105 lines
3.2 KiB
JavaScript
105 lines
3.2 KiB
JavaScript
/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2009 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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* Class for working with a selection range, much like the W3C DOM Range, but
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* it is not intended to be an implementation of the W3C interface.
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* (Gecko Implementation)
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*/
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FCKDomRange.prototype.MoveToSelection = function()
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{
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this.Release( true ) ;
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var oSel = this.Window.getSelection() ;
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if ( oSel && oSel.rangeCount > 0 )
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{
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this._Range = FCKW3CRange.CreateFromRange( this.Window.document, oSel.getRangeAt(0) ) ;
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this._UpdateElementInfo() ;
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}
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else
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if ( this.Window.document )
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this.MoveToElementStart( this.Window.document.body ) ;
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}
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FCKDomRange.prototype.Select = function()
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{
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var oRange = this._Range ;
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if ( oRange )
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{
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var startContainer = oRange.startContainer ;
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// If we have a collapsed range, inside an empty element, we must add
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// something to it, otherwise the caret will not be visible.
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if ( oRange.collapsed && startContainer.nodeType == 1 && startContainer.childNodes.length == 0 )
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startContainer.appendChild( oRange._Document.createTextNode('') ) ;
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var oDocRange = this.Window.document.createRange() ;
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oDocRange.setStart( startContainer, oRange.startOffset ) ;
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try
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{
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oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ;
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}
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catch ( e )
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{
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// There is a bug in Firefox implementation (it would be too easy
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// otherwise). The new start can't be after the end (W3C says it can).
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// So, let's create a new range and collapse it to the desired point.
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if ( e.toString().Contains( 'NS_ERROR_ILLEGAL_VALUE' ) )
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{
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oRange.collapse( true ) ;
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oDocRange.setEnd( oRange.endContainer, oRange.endOffset ) ;
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}
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else
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throw( e ) ;
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}
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var oSel = this.Window.getSelection() ;
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oSel.removeAllRanges() ;
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// We must add a clone otherwise Firefox will have rendering issues.
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oSel.addRange( oDocRange ) ;
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}
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}
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// Not compatible with bookmark created with CreateBookmark2.
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// The bookmark nodes will be deleted from the document.
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FCKDomRange.prototype.SelectBookmark = function( bookmark )
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{
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var domRange = this.Window.document.createRange() ;
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var startNode = this.GetBookmarkNode( bookmark, true ) ;
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var endNode = this.GetBookmarkNode( bookmark, false ) ;
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domRange.setStart( startNode.parentNode, FCKDomTools.GetIndexOf( startNode ) ) ;
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FCKDomTools.RemoveNode( startNode ) ;
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if ( endNode )
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{
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domRange.setEnd( endNode.parentNode, FCKDomTools.GetIndexOf( endNode ) ) ;
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FCKDomTools.RemoveNode( endNode ) ;
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}
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var selection = this.Window.getSelection() ;
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selection.removeAllRanges() ;
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selection.addRange( domRange ) ;
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}
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