from guizero import App, Text, TextBox, PushButton, Box, Combo, CheckBox, Slider

def open_file():
    with open(file_name.value, "r") as f:
        editor.value = f.read()
        app.info("info", "File Opened")

def save_file():
    with open(file_name.value, "w") as f:
        f.write(editor.value)
        app.info("info", "File Saved")

def change_font():
    editor.font = font.value

def change_text_size():
    editor.text_size = size.value
    editor.resize(1, 1)
    editor.resize("fill", "fill")

def change_text_color():
    editor.text_color = font_color.value

def change_background_color():
    editor.bg = background_color.value

app = App(title="GuiZeroTextEditor_v2" , width=900, height=800)

file_controls = Box(app, align="top", width="fill", border=True)
file_name = TextBox(file_controls, text="text_file.txt", width=50, align="left")
save_button = PushButton(file_controls, text="Save", command=save_file, align="right")
open_button = PushButton(file_controls, text="Open", command=open_file, align="right")

editor = TextBox(app, multiline=True, height="fill", width="fill")

preferences_controls = Box(app, align="bottom", width="fill", border=True)
font_name = Text(preferences_controls, text="Font:" , align ="left")
font = Combo(preferences_controls, options=["Courier", "Times New Roman", "Verdana", "Piboto Condensed"], align="left", command=change_font)
font_color_text = Text(preferences_controls, text="Font color:" , align ="left")
font_color = Combo(preferences_controls, options=["black", "red", "green" , "blue" , "yellow"], align="left", command=change_text_color)
background_color_text = Text(preferences_controls, text="Background color:" , align ="left")
background_color = Combo(preferences_controls, options=["white", "black"], align="left", command=change_background_color)
size = Slider(preferences_controls,  align="left", start = 10, end = 42, command=change_text_size)

app.display()