still setting up and testing basic structure

src/brovski-adress-etiketten-verwaltung.py

@@ -1,48 +1,190 @@
+import csv
+import os
 import tkinter as tk
+from configparser import NoSectionError, NoOptionError
+from configparser import ConfigParser
+from tkinter import messagebox
 from tkinter import ttk
-from tksheet import Sheet
+import json
 
 
-def load_file():
+class Config:
-    print("loading file")
+    parser: ConfigParser
+
+    def __init__(self):
+        """
+        Config parser reading config.ini
+
+        Attributes:
+            self.parser: ConfigParser holding list of sections and options
+            self.__filename: Path and name to the config file
+        """
+        self.parser = ConfigParser()
+
+        self.config_file_name = "config.ini"
+        self.root_path = os.path.dirname(os.path.abspath(__file__))
+        self.config_file = os.path.join(self.root_path, self.config_file_name)
+
+        self._load()
+
+    def _save(self):
+        with open(self.config_file, 'w') as outfile:
+            self.parser.write(outfile)
+
+    def _load(self):
+        self.parser.read(self.config_file)
+
+    def add_section(self, section):
+        self._load()
+        self.parser.add_section(section)
+        self._save()
+
+    def set(self, section: str, option: str, value: str):
+        self._load()
+        self.parser.set(section, option, value)
+        self._save()
+
+    def get(self, section: str, option: str):
+        self._load()
+        return self.parser.get(section, option)
 
 
-def save_file():
+class Application:
-    print("saving file")
+    def __init__(self):
+        self.config = Config()
+
+        self.address_list = []
+
+        # json vars
+        self.json_file_name = "address_data.json"
+        self.root_path = os.path.dirname(os.path.abspath(__file__))
+        self.json_file = os.path.join(self.root_path, self.json_file_name)
+
+        # tkinter settings
+        x_offset = 700
+        y_offset = 400
+        title = "Brovski Adress-Etiketten Verwaltung"
+
+        self.root = tk.Tk()
+        self.root.title(title)
+        self.root.geometry(f"+{x_offset}+{y_offset}")
+
+        top_frame = tk.Frame(self.root)
+        top_frame.pack(side=tk.TOP, fill=tk.X)
+        button_width = 8
+        tk.Button(top_frame, text="Load", command=self.load_file, width=button_width).grid(row=0, column=0)
+        tk.Button(top_frame, text="Safe", command=self.save_file, width=button_width).grid(row=0, column=1)
+        tk.Button(top_frame, text="Export CSV", command=self.export_csv, width=button_width).grid(row=0, column=2)
+        tk.Button(top_frame, text="Insert", command=self.export_csv, width=button_width).grid(row=1, column=0)
+        tk.Button(top_frame, text="Delete", command=self.export_csv, width=button_width).grid(row=1, column=1)
+
+        self.firma = tk.StringVar()
+        self.name = tk.StringVar()
+        self.strasse = tk.StringVar()
+        self.plz_ort = tk.StringVar()
+
+        edit_frame = tk.Frame(self.root)
+        edit_frame.pack(side=tk.TOP, fill=tk.X)
+        tk.Label(edit_frame, text="Firma").grid(row=0, column=0)
+        tk.Label(edit_frame, text="Name").grid(row=0, column=1)
+        tk.Label(edit_frame, text="Strasse").grid(row=0, column=3)
+        tk.Label(edit_frame, text="Plz/Ort").grid(row=0, column=4)
+        edit_firma = tk.Entry(edit_frame, textvariable=self.firma)
+        edit_firma.grid(row=1, column=0)
+        edit_name = tk.Entry(edit_frame, textvariable=self.name)
+        edit_name.grid(row=1, column=1)
+        edit_strasse = tk.Entry(edit_frame, textvariable=self.strasse)
+        edit_strasse.grid(row=1, column=3)
+        edit_plz_ort = tk.Entry(edit_frame, textvariable=self.plz_ort)
+        edit_plz_ort.grid(row=1, column=4)
+
+        data_frame = tk.Frame(self.root, bg="teal")
+        data_frame.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
+
+        self.table = ttk.Treeview(data_frame, columns=("0", "1", "2", "3", "4"), show="headings")
+        self.table.heading('0', text="Aktiv")
+        self.table.heading('1', text="Firma")
+        self.table.heading('2', text="Name")
+        self.table.heading('3', text="Strasse")
+        self.table.heading('4', text="Plz/Ort")
+        self.table.pack()
+
+        self.load_file()
+
+        self.root.mainloop()
+
+    def load_file(self):
+        try:
+            with open(self.json_file, "r", encoding="utf-8") as f:
+                self.address_list = json.load(f)
+                self.address_list.sort(key=lambda x: (x[0], x[1]))
+        except FileNotFoundError:
+            self.show_error(
+                message_title="File not found",
+                message=f"{self.json_file_name} not found, creating empty file at {self.root_path}"
+            )
+            self.address_list = [["firma", "name", "adresse", "plz/ort"]]
+            with open(self.json_file, "w", encoding="utf-8") as f:
+                json.dump(self.address_list, f)
+        self.populate_table()
+
+    def save_file(self):
+        try:
+            with open(self.json_file, "w", encoding="utf-8") as f:
+                json.dump(self.address_list, f, indent=4, sort_keys=True)
+        except FileNotFoundError:
+            self.show_error(
+                message_title="Unexpected Error: File not found?!", message=f"{self.json_file_name} not found"
+            )
+
+    def export_csv(self):
+        try:
+            file_name = self.config.get("csv", "file_name")
+        except NoOptionError:
+            self.show_error("Error: Option missing", "Option file_name is missing [csv]")
+            return
+
+        try:
+            path = self.config.get("csv", "path")
+        except NoOptionError:
+            self.show_error("Error: Option missing", "Option path is missing [csv]")
+            return
+
+        if file_name == "":
+            self.show_error("Error: Bad config file", "var file_name for section [csv] not set")
+            return
+
+        if path == "":
+            self.show_error(
+                "Alert: CSV path not set",
+                f"var path for section [csv] not set, file will be saved in {self.root_path}"
+            )
+            path = self.root_path
+
+        csv_file = os.path.join(path, file_name)
+        try:
+            with open(csv_file, "w", encoding="utf-8") as f:
+                writer = csv.writer(f, delimiter=",")
+                for address in self.address_list:
+                    if address[0] == "":
+                        del address[0]
+                    writer.writerow(address)
+        except FileNotFoundError:
+            self.show_error("Unexpected error", f"Could not write file {csv_file}")
 
