def __init__(self):
"""Creates a new mathogen tutorial display, with a clickable
list of avaliable tutorials."""
gtk.VBox.__init__(self, False, 0)
self._tute = MathogenTute()
self._menu = self._build_menu(self._tute)
self._menu.show() #TODO make a toggle function?
self.pack_start(self._menu, True, True, 0)
self._viewer = gtk.VBox(False, 0)
#viewer stays hidden until an option is selected
self.pack_start(self._viewer, True, True, 0)
self._page_window = gtk.ScrolledWindow()
self._page_window.set_size_request(1000, 500)
self._page_window.set_policy(gtk.POLICY_AUTOMATIC,
gtk.POLICY_AUTOMATIC)
self._page_window.show()
self._viewer.pack_start(self._page_window, True, True, 0)
self._control_strip = gtk.HBox(True, 5)
self._control_strip.show()
self._viewer.pack_end(self._control_strip, False, False, 0)
self._btn_menu = gtk.Button("Menu")
self._btn_menu.connect('clicked', self._btn_menu_clicked_cb)
self._btn_menu.show()
self._control_strip.pack_start(self._btn_menu, True, False, 0)
self._page_buttons = gtk.HBox(True, 5)
self._page_buttons.show()
#page buttons will be added to this
self._control_strip.pack_start(self._page_buttons, True, True, 0)
self.show()
class MathogenTuteGui(gtk.VBox):
"""Handles GUI display for a mathogen tutorials"""
def __init__(self):
"""Creates a new mathogen tutorial display, with a clickable
list of avaliable tutorials."""
gtk.VBox.__init__(self, False, 0)
self._tute = MathogenTute()
self._menu = self._build_menu(self._tute)
self._menu.show() #TODO make a toggle function?
self.pack_start(self._menu, True, True, 0)
self._viewer = gtk.VBox(False, 0)
#viewer stays hidden until an option is selected
self.pack_start(self._viewer, True, True, 0)
self._page_window = gtk.ScrolledWindow()
self._page_window.set_size_request(1000, 500)
self._page_window.set_policy(gtk.POLICY_AUTOMATIC,
gtk.POLICY_AUTOMATIC)
self._page_window.show()
self._viewer.pack_start(self._page_window, True, True, 0)
self._control_strip = gtk.HBox(True, 5)
self._control_strip.show()
self._viewer.pack_end(self._control_strip, False, False, 0)
self._btn_menu = gtk.Button("Menu")
self._btn_menu.connect('clicked', self._btn_menu_clicked_cb)
self._btn_menu.show()
self._control_strip.pack_start(self._btn_menu, True, False, 0)
self._page_buttons = gtk.HBox(True, 5)
self._page_buttons.show()
#page buttons will be added to this
self._control_strip.pack_start(self._page_buttons, True, True, 0)
self.show()
def _btn_menu_clicked_cb(self, widget, data=None):
self._viewer.hide()
self._menu.show()
def _menu_option_clicked_cb(self, widget, data):
self._show_tutorial(data)
def _btn_page_clicked_cb(self, widget, data):
page_number = data
self._show_page(self._tutorial, page_number)
def _build_menu(self, tute):
menu = gtk.VBox(True, 20)
for tutorial in tute.get_tutorial_list():
btn = gtk.Button(tutorial)
_set_font_params(btn.get_child(), scale=_MENU_BUTTON_TEXT_SCALE)
btn.show()
btn.connect("clicked", self._menu_option_clicked_cb, tutorial)
menu.pack_start(btn, True, True, 0)
return menu
def _show_tutorial(self, tutorial):
for child in self._page_buttons.get_children():
self._page_buttons.remove(child)
self._tutorial = tutorial
page_count = self._tute.page_count(tutorial)
if page_count == 0:
if len(self._page_window.get_children()) > 0:
self._page_window.remove(self._page_window.get_children()[0])
message = gtk.Label("No pages to display")
message.show()
self._page_window.add_with_viewport(message)
else:
for page_number in range(0, page_count):
button = gtk.Button(str(page_number))
_set_font_params(button.get_child(),
scale=_PAGE_NUMBER_BUTTON_TEXT_SCALE)
button.connect("clicked", self._btn_page_clicked_cb,
page_number)
button.show()
self._page_buttons.pack_start(button, True, False, 0)
self._show_page(tutorial, 0)
self._menu.hide()
self._viewer.show()
def _show_page(self, tutorial, page):
""" Displays the indicated page in the viewing area """
if len(self._page_window.get_children()) > 0:
self._page_window.remove(self._page_window.get_children()[0])
if len(self._page_window.get_children()) > 0:
self._page_window.remove(
self._page_window.get_children()[0]) #trying to overcome a bug
self._page_window.add_with_viewport(self._tute.get_page(
tutorial, page))
