src/main/webapp/manager/html/js/distpicker.js

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/*!
 * Distpicker v1.0.4
 * https://github.com/fengyuanchen/distpicker
 *
 * Copyright (c) 2014-2016 Fengyuan Chen
 * Released under the MIT license
 *
 * Date: 2016-06-01T15:05:52.606Z
 */

(function (factory) {
  if (typeof define === 'function' && define.amd) {
    // AMD. Register as anonymous module.
    define(['jquery', 'ChineseDistricts'], factory);
  } else if (typeof exports === 'object') {
    // Node / CommonJS
    factory(require('jquery'), require('ChineseDistricts'));
  } else {
    // Browser globals.
    factory(jQuery, ChineseDistricts);
  }
})(function ($, ChineseDistricts) {

  'use strict';

  if (typeof ChineseDistricts === 'undefined') {
    throw new Error('The file "distpicker.data.js" must be included first!');
  }

  var NAMESPACE = 'distpicker';
  var EVENT_CHANGE = 'change.' + NAMESPACE;
  var PROVINCE = 'province';
  var CIRY = 'city';
  var DISTRICT = 'district';

  function Distpicker(element, options) {
    this.$element = $(element);
    this.options = $.extend({}, Distpicker.DEFAULTS, $.isPlainObject(options) && options);
    this.placeholders = $.extend({}, Distpicker.DEFAULTS);
    this.active = false;
    this.init();
  }

  Distpicker.prototype = {
    constructor: Distpicker,

    init: function () {
      var options = this.options;
      var $select = this.$element.find('select');
      var length = $select.length;
      var data = {};

      $select.each(function () {
        $.extend(data, $(this).data());
      });

      $.each([PROVINCE, CIRY, DISTRICT], $.proxy(function (i, type) {
        if (data[type]) {
          options[type] = data[type];
          this['$' + type] = $select.filter('[data-' + type + ']');