code

Main.py

+import tkinter as tk
+from tkinter import ttk, filedialog
+import pandas as pd
+import numpy as np
+import matplotlib.pyplot as plt
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
+
+RowsNumber = 32  #The number of rows to display per page in the view section
+currentPage = 0  #Current page on the view section
+patientData = []  #List to store the patient data
+filterOption = "All Patients"  #Filter option for displaying patients
+
+
+
+###     Load File Section     ###
+
+def load_csv_data(filePath):
+    global patientData
+    try:
+        df = pd.read_csv(filePath)  #Reads the .csv
+        patientData = df.values.tolist()  #The dataframe is converted into a list that contains lists
+    except Exception as e:
+        print("Error loading CSV file:", e)  #Prints an error when the file is not compatible
+        patientData = []
+
+def upload_file():
+    filePath = filedialog.askopenfilename(filetypes=[("CSV Files", "*.csv")])  #Open file window opens, set to .csv files
+    if filePath:
+        fileLabel.config(text=f"File successfully loaded.")  #Label to confirm file load
+        load_csv_data(filePath)  #Loads data from the file
+        populate_table()  #Populates the table with the loaded data
+
+
+
+###     View Patient Data Section     ###
+
+def get_filtered_data():
+    if filterOption == "Needs Referral":
+        return [p for p in patientData if p[-1] == 1]  #Filters to only patients who need referring
+    elif filterOption == "No Referral":
+        return [p for p in patientData if p[-1] == 0]  #Filters to only patients who don't need referring
+    return patientData  #Return all patients by default
+
+def populate_table():
+    global currentPage
+    for row in tree.get_children():  #Clears any existing rows in the table
+        tree.delete(row)
+
+    filteredData = get_filtered_data()  #Check the filter to see which data to add
+    startIndex = currentPage * RowsNumber  #Calculate starting index for the current page
+    endIndex = startIndex + RowsNumber  #Calculate ending index for the current page
+    for i, patient in enumerate(filteredData[startIndex:endIndex]):  #Loop through the data to display
+        values = list(patient)  #Convert patient data to a list
+
+        #Replace nan values with empty strings
+        values = ["" if (isinstance(v, float) and np.isnan(v)) else v for v in values]
+
+        #Convert Encounter ID to an integer
+        values[0] = int(values[0])
+
+        #Round the rest of the columns to 2 decimal places
+        for j in range(1, len(values) - 1):  #Don't include the referral columnm
+            try:
+                values[j] = round(float(values[j]), 2)  #Round values to 2 decimal places
+            except (ValueError, TypeError):
+                pass  #Don't round if it's not a float
+
+        #Handle referral column and assign tags for highlighting in the table
+        if values[-1] == 1:
+            values[-1] = "Needs referral"
+            tag = "referral"  #Tags the referred patients
+        else:
+            values[-1] = "No referral"
+            tag = "even" if i % 2 == 0 else "odd"  #Even or odd row styling
+
+        tree.insert("", "end", values=values, tags=(tag,))  #Insert the row into the table
+
+    update_buttons()  #Update the buttons based on the current page
+
+def update_buttons():
+    filteredData = get_filtered_data()  #Gets filtered data based on the filter selected
+    totalPages = (len(filteredData) - 1) // RowsNumber + 1  #Gets the total number of pages
+    previousButton.config(state=tk.NORMAL if currentPage > 0 else tk.DISABLED)  #Enables or disables the previous page button
+    nextButton.config(state=tk.NORMAL if currentPage < totalPages - 1 else tk.DISABLED)  #Enables or disables the next page button
+    pageLabel.config(text=f"Page {currentPage + 1} of {totalPages}")  #Updates the page label
+
+def next_page():
+    global currentPage
+    if (currentPage + 1) * RowsNumber < len(get_filtered_data()):  #Checks if there is a next page
+        currentPage += 1 #Adds 1 to the current page number
+        populate_table()  #Populates the table with the new data
+
+def prev_page():
+    global currentPage
+    if currentPage > 0:  #Checks if there is a previous page
+        currentPage -= 1  #Minus 1 from the current page number
+        populate_table()
+
+def go_to_page():
+    global currentPage
+    try:
+        #Gets the page number from the input box
+        pageNum = int(pageEntry.get()) - 1
+
+        #Checks the inputted page number exists
+        filteredData = get_filtered_data()
+        totalPages = (len(filteredData) - 1) // RowsNumber + 1
+
+        if 0 <= pageNum < totalPages:
+            currentPage = pageNum
+            populate_table()
+        else:
+            #Shows an error message if the input number is out of range
+            pageLabel.config(text=f"Invalid page number.")
