Changeset cb0d17c in sasview for guiframe

Timestamp:

Aug 1, 2009 8:20:08 AM (15 years ago)

Author:

Mathieu Doucet <doucetm@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

d7412e0

Parents:

e082e2c

Message:

guiframe: pop up error message when a file can't be loaded.

File:

• guiframe/data_loader.py (modified) (2 diffs)

guiframe/data_loader.py

@@ -71 +71 @@
     return None, None, None, None
 
+def load_error(error=None):
+    """
+        Pop up an error message.
+        
+        @param error: details error message to be displayed
+    """
+    message = "You had to try this, didn't you?\n\n"
+    message += "The data file you selected could not be loaded.\n"
+    message += "Make sure the content of your file is properly formatted.\n\n"
+    
+    if error is not None:
+        message += "When contacting the DANSE team, mention the following:\n%s" % str(error)
+    
+    dial = wx.MessageDialog(None, message, 'Error Loading File', wx.OK | wx.ICON_EXCLAMATION)
+    dial.ShowModal()    
+
 def plot_data(parent, path):
     """
@@ -79 +95 @@
     from DataLoader.loader import  Loader
    
-    #Instantiate a loader 
+    # Instantiate a loader 
     L = Loader()
     
-    #Recieves data 
+    # Load data 
     try:
         output=L.load(path)
-        if output==None:
-            msg="Could not open this page"
-            wx.PostEvent(parent, StatusEvent(status=msg))
-            return
     except:
-        wx.PostEvent(parent, StatusEvent(status="Problem loading file: %s" % sys.exc_value))
+        load_error(sys.exc_value)
         return
     
+    # Notify user if the loader completed the load but no data came out
+    if output == None:
+        load_error("The data file appears to be empty.")
+        return
   
     filename = os.path.basename(path)