Fixed naming duplicated error

Author: ghanteyyy

README.md

@@ -2,6 +2,6 @@
 
 <img src="included_files/main.gif">
 
-A Python program which creates a pie chart using [MatPlotLib](https://github.com/matplotlib/matplotlib) and has a GUI created using [Tkinter](https://en.wikipedia.org/wiki/Tkinter). Feel free to copy and use my code anywhere, just don't forget to credit me!
+A Python program which creates a pie chart using [MatPlotLib](https://github.com/matplotlib/matplotlib) and has a GUI created using [Tkinter](https://en.wikipedia.org/wiki/Tkinter)
 
-I would like to thank [Ghanteyyy](http://github.com/ghanteyyy) for contributing to this project. This program wouldn't have been what it is today without his efforts.
+I would like to thank [Ghanteyyy](http://github.com/ghanteyyy) for contributing to this project. This program wouldn't have been what it is today without his efforts.

commands.py

@@ -3,6 +3,7 @@
 '''
 
 
+import collections
 from tkinter import messagebox
 import matplotlib.pyplot as plt
 
@@ -81,11 +82,15 @@ def make_chart(_vars):
     '''Make pie-chart as per the user's data'''
 
     items, values, explode = _vars
+    count = len(set(collections.Counter(items).values()))  # Getting count of items and calculating its length
 
-    if items:
+    if count > 1:
+        messagebox.showerror('ERROR', 'Some items have same names.')
+
+    elif items:
         figure, pie_chart = plt.subplots()
 
-        if messagebox.askyesno('Shadow', 'Do you want to show in the pie-char?'):
+        if messagebox.askyesno('Shadow', 'Do you want to show in your pie-chart?'):
             pie_chart.pie(values, explode=explode, labels=items, autopct='%1.2f%%', shadow=True, startangle=90)
 
         else:

ui_main.py

@@ -78,64 +78,56 @@ def __init__(self):
         self.tips.set_tips(self.add_value_button, 'Add values you have entered in the input fields to the register.')
         self.tips.set_tips(self.make_pie_chart_button, 'Generate a pie-chart according to the data provided by you.')
 
-        self.item_entry.bind('<FocusIn>', self.bindings)
-        self.value_entry.bind('<FocusIn>', self.bindings)
-        self.value_entry.bind('<FocusOut>', lambda event, focus_out=True: self.bindings(event, focus_out))
-
         self.master.after(0, lambda: include.initial_position(self.master, 'Pie Chart Creator'))
         self.master.protocol('WM_DELETE_WINDOW', self.exit)
-        self.master.bind('<Button-1>', self.bindings)
+        self.master.bind('<Button-1>', self.master_bindings)
+        self.item_entry.bind('<FocusIn>', self.entry_bindings)
+        self.value_entry.bind('<FocusIn>', self.entry_bindings)
+        self.explode_radio_button_enable.bind('<FocusIn>', self.entry_bindings)
+
         self.container_frame.pack()
         self.master.mainloop()
 
-    def config(self, widget=None, mode=None, text=None, color=None, styles=None):
-        '''Behaviour for the entry boxes when user gets in and out of them '''
-
-        if widget:
-            widget.delete(0, tix.END)
-
-            if mode == 'insert':
-                widget.insert(tix.END, text)
-
-            if widget == self.value_entry and self.item_entry.get() == 'Items':
-                self.items_style.configure('I.TEntry', foreground='grey')
-
-        styles[0].configure(styles[1], foreground=color)
+    def master_bindings(self, event=None):
+        '''When user clicks anywhere outside of entry boxes and buttons'''
 
-    def bindings(self, event, focus_out=False):
-        '''When user clicks in and out of the entries widgets'''
+        widget = event.widget
+        widgets = [self.item_entry, self.value_entry]
+        entries_widgets = {self.item_entry: 'Items', self.value_entry: 'Values'}
+        entries_styles = {self.item_entry: (self.items_style, 'I.TEntry'), self.value_entry: (self.value_style, 'V.TEntry')}
 
-        widgets = {self.item_entry: 'Items', self.value_entry: 'Values'}
+        for wid in entries_widgets:
+            if not wid.get().strip():
+                wid.delete(0, tix.END)
+                wid.insert(tix.END, entries_widgets[wid])
+                style, style_name = entries_styles[wid]
+                style.configure(style_name, foreground='grey')
 
-        if event.widget == self.item_entry:
-            styles = (self.items_style, 'I.TEntry')
-
-        else:
-            styles = (self.value_style, 'V.TEntry')
-
-        for widget, text in widgets.items():
-            if widget == event.widget:
-                if widget.get() == text:
-                    self.config(widget, 'delete', text, 'black', styles)
-
-            else:
-                if not widget.get():
-                    self.config(widget, 'insert', text, 'grey', styles)
+        if widget not in widgets:
+            self.master.focus()
 
-            if focus_out:
-                if not widget.get():
-                    self.config(widget, 'insert', text, 'grey', styles)
+    def entry_bindings(self, event=None):
+        '''When user clicks in or out of the entries widget'''
 
