"""Graphical interface to the Advising Buddy application. Author: CS149 Faculty Version: 11/15/2023 """ import tkinter as tk from tkinter import ttk from tkinter import filedialog import schedule_utils import catalog_utils OPTIONS = [""] class App(tk.Tk): def __init__(self): super().__init__() self.title("JMU Advising Buddy") self.geometry("850x310") self.resizable(True, True) menubar = tk.Menu(self) filemenu = tk.Menu(menubar, tearoff=0) self.filemenu = filemenu filemenu.add_command(label="Select Catalog JSON...", command=self.open_catalog) filemenu.add_command( label="Load Schedule JSON...", command=self.load_schedule, state=tk.DISABLED ) filemenu.add_command( label="Save Schedule JSON...", command=self.save_schedule, state=tk.DISABLED ) filemenu.add_command(label="Exit", command=self.quit) menubar.add_cascade(label="File", menu=filemenu) self.config(menu=menubar) main_frame = ttk.Frame(self) main_frame.grid(row=0, column=0, padx=10, pady=10) # Add a separate frame for the labels and fields course_info_frame = ttk.Frame(main_frame) course_info_frame.grid( row=0, column=0, columnspan=8, padx=10, pady=5, sticky=tk.W ) self.option_variables = dict() self.option_menus = dict() variable = tk.StringVar(course_info_frame, name="var_info") variable.set("") # default value self.option_variables["var_info"] = variable self.option_menus["var_info"] = tk.OptionMenu( course_info_frame, variable, *OPTIONS ) self.option_menus["var_info"].config(width=6) self.option_menus["var_info"].pack(side=tk.LEFT, padx=5) self.option_variables["var_info"].trace("w", self.info_option_selected) self.get_info_button = ttk.Button( course_info_frame, text="Course Information", command=self.show_course_info, state=tk.DISABLED, ) self.get_info_button.pack(side=tk.LEFT, padx=5) # add a separator between frames ttk.Separator(main_frame, orient=tk.HORIZONTAL).grid( row=1, column=0, columnspan=8, sticky="ew" ) l1 = tk.Label(main_frame, text="AP/Transfer") l1.grid(row=2, column=0, sticky=tk.W, pady=2) for row in range(5): name = "var_0_" + str(row) variable = tk.StringVar(main_frame, name=name) variable.set("") # default value self.option_variables[name] = variable self.option_menus[name] = tk.OptionMenu(main_frame, variable, *OPTIONS) w = self.option_menus[name] w.config(width=6) w.grid(row=row + 3, column=0, sticky=tk.W, pady=2) # create a callback for when the user changes the dropdown variable.trace("w", self.course_option_selected) for sem in range(8): l1 = tk.Label(main_frame, text="S" + str(sem + 1)) l1.grid(row=2, column=sem + 1, sticky=tk.W, pady=2) for i in range(5): name = "var_" + str(sem + 1) + "_" + str(i) variable = tk.StringVar(main_frame, name=name) variable.set("") # default value self.option_variables[name] = variable self.option_menus[name] = tk.OptionMenu(main_frame, variable, *OPTIONS) w = self.option_menus[name] w.config(width=6) w.grid(row=i + 3, column=sem + 1, sticky=tk.W, pady=2) # create a callback for when the user changes the dropdown variable.trace("w", self.course_option_selected) # Add a separate frame for the labels and fields total_credits_frame = ttk.Frame(main_frame) total_credits_frame.grid( row=8, column=0, columnspan=8, padx=10, pady=5, sticky=tk.W ) self.check_schedule_button = ttk.Button( total_credits_frame, text="Check Schedule", command=self.check_schedule ) self.check_schedule_button.pack(side=tk.LEFT, padx=5) # Add Total Credits label and associated variable to the new frame self.total_credits_var = tk.StringVar(value="0") # Set default value to "0" total_credits_label = ttk.Label(total_credits_frame, text=" Total Credits:") total_credits_label.pack(side=tk.LEFT) total_credits_field = ttk.Entry( total_credits_frame, textvariable=self.total_credits_var, state="readonly" ) total_credits_field.pack(side=tk.LEFT) self.prereq_var = tk.IntVar() prereq_checkbox = tk.Checkbutton( total_credits_frame, text="Enforce Prerequisites", variable=self.prereq_var, command=self.prereq_selected, ) prereq_checkbox.pack(side=tk.LEFT, padx=5) self.set_state_pulldowns(tk.DISABLED) def get_current_schedule(self): courses = [] for sem in range(9): courses.append(set()) for i in range(5): name = "var_" + str(sem) + "_" + str(i) val = self.option_variables[name].get() if val != "": courses[sem].add(val) return courses def update_credit_total(self): credit_tuple = catalog_utils.total_credits( self.get_current_schedule(), self.catalog ) if credit_tuple[0] == credit_tuple[1]: self.total_credits_var.set(f"{credit_tuple[0]}") else: self.total_credits_var.set(f"{credit_tuple[0]}-{credit_tuple[1]}") def