Deduplicate code creating widgets for prefs tabs

flatcamGUI/preferences/PreferencesSectionUI.py

@@ -29,4 +29,29 @@ class PreferencesSectionUI(QtWidgets.QWidget):
         for group in self.groups:
             groupoptions = group.option_dict()
             result.update(groupoptions)
-        return result
+        return result
+
+    def build_tab(self):
+        tab = QtWidgets.QWidget()
+
+        tab_lay = QtWidgets.QVBoxLayout()
+        tab_lay.setContentsMargins(2, 2, 2, 2)
+        tab.setLayout(tab_lay)
+
+        # Not sure what the point of this is ???
+        hlay1 = QtWidgets.QHBoxLayout()
+        hlay1.addStretch()
+        tab_lay.addLayout(hlay1)
+
+        scroll_area = QtWidgets.QScrollArea()
+        scroll_area.setWidget(self)
+        self.show()
+        tab_lay.addWidget(scroll_area)
+
+        return tab
+
+    def get_tab_id(self) -> str:
+        raise NotImplementedError
+
+    def get_tab_label(self) -> str:
+        raise NotImplementedError