Add a restart current file binding to page_splitter.

page_splitter.py

@@ -79,11 +79,14 @@ class PDFPreviewer:
             "← / → : Move line 1cm left/right\n"
             "'c': Rotate page 180°, 'C' : rotate all pages, ',' : rotate all files\n"
             "t s r n: keep left, next page, keep none, keep right\n"
-            "z: send this page to the end\n"
+            "z: send this page to the end, 'R':restart file\n"
         )
         self.info_label = tk.Label(master, text=instructions, justify=tk.LEFT)
         self.info_label.pack(pady=5, side=tk.TOP)
 
+        # self.restart_btn = tk.Button(master, text="Restart File (R)", command=self.restart_current_file)
+        # self.restart_btn.pack(pady=2, side=tk.TOP)
+
         self.page_label = tk.Label(master, text="", font=("Helvetica", 12))
         self.page_label.pack(pady=5, side=tk.TOP)
 
@@ -103,6 +106,8 @@ class PDFPreviewer:
         self.master.bind("s", self.confirm_and_next_page)
         self.master.bind("r", self.discard_page)
         self.master.bind("z", self.send_page_end)
+        self.master.bind("R", self.restart_current_file)  # New binding
+
 
         # Bind the resize event on the canvas
         self.canvas.bind("<Configure>", self.on_resize)
@@ -174,6 +179,31 @@ class PDFPreviewer:
         self.canvas.create_image(canvas_width / 2, canvas_height / 2, anchor="center",
                                  image=self.photo_img)
         
+    def restart_current_file(self, event=None):
+            """Restarts the processing of the current file."""
+            # Close the modified in-memory document
+            if hasattr(self, 'doc'):
+                self.doc.close()
+
+            # Re-open the file from disk to reset changes (like moved pages)
+            try:
+                self.doc = fitz.open(self.pdf_path)
+            except Exception as e:
+                messagebox.showerror("Error", f"Failed to reopen PDF file: {e}")
+                self.master.destroy()
+                return
+
+            # Reset state variables for the current file
+            self.file_rotation = 0
+            self.current_page_index = 0
+            self.page_settings = []
+            self.processing = False
+
+            # Reload UI
+            self._initialize_current_page_settings()
+            self.load_page()
+
+
     def move_line_left(self, event=None):
         """Moves the split line to the left."""
         self.current_line_x = max(0, self.current_line_x - CM_TO_POINTS / 2)