53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
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/**
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* main.js
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* http://www.codrops.com
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*
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* Licensed under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Copyright 2016, Codrops
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* http://www.codrops.com
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*/
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;(function(window) {
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'use strict';
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var openCtrl = document.getElementById('btn-search'),
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closeCtrl = document.getElementById('btn-search-close'),
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searchContainer = document.querySelector('.search'),
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inputSearch = searchContainer.querySelector('.search__input'),
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lastFocusedElement;
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function init() {
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initEvents();
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}
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function initEvents() {
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openCtrl.addEventListener('click', openSearch);
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closeCtrl.addEventListener('click', closeSearch);
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document.addEventListener('keyup', function(ev) {
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// escape key.
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if( ev.keyCode == 27 ) {
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closeSearch();
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}
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});
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}
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function openSearch() {
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lastFocusedElement = document.activeElement;
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searchContainer.classList.add('search--open');
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inputSearch.focus();
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}
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function closeSearch() {
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searchContainer.classList.remove('search--open');
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inputSearch.blur();
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inputSearch.value = '';
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if (lastFocusedElement) { // restore focus
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lastFocusedElement.focus();
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}
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}
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init();
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})(window);
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