Adding spacer between clear and save buttons, adding a confirmation dialog on clear, adding a timer on save button to change it to gray after 5 seconds

slicerModules/imageBrowser.py

@@ -121,6 +121,9 @@ class imageBrowserWidget(ScriptedLoadableModuleWidget):
         self.patientSave=qt.QPushButton("Save")
         self.patientSave.clicked.connect(self.onPatientSaveButtonClicked)
         patientsFormLayout.addRow("Save segmentation",self.patientSave)
+#empty label as a spacer
+        qX=qt.QLabel("")
+        patientsFormLayout.addRow("",qX)
 
         self.patientClear=qt.QPushButton("Clear")
         self.patientClear.clicked.connect(self.onPatientClearButtonClicked)
@@ -385,13 +388,26 @@ class imageBrowserWidget(ScriptedLoadableModuleWidget):
         pass
 
     def onPatientClearButtonClicked(self):
-        self.logic.clearVolumesAndSegmentations()
-        self.patientSave.setStyleSheet('background-color:gray')
+      msgBox=qt.QMessageBox()
+      msgBox.setText('Are you sure you want to clear pateient?')
+      msgBox.setStandardButtons(qt.QMessageBox.Ok |qt.QMessageBox.Cancel)
+      returnValue=msgBox.exec()
+      if returnValue==qt.QMessageBox.Cancel:
+         print('Canceling')
+         return
+      print('Clearing')
+      self.logic.clearVolumesAndSegmentations()
+      self.clearSaveButton()
+
+    def clearSaveButton(self):
+      self.patientSave.setStyleSheet('background-color:gray')
+    
 
     def onPatientSaveButtonClicked(self):
         status=self.logic.saveSegmentation()
         if status:
             self.patientSave.setStyleSheet('background-color:green')
+            qt.QTimer.singleShot(5000,self.clearSaveButton)
         else:
             self.patientSave.setStyleSheet('background-color:red')