feat: add status bar to UI for improved user feedback and information display

src/main.py

@@ -108,7 +108,7 @@ class MedTrackerApp:
         self.root.grid_columnconfigure(0, weight=1)
 
         # Configure main frame grid for scaling
-        for i in range(2):
+        for i in range(3):  # Changed from 2 to 3 to accommodate status bar
             main_frame.grid_rowconfigure(i, weight=1 if i == 1 else 0)
             main_frame.grid_columnconfigure(i, weight=3 if i == 1 else 1)
         logger.debug("Main frame and root grid configured for scaling.")
@@ -155,9 +155,15 @@ class MedTrackerApp:
         self.tree: ttk.Treeview = table_ui["tree"]
         self.tree.bind("<Double-1>", self.handle_double_click)
 
+        # --- Create Status Bar ---
+        self.status_bar = self.ui_manager.create_status_bar(main_frame)
+
         # Load data
         self.refresh_data_display()
 
+        # Initialize status bar with ready message
+        self.ui_manager.update_status("Application ready", "info")
+
     def _setup_menu(self) -> None:
         """Set up the menu bar."""
         menubar = tk.Menu(self.root)
@@ -182,22 +188,29 @@ class MedTrackerApp:
 
     def _open_export_window(self) -> None:
         """Open the export window."""
+        self.ui_manager.update_status("Opening export window", "info")
         ExportWindow(self.root, self.export_manager)
 
     def _open_pathology_manager(self) -> None:
         """Open the pathology management window."""
+        self.ui_manager.update_status("Opening pathology manager", "info")
         PathologyManagementWindow(
             self.root, self.pathology_manager, self._refresh_ui_after_config_change
         )
 
     def _open_medicine_manager(self) -> None:
         """Open the medicine management window."""
+        self.ui_manager.update_status("Opening medicine manager", "info")
         MedicineManagementWindow(
             self.root, self.medicine_manager, self._refresh_ui_after_config_change
         )
 
     def _refresh_ui_after_config_change(self) -> None:
         """Refresh UI components after pathology or medicine configuration changes."""
+        self.ui_manager.update_status(
+            "Refreshing UI after configuration change", "info"
+        )
+
         # Clear caches in optimized data manager
         if hasattr(self.data_manager, "_invalidate_cache"):
             self.data_manager._invalidate_cache()
@@ -238,14 +251,22 @@ class MedTrackerApp:
         # Refresh data display
         self.refresh_data_display()
 
+        # Update status to show completion
+        self.ui_manager.update_status("UI refreshed successfully", "success")
+
     def handle_double_click(self, event: tk.Event) -> None:
         """Handle double-click event to edit an entry."""
         logger.debug("Double-click event triggered on treeview.")
         if len(self.tree.get_children()) > 0:
             item_id = self.tree.selection()[0]
             item_values = self.tree.item(item_id, "values")
+            self.ui_manager.update_status(
+                f"Opening entry for {item_values[0]} for editing", "info"
+            )
             logger.debug(f"Editing item_id={item_id}, values={item_values}")
             self._create_edit_window(item_id, item_values)
+        else:
+            self.ui_manager.update_status("No entries to edit", "warning")
 
     def _create_edit_window(self, item_id: str, values: tuple[str, ...]) -> None:
         """Create a new Toplevel window for editing an entry."""
@@ -347,8 +368,10 @@ class MedTrackerApp:
 
         values.append(note)
 
+        self.ui_manager.update_status("Saving changes...", "info")
         if self.data_manager.update_entry(original_date, values):
             edit_win.destroy()
+            self.ui_manager.update_status("Entry updated successfully!", "success")
             messagebox.showinfo(
                 "Success", "Entry updated successfully!", parent=self.root
             )
@@ -358,6 +381,7 @@ class MedTrackerApp:
             # Check if it's a duplicate date issue
             df = self.data_manager.load_data()
             if original_date != date and not df.empty and date in df["date"].values:
+                self.ui_manager.update_status("Duplicate date found", "error")
                 messagebox.showerror(
                     "Error",
                     f"An entry for date '{date}' already exists. "
@@ -365,6 +389,7 @@ class MedTrackerApp:
                     parent=edit_win,
                 )
             else:
+                self.ui_manager.update_status("Failed to save changes", "error")
                 messagebox.showerror("Error", "Failed to save changes", parent=edit_win)
 
     def handle_window_closing(self) -> None:
@@ -409,10 +434,13 @@ class MedTrackerApp:
 