 
-def export_csv():
+    def populate_table(self):
-    print("exporting csv")
+        self.delete_all_table_items()
+        for index, item in enumerate(self.address_list):
+            self.table.insert('', 'end', iid=index, values=item)
+
+    def delete_all_table_items(self):
+        for item in self.table.get_children():
+            self.table.delete(item)
+
+    def show_error(self, message_title: str, message: str):
+        messagebox.showwarning(title=message_title, message=message)
 
 
-customers = [
+if __name__ == '__main__':
-    ["", "hans muster", "musterstrasse", "musterort"],
+    Application()
-    ["muster-firma", "peter muster", "peterstrasse", "peterort"],
-]
-window_width = 500
-window_height = 400
-x_offset = 700
-y_offset = 400
-
-root = tk.Tk()
-# root.geometry(f"{window_width}x{window_height}+{x_offset}+{y_offset}")
-root.geometry(f"+{x_offset}+{y_offset}")
-
-top_frame = tk.Frame(root)
-top_frame.pack(side=tk.TOP, fill=tk.X)
-
-tk.Button(top_frame, text="Load", command=load_file).pack(side=tk.LEFT)
-tk.Button(top_frame, text="Safe", command=save_file).pack(side=tk.LEFT)
-tk.Button(top_frame, text="Export CSV", command=export_csv).pack(side=tk.LEFT)
-
-data_frame = tk.Frame(root, bg="teal")
-data_frame.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
-
-table = ttk.Treeview(data_frame, columns=("firma, name, strasse, plzort"), show="headings")
-table.heading('firma', text="Firma")
-table.heading('name', text="Name")
-table.heading('strasse', text="Strasse")
-table.heading('plzort', text="PLZ/Ort")
-table.pack()
-
-root.mainloop()