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notepad_mini.py
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notepad_mini.py
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import datetime
import json
import mimetypes
import os
import guizero
import lxml.html
import lxml.etree
class NotepadMini:
def __init__(self) -> None:
self.App = guizero.App(title="Notepad Mini", width=750, height=450)
self.File = None
self.FileModified = False
self.Filetypes = [
("Text document", "*.txt"),
("HTML document", "*.html"),
("Cascading StyleSheet", "*.css"),
("JavaScript file", "*.js"),
("Python code", "*.py"),
("Java code", "*.java"),
("C# code", "*.cs"),
("All files","*.*"),
]
self.FontFamily = "Times"
self.FontSize = 15
self.Menu = guizero.MenuBar(
self.App,
[
"File", "Format"
],
[
[
[ "New file", self.NewFile ],
[ "Open file", self.OpenFile ],
[ "Save file", self.SaveFile ],
[ "File info", self.FileInfo ],
],
[
[ "Font", self.FontSettings ],
[ "Format document", self.FormatDoc ]
],
],
)
self.Textarea = guizero.TextBox(self.App, width="fill", height="fill",multiline=True, scrollbar=True)
self.Textarea.update_command(self.contentModified)
self.Textarea.font = self.FontFamily
self.Textarea.text_size = self.FontSize
self.App.when_closed = self.closeApp
def FormatDoc(self):
window = guizero.Window(self.App, "Format Document",width=200, height=175, layout="box")
label = guizero.Text(window, "Select Language\n")
label.text_size = 10
value = guizero.ListBox(window, [
"JSON", "HTML"
], height=50, width= 175, scrollbar=True)
guizero.PushButton(window, text="Format", command=self.FormatDocument, args=(value,window))
def FormatDocument(self, pl, window):
is_formatted = False
if(pl.value == "JSON"):
try:
value = json.dumps(json.loads(self.Textarea.value), indent=4)
except json.decoder.JSONDecodeError:
window.error("Format document", "Parsing failed!")
else:
is_formatted = True
self.Textarea.value = value
elif(pl.value == "HTML"):
try:
doc = lxml.html.fromstring(self.Textarea.value)
value = lxml.html.tostring(doc, pretty_print=True)
except lxml.etree.ParserError:
window.error("Format document", "Parsing failed!")
else:
is_formatted = True
self.Textarea.value = value.decode()
if is_formatted:
self.FileModified = True
window.destroy()
def contentModified(self):
if len(self.Textarea.value) > 1:
self.FileModified = True
else:
if self.File:
self.FileModified = True
else:
self.FileModified = False
def closeApp(self):
if self.FileModified:
que = self.App.yesno("File modified","Do you want to save file content?")
if que:
self.SaveFile()
self.App.destroy()
def setFont(self, e, e1, window):
self.FontFamily = e.value
self.FontSize = e1.value
self.Textarea.font = self.FontFamily
self.Textarea.text_size = self.FontSize
window.destroy()
def FontSettings(self):
window = guizero.Window(
master=self.App,
title="Font Settings",
width=400,
height=300,
layout="grid"
)
label1 = guizero.Text(
window,"Font family",
grid=[0,0],
align="left"
)
label1.text_size = 10
family = guizero.ListBox(window,
items=[
"Arial", "Calibri", "Courier", "Georgia", "Verdana", "Tahoma", "Times", "Trebuchet MS"
],
grid=[0,1],
scrollbar=True,
height=100,
width=100,
selected=self.FontFamily
)
label2 = guizero.Text(
window,"Font size",
grid=[1,0],
align="left"
)
label2.text_size = 10
size = guizero.ListBox(
window,
list(x for x in range(8,32, 4))+list(x for x in range(32, 124,6)),
width=100,
height=100,
grid=[1, 1],
scrollbar=True,
selected=self.FontSize
)
guizero.PushButton(window, command=self.setFont, args=(family, size, window), text="Update font", grid=[3,3])
def FileInfo(self):
if not self.File:
self.App.error("File info", "Please select a file to get details.")
return
stats = os.stat(self.File.name)
window = guizero.Window(self.App, "File info : {}".format(self.File.name), width=400, height=500, layout="grid")
window.text_size = 10
guizero.Text(window, "", grid=[0,0])
guizero.Text(window, "", grid=[1, 0])
guizero.Text(window, "File : ", grid=[0,1], align="right")
guizero.Text(window, self.File.name, grid=[1, 1], align="left")
guizero.Text(window, "Created at : ", grid=[0,2], align="right")
guizero.Text(window, datetime.datetime.fromtimestamp(stats.st_ctime).strftime("%d/%m/%Y %H:%M:%S"), grid=[1,2], align="left")
guizero.Text(window, " Last modified at : ", grid=[0,3], align="right")
guizero.Text(window, datetime.datetime.fromtimestamp(stats.st_mtime).strftime("%d/%m/%Y %H:%M:%S"), grid=[1,3], align="left")
guizero.Text(window, "File size : ", grid=[0,4], align="right")
guizero.Text(window, "{:.2f} KB(s)".format(stats.st_size/1024), grid=[1,4], align="left")
m = mimetypes.MimeTypes()
mimetype = m.guess_type(self.File.name)[0]
if not mimetype:
mimetype = "Undefined"
guizero.Text(window, "File type : ", grid=[0,5], align="right")
guizero.Text(window, mimetype, grid=[1,5], align="left")
guizero.Text(window, "Total lines : ", grid=[0,6], align="right")
guizero.Text(window, len(self.Textarea.value.splitlines()), grid=[1,6], align="left")
guizero.Text(window, "Total words : ", grid=[0,7], align="right")
guizero.Text(window, len(self.Textarea.value.split(" ")), grid=[1,7], align="left")
guizero.Text(window, "Total characters : ", grid=[0,8], align="right")
guizero.Text(window, len(self.Textarea.value), grid=[1,8], align="left")
def NewFile(self):
self.Textarea.value = ""
self.File = None
self.FileModified = None
self.App.title = "Notepad Mini"
def OpenFile(self):
file = guizero.filedialog.askopenfile(mode="r",filetypes=self.Filetypes)
if not file:
return
try:
self.Textarea.value = file.read()
self.File = file
except UnicodeDecodeError:
self.App.error(
"File data error",
"File contains data in another format!"
)
else:
self.App.title = "Notepad Mini File : {}".format(file.name)
finally:
file.close()
self.FileModified = False
def SaveFile(self):
if not self.File:
file = guizero.filedialog.asksaveasfile("w",
defaultextension=".txt",
filetypes=self.Filetypes
)
if not file:
return
self.File = file
if self.File.closed:
self.File = open(self.File.name, "w")
self.File.write(self.Textarea.value)
self.File.close()
self.FileModified = False
notepad = NotepadMini()
notepad.App.display()