| 1 | /*
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| 2 | * FCKeditor - The text editor for internet
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| 3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben
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| 4 | *
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| 5 | * Licensed under the terms of the GNU Lesser General Public License:
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| 6 | * http://www.opensource.org/licenses/lgpl-license.php
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| 7 | *
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| 8 | * For further information visit:
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| 9 | * http://www.fckeditor.net/
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| 10 | *
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| 11 | * "Support Open Source software. What about a donation today?"
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| 12 | *
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| 13 | * File Name: fckplugin.js
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| 14 | * Plugin: automatically resizes the editor until a configurable maximun
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| 15 | * height (FCKConfig.AutoGrowMax), based on its contents.
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| 16 | *
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| 17 | * File Authors:
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| 18 | * Frederico Caldeira Knabben (fredck@fckeditor.net)
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| 19 | */
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| 20 |
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| 21 | var FCKAutoGrow_Min = window.frameElement.offsetHeight ;
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| 22 |
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| 23 | function FCKAutoGrow_Check()
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| 24 | {
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| 25 | var oInnerDoc = FCK.EditorDocument ;
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| 26 |
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| 27 | var iFrameHeight, iInnerHeight ;
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| 28 |
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| 29 | if ( FCKBrowserInfo.IsIE )
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| 30 | {
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| 31 | iFrameHeight = FCK.EditorWindow.frameElement.offsetHeight ;
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| 32 | iInnerHeight = oInnerDoc.body.scrollHeight ;
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| 33 | }
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| 34 | else
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| 35 | {
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| 36 | iFrameHeight = FCK.EditorWindow.innerHeight ;
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| 37 | iInnerHeight = oInnerDoc.body.offsetHeight ;
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| 38 | }
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| 39 |
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| 40 | var iDiff = iInnerHeight - iFrameHeight ;
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| 41 |
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| 42 | if ( iDiff != 0 )
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| 43 | {
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| 44 | var iMainFrameSize = window.frameElement.offsetHeight ;
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| 45 |
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| 46 | if ( iDiff > 0 && iMainFrameSize < FCKConfig.AutoGrowMax )
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| 47 | {
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| 48 | iMainFrameSize += iDiff ;
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| 49 | if ( iMainFrameSize > FCKConfig.AutoGrowMax )
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| 50 | iMainFrameSize = FCKConfig.AutoGrowMax ;
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| 51 | }
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| 52 | else if ( iDiff < 0 && iMainFrameSize > FCKAutoGrow_Min )
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| 53 | {
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| 54 | iMainFrameSize += iDiff ;
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| 55 | if ( iMainFrameSize < FCKAutoGrow_Min )
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| 56 | iMainFrameSize = FCKAutoGrow_Min ;
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| 57 | }
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| 58 | else
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| 59 | return ;
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| 60 |
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| 61 | window.frameElement.height = iMainFrameSize ;
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | FCK.AttachToOnSelectionChange( FCKAutoGrow_Check ) ;
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| 66 |
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| 67 | function FCKAutoGrow_SetListeners()
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| 68 | {
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| 69 | FCK.EditorWindow.attachEvent( 'onscroll', FCKAutoGrow_Check ) ;
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| 70 | FCK.EditorDocument.attachEvent( 'onkeyup', FCKAutoGrow_Check ) ;
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| 71 | }
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| 72 |
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| 73 | if ( FCKBrowserInfo.IsIE )
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| 74 | {
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| 75 | // FCKAutoGrow_SetListeners() ;
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| 76 | FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKAutoGrow_SetListeners ) ;
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| 77 | }
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| 78 |
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| 79 | function FCKAutoGrow_CheckEditorStatus( sender, status )
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| 80 | {
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| 81 | if ( status == FCK_STATUS_COMPLETE )
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| 82 | FCKAutoGrow_Check() ;
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| 83 | }
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| 84 |
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| 85 | FCK.Events.AttachEvent( 'OnStatusChange', FCKAutoGrow_CheckEditorStatus ) ;
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