+    except ValueError:
+        #Shows an error message if the input is not valid
+        pageLabel.config(text="Please enter a valid page number.")
+
+def update_filter(option):
+    global filterOption, currentPage
+    filterOption = option  #Updates the filter to the chosen option
+    currentPage = 0  #Resets back to the first page
+    populate_table()  #The table is filled with the new filtered data
+    
+    
+    
+###     Data Analysis Section     ###
+
+def analyse_data():
+    if not patientData:
+        return  #There is no data to analyse
+    
+    df = pd.DataFrame(patientData, columns=columns)  #Converts patient data to a dataframe
+    df.replace("", np.nan, inplace=True)  #Converts empty strings to nan
+    
+    #Generates statistics for referral data
+    totalPatients = len(df)
+    needsReferral = (df["Referral"] == 1).sum()
+    noReferral = (df["Referral"] == 0).sum()
+    
+    #Creates a pie chart for the referral statistics
+    fig, ax = plt.subplots(figsize=(4, 4))
+    ax.pie([needsReferral, noReferral], labels=["Referral", "No Referral"], autopct="%1.1f%%", colors=["#ff6666", "#66b3ff"])
+    ax.set_title("Referral Rate")
+    
+    #Clears previous information to prevent the frame generating multiple tables
+    for widget in analyseFrame.winfo_children():
+        if widget != analyseLabel:
+            widget.destroy()
+    
+    #Canvas for the pie chart displayed in analyseFrame
+    canvas = FigureCanvasTkAgg(fig, master=analyseFrame)
+    canvasWidget = canvas.get_tk_widget()
+    canvasWidget.pack(side="left", padx=(30, 20), pady=20, fill="both")
+    canvas.draw()
+    
+    #Referral summary
+    summaryText = f"Total Patients: {totalPatients}   Need Referral: {needsReferral}    No Referral: {noReferral}"
+    summaryLabel = tk.Label(analyseFrame, text=summaryText, font=("Arial", 16), bg="#ffffff", justify="left")
+    summaryLabel.pack(side="bottom", pady=50)
+    
+    #Table that lists the missing data
+    missingCounts = df.isna().sum().drop(["Encounter ID", "Referral"], errors='ignore')
+    missingTable = ttk.Treeview(analyseFrame, columns=("Column", "Missing Count"), show="headings")
+    missingTable.heading("Column", text="Column")
+    missingTable.heading("Missing Count", text="Missing Fields")
+    for col, count in missingCounts.items():
+        missingTable.insert("", "end", values=(col, count))
+    missingTable.pack(side="right", pady=10, padx=(20, 30), fill="both")
+    
+    #Table that lists the average data
+    numeric_df = df.drop(columns=["Encounter ID", "Referral"], errors='ignore').apply(pd.to_numeric, errors='coerce')
+    averages = numeric_df.mean().round(2)
+    averageTable = ttk.Treeview(analyseFrame, columns=("Column", "Average Value"), show="headings")
+    averageTable.heading("Column", text="Column")
+    averageTable.heading("Average Value", text="Average Value")
+    for col, avg in averages.items():
+        averageTable.insert("", "end", values=(col, avg))
+    averageTable.pack(side="right", pady=10, padx=10, fill="both")
+
+
+
+###     General Functionality      ###
+
+def show_frame(frame):
+    #Displays the chosen frame in the interface
+    frame.tkraise()  #The selected frame is brought to the front
+    if frame == analyseFrame:
+        analyse_data()  #Automatically performs data analysis if "Analyse Patient Data" is selected
+
+
+#Main application tkinter
+root = tk.Tk()
+try:    #Starts the program in fullscreen, uses methods compatible with all operating systems
+    root.wm_attributes("-zoomed", True) #Linux version
+except tk.TclError:
+    root.state('zoomed') #Windows version
+    
+root.title("Patient Data Viewer")  #Window title
