* Copyright (c) 1999-2017 Ephox Corp. All rights reserved

  editSelectElm : null,

  init : function () {

    var nl = document.getElementsByTagName("select"), i, d = document, o;

    for (i = 0; i < nl.length; i++) {

      if (nl[i].className.indexOf('mceEditableSelect') != -1) {

        o = new Option(tinyMCEPopup.editor.translate('value'), '__mce_add_custom__');

        o.className = 'mceAddSelectValue';

        nl[i].options[nl[i].options.length] = o;

        nl[i].onchange = TinyMCE_EditableSelects.onChangeEditableSelect;

      }

    }

  },

  onChangeEditableSelect : function (e) {

    var d = document, ne, se = window.event ? window.event.srcElement : e.target;

    if (se.options[se.selectedIndex].value == '__mce_add_custom__') {

      ne = d.createElement("input");

      ne.id = se.id + "_custom";

      ne.name = se.name + "_custom";

      ne.type = "text";

      ne.style.width = se.offsetWidth + 'px';

      se.parentNode.insertBefore(ne, se);

      se.style.display = 'none';

      ne.focus();

      ne.onblur = TinyMCE_EditableSelects.onBlurEditableSelectInput;

      ne.onkeydown = TinyMCE_EditableSelects.onKeyDown;

      TinyMCE_EditableSelects.editSelectElm = se;

    }

  },

  onBlurEditableSelectInput : function () {

    var se = TinyMCE_EditableSelects.editSelectElm;

    if (se) {

      if (se.previousSibling.value != '') {

        addSelectValue(document.forms[0], se.id, se.previousSibling.value, se.previousSibling.value);

        selectByValue(document.forms[0], se.id, se.previousSibling.value);

      } else {

        selectByValue(document.forms[0], se.id, '');

      }

      se.style.display = 'inline';

      se.parentNode.removeChild(se.previousSibling);

      TinyMCE_EditableSelects.editSelectElm = null;

    }

  },

  onKeyDown : function (e) {

    e = e || window.event;

    if (e.keyCode == 13) {

      TinyMCE_EditableSelects.onBlurEditableSelectInput();

    }

  }