Bootstrap/js/bootstrap-dropdown.js

/* ============================================================
 * bootstrap-dropdown.js
 * http://twitter.github.com/bootstrap/javascript.html#dropdown
 * ============================================================
 * Copyright 2011 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============================================================ */


(function( $ ){

  var selector = 'a.menu, .dropdown-toggle'

  function clearMenus() {
    $(selector).parent('li').removeClass('open')
  }

  $(function () {
    $('body').bind("click", clearMenus)
  })

  /* DROPDOWN PLUGIN DEFINITION
   * ========================== */

  $.fn.dropdown = function ( options ) {
    return this.each(function () {
      $(this).delegate(selector, 'click', function (e) {
        var li = $(this).parent('li')
          , isActive = li.hasClass('open')

        clearMenus()
        !isActive && li.toggleClass('open')
        return false
      })
    })
  }

})( jQuery || ender )