launcher.py

import os

from tkinter import Tk, Label, Button, Entry, Radiobutton, IntVar, Checkbutton, Menu

import webbrowser

from labyrinth_explorer import game

class GUI:
    '''
    GUI Class. Used to initialise and interact with the maze applicaiton
    Can select the algoirthm, method and whether or not actions are filtered.
    '''
    def __init__(self, master):
        '''
        Initialise the GUI by setting it up. Bunch of boilerplate code.
        '''
        self.master = master

        self.menuBar = Menu(self.master)
        self.menuBar.add_command(label="Results", command=self.showResults)
        self.menuBar.add_command(label="Help", command=self.showHelp)
        self.menuBar.add_command(label="Quit", command=root.quit)

        master.title("Maze Searcher")

        self.method = IntVar()
        self.method.set(0)
        self.filterAct = IntVar()
        self.filterAct.set(0)

        self.mazeWidthLabel = Label(master, text="Maze Width")
        self.mazeWidthEntry = Entry(master)
        
        self.mazeHeightLabel = Label(master, text="Maze Height")
        self.mazeHeightEntry = Entry(master)

        self.searchMethodLabel = Label(master, text="Search Method")

        self.bfts = Radiobutton(master, text = "Breadth First Tree Search",variable=self.method, value=0)
        self.bfgs = Radiobutton(master, text = "Breadth First Graph Search",variable=self.method, value=1)
        self.dfts = Radiobutton(master, text = "Depth First Tree Search",variable=self.method, value=2)
        self.dfgs = Radiobutton(master, text = "Depth First Graph Search",variable=self.method, value=3)
        self.ucs = Radiobutton(master, text = "Uniform-Cost Search",variable=self.method, value=4)
        self.ids = Radiobutton(master, text = "Iterative Deepening Search",variable=self.method, value=5)
        self.gts = Radiobutton(master, text = "Greedy Tree Search",variable=self.method, value=6)
        self.ggs = Radiobutton(master, text = "Greedy Graph Search",variable=self.method, value=7)
        self.asts = Radiobutton(master, text = "A* Tree Search",variable=self.method, value=8)
        self.asgs = Radiobutton(master, text = "A* Graph Search",variable=self.method, value=9)

        self.filterActions = Checkbutton(master, text="Filter actions?", variable=self.filterAct)

        self.button = Button(master, text="Start", command=self.start)

        self.errorLabel = Label(master, text="Enter Values")

        self.mazeWidthLabel.grid(row=0, column=0, columnspan=1)
        self.mazeWidthEntry.grid(row=0, column=1, columnspan=1)
        self.mazeHeightLabel.grid(row=1, column=0, columnspan=1)
        self.mazeHeightEntry.grid(row=1, column=1, columnspan=1)
        self.searchMethodLabel.grid(row=2, column=0, columnspan=2)
        self.bfts.grid(row=3, column=0, columnspan=1)
        self.bfgs.grid(row=3, column=1, columnspan=1)
        self.dfts.grid(row=4, column=0, columnspan=1)
        self.dfgs.grid(row=4, column=1, columnspan=1)
        self.ucs.grid(row=5, column=0, columnspan=1)
        self.ids.grid(row=5, column=1, columnspan=1)
        self.gts.grid(row=6, column=0, columnspan=1)
        self.ggs.grid(row=6, column=1, columnspan=1)
        self.asts.grid(row=7, column=0, columnspan=1)
        self.asgs.grid(row=7, column=1, columnspan=1)
        self.filterActions.grid(row=8, column=0, columnspan=2)
        self.button.grid(row=9, column=0, columnspan=2)
        self.errorLabel.grid(row=10, column=0, columnspan=2)

        master.config(menu=self.menuBar)


    def start(self):
        '''
        Function to start the applicaiton. It checks if the width and
        height values are valid and can continue. Also gets the algorithm
        and whether or not the actions are filtered.
        '''
        try:
            method = self.method.get()
            width = int(self.mazeWidthEntry.get())
            height = int(self.mazeHeightEntry.get())
            filterActionsValue = self.filterAct.get()
            if(height<1 and width<1):
                raise ArithmeticError
            game(method,filterActionsValue,width,height)
            self.errorLabel['text']="Enter new values or test different algorithms"
        except(ValueError):
            self.errorLabel['text']="Enter numerical values in width and height"
        except(ArithmeticError):
            self.errorLabel['text']="Enter positive width and height values"

    def showHelp(self):
        '''
        Used to open up the help pdf file
        '''
        path  = os.path.join(os.path.dirname(__file__),'help.pdf')
        webbrowser.open_new(path)

    def showResults(self):
        '''
        Used to open up the results txt file
        '''
        path  = os.path.join(os.path.dirname(__file__),'results.txt')
        webbrowser.open_new(path)

if __name__ == '__main__':
    root = Tk()
    gui = GUI(root)
    root.mainloop()