mirror of https://github.com/status-im/codimd.git
87 lines
2.2 KiB
JavaScript
Executable File
87 lines
2.2 KiB
JavaScript
Executable File
/*
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* Showup.js jQuery Plugin
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* http://github.com/jonschlinkert/showup
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*
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* Copyright (c) 2013 Jon Schlinkert, contributors
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* Licensed under the MIT License (MIT).
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*/
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(function( $ ) {
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$.fn.showUp = function(ele, options) {
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options = options || {};
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var target = $(ele);
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var down = options.down || 'navbar-hide';
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var up = options.up || 'navbar-show';
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var btnHideShow = options.btnHideShow || '.btn-hide-show';
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var hideOffset = options.offset || 60;
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var previousScroll = 0;
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var isHide = false;
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$(window).scroll(function () {
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checkScrollTop();
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});
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$(window).resize(function () {
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checkScrollTop();
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});
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$(window).mousewheel(function () {
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checkScrollTop();
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});
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function checkScrollTop()
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{
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target.clearQueue();
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target.stop();
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var currentScroll = $(this).scrollTop();
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if (currentScroll > hideOffset && !target.hasClass('locked')) {
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if(Math.abs(previousScroll - currentScroll) < 50) return;
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if (currentScroll > previousScroll) {
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// Action on scroll down
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target.removeClass(up).addClass(down);
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} else if (currentScroll < previousScroll) {
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// Action on scroll up
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target.removeClass(down).addClass(up);
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}
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} else {
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target.removeClass(down).addClass(up);
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}
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previousScroll = $(this).scrollTop();
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}
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// Toggle visibility of target on click
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$(btnHideShow).click(function () {
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if (target.hasClass(down)) {
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target.removeClass(down).addClass(up);
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} else {
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target.removeClass(up).addClass(down);
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}
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});
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};
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})( jQuery );
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// TODO: make customizable
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$(document).ready(function () {
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var duration = 420;
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var showOffset = 220;
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var btnFixed = '.btn-fixed-bottom';
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var btnToTopClass = '.back-to-top';
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$(window).scroll(function () {
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if ($(this).scrollTop() > showOffset) {
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$(btnFixed).fadeIn(duration);
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} else {
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$(btnFixed).fadeOut(duration);
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}
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});
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$(btnToTopClass).click(function (event) {
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event.preventDefault();
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$('html, body').animate({
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scrollTop: 0
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}, duration);
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return false;
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});
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}); |