added a check for maximim length of entry (1000 characters)

This commit is contained in:
Jules 2025-08-13 10:02:44 +02:00
parent 681f9b1163
commit 1f1152ebd1

View File

@ -3,7 +3,7 @@
import os
import tkinter as tk
from tkinter import ttk, StringVar
from tkinter.messagebox import showinfo
from tkinter.messagebox import showinfo, showwarning
from datetime import datetime
from PIL import Image, ImageTk
@ -13,86 +13,84 @@ MONTH = now.strftime("%m")
DAY = now.strftime("%d")
journal_filename = "%s-%s-%s-Journal.txt" % (YEAR, MONTH, DAY)
#
# determine OS to correctly save journal file and to switch back to one-branch development for convenience
if os.name == 'posix':
journal_filename_path = "./%s" % journal_filename
# Determine journal file path
journal_filename_path = "./%s" % journal_filename
if os.name == 'nt':
journal_filename_path = "$Env:AppData/%s" % journal_filename
if not os.path.exists(journal_filename_path):
with open(journal_filename_path, "w"):
# Create the file if it doesn't exist
if os.path.exists(journal_filename_path):
with open(journal_filename_path, "a", encoding="utf-8"):
pass
else:
with open(journal_filename_path, "a"):
with open(journal_filename_path, "w", encoding="utf-8"):
pass
journal = tk.Tk()
journal.attributes('-alpha', 0.5)
# Initialize main window
journal_root = tk.Tk()
#
# set window to fullscreen (dependend of the actual screensize) and fill with a background image
# Set fullscreen dimensions and background image
image_location = 'background.jpg'
width = journal.winfo_screenwidth()
height = journal.winfo_screenheight()
journal.geometry("%dx%d" % (width, height))
journal.title("Ameland Kinderjournal")
width = journal_root.winfo_screenwidth()
height = journal_root.winfo_screenheight()
journal_root.geometry("%dx%d" % (width, height))
journal_root.title("Ameland Kinderjournal")
img = ImageTk.PhotoImage(Image.open(image_location).resize((width, height), Image.ADAPTIVE))
label = tk.Label(journal, image=img)
#
# Keep a reference in case this code is put in a function.
label.img = img
#
# Place label in center of parent.
label = tk.Label(journal_root, image=img)
label.img = img # Keep a reference
label.place(relx=0.5, rely=0.5, anchor='center')
#
# store name and message
# Store name and message
name = tk.StringVar()
message = tk.StringVar()
#
# Main Window
journal = ttk.Frame(journal)
# Create main journal frame
journal = ttk.Frame(journal_root)
journal.pack(pady=100, side=tk.TOP)
#
# name
name_label = ttk.Label(journal, text = "Dein Name:")
name_label.grid(sticky = 'w', column = 0, row = 0, padx = 5, pady = 5)
name_entry = ttk.Entry(journal, textvariable = name, width = 70)
name_entry.grid(sticky = 'e', column = 0, row = 0, padx = 90, pady = 5)
# Name input
name_label = ttk.Label(journal, text="Dein Name mit Nachname:")
name_label.grid(sticky='w', column=0, row=0, padx=5, pady=5)
name_entry = ttk.Entry(journal, textvariable=name, width=65)
name_entry.grid(sticky='e', column=0, row=0, padx=100, pady=5)
name_entry.focus()
#
# textbox
# TODO: textbox need a scrollbar when applicable
# standard height of the textbox is 40 unless the screen provides more space in which case we will compute
# the textbox_heigth reasonably and relatively to the screensize
# Textbox height
textbox_height: int = 40
if height > 1080:
textbox_height = height - 1400
message_label = tk.Label(journal, text = "Deine Nachricht:")
message_label.grid(column = 0, row = 1, sticky = 'w', padx = 5)
message_text = tk.Text(journal, height = textbox_height)
message_text.grid(column = 0, row = 2, padx = 5)
# Message input
message_label = tk.Label(journal, text="Deine Nachricht:")
message_label.grid(column=0, row=1, sticky='w', padx=5)
message_text = tk.Text(journal, height=textbox_height)
message_text.grid(column=0, row=2, padx=5)
# Function to check message length
def is_message_valid():
current_message = message_text.get("1.0", "end-1c")
if len(current_message) > 1000:
showwarning("Warnung", "Deine Nachricht ist zu lang, bitte beschränke Dich auf 1000 Zeichen")
message_text.focus_set()
return False
return True
# Send button action
def send_button_clicked():
with open(journal_filename_path, "a") as journal_of_the_day:
if not is_message_valid():
return
with open(journal_filename_path, "a", encoding="utf-8") as journal_of_the_day:
journal_of_the_day.write("Eintrag von: " + name.get() + " um " + datetime.now().strftime("%Y-%m-%d %H:%M:%S") + "\n")
journal_of_the_day.write(message_text.get(1.0, "end-1c") + "\n")
journal_of_the_day.write("-----------------\n")
message_text.delete('1.0', "end-1c")
name.set("")
showinfo(title = "Information", message = "Deine Nachricht wurde gespeichert")
showinfo(title="Information", message="Deine Nachricht wurde gespeichert")
# Save and quit action
def save_and_quit_button_clicked():
with open(journal_filename_path, "a") as journal_of_the_day:
if not is_message_valid():
return
with open(journal_filename_path, "a", encoding="utf-8") as journal_of_the_day:
journal_of_the_day.write(name.get() + "\n")
journal_of_the_day.write(message_text.get(1.0, "end-1c") + "\n")
journal_of_the_day.write("-----------------\n")
@ -100,24 +98,23 @@ def save_and_quit_button_clicked():
journal_of_the_day.write("Speichern und Beenden von: " + "<noname>" + " um " + datetime.now().strftime("%Y-%m-%d %H:%M:%S") + "\n")
else:
journal_of_the_day.write("Speichern und Beenden von: " + name.get() + " um " + datetime.now().strftime("%Y-%m-%d %H:%M:%S") + "\n")
journal.quit()
journal_root.quit()
#
# Send Button
button_send = ttk.Button(
journal,
text = "Abschicken",
command = lambda: send_button_clicked()
text="Speichern und Abschicken",
command=send_button_clicked
)
button_send.grid(sticky = 'w', column = 0, row = 3, ipady = 8, padx = 5, pady = 5)
button_send.grid(sticky='w', column=0, row=3, ipady=8, padx=5, pady=5)
#
# Quit Button
button_quit = ttk.Button(
journal,
text = "Speichern und Beenden",
command = lambda: save_and_quit_button_clicked()
text="Beenden",
command=save_and_quit_button_clicked
)
button_quit.grid(sticky = 'e', column = 0, row = 3, ipady = 8, padx = 5, pady = 5)
button_quit.grid(sticky='e', column=0, row=3, ipady=8, padx=5, pady=5)
journal.mainloop()
# Start application
journal_root.mainloop()