add selection exceptions

bin/ffx/show_details_screen.py

@@ -186,8 +186,13 @@ class ShowDetailsScreen(Screen):
 
 
     def handle_remove_pattern(self, screenResult):
-        row_key, col_key = self.patternTable.coordinate_to_cell_key(self.patternTable.cursor_coordinate)
-        self.patternTable.remove_row(row_key)
+
+        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):
 
@@ -61,16 +63,19 @@ class ShowsScreen(Screen):
 
     def getSelectedShowId(self):
 
-        # 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)
+        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)
+
+            if row_key is not None:
+                selected_row_data = self.table.get_row(row_key)
+                
+                return selected_row_data[0]
 
-        if row_key is not None:
-            selected_row_data = self.table.get_row(row_key)
-            
-            return selected_row_data[0]
+        except CellDoesNotExist:
+            return None
 
-        return None
 
 
 
@@ -93,10 +98,17 @@ class ShowsScreen(Screen):
 
     def handle_edit_screen(self, screenResult):
 
-        row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
+        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
+
 
-        self.table.update_cell(row_key, self.column_key_name,  screenResult['name'])
-        self.table.update_cell(row_key, self.column_key_year,  screenResult['year'])        
 
 
     def action_delete_show(self):
@@ -108,8 +120,14 @@ class ShowsScreen(Screen):
 
 
     def handle_delete_show(self, screenResult):
-        row_key, col_key = self.table.coordinate_to_cell_key(self.table.cursor_coordinate)
-        self.table.remove_row(row_key)
+
+        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):