+#root.state('zoomed')  #Starts the window maximised
+root.configure(bg="#ffffff")  #Sets background color
+
+#Left menu frame for navigation
+menuFrame = tk.Frame(root, bg="#255fb5", width=200)
+menuFrame.pack(side="left", fill="y")
+
+#Main frame
+mainFrame = tk.Frame(root, bg="#ffffff")
+mainFrame.pack(side="right", expand=True, fill="both")
+
+#Frames for different screens in the app
+homeFrame = tk.Frame(mainFrame, bg="#ffffff")
+uploadFrame = tk.Frame(mainFrame, bg="#ffffff")
+viewFrame = tk.Frame(mainFrame, bg="#ffffff")
+analyseFrame = tk.Frame(mainFrame, bg="#ffffff")
+
+#All frames have the same properties
+for frame in (homeFrame, uploadFrame, viewFrame, analyseFrame):
+    frame.grid(row=0, column=0, sticky="nsew")
+mainFrame.grid_rowconfigure(0, weight=1)
+mainFrame.grid_columnconfigure(0, weight=1)
+
+#Menu buttons in a dictionary, the frames they open are value pairs
+menuButtons = {"Home": homeFrame, "Load Patient Data": uploadFrame, "View Patient Data": viewFrame, "Analyse Patient Data": analyseFrame}
+
+#Buttons for the menu
+for text, frame in menuButtons.items():
+    btn = tk.Button(menuFrame, text=text, font=("Arial", 12, "bold"), bg="#255fb5", fg="white", padx=10, pady=10, relief="flat", anchor="w", command=lambda f=frame: show_frame(f))
+    btn.pack(fill="x", pady=5)
+
+#Button for exiting the program
+exitButton = tk.Button(menuFrame, text="Close Program", font=("Arial", 12, "bold"), bg="#255fb5", fg="white", padx=10, pady=10, relief="flat", anchor="w", command=root.quit)
+exitButton.pack(side="bottom", fill="x", pady=5)
+
+#Various labels for the frames
+homeLabel = tk.Label(homeFrame, text="Welcome to the Patient Data Viewer", font=("Arial", 20, "bold"), bg="#ffffff")
+homeLabel.pack(pady=20)
+homeLabelHeader1 = tk.Label(homeFrame, text="Guide on using this application:", font=("Arial", 16, "bold"), bg="#ffffff")
+homeLabelHeader1.pack(pady=(40,20))
+homeLabelHeader2 = tk.Label(homeFrame, text="1. Loading Patient Data", font=("Arial", 16, "bold"), bg="#ffffff")
+homeLabelHeader2.pack(pady=(20,20))
+homeLabelBody1 = tk.Label(homeFrame, text="Before you can view your data, you need to load a valid .csv patient data file. To do this, you can go to the \"Load Patient Data\" \nsection, press the button, and locate your file within the explorer. The program will tell you if the file was loaded succesfully.", font=("Arial", 12), bg="#ffffff")
+homeLabelBody1.pack(pady=(0,20))
+homeLabelHeader3 = tk.Label(homeFrame, text="2. Viewing Patient Data", font=("Arial", 16, "bold"), bg="#ffffff")
+homeLabelHeader3.pack(pady=(50,20))
+homeLabelBody2 = tk.Label(homeFrame, text="Upon loading your .csv file successfully, you can view its contents in the \"View Patient Data\" section. Any patients needing referral\nwill be flagged in red. You can navigate to specific pages using the input and button at the centre bottom of the window. It is also\npossible to filter the table to only display only patients who need referring, and only those who do not.", font=("Arial", 12), bg="#ffffff")
+homeLabelBody2.pack(pady=(0,20))
+homeLabelHeader4 = tk.Label(homeFrame, text="3. Patient Data Analysis", font=("Arial", 16, "bold"), bg="#ffffff")
+homeLabelHeader4.pack(pady=(50,20))
+homeLabelBody3 = tk.Label(homeFrame, text="This section will display a variety of information about your .csv file. This includes the total number of patients, how many have been\nreferred and how many haven't (This is also displayed in a pie chart). There are also two tables which show how many missing fields are\npresent in each column, as well as the average value found in that column.", font=("Arial", 12), bg="#ffffff")
