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   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]:not(iframe)');
  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  })();