youthful-yeomen

.gitignore

@@ -102,3 +102,5 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+.idea/

README.md

@@ -28,6 +28,9 @@ You should be using [Pipenv](https://pipenv.readthedocs.io/en/latest/). Take a l
 * Setting up for development: `pipenv install --dev`
 * Running the application (assuming you use our project layout): `pipenv run start`
 
+# Team Name
+youthful-yeomen
+
 # Project Information
 
 `# TODO`

project/__main__.py

@@ -0,0 +1,4 @@
+from notepad import Notepad
+
+notepad = Notepad(width=600, height=400)
+notepad.run()

project/notepad.py

@@ -0,0 +1,198 @@
+import os
+from tkinter.messagebox import showerror
+from tkinter.filedialog import (
+    Text,
+    Menu,
+    Scrollbar,
+    N,
+    E,
+    S,
+    W,
+    Y,
+    Tk,
+    askopenfilename,
+    asksaveasfilename,
+    RIGHT,
+    END,
+    TclError,
+)
+
+from reverse_writer import WordReverser
+
+
+
+
+class Notepad:
+    __root = Tk()
+
+    # default window width and height
+    __thisWidth = 300
+    __thisHeight = 300
+    __thisTextArea = Text(__root)
+    __thisMenuBar = Menu(__root)
+    __thisFileMenu = Menu(__thisMenuBar, tearoff=0)
+    __thisEditMenu = Menu(__thisMenuBar, tearoff=0)
+    __thisHelpMenu = Menu(__thisMenuBar, tearoff=0)
+
+    # To add scrollbar
+    __thisScrollBar = Scrollbar(__thisTextArea)
+    __file = None
+
+    def __init__(self, **kwargs):
+
+        # Set window size (the default is 300x300)
+
+        try:
+            self.__thisWidth = kwargs["width"]
+        except KeyError:
+            pass
+
+        try:
+            self.__thisHeight = kwargs["height"]
+        except KeyError:
+            pass
+
+        # Set the window text
+        self.__root.title("Youthful-Yeomen : Untitled")
+
+        # Center the window
+        screen_width = self.__root.winfo_screenwidth()
+        screen_height = self.__root.winfo_screenheight()
+
+        # For left-align
+        left = (screen_width / 2) - (self.__thisWidth / 2)
+
+        # For right-align
+        top = (screen_height / 2) - (self.__thisHeight / 2)
+
+        # For top and bottom
+        self.__root.geometry(
+            "%dx%d+%d+%d" % (self.__thisWidth, self.__thisHeight, left, top)
+        )
+
+        # To make the text area auto resizable
+        self.__root.grid_rowconfigure(0, weight=1)
+        self.__root.grid_columnconfigure(0, weight=1)
+
+        # Add controls (widget)
+        self.__thisTextArea.grid(sticky=N + E + S + W)
+        wr = WordReverser()
+        self.__thisTextArea.bind("<KeyRelease>", wr.reverse_word_only)
+        # To open new file
+        self.__thisFileMenu.add_command(label="New", command=self.__new_file)
+
+        # To open a already existing file
+        self.__thisFileMenu.add_command(label="Open", command=self.__open_file)
+
+        # To save current file
+        self.__thisFileMenu.add_command(label="Save", command=self.__save_file)
+
+        # To create a line in the dialog
+        self.__thisFileMenu.add_separator()
+        self.__thisFileMenu.add_command(label="Exit",
+                                        command=self.__quit_application)
+        self.__thisMenuBar.add_cascade(label="File", menu=self.__thisFileMenu)
+
+        # To give a feature of cut
+        self.__thisEditMenu.add_command(label="Cut", command=self.__cut)
+
+        # to give a feature of copy
+        self.__thisEditMenu.add_command(label="Copy", command=self.__copy)
+
+        # To give a feature of paste
+        self.__thisEditMenu.add_command(label="Paste", command=self.__paste)
+
+        # to give a feature of reverse
+        self.__thisEditMenu.add_command(label="Reverse", command=self.__reverse)
+
+        # To give a feature of editing
+        self.__thisMenuBar.add_cascade(label="Edit", menu=self.__thisEditMenu)
+
+        self.__root.config(menu=self.__thisMenuBar)
+
