Fix open and save as method (#2 and #18).

View/mainwindow.py

@@ -262,13 +262,18 @@ class Ui_MainWindow(object):
 
     def save_as(self):
         CreateTableForSaveAs()
-        self.mainwindow.setWindowTitle("AcouSed - " + stg.filename_save_as + ".acd")
+        self.mainwindow.setWindowTitle(
+            "AcouSed - " +
+            stg.filename_save_as
+        )
 
     def save(self):
         UpdateTableForSave()
 
     def open(self):
-        ReadTableForOpen()
+        reader = ReadTableForOpen()
+        if reader.opened:
+            self.mainwindow.open_study_update_tabs()
 
     def load_calibration_constant_values(self):
         cc_kt = CalibrationConstantKt()