', 'header-scrolled-full'); | |
} | |
else | |
{ | |
av_change_class(header, 'add', 'header-scrolled-full'); | |
} | |
elements.css({'height': newH + 'px', 'lineHeight': newH + 'px'}); | |
logo.css({'maxHeight': newH + 'px'}); | |
} | |
if(unsticktop.length) | |
{ | |
if( st <= 0) | |
{ | |
if(st_real <= 0) st_real = 0; | |
unsticktop.css({"margin-top":"-"+st_real+"px"}); | |
} | |
else | |
{ | |
unsticktop.css({"margin-top":"-"+topbar_height+"px"}); | |
} | |
} | |
if(transparent) | |
{ | |
if(st > 50) | |
{ | |
//header.removeClass('av_header_transparency'); | |
av_change_class(header, 'remove', 'av_header_transparency'); | |
} | |
else | |
{ | |
//header.addClass('av_header_transparency'); | |
av_change_class(header, 'add', 'av_header_transparency'); | |
} | |
} | |
} | |
if($('body').is('.avia_deactivate_menu_resize')) shrinking = false; | |
if(!transparent && !shrinking && !unsticktop.length) return; | |
win.on( 'debouncedresize', function(){ el_height = $(elements).attr('style',"").filter(':first').height(); set_height(); } ); | |
win.on( 'scroll', function(){ window.requestAnimationFrame( set_height )} ); | |
set_height(); | |
} | |
})(jQuery); |
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