Tkinter_Directory.py

# coding=utf-8

import os
from time import sleep
from Tkinter import *

class DirList(object):
	def __init__(self,initdir=None):
		self.top = Tk()
		self.top.title('Directory Lister v1.0')
		self.cwd = StringVar(self.top)
		self.initUI()
		self.centerWindow()

		if initdir:
			self.cwd.set(os.curdir)
			self.doLS

	def centerWindow(self):
		w = 500
		h = 400
		sw = self.top.winfo_screenwidth()
		sh = self.top.winfo_screenheight()

		x = (sw - w)/2
		y = (sh - h)/2
		self.top.geometry('%dx%d+%d+%d' % (w, h, x, y))

	def initUI(self):
		self.dir1 = Label(self.top,fg='blue',font=('Helvetica',12,'bold'))
		self.dir1.pack()

		self.dirfm = Frame(self.top)
		self.dirsb = Scrollbar(self.dirfm)
		self.dirsb.pack(side=RIGHT,fill=Y)
		self.dirs = Listbox(self.dirfm,height=15,width=50,yscrollcommand=self.dirsb.set)
		self.dirs.bind('<Double-1>',self.setDirAndGo)
		self.dirsb.config(command=self.dirs.yview)
		self.dirs.pack(side=LEFT,fill=BOTH)
		self.dirfm.pack()

		self.dirn = Entry(self.top,width=50,textvariable=self.cwd)
		self.dirn.bind('<Return>',self.doLS)
		self.dirn.pack()

		self.bfm = Frame(self.top)
		self.clr = Button(self.bfm,text='Clear',command=self.clrDir,activeforeground='white',activebackground='blue')
		self.ls = Button(self.bfm,text='List Directory',command=self.doLS,activeforeground='white',activebackground='green')
		self.quit = Button(self.bfm,text='Quit',command=self.top.quit,activeforeground='white',activebackground='red')
		self.clr.pack(side=LEFT)
		self.ls.pack(side=LEFT)
		self.quit.pack(side=LEFT)
		self.bfm.pack()

	def clrDir(self,ev=None):
		self.cwd.set('')

	def setDirAndGo(self,ev=None):
		self.last = self.cwd.get()
		self.dirs.config(selectbackground='red')
		check = self.dirs.get(self.dirs.curselection())
		if not check:
			check = os.curdir
		self.cwd.set(check)
		self.doLS()

	def doLS(self,ev=None):
		error = ''
		tdir = self.cwd.get()
		if not tdir:
			tdir = os.curdir

		if not os.path.exists(tdir):
			error = tdir+':no such file'
		elif not os.path.isdir(tdir):
			os.system('start '+tdir)
			error = tdir+':not a directory'

		if error:
			self.cwd.set(error)
			self.top.update()
			sleep(2)
			if not (hasattr(self,'last') and self.last):
				self.last = os.curdir
			self.cwd.set(self.last)
			self.dirs.config(selectbackground='LightSkyBlue')
			self.top.update()
			return
		self.cwd.set('FETCHING DIRECTORY CONTENTS ...')
		self.top.update()

		dirlist = os.listdir(tdir)
		dirlist.sort()
		os.chdir(tdir)

		self.dir1.config(text=os.getcwd())
		self.dirs.delete(0,END)
		self.dirs.insert(END,os.curdir)
		self.dirs.insert(END,os.pardir)

		for eachFile in dirlist:
			self.dirs.insert(END,eachFile)
		self.cwd.set(os.curdir)
		self.dirs.config(selectbackground='LightSkyBlue')

def main():
	d = DirList(os.curdir)
	mainloop()

if __name__ == '__main__':
	main()