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/*
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* FCKeditor - The text editor for internet
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* Copyright (C) 2003-2006 Frederico Caldeira Knabben
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*
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* Licensed under the terms of the GNU Lesser General Public License:
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* http://www.opensource.org/licenses/lgpl-license.php
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*
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* For further information visit:
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* http://www.fckeditor.net/
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*
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* "Support Open Source software. What about a donation today?"
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*
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* File Name: fckselection_gecko.js
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* Active selection functions. (Gecko specific implementation)
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*
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* File Authors:
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* Frederico Caldeira Knabben (fredck@fckeditor.net)
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*/
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// Get the selection type (like document.select.type in IE).
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FCKSelection.GetType = function()
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{
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// if ( ! this._Type )
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// {
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// By default set the type to "Text".
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this._Type = 'Text' ;
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// Check if the actual selection is a Control (IMG, TABLE, HR, etc...).
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var oSel ;
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try { oSel = FCK.EditorWindow.getSelection() ; }
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catch (e) {}
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if ( oSel && oSel.rangeCount == 1 )
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{
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var oRange = oSel.getRangeAt(0) ;
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if ( oRange.startContainer == oRange.endContainer && (oRange.endOffset - oRange.startOffset) == 1 && oRange.startContainer.nodeType != Node.TEXT_NODE )
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this._Type = 'Control' ;
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}
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// }
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return this._Type ;
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}
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// Retrieves the selected element (if any), just in the case that a single
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// element (object like and image or a table) is selected.
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FCKSelection.GetSelectedElement = function()
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{
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if ( this.GetType() == 'Control' )
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{
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var oSel = FCK.EditorWindow.getSelection() ;
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return oSel.anchorNode.childNodes[ oSel.anchorOffset ] ;
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}
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}
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FCKSelection.GetParentElement = function()
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{
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if ( this.GetType() == 'Control' )
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return FCKSelection.GetSelectedElement().parentNode ;
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else
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{
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var oSel = FCK.EditorWindow.getSelection() ;
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if ( oSel )
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{
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var oNode = oSel.anchorNode ;
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while ( oNode && oNode.nodeType != 1 )
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oNode = oNode.parentNode ;
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return oNode ;
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}
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}
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}
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FCKSelection.SelectNode = function( element )
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{
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// FCK.Focus() ;
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var oRange = FCK.EditorDocument.createRange() ;
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oRange.selectNode( element ) ;
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var oSel = FCK.EditorWindow.getSelection() ;
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oSel.removeAllRanges() ;
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oSel.addRange( oRange ) ;
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}
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FCKSelection.Collapse = function( toStart )
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{
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var oSel = FCK.EditorWindow.getSelection() ;
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if ( toStart == null || toStart === true )
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oSel.collapseToStart() ;
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else
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oSel.collapseToEnd() ;
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}
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// The "nodeTagName" parameter must be Upper Case.
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FCKSelection.HasAncestorNode = function( nodeTagName )
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{
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var oContainer = this.GetSelectedElement() ;
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if ( ! oContainer && FCK.EditorWindow )
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{
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try { oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ; }
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catch(e){}
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}
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while ( oContainer )
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{
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if ( oContainer.nodeType == 1 && oContainer.tagName == nodeTagName ) return true ;
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oContainer = oContainer.parentNode ;
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}
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return false ;
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}
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// The "nodeTagName" parameter must be Upper Case.
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FCKSelection.MoveToAncestorNode = function( nodeTagName )
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{
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var oNode ;
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var oContainer = this.GetSelectedElement() ;
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if ( ! oContainer )
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oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ;
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while ( oContainer )
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{
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if ( oContainer.tagName == nodeTagName )
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return oContainer ;
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oContainer = oContainer.parentNode ;
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}
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return null ;
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}
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FCKSelection.Delete = function()
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{
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// Gets the actual selection.
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var oSel = FCK.EditorWindow.getSelection() ;
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// Deletes the actual selection contents.
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for ( var i = 0 ; i < oSel.rangeCount ; i++ )
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{
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oSel.getRangeAt(i).deleteContents() ;
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}
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return oSel ;
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}
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