         # Check if date is empty
         if not self.date_var.get().strip():
+            self.ui_manager.update_status("Please enter a date", "error")
             messagebox.showerror("Error", "Please enter a date.", parent=self.root)
             return
 
+        self.ui_manager.update_status("Adding new entry...", "info")
         if self.data_manager.add_entry(entry):
+            self.ui_manager.update_status("Entry added successfully!", "success")
             messagebox.showinfo(
                 "Success", "Entry added successfully!", parent=self.root
             )
@@ -422,6 +450,7 @@ class MedTrackerApp:
             # Check if it's a duplicate date by trying to load existing data
             df = self.data_manager.load_data()
             if not df.empty and self.date_var.get() in df["date"].values:
+                self.ui_manager.update_status("Duplicate entry found", "error")
                 messagebox.showerror(
                     "Error",
                     f"An entry for date '{self.date_var.get()}' already exists. "
@@ -429,6 +458,7 @@ class MedTrackerApp:
                     parent=self.root,
                 )
             else:
+                self.ui_manager.update_status("Failed to add entry", "error")
                 messagebox.showerror("Error", "Failed to add entry", parent=self.root)
 
     def _delete_entry(self, edit_win: tk.Toplevel, item_id: str) -> None:
@@ -443,13 +473,16 @@ class MedTrackerApp:
             date: str = self.tree.item(item_id, "values")[0]
             logger.debug(f"Deleting entry with date={date}")
 
+            self.ui_manager.update_status("Deleting entry...", "info")
             if self.data_manager.delete_entry(date):
                 edit_win.destroy()
+                self.ui_manager.update_status("Entry deleted successfully!", "success")
                 messagebox.showinfo(
                     "Success", "Entry deleted successfully!", parent=self.root
                 )
                 self.refresh_data_display()
             else:
+                self.ui_manager.update_status("Failed to delete entry", "error")
                 messagebox.showerror("Error", "Failed to delete entry", parent=edit_win)
 
     def _clear_entries(self) -> None:
@@ -471,38 +504,52 @@ class MedTrackerApp:
         if children:
             self.tree.delete(*children)
 
-        # Load data from the CSV file
+        try:
-        df: pd.DataFrame = self.data_manager.load_data()
+            # Load data from the CSV file
+            df: pd.DataFrame = self.data_manager.load_data()
 
-        # Update the treeview with the data
+            # Update the treeview with the data
-        if not df.empty:
+            if not df.empty:
-            # Build display columns dynamically (exclude dose columns for table view)
+                # Build display columns dynamically
-            display_columns = ["date"]
+                # (exclude dose columns for table view)
+                display_columns = ["date"]
 
-            # Add pathology columns
+                # Add pathology columns
-            for pathology_key in self.pathology_manager.get_pathology_keys():
+                for pathology_key in self.pathology_manager.get_pathology_keys():
-                display_columns.append(pathology_key)
+                    display_columns.append(pathology_key)
 
-            # Add medicine columns (without dose columns)
+                # Add medicine columns (without dose columns)
-            for medicine_key in self.medicine_manager.get_medicine_keys():
+                for medicine_key in self.medicine_manager.get_medicine_keys():
-                display_columns.append(medicine_key)
+                    display_columns.append(medicine_key)
 
-            display_columns.append("note")
+                display_columns.append("note")
 
-            # Filter to only the columns we want to display
+                # Filter to only the columns we want to display
-            if all(col in df.columns for col in display_columns):
+                if all(col in df.columns for col in display_columns):
-                display_df = df[display_columns]
+                    display_df = df[display_columns]
+                else:
+                    # Fallback - just use all columns
+                    display_df = df
+
+                # Batch insert for better performance
+                for _index, row in display_df.iterrows():
+                    self.tree.insert(parent="", index="end", values=list(row))
+                logger.debug(f"Loaded {len(display_df)} entries into treeview.")
+
+            # Update the graph
+            self.graph_manager.update_graph(df)
+
+            # Update status bar with file info
+            entry_count = len(df) if not df.empty else 0
+            self.ui_manager.update_file_info(self.filename, entry_count)
+            if entry_count == 0:
+                self.ui_manager.update_status("No data to display", "warning")
             else:
-                # Fallback - just use all columns
+                self.ui_manager.update_status("Data loaded successfully", "success")
-                display_df = df
 
