Set an active view after loading state

State files do not store the active view, so set the first view after
state is loaded.

Qt/ApplicationComponents/pqExampleVisualizationsDialog.cxx

@@ -4,6 +4,7 @@
 #include "pqActiveObjects.h"
 #include "pqApplicationCore.h"
 #include "pqEventDispatcher.h"
+#include "pqLoadStateReaction.h"
 #include "vtkPVConfig.h"
 #include "vtkPVFileInformation.h"
 
@@ -106,6 +107,9 @@ void pqExampleVisualizationsDialog::onButtonPressed()
       xmldata.replace("$PARAVIEW_EXAMPLES_DATA", dataPath);
       pqApplicationCore::instance()->loadStateFromString(
         xmldata.toUtf8().data(), pqActiveObjects::instance().activeServer());
+
+      // This is needed since XML state currently does not save active view.
+      pqLoadStateReaction::activateView();
     }
     else
     {

Qt/ApplicationComponents/pqLoadStateReaction.cxx

@@ -116,15 +116,9 @@ void pqLoadStateReaction::loadState(const QString& filename, bool dialogBlocked,
           server, filename);
       }
       pqPVApplicationCore::instance()->setLoadingState(false);
-      // activate a view in the state.
-      // this is needed since XML state currently does not save active view.
 
-      auto smmodel = pqApplicationCore::instance()->getServerManagerModel();
-      auto views = smmodel->findItems<pqView*>(server);
-      if (views.size())
-      {
-        pqActiveObjects::instance().setActiveView(views[0]);
-      }
+      // This is needed since XML state currently does not save active view.
+      pqLoadStateReaction::activateView();
     }
   }
   else
@@ -156,3 +150,15 @@ void pqLoadStateReaction::loadState()
     pqLoadStateReaction::loadState(selectedFile);
   }
 }
+
+//-----------------------------------------------------------------------------
+void pqLoadStateReaction::activateView()
+{
+  auto server = pqActiveObjects::instance().activeServer();
+  auto smmodel = pqApplicationCore::instance()->getServerManagerModel();
+  auto views = smmodel->findItems<pqView*>(server);
+  if (views.size())
+  {
+    pqActiveObjects::instance().setActiveView(views[0]);
+  }
+}

Qt/ApplicationComponents/pqLoadStateReaction.h

@@ -62,6 +62,11 @@ public:
     const QString& filename, bool dialogBlocked = false, pqServer* server = NULL);
   static void loadState();
 
+  /**
+   * Set default active view after state is loaded. Make the first view active.
+   */
+  static void activateView();
+
 public slots:
   /**
   * Updates the enabled state. Applications need not explicitly call