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/** global: GLSR */ |
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;(function() { |
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'use strict'; |
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var Excerpts = function( el ) { // HTMLElement |
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this.init_( el || document ); |
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}; |
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Excerpts.prototype = { |
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config: { |
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hiddenClass: 'glsr-hidden', |
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hiddenTextSelector: '.glsr-hidden-text', |
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readMoreClass: 'glsr-read-more', |
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visibleClass: 'glsr-visible', |
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}, |
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/** @return void */ |
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createLinks_: function( el ) { // HTMLElement |
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var readMoreSpan = document.createElement( 'span' ); |
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var readmoreLink = document.createElement( 'a' ); |
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readmoreLink.setAttribute( 'href', '#' ); |
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readmoreLink.setAttribute( 'data-text', el.getAttribute( 'data-show-less' )); |
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readmoreLink.innerHTML = el.getAttribute( 'data-show-more' ); |
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readmoreLink.addEventListener( 'click', this.onClick_.bind( this )); |
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readMoreSpan.setAttribute( 'class', this.config.readMoreClass ); |
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readMoreSpan.appendChild( readmoreLink ); |
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el.parentNode.insertBefore( readMoreSpan, el.nextSibling ); |
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}, |
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/** @return void */ |
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onClick_: function( ev ) { // MouseEvent |
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ev.preventDefault(); |
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var el = ev.target; |
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var hiddenNode = el.parentNode.previousSibling; |
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var text = el.getAttribute( 'data-text' ); |
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hiddenNode.classList.toggle( this.config.hiddenClass ); |
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hiddenNode.classList.toggle( this.config.visibleClass ); |
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el.setAttribute( 'data-text', el.innerText ); |
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el.innerText = text; |
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}, |
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init_: function( el ) { // HTMLElement |
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var excerpts = el.querySelectorAll( this.config.hiddenTextSelector ); |
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for( var i = 0; i < excerpts.length; i++ ) { |
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this.createLinks_( excerpts[i] ); |
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} |
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}, |
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}; |
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GLSR.Excerpts = Excerpts; |
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})(); |
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pryley /
site-reviews
