fckselection_ie.js
资源名称:MEIMS.rar [点击查看]
上传用户:ah_jiwei
上传日期:2022-07-24
资源大小:54044k
文件大小:5k
源码类别:
数据库编程
开发平台:
Visual C++
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2007 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 ==
- *
- * Active selection functions. (IE specific implementation)
- */
- // Get the selection type.
- FCKSelection.GetType = function()
- {
- // It is possible that we can still get a text range object even when type=='None' is returned by IE.
- // So we'd better check the object returned by createRange() rather than by looking at the type.
- try
- {
- var ieType = FCK.EditorDocument.selection.type ;
- if ( ieType == 'Control' || ieType == 'Text' )
- return ieType ;
- if ( FCK.EditorDocument.selection.createRange().parentElement )
- return 'Text' ;
- }
- catch(e)
- {
- // Nothing to do, it will return None properly.
- }
- return 'None' ;
- } ;
- // Retrieves the selected element (if any), just in the case that a single
- // element (object like and image or a table) is selected.
- FCKSelection.GetSelectedElement = function()
- {
- if ( this.GetType() == 'Control' )
- {
- var oRange = FCK.EditorDocument.selection.createRange() ;
- if ( oRange && oRange.item )
- return FCK.EditorDocument.selection.createRange().item(0) ;
- }
- return null ;
- } ;
- FCKSelection.GetParentElement = function()
- {
- switch ( this.GetType() )
- {
- case 'Control' :
- var el = FCKSelection.GetSelectedElement() ;
- return el ? el.parentElement : null ;
- case 'None' :
- return null ;
- default :
- return FCK.EditorDocument.selection.createRange().parentElement() ;
- }
- } ;
- FCKSelection.GetBoundaryParentElement = function( startBoundary )
- {
- switch ( this.GetType() )
- {
- case 'Control' :
- var el = FCKSelection.GetSelectedElement() ;
- return el ? el.parentElement : null ;
- case 'None' :
- return null ;
- default :
- var doc = FCK.EditorDocument ;
- var range = doc.selection.createRange() ;
- range.collapse( startBoundary !== false ) ;
- var el = range.parentElement() ;
- // It may happen that range is comming from outside "doc", so we
- // must check it (#1204).
- return FCKTools.GetElementDocument( el ) == doc ? el : null ;
- }
- } ;
- FCKSelection.SelectNode = function( node )
- {
- FCK.Focus() ;
- FCK.EditorDocument.selection.empty() ;
- var oRange ;
- try
- {
- // Try to select the node as a control.
- oRange = FCK.EditorDocument.body.createControlRange() ;
- oRange.addElement( node ) ;
- }
- catch(e)
- {
- // If failed, select it as a text range.
- oRange = FCK.EditorDocument.body.createTextRange() ;
- oRange.moveToElementText( node ) ;
- }
- oRange.select() ;
- } ;
- FCKSelection.Collapse = function( toStart )
- {
- FCK.Focus() ;
- if ( this.GetType() == 'Text' )
- {
- var oRange = FCK.EditorDocument.selection.createRange() ;
- oRange.collapse( toStart == null || toStart === true ) ;
- oRange.select() ;
- }
- } ;
- // The "nodeTagName" parameter must be Upper Case.
- FCKSelection.HasAncestorNode = function( nodeTagName )
- {
- var oContainer ;
- if ( FCK.EditorDocument.selection.type == "Control" )
- {
- oContainer = this.GetSelectedElement() ;
- }
- else
- {
- var oRange = FCK.EditorDocument.selection.createRange() ;
- oContainer = oRange.parentElement() ;
- }
- while ( oContainer )
- {
- if ( oContainer.tagName == nodeTagName ) return true ;
- oContainer = oContainer.parentNode ;
- }
- return false ;
- } ;
- // The "nodeTagName" parameter must be UPPER CASE.
- FCKSelection.MoveToAncestorNode = function( nodeTagName )
- {
- var oNode, oRange ;
- if ( ! FCK.EditorDocument )
- return null ;
- if ( FCK.EditorDocument.selection.type == "Control" )
- {
- oRange = FCK.EditorDocument.selection.createRange() ;
- for ( i = 0 ; i < oRange.length ; i++ )
- {
- if (oRange(i).parentNode)
- {
- oNode = oRange(i).parentNode ;
- break ;
- }
- }
- }
- else
- {
- oRange = FCK.EditorDocument.selection.createRange() ;
- oNode = oRange.parentElement() ;
- }
- while ( oNode && oNode.nodeName != nodeTagName )
- oNode = oNode.parentNode ;
- return oNode ;
- } ;
- FCKSelection.Delete = function()
- {
- // Gets the actual selection.
- var oSel = FCK.EditorDocument.selection ;
- // Deletes the actual selection contents.
- if ( oSel.type.toLowerCase() != "none" )
- {
- oSel.clear() ;
- }
- return oSel ;
- } ;