From fa03332fe6dd8cc9a2e438da04876eb237a8ef08 Mon Sep 17 00:00:00 2001
From: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Date: Mon, 22 Aug 2011 15:57:43 +0200
Subject: [PATCH] fix history bug

---
 .../sonia.repository.changesetviewerpanel.js  |  7 +++++-
 .../main/webapp/resources/js/sonia.history.js | 25 +++++++++++++++----
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/scm-webapp/src/main/webapp/resources/js/repository/sonia.repository.changesetviewerpanel.js b/scm-webapp/src/main/webapp/resources/js/repository/sonia.repository.changesetviewerpanel.js
index 24f13d7846..a9eed638fe 100644
--- a/scm-webapp/src/main/webapp/resources/js/repository/sonia.repository.changesetviewerpanel.js
+++ b/scm-webapp/src/main/webapp/resources/js/repository/sonia.repository.changesetviewerpanel.js
@@ -41,7 +41,12 @@ Sonia.repository.ChangesetViewerPanel = Ext.extend(Ext.Panel, {
   changesetViewerTitleText: 'Commits {0}',
   
   initComponent: function(){
-    this.historyId = 'changesetviewer|' + this.repository.id;
+    this.historyId = Sonia.History.createToken([
+      'changesetviewer', 
+      this.repository.id, 
+      this.start, 
+      this.pageSize 
+    ]);
 
     this.changesetStore = new Sonia.rest.JsonStore({
       id: 'changesetStore',
diff --git a/scm-webapp/src/main/webapp/resources/js/sonia.history.js b/scm-webapp/src/main/webapp/resources/js/sonia.history.js
index a715368e5a..c3d5a5af26 100644
--- a/scm-webapp/src/main/webapp/resources/js/sonia.history.js
+++ b/scm-webapp/src/main/webapp/resources/js/sonia.history.js
@@ -38,13 +38,28 @@ Sonia.History = {
   recentlyChanged: [],
   
   add: function(token){
-    if ( debug ){
-      console.debug('add history element ' + token);
+    if (token != Ext.History.getToken()){
+      if (this.isInvokeable(this.recentlyChanged, token)){
+        if ( debug ){
+          console.debug('add history element ' + token);
+        }
+        this.recentlyAdded.push(token);
+        Ext.History.add(token, true);
+      }
     }
-    if (this.isInvokeable(this.recentlyChanged, token)){
-      this.recentlyAdded.push(token);
-      Ext.History.add(token, true);
+  },
+  
+  createToken: function(elements){
+    var token = '';
+    if (Ext.isArray(elements)){
+      for (var i=0; i<elements.length; i++){
+        token += elements[i];
+        if ( (i+1)<elements.length ){
+          token += '|';
+        }
+      }
     }
+    return token;
   },
   
   append: function(item){