-        if event.widget not in widgets:
-            _styles = [(self.items_style, 'I.TEntry'), (self.value_style, 'V.TEntry')]
+        widget = event.widget
+        entries_widgets = {self.item_entry: 'Items', self.value_entry: 'Values'}
+        entries_styles = {self.item_entry: (self.items_style, 'I.TEntry'), self.value_entry: (self.value_style, 'V.TEntry')}
 
-            for index, widget in enumerate(widgets.items()):
-                wid, text = widget
+        if widget in entries_widgets:
+            if widget.get().strip() == entries_widgets[widget]:
+                widget.delete(0, tix.END)
+                style, style_name = entries_styles[widget]
+                style.configure(style_name, foreground='black')
 
-                if wid.get().strip() == text:
-                    self.config(color='grey', styles=_styles[index])
+                entries_widgets.pop(widget)
+                entries_styles.pop(widget)
 
-            self.master.focus()
+        for wid in entries_widgets:
+            if not wid.get().strip():
+                wid.delete(0, tix.END)
+                wid.insert(tix.END, entries_widgets[wid])
+                style, style_name = entries_styles[wid]
+                style.configure(style_name, foreground='grey')
 
     def exit(self):
         '''When user clicks to X button in the title bar'''

ui_view.py

@@ -37,15 +37,22 @@ def __init__(self, master, _vars):
 
         self.explode_frame = tk.Frame(self.container_frame)
         self.explode_label = tk.Label(self.explode_frame, text='EXPLODE')
-        self.explode_text_widget = tk.Text(self.explode_frame, width=12, height=15, state='disabled', cursor='arrow')
+        self.explode_text_widget_frame = tk.Frame(self.explode_frame)
+        self.explode_text_widget = tk.Text(self.explode_text_widget_frame, width=12, height=15, state='disabled', cursor='arrow')
         self.explode_label.pack()
-        self.explode_text_widget.pack()
+        self.explode_text_widget.pack(side=tk.LEFT)
+        self.explode_text_widget_frame.pack()
         self.explode_frame.pack(side=tk.LEFT)
 
         self.pie_text_widgets = [self.items_text_widget, self.value_text_widget, self.explode_text_widget]
 
-        self.scrollbar = tk.Scrollbar(self.container_frame, orient="vertical", command=self.multiple_yview)
-        self.container_frame.pack(ipadx=9)
+        self.scrollbar = tk.Scrollbar(self.explode_text_widget_frame, orient="vertical", command=self.multiple_yview)
+        self.scrollbar.pack(side=tk.LEFT, fill='y')
+
+        for widgets in self.pie_text_widgets:
+            widgets.config(yscrollcommand=self.scrollbar.set)
+
+        self.container_frame.pack(padx=1)
 
         self.var = tk.IntVar()
         self.enable_editing_button = ttk.Checkbutton(self.toplevel, text='Enable Editing Mode', variable=self.var, cursor='hand2', command=self.enable_editing_command)
@@ -56,7 +63,6 @@ def __init__(self, master, _vars):
         self.tips.set_tips(self.value_text_widget, 'List of the values of each items')
         self.tips.set_tips(self.explode_text_widget, 'List of enabled or disabled explode data of each items')
 
-        self.toplevel.after(0, self.show_scrollbar)
         self.toplevel.protocol('WM_DELETE_WINDOW', self.top_level_exit)
         self.toplevel.after(0, lambda: include.initial_position(self.toplevel, 'Register'))
         self.toplevel.after(0, lambda: commands.insert_to_text_widget(self.pie_text_widgets, _vars))
@@ -90,39 +96,6 @@ def top_level_exit(self):
                 self.enable_editing_command()
                 messagebox.showinfo('Edit Mode', 'Editing Mode is Enabled')
 
-    def show_scrollbar(self):
-        '''Show self.scrollbar when the character in the text is more than the height of the text widget'''
-
-        try:
-            if self.pie_text_widgets[0].cget('height') < int(self.pie_text_widgets[0].index('end-1c').split('.')[0]):
-                self.scrollbar.pack(side=tk.LEFT, fill='y')
-
-                for widgets in self.pie_text_widgets:
-                    widgets.config(yscrollcommand=self.scrollbar.set)
-
-                self.master.after(100, self.hide_scrollbar)
-
-            else:
-                self.master.after(100, self.show_scrollbar)
-
-        except tk.TclError:
-            pass
-
-    def hide_scrollbar(self):
-        '''Hide self.scrollbar when the character in the text is less than the height of the text widget'''
-
-        try:
-            if self.pie_text_widgets[0].cget('height') >= int(self.pie_text_widgets[0].index('end-1c').split('.')[0]):
-                self.scrollbar.pack_forget()
-
-                for widgets in self.pie_text_widgets:
-                    widgets.config(yscrollcommand=None)
-
-                self.master.after(100, self.show_scrollbar)
-
-        except tk.TclError:
-            pass
-
     def enable_editing_command(self):
         '''When user clicks the enable editing checkbutton'''