Merge pull request #186 from nodedge/fix/fix-open-config

In Dats, fix open json configuration

nodedge/dats/dats_window.py

@@ -84,7 +84,7 @@ def __init__(self, parent=None):
         self.createActions()
         self.createMenus()
 
-        self.statusBar().showMessage("Welcome in Dats", timeout=5000)
+        self.statusBar().showMessage("Welcome to Dats", timeout=5000)
         self.statusBar().show()
 
         self._configPath = ""
@@ -702,7 +702,9 @@ def openLog(self, filename=None):
         self.updateDataItems(log)
         self.modifiedConfig = True
 
-        self.addToRecentFiles(filename)
+        if log is not None:
+            self.addToRecentFiles(filename)
+
         if len(self.workbooksTabWidget.workbooks) == 0:
             self.addWorkbook()
 

nodedge/dats/logs_list_widget.py

@@ -182,6 +182,7 @@ def openLog(self, filename) -> Optional[MDF]:
 
         else:
             logging.warning("Cannot open this extension")
+            self.unsupportedMessageWarning()
             return None
 
         self.addLog(log, shortname)
@@ -228,6 +229,21 @@ def eventFilter(self, source, event):
             return True
         return super().eventFilter(source, event)
 
+    def unsupportedMessageWarning(self) -> None:
+        """
+        Unsupported message warning.
+
+        Shows a message box saying that the data format is not supported.
+
+        :return: ``None``
+        """
+        res = QMessageBox.warning(
+            self,
+            "Unsupported file format",
+            "This data file format is not supported yet. "
+            "For further information, please refer to Nodedge documentation.",
+        )
+
 
 def remove_dummy_char_from_string(string, dummy_char=DUMMY_CHAR):
     """