SalesSystemOnline/ckeditor_3.6/ckeditor/_source/plugins/wysiwygarea/plugin.js

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/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

/**
 * @fileOverview The "wysiwygarea" plugin. It registers the "wysiwyg" editing
 *		mode, which handles the main editing area space.
 */

(function()
{
	// Matching an empty paragraph at the end of document.
	var emptyParagraphRegexp = /(^|<body\b[^>]*>)\s*<(p|div|address|h\d|center|pre)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\2>)?\s*(?=$|<\/body>)/gi;

	var notWhitespaceEval = CKEDITOR.dom.walker.whitespaces( true );

	// Elements that could blink the cursor anchoring beside it, like hr, page-break. (#6554)
	function nonEditable( element )
	{
		return element.isBlockBoundary() && CKEDITOR.dtd.$empty[ element.getName() ];
	}


	function onInsert( insertFunc )
	{
		return function( evt )
		{
			if ( this.mode == 'wysiwyg' )
			{
				this.focus();

				this.fire( 'saveSnapshot' );

				insertFunc.call( this, evt.data );

				// Save snaps after the whole execution completed.
				// This's a workaround for make DOM modification's happened after
				// 'insertElement' to be included either, e.g. Form-based dialogs' 'commitContents'
				// call.
				CKEDITOR.tools.setTimeout( function()
				   {
					   this.fire( 'saveSnapshot' );
				   }, 0, this );
			}
		};
	}

	function doInsertHtml( data )
	{
		if ( this.dataProcessor )
			data = this.dataProcessor.toHtml( data );

		// HTML insertion only considers the first range.
		var selection = this.getSelection(),
			range = selection.getRanges()[ 0 ];

		if ( range.checkReadOnly() )
			return;