add selection exceptions

bin/ffx/show_details_screen.py

@@ -186,9 +186,14 @@ class ShowDetailsScreen(Screen):
 
 
     def handle_remove_pattern(self, screenResult):
+
+        try:
             row_key, col_key = self.patternTable.coordinate_to_cell_key(self.patternTable.cursor_coordinate)
             self.patternTable.remove_row(row_key)
 
+        except CellDoesNotExist:
+            pass
+
 
     def compose(self):
 

bin/ffx/shows_screen.py

@@ -12,6 +12,8 @@ from .show_delete_screen import ShowDeleteScreen
 
 from .help_screen import HelpScreen
 
+from textual.widgets._data_table import CellDoesNotExist
+
 
 class ShowsScreen(Screen):
 
@@ -61,6 +63,7 @@ class ShowsScreen(Screen):
 
     def getSelectedShowId(self):
 
+        try:
             # Fetch the currently selected row when 'Enter' is pressed
             #selected_row_index = self.table.cursor_row
             row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
@@ -70,10 +73,12 @@ class ShowsScreen(Screen):
                 
                 return selected_row_data[0]
 
+        except CellDoesNotExist:
             return None
 
 
 
+
     def action_new_show(self):
         self.app.push_screen(ShowDetailsScreen(), self.handle_new_screen)
 
@@ -93,11 +98,18 @@ class ShowsScreen(Screen):
 
     def handle_edit_screen(self, screenResult):
 
+        try:
+
             row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
 
             self.table.update_cell(row_key, self.column_key_name,  screenResult['name'])
             self.table.update_cell(row_key, self.column_key_year,  screenResult['year'])        
 
+        except CellDoesNotExist:
+            pass
+
+
+
 
     def action_delete_show(self):
             
@@ -108,9 +120,15 @@ class ShowsScreen(Screen):
 
 
     def handle_delete_show(self, screenResult):
+
+        try:
             row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
             self.table.remove_row(row_key)
 
+        except CellDoesNotExist:
+            pass
+
+
 
     def loadShows(self):