from bokeh.plotting import figure, curdoc
from bokeh.models import HoverTool, TapTool, BoxZoomTool, BoxSelectTool, PreviewSaveTool, ResetTool
from bokeh.models.widgets import Panel, Tabs, TextInput, RadioGroup
from bokeh.models import Range1d, LogAxis, LinearAxis
from bokeh.client import push_session
from bokeh.models.sources import ColumnDataSource
from bokeh.io import vform, hplot
from bokeh.palettes import Spectral11

import numpy as np

tabs = []

x = np.linspace(-2*np.pi, 2*np.pi, 200)

colour_list = Spectral11 #[(51, 153, 51) ,(153, 51, 51), (51, 51, 153), (153, 51,153 ), (153, 51, 51)]



y = 2*x**2 + 7/4.*x - 4
w = 1/100.* x**3 - x**2 + 45*x + 4

a = ColumnDataSource(dict(x = x, y = y, label = ["Second degree equation"]*len(x)))
b = ColumnDataSource(dict(x = x, y = w, label = ["Third degree equation"]*len(x)))

Tools = "pan,wheel_zoom,box_zoom,reset,hover,previewsave"

figure_obj = figure(plot_width = 1000, plot_height = 800, title = "these are polinominals", tools = Tools)

hover = figure_obj.select_one(HoverTool).tooltips = [("degree", "@label"), ("(x,y)", "($x, $y)") ]
line_render_one = figure_obj.line("x", "y", source = a, line_width = 2, line_color = colour_list[3])
line_render_two = figure_obj.line("x", "y", source = b, line_width = 2, line_color = colour_list[1])
line_renders = [line_render_one, line_render_two]

session = push_session(curdoc())
session.show()
session.loop_until_closed()