1(function () {
  2var tabfocus = (function (domGlobals) {
  3    'use strict';
  4
  5    var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
  6
  7    var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');
  8
  9    var global$2 = tinymce.util.Tools.resolve('tinymce.EditorManager');
 10
 11    var global$3 = tinymce.util.Tools.resolve('tinymce.Env');
 12
 13    var global$4 = tinymce.util.Tools.resolve('tinymce.util.Delay');
 14
 15    var global$5 = tinymce.util.Tools.resolve('tinymce.util.Tools');
 16
 17    var global$6 = tinymce.util.Tools.resolve('tinymce.util.VK');
 18
 19    var getTabFocusElements = function (editor) {
 20      return editor.getParam('tabfocus_elements', ':prev,:next');
 21    };
 22    var getTabFocus = function (editor) {
 23      return editor.getParam('tab_focus', getTabFocusElements(editor));
 24    };
 25    var Settings = { getTabFocus: getTabFocus };
 26
 27    var DOM = global$1.DOM;
 28    var tabCancel = function (e) {
 29      if (e.keyCode === global$6.TAB && !e.ctrlKey && !e.altKey && !e.metaKey) {
 30        e.preventDefault();
 31      }
 32    };
 33    var setup = function (editor) {
 34      function tabHandler(e) {
 35        var x, el, v, i;
 36        if (e.keyCode !== global$6.TAB || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) {
 37          return;
 38        }
 39        function find(direction) {
 40          el = DOM.select(':input:enabled,*[tabindex]:not(iframe)');
 41          function canSelectRecursive(e) {
 42            return e.nodeName === 'BODY' || e.type !== 'hidden' && e.style.display !== 'none' && e.style.visibility !== 'hidden' && canSelectRecursive(e.parentNode);
 43          }
 44          function canSelect(el) {
 45            return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && global$2.get(e.id) && el.tabIndex !== -1 && canSelectRecursive(el);
 46          }
 47          global$5.each(el, function (e, i) {
 48            if (e.id === editor.id) {
 49              x = i;
 50              return false;
 51            }
 52          });
 53          if (direction > 0) {
 54            for (i = x + 1; i < el.length; i++) {
 55              if (canSelect(el[i])) {
 56                return el[i];
 57              }
 58            }
 59          } else {
 60            for (i = x - 1; i >= 0; i--) {
 61              if (canSelect(el[i])) {
 62                return el[i];
 63              }
 64            }
 65          }
 66          return null;
 67        }
 68        v = global$5.explode(Settings.getTabFocus(editor));
 69        if (v.length === 1) {
 70          v[1] = v[0];
 71          v[0] = ':prev';
 72        }
 73        if (e.shiftKey) {
 74          if (v[0] === ':prev') {
 75            el = find(-1);
 76          } else {
 77            el = DOM.get(v[0]);
 78          }
 79        } else {
 80          if (v[1] === ':next') {
 81            el = find(1);
 82          } else {
 83            el = DOM.get(v[1]);
 84          }
 85        }
 86        if (el) {
 87          var focusEditor = global$2.get(el.id || el.name);
 88          if (el.id && focusEditor) {
 89            focusEditor.focus();
 90          } else {
 91            global$4.setTimeout(function () {
 92              if (!global$3.webkit) {
 93                domGlobals.window.focus();
 94              }
 95              el.focus();
 96            }, 10);
 97          }
 98          e.preventDefault();
 99        }
100      }
101      editor.on('init', function () {
102        if (editor.inline) {
103          DOM.setAttrib(editor.getBody(), 'tabIndex', null);
104        }
105        editor.on('keyup', tabCancel);
106        if (global$3.gecko) {
107          editor.on('keypress keydown', tabHandler);
108        } else {
109          editor.on('keydown', tabHandler);
110        }
111      });
112    };
113    var Keyboard = { setup: setup };
114
115    global.add('tabfocus', function (editor) {
116      Keyboard.setup(editor);
117    });
118    function Plugin () {
119    }
120
121    return Plugin;
122
123}(window));
124})();
125