class ControlFisheye(HIGVBox):
"""
"""
def __init__(self, radialnet):
"""
"""
HIGVBox.__init__(self)
self.set_border_width(6)
self.radialnet = radialnet
self.__ring_max_value = self.radialnet.get_number_of_rings()
self.__create_widgets()
def __create_widgets(self):
"""
"""
self.__params = HIGVBox()
self.__params_main = HIGHBox()
self.__params_options = HIGHBox()
self.__fisheye_label = gtk.Label('Fisheye on ring')
self.__ring = gtk.Adjustment(0, 0, self.__ring_max_value, 0.01, 0.01)
self.__ring_spin = gtk.SpinButton(self.__ring)
self.__ring_spin.set_digits(2)
self.__ring_scale = gtk.HScale(self.__ring)
self.__ring_scale.set_size_request(100, -1)
self.__ring_scale.set_digits(2)
self.__ring_scale.set_value_pos(gtk.POS_LEFT)
self.__ring_scale.set_draw_value(False)
self.__ring_scale.set_update_policy(gtk.UPDATE_CONTINUOUS)
self.__interest_label = gtk.Label('Interest factor')
self.__interest = gtk.Adjustment(0, 0, 10, 0.01)
self.__interest_spin = gtk.SpinButton(self.__interest)
self.__interest_spin.set_digits(2)
self.__spread_label = gtk.Label('Spread factor')
self.__spread = gtk.Adjustment(0, -1.0, 1.0, 0.01, 0.01)
self.__spread_spin = gtk.SpinButton(self.__spread)
self.__spread_spin.set_digits(2)
self.__options_button = gtk.ToggleButton('More')
self.__options_button.set_active(False)
self.__params._pack_noexpand_nofill(self.__params_main)
self.__params._pack_noexpand_nofill(self.__params_options)
self.__params_main._pack_noexpand_nofill(self.__fisheye_label)
self.__params_main._pack_noexpand_nofill(self.__ring_spin)
self.__params_main._pack_expand_fill(self.__ring_scale)
self.__params_main._pack_noexpand_nofill(self.__options_button)
self.__params_options._pack_noexpand_nofill(self.__interest_label)
self.__params_options._pack_noexpand_nofill(self.__interest_spin)
self.__params_options._pack_noexpand_nofill(self.__spread_label)
self.__params_options._pack_noexpand_nofill(self.__spread_spin)
self.__params_options.set_no_show_all(True)
self.__params_options.hide()
self._pack_noexpand_nofill(self.__params)
self.__ring.connect('value_changed', self.__change_ring)
self.__interest.connect('value_changed', self.__change_interest)
self.__spread.connect('value_changed', self.__change_spread)
self.__options_button.connect('toggled', self.__options_toggled)
gobject.timeout_add(REFRESH_RATE, self.__update_fisheye)
def __update_fisheye(self):
"""
"""
# adjust ring scale to radialnet number of nodes
ring_max_value = self.radialnet.get_number_of_rings() - 1
if ring_max_value != self.__ring_max_value:
value = self.__ring.get_value()
if value == 0 and ring_max_value != 0:
value = 1
elif value > ring_max_value:
value = ring_max_value
self.__ring.set_all(value, 1, ring_max_value, 0.01, 0.01, 0)
self.__ring_max_value = ring_max_value
self.__ring_scale.queue_draw()
# check ring value
ring_value = self.radialnet.get_fisheye_ring()
if self.__ring.get_value() != ring_value:
self.__ring.set_value(ring_value)
# check interest value
interest_value = self.radialnet.get_fisheye_interest()
if self.__interest.get_value() != interest_value:
self.__interest.set_value(interest_value)
# check spread value
spread_value = self.radialnet.get_fisheye_spread()
if self.__spread.get_value() != spread_value:
self.__spread.set_value(spread_value)
return True
def active_fisheye(self):
"""
"""
self.radialnet.set_fisheye(True)
self.__change_ring()
self.__change_interest()
def deactive_fisheye(self):
"""
"""
self.radialnet.set_fisheye(False)
def __change_ring(self, widget=None):
"""
"""
if not self.radialnet.is_in_animation():
self.radialnet.set_fisheye_ring(self.__ring.get_value())
else:
self.__ring.set_value(self.radialnet.get_fisheye_ring())
def __change_interest(self, widget=None):
"""
"""
if not self.radialnet.is_in_animation():
self.radialnet.set_fisheye_interest(self.__interest.get_value())
else:
self.__interest.set_value(self.radialnet.get_fisheye_interest())
def __change_spread(self, widget=None):
"""
"""
if not self.radialnet.is_in_animation():
self.radialnet.set_fisheye_spread(self.__spread.get_value())
else:
self.__spread.set_value(self.radialnet.get_fisheye_spread())
def __options_toggled(self, widget=None):
"""
"""
self.__params_options.set_no_show_all(False)
if self.__options_button.get_active():
self.__params_options.show_all()
else:
self.__params_options.hide_all()
self.__params_options.set_no_show_all(True)
