httemplate/elements/fckeditor/editor/plugins/autogrow/fckplugin.js

   1 /*\r
   2  * FCKeditor - The text editor for Internet - http://www.fckeditor.net\r
   3  * Copyright (C) 2003-2007 Frederico Caldeira Knabben\r
   4  *\r
   5  * == BEGIN LICENSE ==\r
   6  *\r
   7  * Licensed under the terms of any of the following licenses at your\r
   8  * choice:\r
   9  *\r
  10  *  - GNU General Public License Version 2 or later (the "GPL")\r
  11  *    http://www.gnu.org/licenses/gpl.html\r
  12  *\r
  13  *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")\r
  14  *    http://www.gnu.org/licenses/lgpl.html\r
  15  *\r
  16  *  - Mozilla Public License Version 1.1 or later (the "MPL")\r
  17  *    http://www.mozilla.org/MPL/MPL-1.1.html\r
  18  *\r
  19  * == END LICENSE ==\r
  20  *\r
  21  * Plugin: automatically resizes the editor until a configurable maximun\r
  22  * height (FCKConfig.AutoGrowMax), based on its contents.\r
  23  */\r
  24 \r
  25 var FCKAutoGrow_Min = window.frameElement.offsetHeight ;\r
  26 \r
  27 function FCKAutoGrow_Check()\r
  28 {\r
  29         var oInnerDoc = FCK.EditorDocument ;\r
  30 \r
  31         var iFrameHeight, iInnerHeight ;\r
  32 \r
  33         if ( FCKBrowserInfo.IsIE )\r
  34         {\r
  35                 iFrameHeight = FCK.EditorWindow.frameElement.offsetHeight ;\r
  36                 iInnerHeight = oInnerDoc.body.scrollHeight ;\r
  37         }\r
  38         else\r
  39         {\r
  40                 iFrameHeight = FCK.EditorWindow.innerHeight ;\r
  41                 iInnerHeight = oInnerDoc.body.offsetHeight ;\r
  42         }\r
  43 \r
  44         var iDiff = iInnerHeight - iFrameHeight ;\r
  45 \r
  46         if ( iDiff != 0 )\r
  47         {\r
  48                 var iMainFrameSize = window.frameElement.offsetHeight ;\r
  49 \r
  50                 if ( iDiff > 0 && iMainFrameSize < FCKConfig.AutoGrowMax )\r
  51                 {\r
  52                         iMainFrameSize += iDiff ;\r
  53                         if ( iMainFrameSize > FCKConfig.AutoGrowMax )\r
  54                                 iMainFrameSize = FCKConfig.AutoGrowMax ;\r
  55                 }\r
  56                 else if ( iDiff < 0 && iMainFrameSize > FCKAutoGrow_Min )\r
  57                 {\r
  58                         iMainFrameSize += iDiff ;\r
  59                         if ( iMainFrameSize < FCKAutoGrow_Min )\r
  60                                 iMainFrameSize = FCKAutoGrow_Min ;\r
  61                 }\r
  62                 else\r
  63                         return ;\r
  64 \r
  65                 window.frameElement.height = iMainFrameSize ;\r
  66         }\r
  67 }\r
  68 \r
  69 FCK.AttachToOnSelectionChange( FCKAutoGrow_Check ) ;\r
  70 \r
  71 function FCKAutoGrow_SetListeners()\r
  72 {\r
  73         if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )\r
  74                 return ;\r
  75 \r
  76         FCK.EditorWindow.attachEvent( 'onscroll', FCKAutoGrow_Check ) ;\r
  77         FCK.EditorDocument.attachEvent( 'onkeyup', FCKAutoGrow_Check ) ;\r
  78 }\r
  79 \r
  80 if ( FCKBrowserInfo.IsIE )\r
  81 {\r
  82 //      FCKAutoGrow_SetListeners() ;\r
  83         FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKAutoGrow_SetListeners ) ;\r
  84 }\r
  85 \r
  86 function FCKAutoGrow_CheckEditorStatus( sender, status )\r
  87 {\r
  88         if ( status == FCK_STATUS_COMPLETE )\r
  89                 FCKAutoGrow_Check() ;\r
  90 }\r
  91 \r
  92 FCK.Events.AttachEvent( 'OnStatusChange', FCKAutoGrow_CheckEditorStatus ) ;