4 * Released under LGPL License.
5 * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
7 * License: http://www.tinymce.com/license
8 * Contributing: http://www.tinymce.com/contributing
11 /*global tinymce:true */
13 tinymce.PluginManager.add('tabfocus', function(editor) {
14 var DOM = tinymce.DOM, each = tinymce.each, explode = tinymce.explode;
16 function tabCancel(e) {
17 if (e.keyCode === 9 && !e.ctrlKey && !e.altKey && !e.metaKey) {
22 function tabHandler(e) {
25 if (e.keyCode !== 9 || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) {
29 function find(direction) {
30 el = DOM.select(':input:enabled,*[tabindex]:not(iframe)');
32 function canSelectRecursive(e) {
33 return e.nodeName === "BODY" || (e.type != 'hidden' &&
34 e.style.display != "none" &&
35 e.style.visibility != "hidden" && canSelectRecursive(e.parentNode));
38 function canSelect(el) {
39 return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && tinymce.get(e.id) && el.tabIndex != -1 && canSelectRecursive(el);
42 each(el, function(e, i) {
43 if (e.id == editor.id) {
49 for (i = x + 1; i < el.length; i++) {
50 if (canSelect(el[i])) {
55 for (i = x - 1; i >= 0; i--) {
56 if (canSelect(el[i])) {
65 v = explode(editor.getParam('tab_focus', editor.getParam('tabfocus_elements', ':prev,:next')));
72 // Find element to focus
74 if (v[0] == ':prev') {
80 if (v[1] == ':next') {
88 var focusEditor = tinymce.get(el.id || el.name);
90 if (el.id && focusEditor) {
93 tinymce.util.Delay.setTimeout(function() {
94 if (!tinymce.Env.webkit) {
106 editor.on('init', function() {
108 // Remove default tabIndex in inline mode
109 tinymce.DOM.setAttrib(editor.getBody(), 'tabIndex', null);
112 editor.on('keyup', tabCancel);
114 if (tinymce.Env.gecko) {
115 editor.on('keypress keydown', tabHandler);
117 editor.on('keydown', tabHandler);