-            # Batch insert for better performance
+        except Exception as e:
-            for _index, row in display_df.iterrows():
+            logger.error(f"Error loading data: {e}")
-                self.tree.insert(parent="", index="end", values=list(row))
+            self.ui_manager.update_status(f"Error loading data: {str(e)}", "error")
-            logger.debug(f"Loaded {len(display_df)} entries into treeview.")
-
-        # Update the graph
-        self.graph_manager.update_graph(df)
 
 
 if __name__ == "__main__":

src/ui_manager.py

@@ -28,6 +28,11 @@ class UIManager:
         self.medicine_manager = medicine_manager
         self.pathology_manager = pathology_manager
 
+        # Status bar attributes
+        self.status_bar: tk.Frame | None = None
+        self.status_label: tk.Label | None = None
+        self.file_info_label: tk.Label | None = None
+
     def setup_application_icon(self, img_path: str) -> bool:
         """Set up the application icon."""
         try:
@@ -297,6 +302,103 @@ class UIManager:
 
         return button_frame
 
+    def create_status_bar(self, parent_frame: tk.Widget) -> tk.Frame:
+        """Create and configure the status bar at the bottom of the application."""
+        # Create the status bar frame
+        self.status_bar = tk.Frame(parent_frame, relief=tk.SUNKEN, bd=1)
+        self.status_bar.grid(row=2, column=0, columnspan=2, sticky="ew", padx=5, pady=2)
+
+        # Configure the parent to make the status bar stretch
+        parent_frame.grid_columnconfigure(0, weight=1)
+
+        # Create status message label (left side)
+        self.status_label = tk.Label(
+            self.status_bar,
+            text="Ready",
+            anchor=tk.W,
+            font=("TkDefaultFont", 9),
+            padx=10,
+            pady=2,
+        )
+        self.status_label.pack(side=tk.LEFT, fill=tk.X, expand=True)
+
+        # Create file info label (right side)
+        self.file_info_label = tk.Label(
+            self.status_bar,
+            text="",
+            anchor=tk.E,
+            font=("TkDefaultFont", 9),
+            padx=10,
+            pady=2,
+        )
+        self.file_info_label.pack(side=tk.RIGHT)
+
+        return self.status_bar
+
+    def update_status(self, message: str, message_type: str = "info") -> None:
+        """
+        Update the status bar with a message.
+
+        Args:
+            message: The message to display
+            message_type: Type of message ('info', 'success', 'warning', 'error')
+        """
+        if not self.status_label:
+            return
+
+        # Color mapping for different message types
+        colors = {
+            "info": "#000000",  # Black
+            "success": "#28A745",  # Green
+            "warning": "#FFC107",  # Yellow/Orange
+            "error": "#DC3545",  # Red
+        }
+
+        color = colors.get(message_type, "#000000")
+        self.status_label.config(text=message, fg=color)
+
+        # Clear the message after 5 seconds for non-info messages
+        if message_type != "info":
+            self.root.after(5000, lambda: self.update_status("Ready", "info"))
+
+    def update_file_info(self, filename: str, entry_count: int = 0) -> None:
+        """
+        Update the file information in the status bar.
+
+        Args:
+            filename: Name of the current data file
+            entry_count: Number of entries in the file
+        """
+        if not self.file_info_label:
+            return
+
+        file_display = os.path.basename(filename) if filename else "No file"
+        info_text = f"{file_display}"
+        if entry_count > 0:
+            info_text += f" ({entry_count} entries)"
+
+        self.file_info_label.config(text=info_text)
+
+    def show_status_message(self, message: str, duration: int = 3000) -> None:
+        """
+        Show a temporary status message for a specific duration.
+
+        Args:
+            message: The message to display
+            duration: How long to show the message in milliseconds
+        """
+        if not self.status_label:
+            return
+
+        original_text = self.status_label.cget("text")
+        original_color = self.status_label.cget("fg")
+
+        self.status_label.config(text=message, fg="#2E86AB")
+        self.root.after(
+            duration,
+            lambda: self.status_label.config(text=original_text, fg=original_color),
+        )
+
     def create_edit_window(
         self, values: tuple[str, ...], callbacks: dict[str, Callable]
     ) -> tk.Toplevel: