mysticfall#202: Fix error with drillthrough when changing the cube

Author: mysticfall

pivot4j-analytics/src/main/java/org/pivot4j/analytics/ui/DrillThroughHandler.java

@@ -71,6 +71,14 @@ public void update(Cell cell) {
 		table.setFirst(0);
 	}
 
+	public void reset() {
+		data.reset();
+
+		this.cubeNode = null;
+		this.selection = null;
+		this.maximumRows = 0;
+	}
+
 	/**
 	 * @return the cubeNode
 	 */

pivot4j-analytics/src/main/java/org/pivot4j/analytics/ui/ViewHandler.java

@@ -358,6 +358,8 @@ public void onCubeChange() {
                 }
             }
         }
+
+        drillThroughHandler.reset();
     }
 
     private String getDefaultMdx() {