add file explorer tutorial

Author: x4nth055

README.md

@@ -213,5 +213,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Make a Text Editor using Tkinter in Python](https://www.thepythoncode.com/article/text-editor-using-tkinter-python). ([code](gui-programming/text-editor))
     - [How to Make a Button using PyGame in Python](https://www.thepythoncode.com/article/make-a-button-using-pygame-in-python). ([code](gui-programming/button-in-pygame))
     - [How to Make a Drawing Program in Python](https://www.thepythoncode.com/article/make-a-drawing-program-with-python). ([code](gui-programming/drawing-tool-in-pygame))
+    - [How to Make a File Explorer using Tkinter in Python](https://www.thepythoncode.com/article/create-a-simple-file-explorer-using-tkinter-in-python). ([code](gui-programming/file-explorer))
 
 For any feedback, please consider pulling requests.

gui-programming/file-explorer/README.md

@@ -0,0 +1 @@
+# [How to Make a File Explorer using Tkinter in Python](https://www.thepythoncode.com/article/create-a-simple-file-explorer-using-tkinter-in-python)

gui-programming/file-explorer/file_explorer.py

@@ -0,0 +1,112 @@
+from tkinter import *
+import os
+import ctypes
+import pathlib
+
+# Increase Dots Per inch so it looks sharper
+ctypes.windll.shcore.SetProcessDpiAwareness(True)
+
+root = Tk()
+# set a title for our file explorer main window
+root.title('Simple Explorer')
+
+root.grid_columnconfigure(1, weight=1)
+root.grid_rowconfigure(1, weight=1)
+
+def pathChange(*event):
+    # Get all Files and Folders from the given Directory
+    directory = os.listdir(currentPath.get())
+    # Clearing the list
+    list.delete(0, END)
+    # Inserting the files and directories into the list
+    for file in directory:
+        list.insert(0, file)
+
+def changePathByClick(event=None):
+    # Get clicked item.
+    picked = list.get(list.curselection()[0])
+    # get the complete path by joining the current path with the picked item
+    path = os.path.join(currentPath.get(), picked)
+    # Check if item is file, then open it
+    if os.path.isfile(path):
+        print('Opening: '+path)
+        os.startfile(path)
+    # Set new path, will trigger pathChange function.
+    else:
+        currentPath.set(path)
+
+def goBack(event=None):
+    # get the new path
+    newPath = pathlib.Path(currentPath.get()).parent
+    # set it to currentPath
+    currentPath.set(newPath)
+    # simple message
+    print('Going Back')
+
+
+def open_popup():
+    global top
+    top = Toplevel(root)
+    top.geometry("250x150")
+    top.resizable(False, False)
+    top.title("Child Window")
+    top.columnconfigure(0, weight=1)
+    Label(top, text='Enter File or Folder name').grid()
+    Entry(top, textvariable=newFileName).grid(column=0, pady=10, sticky='NSEW')
+    Button(top, text="Create", command=newFileOrFolder).grid(pady=10, sticky='NSEW')
+
+def newFileOrFolder():
+    # check if it is a file name or a folder
+    if len(newFileName.get().split('.')) != 1:
+        open(os.path.join(currentPath.get(), newFileName.get()), 'w').close()
+    else:
+        os.mkdir(os.path.join(currentPath.get(), newFileName.get()))
+    # destroy the top
+    top.destroy()
+    pathChange()
+
+top = ''
+
+# String variables
+newFileName = StringVar(root, "File.dot", 'new_name')
+currentPath = StringVar(
+    root,
+    name='currentPath',
+    value=pathlib.Path.cwd()
+)
+# Bind changes in this variable to the pathChange function
+currentPath.trace('w', pathChange)
+
+Button(root, text='Folder Up', command=goBack).grid(
+    sticky='NSEW', column=0, row=0
+)
+
+# Keyboard shortcut for going up
+root.bind("<Alt-Up>", goBack)
+
+Entry(root, textvariable=currentPath).grid(
+    sticky='NSEW', column=1, row=0, ipady=10, ipadx=10
+)
+
+# List of files and folder
+list = Listbox(root)
+list.grid(sticky='NSEW', column=1, row=1, ipady=10, ipadx=10)
+
+# List Accelerators
+list.bind('<Double-1>', changePathByClick)
+list.bind('<Return>', changePathByClick)
+
+
+# Menu
+menubar = Menu(root)
+# Adding a new File button
+menubar.add_command(label="Add File or Folder", command=open_popup)
+# Adding a quit button to the Menubar
+menubar.add_command(label="Quit", command=root.quit)
+# Make the menubar the Main Menu
+root.config(menu=menubar)
+
+# Call the function so the list displays
+pathChange('')
+# run the main program
+root.mainloop()