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import tkinter as tk
from tkinter import ttk
from tkinter import filedialog as filedialogue
from tkinter import messagebox
import datetime
import subprocess
import fortranText
import resultsPane
import shutil
import sys
import os
class Application(tk.Tk):
"""Class for implementing a simple IDE using Python tkinter.
Inherits from tk.Tk, all widgets are packed inside PanedWindows
for users to expand or shrink as nessicary.
Args:
tk (Tk): A tk.Tk object to inherit from
"""
def __init__(self, program_jar, current_file = "unsaved program", *args, **kwargs):
super().__init__(*args, **kwargs)
self.title("esotericFORTRAN IDE - %s" % current_file)
self.program_jar = program_jar
self.current_file = current_file
# add widgets
self.mainpain = ttk.PanedWindow(self, orient = tk.HORIZONTAL)
self.mainpain.pack(fill = tk.BOTH, expand = True, side = tk.TOP)
self.fortran_frame = fortranText.FortranText(self)
self.mainpain.add(self.fortran_frame)
self.results_pane = resultsPane.ResultsPane(self)
self.mainpain.add(self.results_pane)
# setup menubar
self.menu = ApplicationMenu(self)
self.config(menu = self.menu)
# set up bindings etc
self.bind('<Control-n>', lambda a: self.new_file())
self.bind('<Control-o>', lambda a: self.open_file())
self.bind('<Control-s>', lambda a: self.save_file())
self.bind('<Control-S>', lambda a: self.save_file_as())
self.bind('<F3>', lambda a: self.reload_file())
self.bind('<F4>', lambda a: self.results_pane.clear_results())
self.bind('<F5>', lambda a: self.execute())
self.protocol("WM_DELETE_WINDOW", self.exit)
def new_file(self):
self.fortran_frame.clear()
self.save_file_as()
def open_file(self):
"""Called when the user selects the button to open a file or the
necessary keyboard shortcuts. File is opened and inserted into the tk.Text
"""
dia = filedialogue.askopenfilename(
initialdir = self.__get_initial_dir(),
filetypes = (("FORTRAN Files", ".ft"), ("Text Files", ".txt"), ("All files", "*.*"))
)
if os.path.exists(dia):
self.current_file = dia
self.title("esotericFORTRAN IDE - %s" % str(dia))
with open(dia, "r") as f:
self.fortran_frame.replace_text_with("".join(f.readlines()))
def save_file(self):
if self.current_file == "unsaved program":
self.save_file_as()
else:
with open(self.current_file, "w") as f:
f.write(self.fortran_frame.get_text())
def save_file_as(self):
with filedialogue.asksaveasfile(
defaultextension = ".ft",
initialdir = self.__get_initial_dir(),
filetypes = (("FORTRAN Files", ".ft"), ("Text Files", ".txt"), ("All files", "*.*"))
) as f:
f.write(self.fortran_frame.get_text())
self.current_file = f.name
self.title("esotericFORTRAN IDE - %s" % str(f.name))
def reload_file(self):
with open(self.current_file, "r") as f:
self.fortran_frame.replace_text_with("".join(f.readlines()))
def exit(self):
print("exit")
exit()
def execute(self):
"""Executes a file. A file needs to be saved to disk before it can be executed.
Check that we're operating on a saved file. Also check if we're working on the most
up-to date file by comparing the code in the tk.Text to the code on disk.
"""
if self.current_file == "unsaved program":
messagebox.showwarning("Error", "You need to make a file before it can be executed")
return
# compare the files to check if we need to prompt the user to save
with open(self.current_file, "r") as f:
unsaved_version = "".join(f.readlines())
if unsaved_version != self.fortran_frame.get_text():
if messagebox.askyesno("Save?", "You need to save before executing. Save now?"):
self.save_file()
else:
return
if os.path.exists("build"):
shutil.rmtree("build")
# execute the file with the jar in program args
self.results_pane.clear_c_code()
proc = subprocess.Popen(["java", "-jar", self.program_jar, self.current_file, "-c", "-e"], stdout=subprocess.PIPE)
while True:
line = proc.stdout.readline()
if not line:
break
self.results_pane.append_results_line(line.rstrip().decode())
# if the build directory exists, the build was successful.
if os.path.exists("build"):
self.results_pane.append_results_line("Build Completed %s\n" % str(datetime.datetime.now()))
for file_ in os.listdir("build"):
if os.path.splitext(file_)[1] == ".c":
c_file_path = os.path.join(os.getcwd(), "build", file_)
with open(c_file_path, "r") as f:
self.results_pane.write_c_code("".join(f.readlines()))
return
else:
self.results_pane.append_results_line("Build Failed %s\n" % str(datetime.datetime.now()))
def __get_initial_dir(self):
examples_path = os.path.join("..", "examples")
if not os.path.exists(examples_path):
return os.path.expanduser("~")
return examples_path
class ApplicationMenu(tk.Menu):
"""Class that implements the menu bar in the application. It inherits from
tk.Menu()
Args:
tk (Menu): The class inherits from tk.Menu
"""
def __init__(self, parent, *args, **kwargs):
super().__init__(parent, *args, **kwargs)
self.parent = parent
self.file_menu = tk.Menu(self, tearoff = 0)
self.add_cascade(label = "File", menu = self.file_menu)
self.file_menu.add_command(
label = "New FORTRAN file",
accelerator = "Ctrl+N",
command = self.parent.new_file
)
self.file_menu.add_command(
label = "Open FORTRAN file...",
accelerator = "Ctrl+O",
command = self.parent.open_file
)
self.file_menu.add_separator()
self.file_menu.add_command(
label = "Save",
accelerator = "Ctrl+S",
command = self.parent.save_file
)
self.file_menu.add_command(
label = "Save As...",
accelerator = "Ctrl+Shift+S",
command = self.parent.save_file_as
)
self.file_menu.add_command(
label = "Reload File From Disk",
accelerator = "F3",
command = self.parent.reload_file
)
self.file_menu.add_separator()
self.file_menu.add_command(
label = "Exit",
accelerator = "Alt+F4",
command = self.parent.exit
)
self.run_menu = tk.Menu(self, tearoff = 0)
self.add_cascade(label = "Run", menu = self.run_menu)
self.run_menu.add_command(
label = "Clear results",
command = self.parent.results_pane.clear_results,
accelerator = "F4"
)
self.run_menu.add_command(
label = "Execute file",
accelerator = "F5",
command = self.parent.execute
)
if __name__ == "__main__":
try:
app = Application(sys.argv[1])
app.mainloop()
except IndexError:
print("You need to specify the path to the .jar as the first argument")
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