Refs #5421 Updated interface to respond to change dir notifications.

Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/IndirectBayes.h

@@ -8,6 +8,9 @@
 #include "MantidQtAPI/UserSubWindow.h"
 #include "MantidQtCustomInterfaces/IndirectBayesTab.h"
 
+#include <Poco/NObserver.h>
+#include "MantidKernel/ConfigService.h"
+
 namespace MantidQt
 {
   namespace CustomInterfaces
@@ -76,12 +79,17 @@ namespace MantidQt
       void showMessageBox(const QString& message);
 
 		private:
+      /// Called upon a close event.
+      virtual void closeEvent(QCloseEvent*);
+      /// handle POCO event
+      void handleDirectoryChange(Mantid::Kernel::ConfigValChangeNotification_ptr pNf);
       /// Load default interface settings for each tab
       void loadSettings();
 
       /// Map of tabs indexed by position on the window
 			std::map<unsigned int, IndirectBayesTab*> m_bayesTabs;
-
+      /// Change Observer for ConfigService (monitors user directories)
+      Poco::NObserver<IndirectBayes, Mantid::Kernel::ConfigValChangeNotification> m_changeObserver;
       ///Main interface window
       Ui::IndirectBayes m_uiForm;
     };

Code/Mantid/MantidQt/CustomInterfaces/src/IndirectBayes.cpp

@@ -19,10 +19,14 @@ namespace MantidQt
 
 using namespace MantidQt::CustomInterfaces;
 
-IndirectBayes::IndirectBayes(QWidget *parent) : UserSubWindow(parent)
+IndirectBayes::IndirectBayes(QWidget *parent) : UserSubWindow(parent),
+	m_changeObserver(*this, &IndirectBayes::handleDirectoryChange)
 {
 	m_uiForm.setupUi(this);
 
+  // Connect Poco Notification Observer
+  Mantid::Kernel::ConfigService::Instance().addObserver(m_changeObserver);
+
 	//insert each tab into the interface on creation
 	m_bayesTabs.insert(std::make_pair(RES_NORM, new ResNorm(m_uiForm.indirectBayesTabs->widget(RES_NORM))));
 	m_bayesTabs.insert(std::make_pair(QUASI, new Quasi(m_uiForm.indirectBayesTabs->widget(QUASI))));
@@ -44,14 +48,33 @@ IndirectBayes::IndirectBayes(QWidget *parent) : UserSubWindow(parent)
 	connect(m_uiForm.pbRun, SIGNAL(clicked()), this, SLOT(runClicked()));
 	connect(m_uiForm.pbHelp, SIGNAL(clicked()), this, SLOT(helpClicked()));
 	connect(m_uiForm.pbManageDirs, SIGNAL(clicked()), this, SLOT(manageUserDirectories()));
-
-
 }
 
 void IndirectBayes::initLayout()
 {
 }
 
+/**
+ * @param :: the detected close event
+ */
+void IndirectBayes::closeEvent(QCloseEvent*)
+{
+  Mantid::Kernel::ConfigService::Instance().removeObserver(m_changeObserver);
+}
+
+/**
+ * Handles a change in directory.
+ *
+ * @param pNf :: notification
+ */
+void IndirectBayes::handleDirectoryChange(Mantid::Kernel::ConfigValChangeNotification_ptr pNf)
+{
+  std::string key = pNf->key();
+
+  if ( key == "defaultsave.directory" )
+    loadSettings();
+}
+
 /**
  * Load the setting for each tab on the interface.
  *