WebRoot/fckeditor/editor/_source/internals/fckselection_gecko.js

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/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2008 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. (Gecko specific implementation)
 */

// Get the selection type (like document.select.type in IE).
FCKSelection.GetType = function()
{
	// By default set the type to "Text".
	var type = 'Text' ;

	// Check if the actual selection is a Control (IMG, TABLE, HR, etc...).

	var sel ;
	try { sel = this.GetSelection() ; } catch (e) {}

	if ( sel && sel.rangeCount == 1 )
	{
		var range = sel.getRangeAt(0) ;
		if ( range.startContainer == range.endContainer
			&& ( range.endOffset - range.startOffset ) == 1
			&& range.startContainer.nodeType == 1
			&& FCKListsLib.StyleObjectElements[ range.startContainer.childNodes[ range.startOffset ].nodeName.toLowerCase() ] )
		{
			type = 'Control' ;
		}
	}

	return type ;
}

// 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()
{
	var selection = !!FCK.EditorWindow && this.GetSelection() ;
	if ( !selection || selection.rangeCount < 1 )
		return null ;

	var range = selection.getRangeAt( 0 ) ;
	if ( range.startContainer != range.endContainer || range.startContainer.nodeType != 1 || range.startOffset != range.endOffset - 1 )
		return null ;