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(function($) {
'use strict';
/**
* Search modal with Algolia
* @constructor
*/
var SearchModal = function() {
this.$openButton = $('.open-algolia-search');
this.$searchModal = $('#algolia-search-modal');
this.$closeButton = this.$searchModal.find('.close-button');
this.$searchForm = $('#algolia-search-form');
this.$searchInput = $('#algolia-search-input');
this.$results = this.$searchModal.find('.results');
this.$noResults = this.$searchModal.find('.no-result');
this.$resultsCount = this.$searchModal.find('.results-count');
this.algolia = algoliaIndex;
};
SearchModal.prototype = {
/**
* Run feature
* @returns {void}
*/
run: function() {
var self = this;
// open modal when open button is clicked
self.$openButton.click(function() {
self.open();
});
// open modal when `s` button is pressed
$(document).keyup(function(event) {
var target = event.target || event.srcElement;
// exit if user is focusing an input
if (target.tagName.toUpperCase() === 'INPUT') {
return;
}
if (event.keyCode === 83 && !self.$searchModal.is(':visible')) {
self.open();
}
});
// close button when overlay is clicked
self.$searchModal.click(function(e) {
if (e.target === this) {
self.close();
}
});
// close modal when close button is clicked
self.$closeButton.click(function() {
self.close();
});
// close modal when `ESC` button is pressed
$(document).keyup(function(e) {
if (e.keyCode === 27 && self.$searchModal.is(':visible')) {
self.close();
}
});
// send search when form is submitted
self.$searchForm.submit(function(event) {
event.preventDefault();
self.search(self.$searchInput.val());
});
},
/**
* Open search modal and display overlay
* @returns {void}
*/
open: function() {
this.showSearchModal();
this.showOverlay();
this.$searchInput.focus();
},
/**
* Close search modal and overlay
* @returns {void}
*/
close: function() {
this.hideSearchModal();
this.hideOverlay();
this.$searchInput.blur();
},
/**
* Search with Algolia API and display results
* @param {String} search
* @returns {void}
*/
search: function(search) {
var self = this;
this.algolia.search(search, function(err, content) {
if (!err) {
self.showResults(content.hits);
self.showResultsCount(content.nbHits);
}
});
},
/**
* Display results
* @param {Array} posts
* @returns {void}
*/
showResults: function(posts) {
var html = '';
posts.forEach(function(post) {
var lang = window.navigator.userLanguage || window.navigator.language || post.lang;
html += '<div class="media">';
if (post.thumbnailImageUrl) {
html += '<div class="media-left">';
html += '<a class="link-unstyled" href="' + (post.link || post.permalink) + '">';
html += '<img class="media-image" ' +
'src="' + post.thumbnailImageUrl + '" ' +
'width="90" height="90"/>';
html += '</a>';
html += '</div>';
}
html += '<div class="media-body">';
html += '<a class="link-unstyled" href="' + (post.link || post.permalink) + '">';
html += '<h3 class="media-heading">' + post.title + '</h3>';
html += '</a>';
html += '<span class="media-meta">';
html += '<span class="media-date text-small">';
html += moment(post.date).locale(lang).format('ll');
html += '</span>';
html += '</span>';
html += '<div class="media-content hide-xs font-merryweather">' + post.excerpt + '</div>';
html += '</div>';
html += '<div style="clear:both;"></div>';
html += '<hr>';
html += '</div>';
});
this.$results.html(html);
},
/**
* Show search modal
* @returns {void}
*/
showSearchModal: function() {
this.$searchModal.fadeIn();
},
/**
* Hide search modal
* @returns {void}
*/
hideSearchModal: function() {
this.$searchModal.fadeOut();
},
/**
* Display messages and counts of results
* @param {Number} count
* @returns {void}
*/
showResultsCount: function(count) {
var string = '';
if (count < 1) {
string = this.$resultsCount.data('message-zero');
this.$noResults.show();
}
else if (count === 1) {
string = this.$resultsCount.data('message-one');
this.$noResults.hide();
}
else if (count > 1) {
string = this.$resultsCount.data('message-other').replace(/\{n\}/, count);
this.$noResults.hide();
}
this.$resultsCount.html(string);
},
/**
* Show overlay
* @returns {void}
*/
showOverlay: function() {
$('body').append('<div class="overlay"></div>');
$('.overlay').fadeIn();
$('body').css('overflow', 'hidden');
},
/**
* Hide overlay
* @returns {void}
*/
hideOverlay: function() {
$('.overlay').fadeOut(function() {
$(this).remove();
$('body').css('overflow', 'auto');
});
}
};
$(document).ready(function() {
// launch feature only if there is an Algolia index available
if (typeof algoliaIndex !== 'undefined') {
var searchModal = new SearchModal();
searchModal.run();
}
});
})(jQuery);
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