mirror of
https://github.com/ryanoasis/nerd-fonts.git
synced 2024-12-19 20:12:52 +02:00
96 lines
2.9 KiB
JavaScript
96 lines
2.9 KiB
JavaScript
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$.extend($.easing,
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{
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def: 'easeOutQuad',
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easeInOutExpo: function (x, t, b, c, d) {
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if (t==0) return b;
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if (t==d) return b+c;
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if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
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return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
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}
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});
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(function( $ ) {
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var settings;
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var disableScrollFn = false;
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var navItems;
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var navs = {}, sections = {};
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$.fn.navScroller = function(options) {
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settings = $.extend({
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scrollToOffset: 170,
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scrollSpeed: 800,
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activateParentNode: true,
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}, options );
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navItems = this;
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//attatch click listeners
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navItems.on('click', function(event){
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event.preventDefault();
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var navID = $(this).attr("href").substring(1);
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disableScrollFn = true;
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activateNav(navID);
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populateDestinations(); //recalculate these!
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$('html,body').animate({scrollTop: sections[navID] - settings.scrollToOffset},
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settings.scrollSpeed, "easeInOutExpo", function(){
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disableScrollFn = false;
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}
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);
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});
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//populate lookup of clicable elements and destination sections
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populateDestinations(); //should also be run on browser resize, btw
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// setup scroll listener
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$(document).scroll(function(){
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if (disableScrollFn) { return; }
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var page_height = $(window).height();
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var pos = $(this).scrollTop();
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for (i in sections) {
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if ((pos + settings.scrollToOffset >= sections[i]) && sections[i] < pos + page_height){
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activateNav(i);
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}
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}
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});
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};
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function populateDestinations() {
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navItems.each(function(){
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var scrollID = $(this).attr('href').substring(1);
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navs[scrollID] = (settings.activateParentNode)? this.parentNode : this;
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sections[scrollID] = $(document.getElementById(scrollID)).offset().top;
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});
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}
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function activateNav(navID) {
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for (nav in navs) { $(navs[nav]).removeClass('active'); }
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$(navs[navID]).addClass('active');
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}
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})( jQuery );
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$(document).ready(function (){
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$('nav li a').navScroller();
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//section divider icon click gently scrolls to reveal the section
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$(".sectiondivider").on('click', function(event) {
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$('html,body').animate({scrollTop: $(event.target.parentNode).offset().top - 50}, 400, "linear");
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});
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//links going to other sections nicely scroll
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$(".container a").each(function(){
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if ($(this).attr("href").charAt(0) == '#'){
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$(this).on('click', function(event) {
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event.preventDefault();
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var target = $(event.target).closest("a");
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var targetHight = $(target.attr("href")).offset().top
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$('html,body').animate({scrollTop: targetHight - 170}, 800, "easeInOutExpo");
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});
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}
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});
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});
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