aggiunti eta

backuptools/gui/main_window.py

@@ -57,6 +57,9 @@ class BackupApplicationWindow:
         self._included_ext_stats: dict = {}
         self._excluded_ext_stats: dict = {}
         self._confirmation_dialog_active = False
+        # Timestamps for ETA calculations
+        self._scan_start_time = None
+        self._zip_start_time = None
 
         self._setup_styles()
         self._create_widgets()
@@ -167,6 +170,8 @@ class BackupApplicationWindow:
         self.status_file_label.grid(row=0, column=0, sticky="ew", padx=5)
         self.status_size_label = ttk.Label(status_bar_frame, text="Size: 0.00 MB / 0.00 MB", anchor="e", width=30)
         self.status_size_label.grid(row=0, column=1, sticky="e", padx=5)
+        self.status_time_label = ttk.Label(status_bar_frame, text="", anchor="e", width=40)
+        self.status_time_label.grid(row=0, column=2, sticky="e", padx=5)
 
         # Permetti alla riga delle esclusioni di espandersi se necessario
         main_frame.rowconfigure(3, weight=1) 
@@ -282,6 +287,19 @@ class BackupApplicationWindow:
              self.config_data.pop("last_active_profile", None)
         app_settings.save_application_data(self.config_data)
 
+    def _format_seconds(self, seconds: float) -> str:
+        """Return a human readable H:MM:SS for given seconds."""
+        try:
+            s = int(round(seconds))
+            hrs = s // 3600
+            mins = (s % 3600) // 60
+            secs = s % 60
+            if hrs:
+                return f"{hrs}:{mins:02d}:{secs:02d}"
+            return f"{mins:02d}:{secs:02d}"
+        except Exception:
+            return "--:--"
+
     def _browse_directory(self, dir_var: StringVar) -> None:
         current_path = dir_var.get()
         initial_dir = current_path if Path(current_path).is_dir() else str(Path.home())
@@ -370,6 +388,20 @@ class BackupApplicationWindow:
         display_path = Path(current_file_path).name
         self.status_file_label.config(text=f"Scanning: {display_path}")
         self.status_size_label.config(text=f"File {current_file_idx+1}/{total_files}")
+        # ETA / elapsed calculation
+        try:
+            if not self._scan_start_time:
+                self._scan_start_time = datetime.now()
+            elapsed = (datetime.now() - self._scan_start_time).total_seconds()
+            frac = (current_file_idx + 1) / total_files if total_files > 0 else 0
+            if frac > 0:
+                remaining = elapsed * (1.0 / frac - 1.0)
+                eta_text = f"Elapsed: {self._format_seconds(elapsed)}  |  ETA: {self._format_seconds(remaining)}"
+            else:
+                eta_text = f"Elapsed: {self._format_seconds(elapsed)}  |  ETA: --:--"
+            self.status_time_label.config(text=eta_text)
+        except Exception:
+            pass
         self.root.update_idletasks()
 
     def _update_zip_progress(self, processed_mb: float, total_mb: float, arcname: str) -> None:
@@ -379,12 +411,33 @@ class BackupApplicationWindow:
         display_arcname = Path(arcname).name
         self.status_file_label.config(text=f"Archiving: {display_arcname}")
         self.status_size_label.config(text=f"{processed_mb:.2f} MB / {total_mb:.2f} MB")
+        # ETA / elapsed calculation for zip
+        try:
+            if not self._zip_start_time:
+                self._zip_start_time = datetime.now()
+            elapsed = (datetime.now() - self._zip_start_time).total_seconds()
+            frac = (processed_mb / total_mb) if total_mb > 0 else 0
+            if frac > 0:
+                remaining = elapsed * (1.0 / frac - 1.0)
+                eta_text = f"Elapsed: {self._format_seconds(elapsed)}  |  ETA: {self._format_seconds(remaining)}"
+            else:
+                eta_text = f"Elapsed: {self._format_seconds(elapsed)}  |  ETA: --:--"
+            self.status_time_label.config(text=eta_text)
+        except Exception:
+            pass
         self.root.update_idletasks()
 
     def _reset_progress_status(self, message: str = "Idle") -> None:
         self.progress_bar["value"] = 0
         self.status_file_label.config(text=f"Status: {message}")
         self.status_size_label.config(text="Size: 0.00 MB / 0.00 MB")
+        # clear ETA timestamps and label
+        self._scan_start_time = None
+        self._zip_start_time = None
+        try:
+            self.status_time_label.config(text="")
+        except Exception:
+            pass
 
     def _toggle_ui_elements(self, enabled: bool) -> None:
         state_tk_text = tk.NORMAL if enabled else tk.DISABLED