# Copyright (c) 2018 Esben Rossel
 # All rights reserved.
 #
 # Author: Esben Rossel <esbenrossel@gmail.com>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.

#plotting is derived from https://matplotlib.org/examples/user_interfaces/embedding_in_tk.html
import matplotlib
import tkinter as tk
import config
matplotlib.use('TkAgg')

from numpy import arange, sin, pi
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg, NavigationToolbar2Tk
# implement the default mpl key bindings
from matplotlib.backend_bases import key_press_handler

from matplotlib.figure import Figure

class buildplot(tk.Frame ):
    def __init__(self, master):
        #create canvas
        self.f = Figure(figsize=(10, 5), dpi=100, tight_layout=True)
        self.a = self.f.add_subplot(111)
        t = arange(0.0, 3.0, 0.01)
        s = sin(2*pi*t)

        self.a.plot(t, s, linewidth=0.6)

        # a tk.DrawingArea
        self.canvas = FigureCanvasTkAgg(self.f, master=master)
        self.canvas.draw()
        self.canvas.get_tk_widget().grid(row=0, columnspan=2)

        toolbarFrame = tk.Frame(master=master)
        toolbarFrame.grid(row=1,columnspan=2, sticky="w")
        toolbar1 = NavigationToolbar2Tk(self.canvas, toolbarFrame)

        def on_key_event(event):
            print('you pressed %s' % event.key)
            key_press_handler(event, canvas, toolbar)

    