webcit/tiny_mce/plugins/wordcount/editor_plugin_src.js

   1 /**\r
   2  * editor_plugin_src.js\r
   3  *\r
   4  * Copyright 2009, Moxiecode Systems AB\r
   5  * Released under LGPL License.\r
   6  *\r
   7  * License: http://tinymce.moxiecode.com/license\r
   8  * Contributing: http://tinymce.moxiecode.com/contributing\r
   9  */\r
  10 \r
  11 (function() {\r
  12         tinymce.create('tinymce.plugins.WordCount', {\r
  13                 block : 0,\r
  14                 id : null,\r
  15                 countre : null,\r
  16                 cleanre : null,\r
  17 \r
  18                 init : function(ed, url) {\r
  19                         var t = this, last = 0, VK = tinymce.VK;\r
  20 \r
  21                         t.countre = ed.getParam('wordcount_countregex', /[\w\u2019\'-]+/g); // u2019 == &rsquo;\r
  22                         t.cleanre = ed.getParam('wordcount_cleanregex', /[0-9.(),;:!?%#$?\'\"_+=\\\/-]*/g);\r
  23                         t.update_rate = ed.getParam('wordcount_update_rate', 2000);\r
  24                         t.update_on_delete = ed.getParam('wordcount_update_on_delete', false);\r
  25                         t.id = ed.id + '-word-count';\r
  26 \r
  27                         ed.onPostRender.add(function(ed, cm) {\r
  28                                 var row, id;\r
  29 \r
  30                                 // Add it to the specified id or the theme advanced path\r
  31                                 id = ed.getParam('wordcount_target_id');\r
  32                                 if (!id) {\r
  33                                         row = tinymce.DOM.get(ed.id + '_path_row');\r
  34 \r
  35                                         if (row)\r
  36                                                 tinymce.DOM.add(row.parentNode, 'div', {'style': 'float: right'}, ed.getLang('wordcount.words', 'Words: ') + '<span id="' + t.id + '">0</span>');\r
  37                                 } else {\r
  38                                         tinymce.DOM.add(id, 'span', {}, '<span id="' + t.id + '">0</span>');\r
  39                                 }\r
  40                         });\r
  41 \r
  42                         ed.onInit.add(function(ed) {\r
  43                                 ed.selection.onSetContent.add(function() {\r
  44                                         t._count(ed);\r
  45                                 });\r
  46 \r
  47                                 t._count(ed);\r
  48                         });\r
  49 \r
  50                         ed.onSetContent.add(function(ed) {\r
  51                                 t._count(ed);\r
  52                         });\r
  53 \r
  54                         function checkKeys(key) {\r
  55                                 return key !== last && (key === VK.ENTER || last === VK.SPACEBAR || checkDelOrBksp(last));\r
  56                         }\r
  57 \r
  58                         function checkDelOrBksp(key) {\r
  59                                 return key === VK.DELETE || key === VK.BACKSPACE;\r
  60                         }\r
  61 \r
  62                         ed.onKeyUp.add(function(ed, e) {\r
  63                                 if (checkKeys(e.keyCode) || t.update_on_delete && checkDelOrBksp(e.keyCode)) {\r
  64                                         t._count(ed);\r
  65                                 }\r
  66 \r
  67                                 last = e.keyCode;\r
  68                         });\r
  69                 },\r
  70 \r
  71                 _getCount : function(ed) {\r
  72                         var tc = 0;\r
  73                         var tx = ed.getContent({ format: 'raw' });\r
  74 \r
  75                         if (tx) {\r
  76                                         tx = tx.replace(/\.\.\./g, ' '); // convert ellipses to spaces\r
  77                                         tx = tx.replace(/<.[^<>]*?>/g, ' ').replace(/&nbsp;|&#160;/gi, ' '); // remove html tags and space chars\r
  78 \r
  79                                         // deal with html entities\r
  80                                         tx = tx.replace(/(\w+)(&.+?;)+(\w+)/, "$1$3").replace(/&.+?;/g, ' ');\r
  81                                         tx = tx.replace(this.cleanre, ''); // remove numbers and punctuation\r
  82 \r
  83                                         var wordArray = tx.match(this.countre);\r
  84                                         if (wordArray) {\r
  85                                                         tc = wordArray.length;\r
  86                                         }\r
  87                         }\r
  88 \r
  89                         return tc;\r
  90                 },\r
  91 \r
  92                 _count : function(ed) {\r
  93                         var t = this;\r
  94 \r
  95                         // Keep multiple calls from happening at the same time\r
  96                         if (t.block)\r
  97                                 return;\r
  98 \r
  99                         t.block = 1;\r
 100 \r
 101                         setTimeout(function() {\r
 102                                 if (!ed.destroyed) {\r
 103                                         var tc = t._getCount(ed);\r
 104                                         tinymce.DOM.setHTML(t.id, tc.toString());\r
 105                                         setTimeout(function() {t.block = 0;}, t.update_rate);\r
 106                                 }\r
 107                         }, 1);\r
 108                 },\r
 109 \r
 110                 getInfo: function() {\r
 111                         return {\r
 112                                 longname : 'Word Count plugin',\r
 113                                 author : 'Moxiecode Systems AB',\r
 114                                 authorurl : 'http://tinymce.moxiecode.com',\r
 115                                 infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/wordcount',\r
 116                                 version : tinymce.majorVersion + "." + tinymce.minorVersion\r
 117                         };\r
 118                 }\r
 119         });\r
 120 \r
 121         tinymce.PluginManager.add('wordcount', tinymce.plugins.WordCount);\r
 122 })();\r