r1318 - branches/bxe_2_0/js

Author: chregu
Date: Wed Jun  1 17:32:33 2005
New Revision: 1318

Modified:
   branches/bxe_2_0/js/bxeFunctions.js
Log:
MFH r1317
fix for http://cvs.wyona.org/cgi-bin/bugzilla/show_bug.cgi?id=3581
"problems with more than 5 undos and then redo"


Modified: branches/bxe_2_0/js/bxeFunctions.js
==============================================================================
--- branches/bxe_2_0/js/bxeFunctions.js	(original)
+++ branches/bxe_2_0/js/bxeFunctions.js	Wed Jun  1 17:32:33 2005
@@ -140,7 +140,6 @@
 }
 
 function bxe_history_redo() {
-	
 	if (bxe_snapshots_position >= 0 && bxe_snapshots[( bxe_snapshots_position + 1)]) {
 		var currXmlStr = bxe_getXmlDocument();
 		if (!currXmlStr) { alert("You're in Source Mode. Not possible to use this button"); return false;} 
@@ -162,7 +161,6 @@
 	
 }
 function bxe_history_undo() {
-	
 	if (bxe_snapshots_position >= 0) {
 		if (bxe_snapshots_position == bxe_snapshots_last) {
 			var currXmlStr = bxe_history_snapshot();
@@ -173,10 +171,12 @@
 		
 		if (!currXmlStr) { alert("You're in Source Mode. Not possible to use this button"); return false;} 
 		var xmlstr = bxe_snapshots[bxe_snapshots_position];
-		bxe_snapshots_position--;
-		while(currXmlStr == xmlstr && bxe_snapshots[bxe_snapshots_position ] ) {
-			xmlstr = bxe_snapshots[bxe_snapshots_position];
+		if (xmlstr) {
 			bxe_snapshots_position--;
+			while(currXmlStr == xmlstr && bxe_snapshots[bxe_snapshots_position ] ) {
+				xmlstr = bxe_snapshots[bxe_snapshots_position];
+				bxe_snapshots_position--;
+			}
 		}
 		
 		if (bxe_snapshots_position < 0) {
-- 
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