234 lines
4.9 KiB
Python
234 lines
4.9 KiB
Python
import tkinter
|
|
import tkinter.filedialog
|
|
import re
|
|
from math import *
|
|
import canvasvg
|
|
import graph
|
|
|
|
|
|
class Application(tkinter.Frame):
|
|
"""Application class"""
|
|
def __init__(self):
|
|
tkinter.Frame.__init__(self, window)
|
|
|
|
# Window settings
|
|
|
|
window.title("Settings")
|
|
window.resizable(0, 0)
|
|
window.geometry("{}x{}+{}+{}".format(
|
|
550, 110,
|
|
int((window.winfo_screenwidth() / 2) - 320),
|
|
window.winfo_screenheight()))
|
|
self.type = tkinter.StringVar()
|
|
self.text = tkinter.StringVar()
|
|
self.type.set("normal")
|
|
self.graph = graph.Graph(20, 20)
|
|
self.frame = self.graph.frame
|
|
self.widgets()
|
|
self.label()
|
|
|
|
def widgets(self):
|
|
"""Draws widgets"""
|
|
|
|
# Labels
|
|
|
|
self.label1 = tkinter.Label(window, textvariable=self.text)
|
|
self.label2 = tkinter.Label(window, text="Interval:")
|
|
self.label3 = tkinter.Label(window, text="Color:")
|
|
|
|
# Textboxes
|
|
|
|
self.textbox1 = tkinter.Entry(window)
|
|
self.textbox2 = tkinter.Entry(window)
|
|
self.textbox3 = tkinter.Entry(window)
|
|
|
|
# Options
|
|
|
|
self.choose1 = tkinter.Radiobutton(
|
|
window,
|
|
value="normal",
|
|
text="Normal",
|
|
variable=self.type,
|
|
command=self.label)
|
|
self.choose2 = tkinter.Radiobutton(
|
|
window,
|
|
value="points",
|
|
text="Points",
|
|
variable=self.type,
|
|
command=self.label)
|
|
self.choose3 = tkinter.Radiobutton(
|
|
window,
|
|
value="piecewise",
|
|
text="Piecewise",
|
|
variable=self.type,
|
|
command=self.label)
|
|
|
|
# Pulsanti
|
|
|
|
self.button1 = tkinter.Button(
|
|
window,
|
|
text="Plot",
|
|
command=self.plot)
|
|
self.button2 = tkinter.Button(
|
|
window,
|
|
text="Clear",
|
|
command=self.clear)
|
|
self.button3 = tkinter.Button(
|
|
window,
|
|
text="Clean Canvas",
|
|
command=self.graph.clean)
|
|
self.button4 = tkinter.Button(
|
|
window,
|
|
text="Save",
|
|
command=self.save)
|
|
self.button5 = tkinter.Button(
|
|
window,
|
|
text="Exit",
|
|
command=self.exit)
|
|
|
|
# Widgets layout
|
|
|
|
self.label1.grid(
|
|
column=0, row=0,
|
|
sticky="nw",
|
|
pady=5, padx=5)
|
|
self.label2.grid(
|
|
column=0, row=1,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.label3.grid(
|
|
column=0, row=2,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.textbox1.grid(
|
|
column=1, row=0,
|
|
sticky="nw",
|
|
pady=5, padx=5)
|
|
self.textbox2.grid(
|
|
column=1, row=1,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.textbox3.grid(
|
|
column=1, row=2,
|
|
padx=5, pady=2.5)
|
|
self.choose1.grid(
|
|
column=2, row=1,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.choose2.grid(
|
|
column=3, row=1,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.choose3.grid(
|
|
column=4, row=1,
|
|
sticky="nw",
|
|
pady=2.5, padx=5)
|
|
self.button1.grid(
|
|
column=2, row=0,
|
|
sticky="nwes",
|
|
pady=2.5, padx=5)
|
|
self.button2.grid(
|
|
column=3, row=0,
|
|
sticky="nwes",
|
|
pady=2.5, padx=5)
|
|
self.button3.grid(
|
|
column=4, row=0,
|
|
sticky="nwes",
|
|
pady=2.5, padx=5)
|
|
self.button4.grid(
|
|
column=2, row=2,
|
|
sticky="nwes",
|
|
pady=2.5, padx=5,
|
|
columnspan=2)
|
|
self.button5.grid(
|
|
column=4, row=2,
|
|
sticky="nwes",
|
|
pady=2.5, padx=5)
|
|
|
|
def label(self):
|
|
"""Change label basing on graph type"""
|
|
if self.type.get() == "normal":
|
|
self.text.set("f(x): y =")
|
|
elif self.type.get() == "piecewise":
|
|
self.text.set("[f1(x),(interval)],[f2(x),(interval)],...")
|
|
else:
|
|
self.text.set("(x1,y1),(x2,y2),...")
|
|
|
|
def plot(self):
|
|
"""Plot the data"""
|
|
|
|
# Prapare function for evaluation.
|
|
function = re.sub(
|
|
"([\+-\-]?\d+)(x)",
|
|
"\\1*x",
|
|
self.textbox1.get().replace("^", "**"))
|
|
function = re.sub(
|
|
"(\|)(.+)(\|)",
|
|
"abs(\\2)",
|
|
function)
|
|
function = re.sub(
|
|
"(.+)(\!)",
|
|
"factorial(\\1)",
|
|
function)
|
|
|
|
# set interval
|
|
try:
|
|
interval = eval(self.textbox2.get())
|
|
except SyntaxError:
|
|
start = -self.graph.X
|
|
stop = self.graph.X
|
|
else:
|
|
start = float(interval[0])
|
|
stop = float(interval[1])
|
|
|
|
# set color
|
|
color = self.textbox3.get()
|
|
if color == "":
|
|
color = "orange"
|
|
|
|
# draw graph based on choosed type
|
|
if self.type.get() == "normal":
|
|
function = eval("lambda x:" + function)
|
|
self.graph.plot(function, start, stop, color)
|
|
elif self.type.get() == "piecewise":
|
|
functions = re.sub("(\[\()(.+?\))", "\\1lambda x:\\2", function)
|
|
functions = re.sub("(\[)", "(", functions.replace("]", ")"))
|
|
for function in eval(functions):
|
|
self.graph.plot(
|
|
function[0],
|
|
function[1][0],
|
|
function[1][1],
|
|
color)
|
|
else:
|
|
function = graph.points(eval(self.textbox1.get()))
|
|
self.graph.plot(
|
|
function,
|
|
points[0][0],
|
|
points[len(points) - 1][1],
|
|
color)
|
|
|
|
def clear(self):
|
|
"""Clear entered data"""
|
|
self.textbox1.delete(0, "end")
|
|
self.textbox2.delete(0, "end")
|
|
self.textbox3.delete(0, "end")
|
|
|
|
def save(self):
|
|
"""Save plot in svg"""
|
|
settings = {
|
|
"parent": self.frame,
|
|
"defaultextension": ".svg",
|
|
"initialfile": "graph.svg",
|
|
"title": "Save graph"
|
|
}
|
|
file = tkinter.filedialog.asksaveasfilename(**settings)
|
|
canvasvg.saveall(file, self.canvas)
|
|
|
|
def exit(self):
|
|
window.destroy()
|
|
self.frame.destroy()
|
|
|
|
window = tkinter.Tk()
|
|
app = Application()
|
|
app.mainloop()
|