1/**
  2 * editable_selects.js
  3 *
  4 * Released under LGPL License.
  5 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
  6 *
  7 * License: http://www.tinymce.com/license
  8 * Contributing: http://www.tinymce.com/contributing
  9 */
 10
 11var TinyMCE_EditableSelects = {
 12  editSelectElm : null,
 13
 14  init : function () {
 15    var nl = document.getElementsByTagName("select"), i, d = document, o;
 16
 17    for (i = 0; i < nl.length; i++) {
 18      if (nl[i].className.indexOf('mceEditableSelect') != -1) {
 19        o = new Option(tinyMCEPopup.editor.translate('value'), '__mce_add_custom__');
 20
 21        o.className = 'mceAddSelectValue';
 22
 23        nl[i].options[nl[i].options.length] = o;
 24        nl[i].onchange = TinyMCE_EditableSelects.onChangeEditableSelect;
 25      }
 26    }
 27  },
 28
 29  onChangeEditableSelect : function (e) {
 30    var d = document, ne, se = window.event ? window.event.srcElement : e.target;
 31
 32    if (se.options[se.selectedIndex].value == '__mce_add_custom__') {
 33      ne = d.createElement("input");
 34      ne.id = se.id + "_custom";
 35      ne.name = se.name + "_custom";
 36      ne.type = "text";
 37
 38      ne.style.width = se.offsetWidth + 'px';
 39      se.parentNode.insertBefore(ne, se);
 40      se.style.display = 'none';
 41      ne.focus();
 42      ne.onblur = TinyMCE_EditableSelects.onBlurEditableSelectInput;
 43      ne.onkeydown = TinyMCE_EditableSelects.onKeyDown;
 44      TinyMCE_EditableSelects.editSelectElm = se;
 45    }
 46  },
 47
 48  onBlurEditableSelectInput : function () {
 49    var se = TinyMCE_EditableSelects.editSelectElm;
 50
 51    if (se) {
 52      if (se.previousSibling.value != '') {
 53        addSelectValue(document.forms[0], se.id, se.previousSibling.value, se.previousSibling.value);
 54        selectByValue(document.forms[0], se.id, se.previousSibling.value);
 55      } else {
 56        selectByValue(document.forms[0], se.id, '');
 57      }
 58
 59      se.style.display = 'inline';
 60      se.parentNode.removeChild(se.previousSibling);
 61      TinyMCE_EditableSelects.editSelectElm = null;
 62    }
 63  },
 64
 65  onKeyDown : function (e) {
 66    e = e || window.event;
 67
 68    if (e.keyCode == 13) {
 69      TinyMCE_EditableSelects.onBlurEditableSelectInput();
 70    }
 71  }
 72};
 73