+        self.__thisScrollBar.pack(side=RIGHT, fill=Y)
+
+        # Scrollbar will adjust automatically according to the content
+        self.__thisScrollBar.config(command=self.__thisTextArea.yview)
+        self.__thisTextArea.config(yscrollcommand=self.__thisScrollBar.set)
+
+    def __quit_application(self):
+        self.__root.destroy()
+
+    def __open_file(self):
+
+        self.__file = askopenfilename(
+            defaultextension=".txt",
+            filetypes=[("All Files", "*.*"), ("Text Documents", "*.txt")],
+        )
+
+        if self.__file == "":
+
+            # no file to open
+            self.__file = None
+        else:
+
+            self.__root.title(
+                os.path.basename(self.__file) + " - Youthful-Yeomen")
+            self.__thisTextArea.delete(1.0, END)
+
+            file = open(self.__file, "r")
+            reversed_file = file.read()[::-1]
+
+            self.__thisTextArea.insert(1.0, reversed_file)
+
+            file.close()
+
+    def __new_file(self):
+        self.__root.title("Youthful-Yeomen : Untitled")
+        self.__file = None
+        self.__thisTextArea.delete(1.0, END)
+
+    def __save_file(self):
+
+        if self.__file is None:
+            # Save as new file
+            self.__file = asksaveasfilename(
+                initialfile="Untitled.txt",
+                defaultextension=".txt",
+                filetypes=[("All Files", "*.*"), ("Text Documents", "*.txt")],
+            )
+
+            if self.__file == "":
+                self.__file = None
+            else:
+
+                # Try to save the file
+                file = open(self.__file, "w")
+                file.write(self.__thisTextArea.get(1.0, END))
+                file.close()
+
+                # Change the window title
+                self.__root.title(os.path.basename(self.__file) + " - Notepad")
+
+        else:
+            file = open(self.__file, "w")
+            file.write(self.__thisTextArea.get(1.0, END))
+            file.close()
+
+    def __cut(self):
+        self.__thisTextArea.event_generate("<<Cut>>")
+
+    def __copy(self):
+        self.__thisTextArea.event_generate("<<Copy>>")
+
+    def __paste(self):
+        self.__thisTextArea.event_generate("<<Paste>>")
+
+    def __reverse(self):
+        try:
+            text = self.__thisTextArea.get('sel.first', 'sel.last')
+        except TclError:
+            showerror(title="Error", message="Please select text to reverse")
+            return
+        reversed_text = text[::-1]
+        self.__thisTextArea.insert('sel.first', reversed_text)
+        self.__thisTextArea.delete('sel.first', 'sel.last')
+
+    def run(self):
+        self.__root.mainloop()

project/reverse_writer.py

@@ -0,0 +1,34 @@
+from tkinter import INSERT
+
+
+class WordReverser:
+
+    def __init__(self):
+        self.last_idx = '0'
+
+    def reverse_word_only(self, event):
+        widget = event.widget
+        current_insert_index = widget.index('insert')
+        current_line = current_insert_index.split('.')[0]
+
+        # remove the char entered
+        widget.delete("%s-1c" % INSERT, INSERT)
+
+        # handle the enter key
+        if event.char == '\r':
+            widget.insert('end', '\n')
+            self.last_idx = '0'
+        elif event.char == ' ':
+            # we got the word, set the new char index for next word
+            self.last_idx = current_insert_index.split('.')[1]
+        # finally put the char in reverse
+        widget.insert(f"{current_line}.{self.last_idx}", event.char)
+
+    def reverse_words_with_line(self, event):
+        ta = event.widget
+        event.widget.delete("%s-1c" % INSERT, INSERT)
+        if event.char == '\r':
+            ta.insert('end', '\n')
+        else:
+            line = ta.index('insert').split('.')[0]
+            ta.insert(f"{line}.0", event.char)