Select2.prototype._registerDomEvents = function()

in adminlte/html/plugins/select2/js/select2.full.js [5540:5594]

49 lines of code
6 McCabe index (conditional complexity)


  Select2.prototype._registerDomEvents = function () {
    var self = this;

    this.$element.on('change.select2', function () {
      self.dataAdapter.current(function (data) {
        self.trigger('selection:update', {
          data: data
        });
      });
    });

    this.$element.on('focus.select2', function (evt) {
      self.trigger('focus', evt);
    });

    this._syncA = Utils.bind(this._syncAttributes, this);
    this._syncS = Utils.bind(this._syncSubtree, this);

    if (this.$element[0].attachEvent) {
      this.$element[0].attachEvent('onpropertychange', this._syncA);
    }

    var observer = window.MutationObserver ||
      window.WebKitMutationObserver ||
      window.MozMutationObserver
    ;

    if (observer != null) {
      this._observer = new observer(function (mutations) {
        self._syncA();
        self._syncS(null, mutations);
      });
      this._observer.observe(this.$element[0], {
        attributes: true,
        childList: true,
        subtree: false
      });
    } else if (this.$element[0].addEventListener) {
      this.$element[0].addEventListener(
        'DOMAttrModified',
        self._syncA,
        false
      );
      this.$element[0].addEventListener(
        'DOMNodeInserted',
        self._syncS,
        false
      );
      this.$element[0].addEventListener(
        'DOMNodeRemoved',
        self._syncS,
        false
      );
    }
  };