X-Git-Url: https://jasonwoof.com/gitweb/?p=ckeditor.git;a=blobdiff_plain;f=_source%2Fcore%2Ftools.js;h=5d0573c40386caae1ee4834169816dc9c227fec7;hp=2492beb2a16a63539e9b2119d341bf063d199d51;hb=f0610347140239143439a511ee2bd48cb784f470;hpb=4e70ea24db840898be8cc21c950363a52a2a6aba

diff --git a/_source/core/tools.js b/_source/core/tools.js
index 2492beb..5d0573c 100644
--- a/_source/core/tools.js
+++ b/_source/core/tools.js
@@ -680,14 +680,43 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 		 */
 		cssLength : (function()
 		{
-			var decimalRegex = /^\d+(?:\.\d+)?$/;
 			return function( length )
 			{
-				return length + ( decimalRegex.test( length ) ? 'px' : '' );
+				return length + ( !length || isNaN( Number( length ) ) ? '' : 'px' );
 			};
 		})(),
 
 		/**
+		 * Convert the specified CSS length value to the calculated pixel length inside this page.
+		 * <strong>Note:</strong> Percentage based value is left intact.
+		 * @param {String} cssLength CSS length value.
+		 */
+		convertToPx : ( function ()
+			{
+				var calculator;
+
+				return function( cssLength )
+				{
+					if ( !calculator )
+					{
+						calculator = CKEDITOR.dom.element.createFromHtml(
+								'<div style="position:absolute;left:-9999px;' +
+								'top:-9999px;margin:0px;padding:0px;border:0px;"' +
+								'></div>', CKEDITOR.document );
+						CKEDITOR.document.getBody().append( calculator );
+					}
+
+					if ( !(/%$/).test( cssLength ) )
+					{
+						calculator.setStyle( 'width', cssLength );
+						return calculator.$.clientWidth;
+					}
+
+					return cssLength;
+				};
+			} )(),
+
+		/**
 		 * String specified by {@param str} repeats {@param times} times.
 		 * @param str
 		 * @param times