wp-includes/js/tinymce/plugins/tabfocus/editor_plugin_src.js

   1 /**
   2  * editor_plugin_src.js
   3  *
   4  * Copyright 2009, Moxiecode Systems AB
   5  * Released under LGPL License.
   6  *
   7  * License: http://tinymce.moxiecode.com/license
   8  * Contributing: http://tinymce.moxiecode.com/contributing
   9  */
  10
  11 (function() {
  12         var DOM = tinymce.DOM, Event = tinymce.dom.Event, each = tinymce.each, explode = tinymce.explode;
  13
  14         tinymce.create('tinymce.plugins.TabFocusPlugin', {
  15                 init : function(ed, url) {
  16                         function tabCancel(ed, e) {
  17                                 if (e.keyCode === 9)
  18                                         return Event.cancel(e);
  19                         }
  20
  21                         function tabHandler(ed, e) {
  22                                 var x, i, f, el, v;
  23
  24                                 function find(d) {
  25                                         el = DOM.select(':input:enabled,*[tabindex]');
  26
  27                                         function canSelectRecursive(e) {
  28                                                 return e.nodeName==="BODY" || (e.type != 'hidden' &&
  29                                                         !(e.style.display == "none") &&
  30                                                         !(e.style.visibility == "hidden") && canSelectRecursive(e.parentNode));
  31                                         }
  32                                         function canSelectInOldIe(el) {
  33                                                 return el.attributes["tabIndex"].specified || el.nodeName == "INPUT" || el.nodeName == "TEXTAREA";
  34                                         }
  35                                         function isOldIe() {
  36                                                 return tinymce.isIE6 || tinymce.isIE7;
  37                                         }
  38                                         function canSelect(el) {
  39                                                 return ((!isOldIe() || canSelectInOldIe(el))) && el.getAttribute("tabindex") != '-1' && canSelectRecursive(el);
  40                                         }
  41
  42                                         each(el, function(e, i) {
  43                                                 if (e.id == ed.id) {
  44                                                         x = i;
  45                                                         return false;
  46                                                 }
  47                                         });
  48                                         if (d > 0) {
  49                                                 for (i = x + 1; i < el.length; i++) {
  50                                                         if (canSelect(el[i]))
  51                                                                 return el[i];
  52                                                 }
  53                                         } else {
  54                                                 for (i = x - 1; i >= 0; i--) {
  55                                                         if (canSelect(el[i]))
  56                                                                 return el[i];
  57                                                 }
  58                                         }
  59
  60                                         return null;
  61                                 }
  62
  63                                 if (e.keyCode === 9) {
  64                                         v = explode(ed.getParam('tab_focus', ed.getParam('tabfocus_elements', ':prev,:next')));
  65
  66                                         if (v.length == 1) {
  67                                                 v[1] = v[0];
  68                                                 v[0] = ':prev';
  69                                         }
  70
  71                                         // Find element to focus
  72                                         if (e.shiftKey) {
  73                                                 if (v[0] == ':prev')
  74                                                         el = find(-1);
  75                                                 else
  76                                                         el = DOM.get(v[0]);
  77                                         } else {
  78                                                 if (v[1] == ':next')
  79                                                         el = find(1);
  80                                                 else
  81                                                         el = DOM.get(v[1]);
  82                                         }
  83
  84                                         if (el) {
  85                                                 if (el.id && (ed = tinymce.get(el.id || el.name)))
  86                                                         ed.focus();
  87                                                 else
  88                                                         window.setTimeout(function() {
  89                                                                 if (!tinymce.isWebKit)
  90                                                                         window.focus();
  91                                                                 el.focus();
  92                                                         }, 10);
  93
  94                                                 return Event.cancel(e);
  95                                         }
  96                                 }
  97                         }
  98
  99                         ed.onKeyUp.add(tabCancel);
 100
 101                         if (tinymce.isGecko) {
 102                                 ed.onKeyPress.add(tabHandler);
 103                                 ed.onKeyDown.add(tabCancel);
 104                         } else
 105                                 ed.onKeyDown.add(tabHandler);
 106
 107                 },
 108
 109                 getInfo : function() {
 110                         return {
 111                                 longname : 'Tabfocus',
 112                                 author : 'Moxiecode Systems AB',
 113                                 authorurl : 'http://tinymce.moxiecode.com',
 114                                 infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/tabfocus',
 115                                 version : tinymce.majorVersion + "." + tinymce.minorVersion
 116                         };
 117                 }
 118         });
 119
 120         // Register plugin
 121         tinymce.PluginManager.add('tabfocus', tinymce.plugins.TabFocusPlugin);
 122 })();