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dietGUI.py

+from tkinter import *
+from tkinter import ttk
+
+root = Tk() # create a GUI assign to 'root' (window)
+root.title('Diet Information')
+s = ttk.Style()
+s.theme_use('clam')
+s.configure('.', font=('Arial', 10))
+diet = {
+'Normal': {'Protein':32.50, 'carbohydrates': 60.00, 'fat': 40.86},
+'Oncology': {'Protein':35, 'carbohydrates': 52.00, 'fat':37.63},
+'Cardiology': {'Protein':32.50, 'carbohydrates': 30.00, 'fat':26.88},
+'Diabetes': {'Protein':20.00, 'carbohydrates': 27.50, 'fat':27.95},
+'Kidney': {'Protein':15.00, 'carbohydrates': 55.00, 'fat':23.65}
+}
+
+def onClick(a):
+    subtitle.config(text=f"{a} diet")
+    for diet_name, nutrients in diet.items():
+        if diet_name == a:            
+            ttk.Label(contentFrame2, text= '{:.2f}'.format(nutrients['Protein'])).grid(column=3, row=2, sticky= (N, W, E, S))
+            ttk.Label(contentFrame2, text= '{:.2f}'.format(nutrients['carbohydrates'])).grid(column=3, row=3, sticky= (N, W, E, S))
+            ttk.Label(contentFrame2, text= nutrients['fat']).grid(column=3, row=4, sticky= (N, W, E, S))
+            kj = 4*(nutrients['Protein'])+4*(nutrients['Protein'])+9.3*(nutrients['fat'])
+            kj = round(kj,2)
+            ttk.Label(contentFrame2, text= kj).grid(column=3, row=5, sticky= (N, W, E, S))
+        else:
+            pass
+root.minsize(600,600)
+
+#root frame - Main Square
+root.columnconfigure(0, weight = 1)
+root.columnconfigure(1, weight = 3)
+root.columnconfigure(2, weight = 1)
+root.rowconfigure(0, weight = 1)
+root.rowconfigure(1, weight = 3)
+root.rowconfigure(3, weight = 1)
+#ROOT FRAME:
+frame = ttk.Frame(root, padding= '12 12 12 12', relief = 'raised') #first frame around nutrient figures
+frame.grid(column=1, row=1, sticky =(N, W, E, S)) #the frame widget goes inside this cell. 
+frame.columnconfigure(0,weight=3)
+frame.rowconfigure(1, weight=1)  # frame1
+frame.rowconfigure(2, weight=1)  # contentFrame2
+frame.rowconfigure(3, weight=1)  # contentFrame3
+
+#TITLE FRAMES:
+frame1 = ttk.Frame(frame, padding= '12 12 12 12', relief = 'solid') 
+frame1.grid(column=0, row=1, sticky =(N,W,E,S))
+
+title = ttk.Label(frame1, text='DIET NUTRITIONAL INFORMATION', font=('Arial', 16, 'bold'))
+title.grid(column=0, row=1, sticky= (N,W,E,S))
+
+subtitle = ttk.Label(frame1, text='Choose a Diet:', font =('Arial', 12,'bold'))
+subtitle.grid(column=0, row=2, sticky= (N,W,E,S))
+
+frame1.rowconfigure(1, weight = 1)
+frame1.rowconfigure(2, weight = 1)
+frame1.columnconfigure(0,weight=2)
+
+#contentFrame2: 2ND SQUARE - 'THE NUTRITIONAL REQUIREMENTS'
+# c1 row 2
+contentFrame2 = ttk.Frame(frame, padding= '3 12 12 12')
+contentFrame2.grid(column=0, row=2, sticky =(N, W, E, S))
+contentFrame2.configure(relief='solid',  borderwidth= 10)
+
+# contentFrame2.rowconfigure()
+nutrition_label = ttk.Label(contentFrame2, text='The nutritional requirements:', font=('Arial', 10, 'bold'))
+nutrition_label.grid(column=1, row=1, sticky= EW)
+nutrition_label = ttk.Label(contentFrame2, text='Protein (g):' )
+nutrition_label.grid(column=1, row=2, sticky= EW)
+nutrition_label = ttk.Label(contentFrame2, text='Carbohydrates (g):' )
+nutrition_label.grid(column=1, row=3, sticky= EW)
+nutrition_label = ttk.Label(contentFrame2, text='Fat (g):' )
+nutrition_label.grid(column=1, row=4, sticky= EW)
+nutrition_label = ttk.Label(contentFrame2, text='Kilojoules (g):' )
+nutrition_label.grid(column=1, row=5, sticky= EW)
+
+contentFrame2.rowconfigure(1,weight = 2)
+contentFrame2.rowconfigure(2,weight = 2)
+contentFrame2.rowconfigure(3,weight = 2)
+contentFrame2.rowconfigure(4,weight = 2)
+contentFrame2.rowconfigure(5,weight = 2)
+
+contentFrame2.columnconfigure(1,weight = 1)
+contentFrame2.columnconfigure(2,weight = 1)
+contentFrame2.columnconfigure(3,weight = 1)
+
+#"SELECT A DIET below Frame 3"
+contentFrame3 = ttk.Frame(frame, padding= '12 12 12 12', relief='solid')
+contentFrame3.grid(column=0, row=3, sticky =(N, W, E, S)) 
+contentFrame3.rowconfigure(0, weight=1)
+contentFrame3.columnconfigure(0, weight=1)
+select_label = ttk.Label(contentFrame3, text='Click a diet below to display nutritional requirements:', font=('Arial', 10, 'bold'))
+select_label.grid(column=0, row=0, sticky=(N, W, E, S))  # Center in frame
+
+#contentFrame4 BUTTONs:
+# Select button
+contentFrame4 = ttk.Frame(frame, padding= '12 12 12 12')
+contentFrame4.grid(column=0, row=4, sticky =(N, W, E, S)) 
+contentFrame4.configure(relief='solid', borderwidth= 10 )
+contentFrame4.columnconfigure(2,weight=2)
+contentFrame4.columnconfigure(3,weight=2)
+contentFrame4.columnconfigure(4,weight=2)
+contentFrame4.columnconfigure(5,weight=2)
+contentFrame4.columnconfigure(6, weight=2)
+#*****
+
+#buttons:
+button1 = ttk.Button(contentFrame4,text ='Normal', command=lambda: onClick('Normal'))
+button1.grid(column=2, row=8, sticky = EW)
+button2 = ttk.Button(contentFrame4,text ='Oncology', command=lambda: onClick('Oncology'))
+button2.grid(column=3, row=8, sticky = EW)
+button3 = ttk.Button(contentFrame4,text ='Cardiology', command=lambda: onClick('Cardiology'))
+button3.grid(column=4, row=8, sticky = EW)
+button4 = ttk.Button(contentFrame4,text ='Diabetes', command=lambda: onClick('Diabetes'))
+button4.grid(column=5, row=8, sticky = EW)
+button5 = ttk.Button(contentFrame4,text ='Kidney', command=lambda: onClick('Kidney'))
+button5.grid(column=6, row=8, sticky = EW)
+
+for child in frame.winfo_children():
+    child.grid_configure(padx=5, pady=5)
+
+root.bind('<Return>', onClick)
+
+root.mainloop()
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