fckplugin.js
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:3k
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2009 Frederico Caldeira Knabben
- *
- * == BEGIN LICENSE ==
- *
- * Licensed under the terms of any of the following licenses at your
- * choice:
- *
- * - GNU General Public License Version 2 or later (the "GPL")
- * http://www.gnu.org/licenses/gpl.html
- *
- * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
- * http://www.gnu.org/licenses/lgpl.html
- *
- * - Mozilla Public License Version 1.1 or later (the "MPL")
- * http://www.mozilla.org/MPL/MPL-1.1.html
- *
- * == END LICENSE ==
- *
- * Plugin: automatically resizes the editor until a configurable maximun
- * height (FCKConfig.AutoGrowMax), based on its contents.
- */
- var FCKAutoGrow = {
- MIN_HEIGHT : window.frameElement.offsetHeight,
- Check : function()
- {
- var delta = FCKAutoGrow.GetHeightDelta() ;
- if ( delta != 0 )
- {
- var newHeight = window.frameElement.offsetHeight + delta ;
- newHeight = FCKAutoGrow.GetEffectiveHeight( newHeight ) ;
- if ( newHeight != window.frameElement.height )
- {
- window.frameElement.style.height = newHeight + "px" ;
- // Gecko browsers use an onresize handler to update the innermost
- // IFRAME's height. If the document is modified before the onresize
- // is triggered, the plugin will miscalculate the new height. Thus,
- // forcibly trigger onresize. #1336
- if ( typeof window.onresize == 'function' )
- {
- window.onresize() ;
- }
- }
- }
- },
- CheckEditorStatus : function( sender, status )
- {
- if ( status == FCK_STATUS_COMPLETE )
- FCKAutoGrow.Check() ;
- },
- GetEffectiveHeight : function( height )
- {
- if ( height < FCKAutoGrow.MIN_HEIGHT )
- height = FCKAutoGrow.MIN_HEIGHT;
- else
- {
- var max = FCKConfig.AutoGrowMax;
- if ( max && max > 0 && height > max )
- height = max;
- }
- return height;
- },
- GetHeightDelta : function()
- {
- var oInnerDoc = FCK.EditorDocument ;
- var iFrameHeight ;
- var iInnerHeight ;
- if ( FCKBrowserInfo.IsIE )
- {
- iFrameHeight = FCK.EditorWindow.frameElement.offsetHeight ;
- iInnerHeight = oInnerDoc.body.scrollHeight ;
- }
- else
- {
- iFrameHeight = FCK.EditorWindow.innerHeight ;
- iInnerHeight = oInnerDoc.body.offsetHeight +
- ( parseInt( FCKDomTools.GetCurrentElementStyle( oInnerDoc.body, 'margin-top' ), 10 ) || 0 ) +
- ( parseInt( FCKDomTools.GetCurrentElementStyle( oInnerDoc.body, 'margin-bottom' ), 10 ) || 0 ) ;
- }
- return iInnerHeight - iFrameHeight ;
- },
- SetListeners : function()
- {
- if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
- return ;
- FCK.EditorWindow.attachEvent( 'onscroll', FCKAutoGrow.Check ) ;
- FCK.EditorDocument.attachEvent( 'onkeyup', FCKAutoGrow.Check ) ;
- }
- };
- FCK.AttachToOnSelectionChange( FCKAutoGrow.Check ) ;
- if ( FCKBrowserInfo.IsIE )
- FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKAutoGrow.SetListeners ) ;
- FCK.Events.AttachEvent( 'OnStatusChange', FCKAutoGrow.CheckEditorStatus ) ;