+homeLabelBody3.pack(pady=(0,20))
+
+
+uploadLabel = tk.Label(uploadFrame, text="Load Patient Data CSV", font=("Arial", 20, "bold"), bg="#ffffff")
+uploadLabel.pack(pady=20)
+
+uploadButton = tk.Button(uploadFrame, text="Press to Load File", command=upload_file, font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=25, pady=50, relief="flat")
+uploadButton.pack(pady=(250, 50))
+
+fileLabel = tk.Label(uploadFrame, text="No file selected, load a valid .csv file", font=("Arial", 12), bg="#ffffff")
+fileLabel.pack(pady=5)
+
+analyseLabel = tk.Label(analyseFrame, text="Patient Data Statistics", font=("Arial", 20, "bold"), bg="#ffffff")
+analyseLabel.pack(pady=20)
+
+#Column titles for the data tables
+columns = ("Encounter ID", "End Tidal CO2", "Feed Vol", "Feed Vol Adm", "FIO2", "FIO2 Ratio", "Insp Time", "Oxygen Flow Rate", "PEEP", "PIP", "Resp Rate", "SIP", "Tidal Vol", "Tidal Vol Actual", "Tidal Vol Kg", "Tidal Vol Spon", "BMI", "Referral")
+
+#Creates the table to view patient data
+tree = ttk.Treeview(viewFrame, columns=columns, show="headings", selectmode="browse")
+
+#Column headers and their alignment
+for col in columns:
+    tree.heading(col, text=col, anchor="center")
+    tree.column(col, width=100, anchor="center")
+
+#Colours for the patient table
+tree.tag_configure("even", background="#f9f9f9")
+tree.tag_configure("odd", background="#ffffff")
+tree.tag_configure("referral", background="#ffcccc")
+tree.pack(side="top", expand=True, fill="both")
+
+#Horizontal scrollbar for the table
+scroll_x = ttk.Scrollbar(viewFrame, orient="horizontal", command=tree.xview)
+tree.configure(xscrollcommand=scroll_x.set)
+scroll_x.pack(side="top", fill="x")
+
+#Buttons for navigating through the table pages
+previousButton = tk.Button(viewFrame, text="Previous", command=prev_page, font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+
+pageLabel = tk.Label(viewFrame, text="Page 1 of 1", font=("Arial", 12), bg="#ffffff")
+
+nextButton = tk.Button(viewFrame, text="Next", command=next_page, font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+
+#Button and input box to go directly to a specific page
+goButton = tk.Button(viewFrame, text="Go to page", command=go_to_page, font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+pageEntry = tk.Entry(viewFrame, width=5, font=("Arial", 12))
+
+#The navigation buttons
+previousButton.pack(side="left", padx=(25, 5), pady=20)
+pageLabel.pack(side="left", padx=5)
+nextButton.pack(side="left", padx=5, pady=5)
+goButton.pack(side="left", padx=(250, 5), pady=5)
+pageEntry.pack(side="left", padx=5, pady=5)
+
+#Filter buttons
+filterFrame = tk.Frame(viewFrame, bg="#ffffff")
+filterFrame.pack(side="top", fill="x", pady=10)
+#Button for "All Patients"
+allPatientsButton = tk.Button(filterFrame, text="All Patients", command=lambda: update_filter("All Patients"), font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+allPatientsButton.pack(side="right", padx=(5, 25), pady=20)
+# Button for "Referred" patients
+referredButton = tk.Button(filterFrame, text="Referred", command=lambda: update_filter("Needs Referral"), font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+referredButton.pack(side="right", padx=5, pady=20)
+# Button for "Not Referred" patients
+notReferredButton = tk.Button(filterFrame, text="Not Referred", command=lambda: update_filter("No Referral"), font=("Arial", 12, "bold"), bg="#286c32", fg="white", padx=10, pady=5, relief="flat")
+notReferredButton.pack(side="right", padx=5, pady=20)
+
+
+
+#Makes the "Home" frame the first to appear
+show_frame(homeFrame)
+
+#Starts the Tkinter event loop
+root.mainloop()
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