fixed keybindings, refactoring and table focus

src/brovski-adress-etiketten-verwaltung.py

@@ -5,11 +5,10 @@ import tkinter as tk
 from configparser import NoSectionError, NoOptionError
 from tkinter import messagebox
 from tkinter import ttk
-import json
 
 from config import Config
 from connector import JSONConnector
-from windows import SettingsWindow, EditRecord, Window, show_error
+from windows import SettingsWindow, EditRecord, show_error
 
 
 class Application:
@@ -93,8 +92,10 @@ class Application:
         scrollbar.pack(side=tk.LEFT, fill=tk.Y)
 
         self.table.bind("<ButtonRelease-1>", self.mouse_click)
-        self.table.bind("<Return>", self.mouse_click_double)
+        self.table.bind("<Return>", self.enter_button)
         self.table.bind("<Double-1>", self.mouse_click_double)
+        self.root.bind("<Up>", self.focus_table)
+        self.root.bind("<Down>", self.focus_table)
 
         # bottom status bar
         tk.Label(bottom_frame, textvariable=self.statusbar).pack(side=tk.LEFT)
@@ -202,7 +203,10 @@ class Application:
         region = self.table.identify("region", event.x, event.y)
         match region:
             case "cell":
-                self.click_on_cell()
+                self.edit_selected_record()
+
+    def enter_button(self, event):
+       self.edit_selected_record()
 
     def click_on_header(self, event):
         column = self.table.identify_column(event.x)
@@ -229,7 +233,9 @@ class Application:
         self.address_list = self.model.get_all_sorted_by(field, self.sort_order)
         self.populate_table(reload=False)
 
-    def click_on_cell(self):
+    def edit_selected_record(self):
+        if self.table.focus() is None or self.table.focus() == "":
+            return
         self.current_record = int(self.table.focus())
         self.open_window_edit_records(self.current_record)
 
@@ -311,6 +317,16 @@ class Application:
         self.address_list.sort(key=lambda x: (x["firma"], x["name"]))
         self.populate_table()
 
+    def focus_table(self, event):
+        first = self.table.get_children()[0]
+        last = self.table.get_children()[-1]
+        goto = last if event.keysym == "Up" else first
+        if self.table.focus() == "":
+            self.table.selection_set(goto)
+            self.table.focus(goto)
+            self.table.see(goto)
+            self.table.focus_force()
+
 
 if __name__ == '__main__':
     Application()