ember-select.js

var get = Ember.get, set = Ember.set, computed = Ember.computed, defineProperty = Ember.defineProperty, observer = Ember.observer;

Ember.Select.reopen({
  optionDisabledPath: null
});

Ember.SelectOption.reopen({
  attributeBindings: ['disabled'],

  init: function() {
    this.disabledPathDidChange();

    this._super();
  },

  disabledPathDidChange: observer('parentView.optionDisabledPath', function() {
    var disabledPath = get(this, 'parentView.optionDisabledPath');

    if (!disabledPath) { return; }

    defineProperty(this, 'disabled', computed(function() {
      return get(this, disabledPath);
    }).property(disabledPath));
  })
});