astrodatagui: support opening saved calculated files and fix a typo

main/astrodatagui/AstrodataGUI.py

@@ -59,6 +59,7 @@ class AstrodataGUI(QtWidgets.QMainWindow):
         self.cbPlotShowQuality.stateChanged.connect(self.plotOptionsShowQuality)
 
         self.btCountAllFlares.clicked.connect(self.btCountAllFlaresClicked)
+        self.btOpenSavedFlareCountFile.clicked.connect(self.btOpenSavedFlareCountFileClicked)
 
         self.setupCustomSimbadQueries()
         self.show()
@@ -354,13 +355,13 @@ class AstrodataGUI(QtWidgets.QMainWindow):
 
     def btCountAllFlaresClickedDone(self, allFlaresDictList):
         self.calcAllFlaresThread = None
-        self.btCountAllFlaresClicked.setEnabled(True)
+        self.btCountAllFlares.setEnabled(True)
         self.AllFlaresWindow = FlareSummaryPlotGUI(allFlaresDictList)
         self.AllFlaresWindow.show()
 
     def btCountAllFlaresClicked(self):
         if(self.calcAllFlaresThread is None):
-            self.btCountAllFlaresClicked.setEnabled(False)
+            self.btCountAllFlares.setEnabled(False)
             allStarsDictList = pd.DataFrame(columns=["StarName",
                                                      "SpType",
                                                      "RotVel",
@@ -385,3 +386,9 @@ class AstrodataGUI(QtWidgets.QMainWindow):
             self.calcAllFlaresThread = CalcAllFlaresThread(allStarsDictList)
             self.calcAllFlaresThread.finished.connect(self.btCountAllFlaresClickedDone)
             self.calcAllFlaresThread.start()
+
+    def btOpenSavedFlareCountFileClicked(self):
+        file = QtWidgets.QFileDialog.getOpenFileName(self, "Open saved data", filter="Counted Flares File (*.cff)")[0]
+        allFlaresList = pd.read_pickle(file)
+        self.AllFlaresWindow = FlareSummaryPlotGUI(allFlaresList)
+        self.AllFlaresWindow.show()