#!/usr/bin/python
# -*- coding: utf-8 -*-
#
"""
Nome: TkInterface.py
Autor: Alessandro dos Santos Ferreira ( santosferreira.alessandro@gmail.com )
Descricão: Classe que implementa os modulos de interface utilizando a biblioteca TkInter.
"""
import sys
if sys.version_info[0] < 3:
import Tkinter as Tk
else:
import tkinter as Tk
import tkMessageBox
import matplotlib
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib import pylab as plt
from Interface import Interface, InterfaceException as IException
from tk_interface import *
class TkInterface(Interface):
utils = TkUtils.TkUtils
title = None
__root = None
__menus = None
__configs = None
__im = None
__canvas = None
__logger = None
__dialog = None
def __init__(self, title):
self.title = title
self.__root = Tk.Tk()
self.__root.wm_title(self.title)
self.__root.geometry('%dx%d+%d+%d' % (800, 600, 0, 0))
self.__menus = []
self.__configs = []
def set_subtitle(self, subtitle):
self.__root.wm_title(self.title + ' - ' + subtitle)
def add_menu(self, label):
self.__menus.append( Menu.Menu(label) )
def add_command(self, label, action, shortcut = None):
self.__menus[-1].add_command( label = label, action = lambda *_: self.__apply( action ), shortcut = shortcut )
def add_separator(self):
self.__menus[-1].add_separator( )
def render_menu(self):
menubar = Tk.Menu(self.__root)
shortcuts = []
for menu in self.__menus:
menubar = menu.render(menubar)
shortcuts += menu.get_shorcuts()
self.__root.config(menu=menubar)
for sh in shortcuts:
self.__root.bind("<Control-Key-" + sh["shortcut"] + ">", sh["action"])
self.__root.bind("<Control-Key-" + sh["shortcut"].lower() + ">", sh["action"])
def show(self):
self.__root.protocol("WM_DELETE_WINDOW", self.quit)
self.__root.mainloop()
def add_image(self, image, title = None, onclick = None):
if self.__canvas is None:
self.__root.image = image
fig = plt.figure(facecolor='white')
self.__im = plt.imshow(self.__root.image) # later use a.set_data(new_data)
#ax = plt.gca()
#ax.set_xticklabels([])
#ax.set_yticklabels([])
# a tk.DrawingArea
self.__canvas = FigureCanvasTkAgg(fig, master=self.__root)
self.__canvas.show()
self.__canvas.get_tk_widget().pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
if onclick is not None:
fig.canvas.mpl_connect('button_press_event', func = lambda event, *_: self.__apply( onclick, event ))
if title is not None:
self.set_subtitle(title)
else:
self.refresh_image(image, title)
def refresh_image(self, image, title = 'None'):
if self.__canvas is not None:
self.__root.image = image
self.__im.set_data(self.__root.image)
self.__canvas.draw()
def close_image(self):
if self.__canvas is not None:
if tkMessageBox.askokcancel("Quit", "Do you want to close the image?"):
self.__root.image = None
#self.__im.set_data(np.zeros((0,0,3), float))
#self.__canvas.draw()
self.__canvas.get_tk_widget().pack_forget();
self.__canvas.get_tk_widget().destroy();
self.__im = None
self.__canvas = None
return True
return False
def create_logger(self):
self.__logger = Tk.Text(self.__root, width=0, height=10, bg="white", fg="black", padx=5, pady=5)
self.__logger.insert(Tk.INSERT, "$ Pynovisao is ready!\n")
self.__logger.config(state=Tk.DISABLED)
self.__logger.pack(side=Tk.BOTTOM, fill=Tk.X, expand=False)
def write_logger(self, fmt, *args):
self.clean_logger()
self.append_logger(fmt % args)
def append_logger(self, fmt, *args):
self.__logger.config(state=Tk.NORMAL)
self.__logger.insert(Tk.END, fmt % args)
self.__logger.insert(Tk.END, '\n')
self.__logger.config(state=Tk.DISABLED)
def clean_logger(self):
self.__logger.config(state=Tk.NORMAL)
self.__logger.delete('1.0', Tk.END)
self.__logger.insert('1.0', '$ ')
self.__logger.config(state=Tk.DISABLED)
def destroy_logger(self):
self.__logger.pack_forget();
self.__logger.destroy();
def popup(self):
pass
def log_and_popup(self, message):
pass
def show_error(self, fmt, *args):
tkMessageBox.showerror("Error", fmt % args)
def show_info(self, fmt, *args):
tkMessageBox.showinfo("Info", fmt % args)
def show_warning(self, fmt, *args):
tkMessageBox.showwarning("Warning", fmt % args)
def dialogue_config(self, title, configs, callback):
n_configs = len(configs)
self.__dialog = Tk.Toplevel(self.__root, padx=10, pady=10)
self.__dialog.title(title)
row = 0
self.__configs = []
for config in configs:
Tk.Label(self.__dialog, text=config.title()).grid(row=row, padx=4, pady=4, sticky=Tk.W)
entry = Tk.Entry(self.__dialog)
entry.insert(0, str(configs[config].value))
entry.grid(row=row, column=1, padx=4, pady=4, sticky=Tk.W)
if row == 0:
entry.focus_set()
self.__configs.append( TkConfig.TkConfig(config, configs[config].value, c_type=configs[config].c_type, tk_entry=entry) )
row += 1
B1 = Tk.Button(self.__dialog, text="Ok", width=5, command = lambda *_: self.__apply( callback ))
B1.grid(row=row, padx=6, pady=6, sticky=Tk.W)
self.__dialog.bind("<Return>", lambda *_: self.__apply( callback ))
B2 = Tk.Button(self.__dialog, text="Cancel", width=5, command = self.__dialog.destroy)
B2.grid(row=row, column=1, padx=6, pady=6, sticky=Tk.W)
self.__dialog.bind("<Escape>", lambda *_: self.__dialog.destroy())
self.__dialog.grab_set()
self.__dialog.protocol("WM_DELETE_WINDOW", self.__dialog.destroy)
self.__dialog.geometry("+%d+%d" % (self.__root.winfo_width()/3,
self.__root.winfo_height()/3))
def get_config_and_destroy(self):
try:
configs = {}
for config in self.__configs:
config.value = config.get_entry_val()
configs[config.label] = config
except:
self.__dialog.destroy()
raise IException("Illegal values, please try again")
self.__dialog.destroy()
return configs
def quit(self):
if tkMessageBox.askokcancel("Quit", "Do you want to quit?"):
self.__root.quit()
self.__root.destroy()
def debug(self, event):
print("DEBUG")
def __apply(self, f, *args):
try:
f(*args)
except IException as exc:
self.__log_exception( str(exc), True )
except:
self.__log_exception( IException.format_exception() )
def __log_exception(self, message, warning = False):
if warning == True:
self.show_warning( message )
elif IException.DEBUG == True:
self.append_logger( message )
else:
self.show_error( message )