2008-10-08 12:16:30 +02:00
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/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2008 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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* Plugin: automatically resizes the editor until a configurable maximun
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* height (FCKConfig.AutoGrowMax), based on its contents.
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*/
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var FCKAutoGrow_Min = window.frameElement.offsetHeight ;
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function FCKAutoGrow_Check()
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{
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var oInnerDoc = FCK.EditorDocument ;
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var iFrameHeight, iInnerHeight ;
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if ( FCKBrowserInfo.IsIE )
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{
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iFrameHeight = FCK.EditorWindow.frameElement.offsetHeight ;
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iInnerHeight = oInnerDoc.body.scrollHeight ;
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}
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else
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{
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iFrameHeight = FCK.EditorWindow.innerHeight ;
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iInnerHeight = oInnerDoc.body.offsetHeight ;
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}
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var iDiff = iInnerHeight - iFrameHeight ;
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if ( iDiff != 0 )
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{
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var iMainFrameSize = window.frameElement.offsetHeight ;
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if ( iDiff > 0 && iMainFrameSize < FCKConfig.AutoGrowMax )
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{
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iMainFrameSize += iDiff ;
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if ( iMainFrameSize > FCKConfig.AutoGrowMax )
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iMainFrameSize = FCKConfig.AutoGrowMax ;
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}
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else if ( iDiff < 0 && iMainFrameSize > FCKAutoGrow_Min )
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{
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iMainFrameSize += iDiff ;
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if ( iMainFrameSize < FCKAutoGrow_Min )
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iMainFrameSize = FCKAutoGrow_Min ;
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}
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else
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return ;
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window.frameElement.height = iMainFrameSize ;
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// Gecko browsers use an onresize handler to update the innermost
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// IFRAME's height. If the document is modified before the onresize
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// is triggered, the plugin will miscalculate the new height. Thus,
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// forcibly trigger onresize. #1336
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if ( typeof window.onresize == 'function' )
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window.onresize() ;
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}
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}
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FCK.AttachToOnSelectionChange( FCKAutoGrow_Check ) ;
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function FCKAutoGrow_SetListeners()
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{
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if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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return ;
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FCK.EditorWindow.attachEvent( 'onscroll', FCKAutoGrow_Check ) ;
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FCK.EditorDocument.attachEvent( 'onkeyup', FCKAutoGrow_Check ) ;
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}
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if ( FCKBrowserInfo.IsIE )
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{
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// FCKAutoGrow_SetListeners() ;
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FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKAutoGrow_SetListeners ) ;
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}
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function FCKAutoGrow_CheckEditorStatus( sender, status )
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{
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if ( status == FCK_STATUS_COMPLETE )
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FCKAutoGrow_Check() ;
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}
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FCK.Events.AttachEvent( 'OnStatusChange', FCKAutoGrow_CheckEditorStatus ) ;
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