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;
(function ($) {
$.getCSSValue = function (classname, property, pseudo) {
var pseudo = pseudo || null
, classReaplce = classname.replace('.', '')
, element = document.createElement('i');
element.className = classReaplce;
document.body.appendChild(element);
var value = getComputedStyle(
document.querySelector(classname), pseudo
).getPropertyValue(property);
document.body.removeChild(element);
return value.replace(/\"/g,'');
}
$.fn.chosenIcon = function (options) {
return this.each(function () {
var $select = $(this),
iconMap = {};
// 1. Retrieve icon class from data attribute and build object for each list item
$select.find('option').filter(function () {
return $(this).text();
}).each(function (i) {
var iconSrc = $(this).attr('data-icon');
iconMap[i] = $.trim(iconSrc);
});
// 2. Execute chosen plugin
$select.chosen(options);
// 2.1 add Class for specific styling
$chosen = $select.next().addClass('chosenIcon-container');
var chosenId = $($select.next()).attr('id');
// 3. add data in lis with icon name
$select.on('chosen:showing_dropdown chosen:activate', function () {
setTimeout(function () {
jQuery('#'+chosenId+' .chosen-results li').each(function (i) {
var iconClassName = iconMap[i];
var iconContent = $.getCSSValue('.' + iconClassName, 'content', ':before');
$(this).attr('data-icon', iconContent);
});
}, 0);
});
// 4. Change image on chosen selected element when form changes
$select.change(function (data) {
var iconClassName = ($select.find('option:selected').attr('data-icon'))
? $select.find('option:selected').attr('data-icon') : null;
if (iconClassName) {
var iconContent = $.getCSSValue('.' + iconClassName, 'content', ':before');
jQuery('#'+chosenId+' .chosen-single span').attr('data-icon', iconContent);
}
});
$select.trigger('change');
});
}
})(jQuery);