lineargraphplotter.py

from tkinter import *
from tkinter import ttk
from tkinter import messagebox as mbox
from matplotlib.figure import Figure
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg


class Frame:
    def __init__(self, root, framename, framelabel, col, row):
        self.root = root
        self.framename = framename
        self.framelabel = framelabel
        self.col = col
        self.row = row

    def createframe(self):
        self.framename = ttk.LabelFrame(self.root, text=self.framelabel)
        self.framename.grid(column=self.col, row=self.row, padx=5, pady=5, sticky=W)


class Msgbox:
    def __init__(self, label, text):
        self.label = label
        self.text = text

    def showbox(self):
        mbox.showwarning(self.label, self.text)


class Widgets:
    def __init__(self, framename, widgetname, col, row):
        self.framename = framename
        self.widgetname = widgetname
        self.col = col
        self.row = row

    def grid(self):
        self.widgetname.grid(column=self.col, row=self.row, padx=10, pady=5)

    def createlabel(self, labeltext):
        self.widgetname = ttk.Label(self.framename, text=labeltext, font='Rockwell')
        self.grid()

    def createtextbox(self, variable):
        self.widgetname = ttk.Entry(self.framename, width=10, textvariable=variable)
        self.grid()

    def createbutton(self, btnlabel, command):
        self.widgetname = ttk.Button(self.framename, width=10, text=btnlabel, command=command)
        self.grid()


class Graph:
    def __init__(self, root, width, height):
        self.root = root
        self.width = width
        self.height = height
        self.graphname = Figure(figsize=(self.width, self.height), facecolor='white')
        canvas = FigureCanvasTkAgg(self.graphname, master=root)
        canvas._tkcanvas.pack(fill=BOTH, expand=1, side=TOP)


class Plot:
    def __init__(self, graphname, plotname, position):
        self.graphname = graphname
        self.plotname = plotname
        self.position = position
        self.plotname = self.graphname.add_subplot(self.position)

    def drawinplot(self, xval, yval):
        self.plotname.plot(xval, yval)

    def configplot(self, xlabel, ylabel, xlimit, ylimit):
        self.plotname.set_xlabel(xlabel)
        self.plotname.set_ylabel(ylabel)
        self.plotname.set_xlim(xlimit)
        self.plotname.set_ylim(ylimit)
        self.plotname.grid(linestyle='-')


xvalue = []
yvalue = []


def plotvals():
    x = xVal.get()
    y = yVal.get()
    if len(xvalue) == 0:
        if x > 2050:
            errorB.showbox()
        else:
            xvalue.append(x)
            yvalue.append(y)
    else:
        if x < xvalue[-1]:
            errorA.showbox()
        elif x > 2050:
            errorB.showbox()
        else:
            xvalue.append(x)
            yvalue.append(y)
            graphA.plotname.clear()
            graphA.plotname.plot(xvalue, yvalue)
            graphA.configplot('Year', 'Sales in $', (2000, 2050), 0)
            figure1.graphname.canvas.draw()



app = Tk()
app.title('Annual Income Graph Plotter')
app.resizable(0, 0)

graphframe = Frame(app, 'graphframe', 'Linear Graph', 0, 0)
graphframe.createframe()

drawingframe = Frame(app, 'drawingframe', 'Add Values', 0, 1)
drawingframe.createframe()

figure1 = Graph(graphframe.framename, 10, 4)

graphA = Plot(figure1.graphname, 'graphA', 111)
graphA.configplot('Year', 'Sales in $', (2000, 2050), 0)

hlabel = Widgets(drawingframe.framename, 'xlabel', 0, 0)
hlabel.createlabel('x Value:')

xVal = IntVar()
inputx = Widgets(drawingframe.framename, 'inputx', 1, 0)
inputx.createtextbox(xVal)

vlabel = Widgets(drawingframe.framename, 'ylabel', 2, 0)
vlabel.createlabel('y Value:')

yVal = IntVar()
inputy = Widgets(drawingframe.framename, 'inputx', 3, 0)
inputy.createtextbox(yVal)

errorA = Msgbox('Invalid Arguments', 'The value of x that you entered is less than\n'
                                     ' the previous value of x that is plotted')

errorB = Msgbox('Invalid Arguments', 'The value of x is out of range')

plotbtn = Widgets(drawingframe.framename, 'input', 4, 0)
plotbtn.createbutton('Plot Values', plotvals)

app.mainloop()