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 })();