debian-mirror-gitlab/app/assets/javascripts/layout_nav.js
2016-09-29 09:46:39 +05:30

46 lines
1.4 KiB
JavaScript

(function() {
var hideEndFade;
hideEndFade = function($scrollingTabs) {
return $scrollingTabs.each(function() {
var $this;
$this = $(this);
return $this.siblings('.fade-right').toggleClass('scrolling', $this.width() < $this.prop('scrollWidth'));
});
};
$(function() {
var $scrollingTabs = $('.scrolling-tabs');
hideEndFade($scrollingTabs);
$(window).off('resize.nav').on('resize.nav', function() {
return hideEndFade($scrollingTabs);
});
$scrollingTabs.off('scroll').on('scroll', function(event) {
var $this, currentPosition, maxPosition;
$this = $(this);
currentPosition = $this.scrollLeft();
maxPosition = $this.prop('scrollWidth') - $this.outerWidth();
$this.siblings('.fade-left').toggleClass('scrolling', currentPosition > 0);
return $this.siblings('.fade-right').toggleClass('scrolling', currentPosition < maxPosition - 1);
});
$scrollingTabs.each(function () {
var $this = $(this),
scrollingTabWidth = $this.width(),
$active = $this.find('.active'),
activeWidth = $active.width();
if ($active.length) {
var offset = $active.offset().left + activeWidth;
if (offset > scrollingTabWidth - 30) {
var scrollLeft = scrollingTabWidth / 2;
scrollLeft = (offset - scrollLeft) - (activeWidth / 2);
$this.scrollLeft(scrollLeft);
}
}
});
});
}).call(this);