Introduce the Store.restoreWhere method.

static/plugin_dbui/src/grid.js

@@ -88,31 +88,21 @@ App.grid.Grid = Ext.extend(Ext.grid.GridPanel, {
         var action,
             i;
 
-        // private function to emitt the resetgrid event
+        // private function to emit the resetgrid event
         function fireReset() {
             this.fireEvent('resetgrid');
         }
 
-        // parameters for the store load action
+        // parameters defining the store load action
         action = {callback: fireReset, scope: this};
         if (this.getBottomToolbar() instanceof Ext.PagingToolbar) {
             action.params = {start: 0, limit: this.nRows};
         }
 
         // restore initial where condition of the store
-        // in order to remove filter condition
-        if ('where' in this.store.baseParams) {
-            
-            if (this.store.initialWhere) {
-                this.store.baseParams.where = [];
-                for (i = 0; i < this.store.initialWhere.length; i += 1) {
-                    this.store.baseParams.where.push(this.store.initialWhere[i]);
-                }
-            } else {
-                delete this.store.baseParams.where;  
-            }
-        }
-        
+        // in order to remove remote filter condition
+        this.store.restoreWhere();
+
         // reload the store and fire the resetgrid event
         this.store.load(action);
     }

static/plugin_dbui/src/jsonstore.js

@@ -115,6 +115,28 @@ App.data.DirectStore = Ext.extend(Ext.data.DirectStore, {
             store.totalLength -= 1;
             break;
         }
+    },
+    
+    /**
+     * Restore the where conditions to the original values.
+     * Useful to remove remote filter condition.
+     */
+    restoreWhere: function () {
+        
+        var i;
+        
+        if ('where' in this.baseParams) {
+            
+            if (this.initialWhere) {
+                this.baseParams.where = [];
+                for (i = 0; i < this.initialWhere.length; i += 1) {
+                    this.baseParams.where.push(this.initialWhere[i]);
+                }
+                
+            } else {
+                delete this.baseParams.where;  
+            }
+        }
     }
 });