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31 lines
849 B
31 lines
849 B
$(document).ready(function () {
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var sections = $('div.section');
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var activeLink = null;
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var bottomHeightThreshold = $(document).height() - 30;
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$(window).scroll(function (event) {
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var distanceFromTop = $(this).scrollTop();
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var currentSection = null;
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if(distanceFromTop + window.innerHeight > bottomHeightThreshold) {
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currentSection = $(sections[sections.length - 1]);
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}
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else {
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sections.each(function () {
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var section = $(this);
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if (section.offset().top - 1 < distanceFromTop) {
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currentSection = section;
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}
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});
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}
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if (activeLink) {
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activeLink.parent().removeClass('active');
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}
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if (currentSection) {
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activeLink = $('.sphinxsidebar a[href="#' + currentSection.attr('id') + '"]');
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activeLink.parent().addClass('active');
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}
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});
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});
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