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;(function($) {

 	"use strict";

 	wp.customize.controlConstructor['sinatra-select'] = wp.customize.Control.extend({

		ready: function() {

			'use strict';

			var control = this;

			if ( control.params.is_select2 ) {

				// Init select2.
				control.container.find( '.sinatra-select-control' ).select2({
					placeholder: sinatra_customizer_localized.strings.selectCategory,
					allowClear: true,
				});

				// Populate select2 field.
				control.container.on( 'select2:opening', '.sinatra-select-control', function() {
					control.populate_select2();
					control.container.off( 'select2:opening', '.sinatra-select-control' );
				});

				control.container.on( 'select2:select select2:unselect select2:clear', '.sinatra-select-control', function() {
					if ( ! $(this).val() ) {
						control.setting.set([]);
					}
				});
			}

		},

		// Populate select2.
		populate_select2: function(e) {

			var self     = this,
				options  = '',
				selected = '',
				setting  = self.setting.get();

			if ( '' === setting['font-family'] ) {
				selected = ' selected="selected"';
			}

			$.each( self.params.choices, function( id, name ){

				selected = '';

				if ( setting && self.params.multiple && -1 !== setting.indexOf( id ) || ! self.params.multiple && id === setting ) {
					selected = ' selected="selected"';
				}

				options += '<option value="' + id + '"' + selected + '>' + name + '</option>';
			});

			self.container.find( '.sinatra-select-control' ).html( options );
		}

	});

})(jQuery);