def plot_degree( event, cmbox ):
	"""
		Plot the info about the degree selected on combobox
	"""
	
	sel = cmbox.GetStringSelection()
	title = sel.split(' | ')
	if sel != '':
		C_D = Controller_DB()
		lista = C_D.query_students_degrees()
		x=[]
		y=[]

		for i in lista:
		
			if i[0].find(sel.encode('utf-8')) >= 0:
				x.append(i[1])
				y.append(i[2])
		C_p = Controller_Plot(title[0],x, y)
		C_p.plot_data()

	pass
def plot_major( event, cmbox ):
	"""
		Plot the info about the major selected on combobox
	"""

	id_major = cmbox.GetCurrentSelection()
	name = cmbox.GetStringSelection()
	
	id_major = id_major + 1
	
	C_D = Controller_DB()
	lista = C_D.query_students_major_plot(id_major)

	x=[]
	y=[]
	for i in lista:
		x.append(i[1])
		y.append(i[2])
	
	C_p = Controller_Plot(name ,x, y)
	
	C_p.plot_data()

	pass