a snapshot of Note taking app with glade and python

# -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
### BEGIN LICENSE
# This file is in the public domain
### END LICENSE

from locale import gettext as _

from gi.repository import Gtk, Gdk, Gio, GObject, Pango # pylint: disable=E0611
import logging
import sys
import os
logger = logging.getLogger('college')

from college_lib import Window
from college.AboutCollegeDialog import AboutCollegeDialog
from college.PreferencesCollegeDialog import PreferencesCollegeDialog

# See college_lib.Window.py for more details about how this class works
class CollegeWindow(Window):
    __gtype_name__ = "CollegeWindow"

    def finish_initializing(self, builder): # pylint: disable=E1002
        """Set up the main window"""
        super(CollegeWindow, self).finish_initializing(builder)

############################################################removedev
        self.AboutDialog = AboutCollegeDialog
        self.PreferencesDialog = PreferencesCollegeDialog
        self.editdesign = self.builder.get_object("editdesign")
        self.editedit = self.builder.get_object("editedit")
############################################################removedev
        self.toolbar = self.builder.get_object("toolbar")

        self.notelist = self.builder.get_object("notelist")

        self.textview = self.builder.get_object("textview")
        self.textbuffer = self.textview.get_buffer()

        self.saver = self.builder.get_object("saver")
        self.opener = self.builder.get_object("opener")

        self.switch = self.builder.get_object("switch")
        self.switch2 = self.builder.get_object("switch2")
        self.switch.set_active(False)
        self.switch2.set_active(False)
        self.switch.connect('notify::active', self.switcher)
        self.switch2.connect('notify::active', self.switcher2)

        self.mainpanel = self.builder.get_object("mainpanel")
        self.scrolledwindow = self.builder.get_object("scrolledwindow")
        self.sidebar = self.builder.get_object("sidebarholder")
        self.sidebar.hide()

        self.bolder = self.builder.get_object("bolder")
        self.italicer = self.builder.get_object("italicer")
        self.underliner = self.builder.get_object("underliner")

    #Auto Open
        file = open("note.txt", "r")
        text = file.read()
        file.close()
        self.textbuffer.set_text(text)
        #Style tags for text
        self.bold = self.textbuffer.create_tag("bold", weight=Pango.Weight.BOLD)
        self.italic = self.textbuffer.create_tag("italic", style=Pango.Style.ITALIC)
        self.underline = self.textbuffer.create_tag("underline", underline=Pango.Underline.SINGLE)
        # Code for other initialization actions should be added here.

        #Ubuntu style toolbar
        context = self.toolbar.get_style_context()
        context.add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR)

############################################################rmdev
    def on_editdesign_activate(self, widget):
        os.system("~/.college/./collegedesign")
    def on_editedit_activate(self, widget):
        os.system("~/.college/./collegeedit")
############################################################rmdev

    def switcher(self, button, active):
        if button.get_active():
            self.mainpanel.set_position(-1)
        else:
            self.mainpanel.set_position(9999)

    def switcher2(self, button, active):
        if button.get_active():
            self.sidebar.show()
        else:
            self.sidebar.hide()
    #Styling Functions, Formatting.
    def on_bolder_toggled(self, widget):
        if self.bolder.get_active():
            print "Bold activated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.apply_tag(self.bold, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.apply_tag(self.bold, start, end)
        else:
            print "Bold deactivated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.remove_tag(self.bold, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.remove_tag(self.bold, start, end)

    def on_italicer_toggled(self, widget):
        if self.italicer.get_active():
            print "Italic activated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.apply_tag(self.italic, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.apply_tag(self.italic, start, end)
        else:
            print "Italic deactivated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.remove_tag(self.italic, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.remove_tag(self.italic, start, end)

    def on_underliner_toggled(self, widget):
        if self.underliner.get_active():
            print "Underline activated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.apply_tag(self.underline, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.apply_tag(self.underline, start, end)
        else:
            print "Underline deactivated"
            if len(self.textbuffer.get_selection_bounds()) !=0:
                start, end = self.textbuffer.get_selection_bounds()
                self.textbuffer.remove_tag(self.underline, start, end)
            elif len(self.textbuffer.get_bounds()) !=0:
                start, end = self.textbuffer.get_bounds()
                self.textbuffer.remove_tag(self.underline, start, end)

    def on_saver_clicked(self, widget):
        print "Saved"
        start, end = self.textbuffer.get_bounds()
        text = self.textbuffer.get_text(start, end, False)
        file = open("note.txt", "w")
        file.write(text)
        file.close()
    def on_mnu_save_activate(self, widget):
        print "Saved"
        start, end = self.textbuffer.get_bounds()
        text = self.textbuffer.get_text(start, end, False)
        file = open("note.txt", "w")
        file.write(text)
        file.close()

    def on_opener_clicked(self, widget):
        print "Loaded"
        file = open("note.txt", "r")
        text = file.read()
        file.close()
        self.textbuffer.set_text(text)
    def on_mnu_open_activate(self, widget):
        print "Loaded"
        file = open("note.txt", "r")
        text = file.read()
        file.close()
        self.textbuffer.set_text(text)

    def on_college_window_destroy(self, widget):
        start, end = self.textbuffer.get_bounds()
        text = self.textbuffer.get_text(start, end, False)
        file = open("note.txt", "w")
        file.write(text)
        file.close()
        print "Saved your data before exiting"
        print "BYE!"