component.js

import Ember from 'ember';

export default Ember.Component.extend(Ember.SortableMixin, {
  sortProperties: ['label'],
  sortAscending: true,

  filterTerm: '',
  filterProperty: 'label',

  filteredItems: function() {
    var items = this.get('arrangedContent');
    // filter items
  }.property()
});