improve session timeout handling at the repository grid

scm-webapp/src/main/webapp/resources/js/repository/sonia.repository.grid.js

@@ -109,7 +109,8 @@ Sonia.repository.Grid = Ext.extend(Sonia.rest.Grid, {
         load: {
           fn: this.storeLoad,
           scope: this
-        }
+        },
+        exception: Sonia.rest.ExceptionHandler
       }
     });
 

scm-webapp/src/main/webapp/resources/js/rest/sonia.rest.js

@@ -30,3 +30,28 @@
  */
 Ext.ns("Sonia.rest");
 
+
+Sonia.rest.exceptionTitleText = 'Error';
+Sonia.rest.exceptionMsgText = 'Could not load items. Server returned status: {0}';
+
+Sonia.rest.ExceptionHandler = function(proxy, type, action, options, response, arg){
+  var status = response.status;
+  if (debug){
+    console.debug('store returned statuscode ' + status);
+  }
+  if ( status == 200 && action == 'read' && response.responseText == 'null' ){
+    if ( debug ){
+      console.debug( 'empty array, clear whole store' );
+    }
+    this.removeAll();
+  } else {
+    if (debug){
+      console.debug( 'error during store load, status: ' + status );
+    }
+    main.handleRestFailure(
+      response, 
+      Sonia.rest.exceptionTitleText, 
+      String.format(Sonia.rest.exceptionMsgText, status)
+    );
+  }
+}

scm-webapp/src/main/webapp/resources/js/rest/sonia.rest.jsonstore.js

@@ -31,36 +31,13 @@
 
 Sonia.rest.JsonStore = Ext.extend( Ext.data.JsonStore, {
 
-  errorTitleText: 'Error',
-  errorMsgText: 'Could not load items. Server returned status: {0}',
-
   constructor: function(config) {
     if ( ! config.listeners ){
       config.listeners = {};
     }
     // fix jersey empty array problem
     config.listeners.exception = {
-      fn: function(proxy, type, action, options, response, arg){
-        var status = response.status;
-        if (debug){
-          console.debug('store returned statuscode ' + status);
-        }
-        if ( status == 200 && action == 'read' && response.responseText == 'null' ){
-          if ( debug ){
-            console.debug( 'empty array, clear whole store' );
-          }
-          this.removeAll();
-        } else {
-          if (debug){
-            console.debug( 'error during store load, status: ' + status );
-          }
-          main.handleRestFailure(
-            response, 
-            this.errorTitleText, 
-            this.errorMsgText
-          );
-        }
-      },
+      fn: Sonia.rest.ExceptionHandler,
       scope: this
     }