class SolarSystem(activity.Activity):
def __init__(self, handle):
activity.Activity.__init__(self, handle)
self.screen = None
self.toolbarbox = ToolbarBox(self)
self.toolbarbox.connect("show-simulation", self._show_simulation_cb)
self.toolbarbox.connect("show-info", self._show_info_cb)
self.toolbarbox.connect("go-back", self._go_back_cb)
self.toolbarbox.connect("go-forward", self._go_forward_cb)
self.toolbarbox.connect("show-orbits", self._show_orbits_cb)
self.toolbarbox.connect("show-body", self._show_body_cb)
self.toolbarbox.connect("speed-changed", self._speed_changed_cb)
self.toolbarbox.connect("zoom-changed", self._zoom_changed_cb)
self.set_toolbar_box(self.toolbarbox)
self.box = Gtk.VBox()
self.set_canvas(self.box)
self.area = Area()
self.area.connect("body-selected", self._body_selected)
self.info_view = InfoView()
self.info_view.connect("change-cursor", self._change_cursor)
self.info_view.connect("can-go-back", self._can_go_back_cb)
self.info_view.connect("can-go-forward", self._can_go_forward_cb)
self.set_screen(Screen.SOLAR_SYSTEM)
self.show_all()
def set_screen(self, screen):
if screen == self.screen:
return
self.screen = screen
if self.screen == Screen.SOLAR_SYSTEM:
self.toolbarbox.set_can_go_back(False)
self.toolbarbox.set_can_go_forward(False)
self.toolbarbox.enable_simulation_widgets()
if self.info_view.get_parent() == self.box:
self.box.remove(self.info_view)
if self.area.get_parent() == None:
self.box.pack_start(self.area, True, True, 0)
self.box.reorder_child(self.area, 0)
elif self.screen == Screen.INFO:
self.toolbarbox.set_can_go_back(self.info_view.view.can_go_back())
self.toolbarbox.set_can_go_forward(self.info_view.view.can_go_forward())
self.toolbarbox.disable_simulation_widgets()
if self.area.get_parent() == self.box:
self.box.remove(self.area)
if self.info_view.get_parent() == None:
self.box.pack_start(self.info_view, True, True, 0)
self.box.reorder_child(self.info_view, 0)
self.toolbarbox.select_screen(self.screen)
self.show_all()
def _show_simulation_cb(self, widget):
self.set_screen(Screen.SOLAR_SYSTEM)
def _show_info_cb(self, widget):
if self.screen != Screen.INFO:
self.set_screen(Screen.INFO)
self.info_view.load_file(get_data_file("index"))
def _go_back_cb(self, widget):
self.info_view.back()
def _go_forward_cb(self, widget):
self.info_view.forward()
def _show_orbits_cb(self, widget, show):
self.area.set_show_orbits(show)
def _show_body_cb(self, widget, body, show):
self.area.set_body_visible(body, show)
def _speed_changed_cb(self, widget, speed):
self.area.set_speed(speed)
def _zoom_changed_cb(self, widget, zoom):
self.area.set_zoom(zoom)
def _body_selected(self, widget, body):
print body, self.screen, Screen.INFO
self.set_screen(Screen.INFO)
self.info_view.set_body(body)
def _change_cursor(self, widget, cursor):
if self.get_window() == None:
return
cursor_type = None
if cursor == Cursor.ARROW:
cursor_type = Gdk.CursorType.ARROW
elif cursor == Cursor.LOADING:
cursor_type = Gdk.CursorType.WATCH
if cursor_type != None:
self.get_window().set_cursor(Gdk.Cursor(cursor_type))
def _can_go_back_cb(self, widget, can):
self.toolbarbox.set_can_go_back(can)
def _can_go_forward_cb(self, widget, can):
self.toolbarbox.set_can_go_forward(can)
class SolarSystem(Gtk.VBox):
__gsignals__ = {"view-changed": (GObject.SIGNAL_RUN_FIRST, None, [int])}
def __init__(self):
Gtk.VBox.__init__(self)
self.screen = None
self.area = Area()
self.area.connect("body-selected", self._body_selected)
self.info_view = InfoView()
self.info_view.connect("change-cursor", self._change_cursor)
adj = Gtk.Adjustment(10, 0.2, 100, 0.5, 1)
s = Gtk.HScale()
s.set_draw_value(False)
s.set_adjustment(adj)
s.connect("value-changed", self.change_zoom)
self.pack_start(s, False, False, 0)
adj = Gtk.Adjustment(1, 0.1, 5, 0.1, 1)
s = Gtk.HScale()
s.set_draw_value(False)
s.set_adjustment(adj)
s.connect("value-changed", self.change_speed)
self.pack_start(s, False, False, 0)
self.set_screen(Screen.SOLAR_SYSTEM)
self.show_all()
def _body_selected(self, widget, body):
self.set_screen(Screen.INFO)
self.info_view.set_body(body)
def _change_cursor(self, widget, cursor):
if self.get_window() is None:
return
cursor_type = None
if cursor == Cursor.ARROW:
cursor_type = Gdk.CursorType.ARROW
elif cursor == Cursor.LOADING:
cursor_type = Gdk.CursorType.WATCH
if cursor_type is not None:
self.get_window().set_cursor(Gdk.Cursor(cursor_type))
def change_zoom(self, widget):
self.area.zoom = widget.get_value()
def change_speed(self, widget):
self.area.speed = widget.get_value()
def set_screen(self, screen):
if screen == self.screen:
return
self.screen = screen
if self.screen == Screen.SOLAR_SYSTEM:
if self.info_view.get_parent() == self:
self.remove(self.info_view)
if self.area.get_parent() is None:
self.pack_start(self.area, True, True, 0)
self.reorder_child(self.area, 0)
elif self.screen == Screen.INFO:
if self.area.get_parent() == self:
self.remove(self.area)
if self.info_view.get_parent() is None:
self.pack_start(self.info_view, True, True, 0)
self.reorder_child(self.info_view, 0)