set_current_schedule(self, schedule): # First clear all entries... for sem in range(9): for i in range(5): name = "var_" + str(sem) + "_" + str(i) val = self.option_variables[name].set("") # First clear all entries... for sem in range(9): for i, course in enumerate(schedule[sem]): name = "var_" + str(sem) + "_" + str(i) val = self.option_variables[name].set(course) self.update_credit_total() def show_course_info(self): course_id = self.option_variables["var_info"].get() info = catalog_utils.format_course_info(course_id, self.catalog) info_window = tk.Toplevel(self) info_window.title(course_id) info_window.geometry("400x300") info_window.resizable(True, True) text = tk.Text(info_window, wrap=tk.WORD, height=10, width=40) text.insert(tk.END, info) text.config(state=tk.DISABLED) text.pack(fill=tk.BOTH, expand=True) scrollbar = tk.Scrollbar(info_window) scrollbar.pack(side=tk.RIGHT, fill=tk.Y) # Configure the Text widget to use the scrollbar text.config(yscrollcommand=scrollbar.set) scrollbar.config(command=text.yview) def update_options(self, name, options): menu = self.option_menus[name]["menu"] menu.delete(0, "end") menu.add_command( label="", command=lambda value="": self.option_variables[name].set(value) ) for option in sorted(list(options)): menu.add_command( label=option, command=lambda value=option: self.option_variables[name].set(value), ) def update_available(self): schedule = self.get_current_schedule() for sem in range(9): for i in range(5): name = "var_" + str(sem) + "_" + str(i) self.update_options( name, catalog_utils.available_classes(schedule, sem, self.catalog) ) def set_state_pulldowns(self, state): for sem in range(9): for i in range(5): name = "var_" + str(sem) + "_" + str(i) self.option_menus[name].config(state=state) self.option_menus["var_info"].config(state=state) def info_option_selected(self, *args): course = self.option_variables["var_info"].get() if course == "": self.get_info_button.config(state=tk.DISABLED) else: self.get_info_button.config(state=tk.NORMAL) def course_option_selected(self, *args): if self.prereq_var.get() == 1: self.update_available() self.update_credit_total() def open_catalog(self): """Open the catalog JSON file and parse it into a tree""" filename = filedialog.askopenfilename( initialdir=".", title="Select Catalog JSON", filetypes=(("JSON files", "*.json"), ("all files", "*.*")), ) if filename: self.catalog = catalog_utils.load_catalog(filename) ids = self.catalog.keys() self.update_options("var_info", ids) for sem in range(9): for i in range(5): name = "var_" + str(sem) + "_" + str(i) self.update_options(name, ids) self.set_state_pulldowns(tk.NORMAL) self.filemenu.entryconfig("Load Schedule JSON...", state=tk.NORMAL) self.filemenu.entryconfig("Save Schedule JSON...", state=tk.NORMAL) def load_schedule(self): filename = filedialog.askopenfilename( initialdir=".", title="Select Schedule JSON", filetypes=(("JSON files", "*.json"), ("all files", "*.*")), ) self.set_current_schedule(schedule_utils.load_schedule(filename)) def save_schedule(self): filename = filedialog.asksaveasfilename( initialdir=".", title="Select Save Location", defaultextension=".json", filetypes=(("JSON files", "*.json"), ("all files", "*.*")), ) schedule_utils.save_schedule(self.get_current_schedule(), filename) def check_schedule(self): sched = self.get_current_schedule() dups = schedule_utils.get_duplicates(sched) unmet = catalog_utils.check_prerequisites(sched, self.catalog) feedback = "" if len(dups) == 0 and len(unmet) == 0: feedback = "Looks good!" else: if len(dups) > 0: feedback += "Duplicate courses: " + ", ".join(list(sorted(dups))) + "\n\n" if len(unmet) > 0: feedback += "Courses with unmet prereqs: " + ", ".join(list(sorted(unmet))) + "\n" info_window = tk.Toplevel(self) info_window.title("Schedule Evaluation") info_window.geometry("400x300") info_window.resizable(True, True) text = tk.Text(info_window, wrap=tk.WORD, height=10, width=40) text.insert(tk.END, feedback) text.config(state=tk.DISABLED) text.pack(fill=tk.BOTH, expand=True) scrollbar = tk.Scrollbar(info_window) scrollbar.pack(side=tk.RIGHT, fill=tk.Y) # Configure the Text widget to use the scrollbar text.config(yscrollcommand=scrollbar.set) scrollbar.config(command=text.yview) def prereq_selected(self): if self.prereq_var.get() == 1: self.update_available() else: ids = self.catalog.keys() for sem in range(9): for i in range(5): name = "var_" + str(sem) + "_" + str(i) self.update_options(name, ids) if __name__ == "__main__": app = App() app.mainloop()