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133 lines
3.3 KiB
133 lines
3.3 KiB
/* ------------------------------------------------------------ *\
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|* ------------------------------------------------------------ *|
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|* classie.js
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|* https://github.com/desandro/classie/blob/master/classie.js
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|* ------------------------------------------------------------ *|
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\* ------------------------------------------------------------ */
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( function( window ) {
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'use strict';
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// class helper functions from bonzo https://github.com/ded/bonzo
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function classReg( className ) {
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return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
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}
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// classList support for class management
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// altho to be fair, the api sucks because it won't accept multiple classes at once
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var hasClass, addClass, removeClass;
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if ( 'classList' in document.documentElement ) {
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hasClass = function( elem, c ) {
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return elem.classList.contains( c );
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};
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addClass = function( elem, c ) {
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elem.classList.add( c );
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};
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removeClass = function( elem, c ) {
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elem.classList.remove( c );
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};
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}
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else {
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hasClass = function( elem, c ) {
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return classReg( c ).test( elem.className );
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};
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addClass = function( elem, c ) {
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if ( !hasClass( elem, c ) ) {
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elem.className = elem.className + ' ' + c;
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}
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};
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removeClass = function( elem, c ) {
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elem.className = elem.className.replace( classReg( c ), ' ' );
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};
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}
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function toggleClass( elem, c ) {
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var fn = hasClass( elem, c ) ? removeClass : addClass;
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fn( elem, c );
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}
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var classie = {
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// full names
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hasClass: hasClass,
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addClass: addClass,
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removeClass: removeClass,
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toggleClass: toggleClass,
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// short names
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has: hasClass,
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add: addClass,
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remove: removeClass,
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toggle: toggleClass
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};
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// transport
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if ( typeof define === 'function' && define.amd ) {
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// AMD
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define( classie );
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} else {
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// browser global
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window.classie = classie;
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}
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})( window );
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/* ------------------------------------------------------------ *\
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|* ------------------------------------------------------------ *|
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|* Functionality for adding/removing classes
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|* ------------------------------------------------------------ *|
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\* ------------------------------------------------------------ */
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(function(window){
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// check for touch
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if (Modernizr.touch) {
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// run the forEach on each figure element
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[].slice.call(document.querySelectorAll("figure")).forEach(function(el,i){
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// get close-caption button in variable
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var closeCaption = el.querySelector(".close-caption");
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// show the close-caption button
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classie.remove(closeCaption,"hidden");
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// check if the user moves a finger
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var fingerMove = false;
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el.addEventListener("touchmove",function(e){
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e.stopPropagation();
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fingerMove = true;
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});
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// always reset fingerMove to false on touch start
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el.addEventListener("touchstart",function(e){
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e.stopPropagation();
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fingerMove = false;
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});
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// add hover class if figure touchend and fingerMove is false
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el.addEventListener("touchend",function(e){
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e.stopPropagation();
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if (fingerMove == false) {
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classie.add(el,"hover");
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}
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});
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// if close-caption button clicked, remove hover class
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closeCaption.addEventListener("touchend",function(e){
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e.preventDefault();
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e.stopPropagation();
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if (fingerMove == false) {
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if (classie.has(el,"hover")) {
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classie.remove(el,"hover");
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}
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}
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});
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});
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}
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})(window); |