Refs #10677 Add more button logic

MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/SANSRunWindow.h

@@ -316,6 +316,7 @@ private slots:
   /// Handle a change of the aperture geometry for QResolution
   void handleQResolutionApertureChange(int aperture);
 
+
 private:
   /// used to specify the range of validation to do
   enum ValCheck {
@@ -497,6 +498,10 @@ private:
   bool hasUserFileValidFileExtension();
   /// Check if the user file is valid
   bool isValidUserFile();
+  /// Disable controls when user file is being loaded
+  void userFileLoadingBegin();
+  /// Enable controls when user file has finished loading
+  void userFileLoadingEnd();
 
   UserSubWindow *slicingWindow;
 };

MantidQt/CustomInterfaces/src/SANSRunWindow.cpp

@@ -211,13 +211,9 @@ void SANSRunWindow::initLayout() {
   connectButtonSignals();
 
   m_uiForm.tabWidget->setCurrentWidget(m_uiForm.runNumbers);
+
   // Disable most things so that load is the only thing that can be done
-  m_uiForm.oneDBtn->setEnabled(false);
-  m_uiForm.twoDBtn->setEnabled(false);
-  m_uiForm.saveDefault_btn->setEnabled(false);
-  for (int i = 1; i < 4; ++i) {
-    m_uiForm.tabWidget->setTabEnabled(i, false);
-  }
+  userFileLoadingBegin();
 
   // Mode switches
   connect(m_uiForm.single_mode_btn, SIGNAL(clicked()), this,
@@ -783,6 +779,11 @@ bool SANSRunWindow::loadUserFile() {
     m_uiForm.mask_table->removeRow(i);
   }
 
+
+  // Disable some settings on the GUI such that the user cannot press
+  // a Reduce button while the user file is loading
+  userFileLoadingBegin();
+
   QString pyCode = "i.Clean()";
   pyCode += "\ni." + getInstrumentClass();
   pyCode += "\ni.ReductionSingleton().user_settings =";
@@ -812,6 +813,7 @@ bool SANSRunWindow::loadUserFile() {
     return false;
   }
 
+
   const auto settings = getReductionSettings();
 
   const double unit_conv(1000.);
@@ -1059,9 +1061,9 @@ bool SANSRunWindow::loadUserFile() {
 
   m_cfg_loaded = true;
   emit userfileLoaded();
-  m_uiForm.tabWidget->setTabEnabled(1, true);
-  m_uiForm.tabWidget->setTabEnabled(2, true);
-  m_uiForm.tabWidget->setTabEnabled(3, true);
+
+  // Enable buttons and tabs
+  userFileLoadingEnd();
 
   return true;
 }
@@ -4920,6 +4922,32 @@ bool SANSRunWindow::isValidUserFile() {
   return true;
 }
 
+/**
+ * Disable controls when the user file beings to load
+ */
+void SANSRunWindow::userFileLoadingBegin() {
+  // Disable the reduction and save buttons on the first tab
+  m_uiForm.oneDBtn->setEnabled(false);
+  m_uiForm.twoDBtn->setEnabled(false);
+  m_uiForm.saveDefault_btn->setEnabled(false);
+  for (int i = 1; i < 4; ++i) {
+    m_uiForm.tabWidget->setTabEnabled(i, false);
+  }
+}
+
+/**
+ * Enable controls when the user file has loaded
+ */
+void SANSRunWindow::userFileLoadingEnd() {
+  // Enable the reduction and save buttons on the first tab
+  m_uiForm.oneDBtn->setEnabled(true);
+  m_uiForm.twoDBtn->setEnabled(true);
+  m_uiForm.saveDefault_btn->setEnabled(true);
+  for (int i = 1; i < 4; ++i) {
+    m_uiForm.tabWidget->setTabEnabled(i, true);
+  }
+}
+
 
 } // namespace CustomInterfaces
 } // namespace MantidQt