469 lines
17 KiB
Python
469 lines
17 KiB
Python
# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2011-2016 Serge Noiraud
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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#-------------------------------------------------------------------------
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#
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# Python modules
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#
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#-------------------------------------------------------------------------
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import os
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#------------------------------------------------------------------------
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#
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# Set up logging
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#
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#------------------------------------------------------------------------
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import time
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import logging
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_LOG = logging.getLogger("maps.osmgps")
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#-------------------------------------------------------------------------
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#
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# GTK/Gnome modules
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#
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#-------------------------------------------------------------------------
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from gi.repository import Gtk
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from gi.repository import Gdk
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#-------------------------------------------------------------------------
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#
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# Gramps Modules
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#
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#-------------------------------------------------------------------------
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from gramps.plugins.lib.maps import constants
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from .dummylayer import DummyLayer
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from .dummynogps import DummyMapNoGpsPoint
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from .selectionlayer import SelectionLayer
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from .lifewaylayer import LifeWayLayer
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from .markerlayer import MarkerLayer
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from .datelayer import DateLayer
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from .messagelayer import MessageLayer
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from .kmllayer import KmlLayer
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from gramps.gen.const import GRAMPS_LOCALE as glocale
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_ = glocale.translation.sgettext
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from gramps.gen.config import config
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from gramps.gui.dialog import ErrorDialog
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from gramps.gen.constfunc import get_env_var
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#-------------------------------------------------------------------------
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#
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# OsmGps
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#
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#-------------------------------------------------------------------------
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try:
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import gi
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gi.require_version('OsmGpsMap', '1.0')
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from gi.repository import OsmGpsMap as osmgpsmap
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except:
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raise
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# pylint: disable=unused-argument
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# pylint: disable=no-member
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# pylint: disable=maybe-no-member
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class OsmGps:
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"""
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This class is used to create a map
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"""
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def __init__(self):
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"""
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Initialize the map
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"""
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self.vbox = None
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self.cross_map = None
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self.osm = None
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self.show_tooltips = True
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self.zone_selection = False
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self.selection_layer = None
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self.lifeway_layer = None
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self.marker_layer = None
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self.date_layer = None
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self.message_layer = None
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self.kml_layer = None
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self.context_id = 0
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self.begin_selection = None
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self.end_selection = None
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self.current_map = None
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self.places_found = None
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def build_widget(self):
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"""
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create the vbox
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"""
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self.vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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cache_path = config.get('geography.path')
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if not os.path.isdir(cache_path):
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try:
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os.makedirs(cache_path, 0o755) # create dir like mkdir -p
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except:
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ErrorDialog(_("Can't create " # no-parent
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"tiles cache directory %s") % cache_path)
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return self.vbox
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self.change_map(None, config.get("geography.map_service"))
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return self.vbox
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def change_map(self, obj, map_type):
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"""
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Change the current map
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"""
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if obj is not None:
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self.osm.layer_remove_all()
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self.osm.image_remove_all()
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self.vbox.remove(self.osm)
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self.osm.destroy()
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tiles_path = os.path.join(config.get('geography.path'),
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constants.TILES_PATH[map_type])
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if not os.path.isdir(tiles_path):
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try:
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os.makedirs(tiles_path, 0o755) # create dir like mkdir -p
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except:
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ErrorDialog(_("Can't create " # no-parent
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"tiles cache directory for '%s'.") %
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constants.MAP_TITLE[map_type])
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config.set("geography.map_service", map_type)
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self.current_map = map_type
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http_proxy = get_env_var('http_proxy')
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if 0:
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self.osm = DummyMapNoGpsPoint()
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else:
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if http_proxy:
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self.osm = osmgpsmap.Map(tile_cache=tiles_path,
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proxy_uri=http_proxy,
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map_source=constants.MAP_TYPE[
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map_type])
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else:
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self.osm = osmgpsmap.Map(tile_cache=tiles_path,
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map_source=constants.MAP_TYPE[
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map_type])
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self.osm.props.tile_cache = osmgpsmap.MAP_CACHE_AUTO
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current_map = osmgpsmap.MapOsd(show_dpad=False, show_zoom=True)
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self.end_selection = None
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self.osm.layer_add(current_map)
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self.osm.layer_add(DummyLayer())
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self.selection_layer = self.add_selection_layer()
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self.kml_layer = self.add_kml_layer()
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self.lifeway_layer = self.add_lifeway_layer()
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self.marker_layer = self.add_marker_layer()
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self.date_layer = self.add_date_layer()
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self.message_layer = self.add_message_layer()
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self.cross_map = osmgpsmap.MapOsd(show_crosshair=False)
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self.set_crosshair(config.get("geography.show_cross"))
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self.osm.set_center_and_zoom(config.get("geography.center-lat"),
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config.get("geography.center-lon"),
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config.get("geography.zoom"))
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self.osm.connect('button_release_event', self.map_clicked)
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self.osm.connect('button_press_event', self.map_clicked)
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self.osm.connect("motion-notify-event", self.motion_event)
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self.osm.connect('changed', self.zoom_changed)
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self.update_shortcuts(True)
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self.osm.show()
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self.vbox.pack_start(self.osm, True, True, 0)
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self.goto_handle(handle=None)
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def update_shortcuts(self, arg):
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"""
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connect the keyboard or the keypad for shortcuts
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arg is mandatory because this function is also called by
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the checkbox button
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"""
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config.set('geography.use-keypad',
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self._config.get('geography.use-keypad'))
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if config.get('geography.use-keypad'):
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.ZOOMIN,
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Gdk.keyval_from_name("KP_Add"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.ZOOMOUT,
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Gdk.keyval_from_name("KP_Subtract"))
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else:
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.ZOOMIN,
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Gdk.keyval_from_name("plus"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.ZOOMOUT,
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Gdk.keyval_from_name("minus"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.UP,
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Gdk.keyval_from_name("Up"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.DOWN,
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Gdk.keyval_from_name("Down"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.LEFT,
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Gdk.keyval_from_name("Left"))
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self.osm.set_keyboard_shortcut(osmgpsmap.MapKey_t.RIGHT,
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Gdk.keyval_from_name("Right"))
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# For shortcuts work, we must grab the focus
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self.osm.grab_focus()
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def add_selection_layer(self):
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"""
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add the selection layer
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"""
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selection_layer = SelectionLayer()
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self.osm.layer_add(selection_layer)
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return selection_layer
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def get_selection_layer(self):
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"""
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get the selection layer
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"""
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return self.selection_layer
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def add_kml_layer(self):
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"""
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add the kml layer to the map
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"""
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kml_layer = KmlLayer()
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self.osm.layer_add(kml_layer)
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return kml_layer
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def get_kml_layer(self):
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"""
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get the kml layer
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"""
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return self.kml_layer
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def add_message_layer(self):
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"""
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add the message layer to the map
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"""
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message_layer = MessageLayer()
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self.osm.layer_add(message_layer)
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return message_layer
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def get_message_layer(self):
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"""
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get the message layer
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"""
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return self.message_layer
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def add_date_layer(self):
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"""
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add the date layer to the map
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"""
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date_layer = DateLayer()
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self.osm.layer_add(date_layer)
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return date_layer
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def get_date_layer(self):
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"""
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get the date layer
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"""
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return self.date_layer
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def add_marker_layer(self):
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"""
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add the marker layer
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"""
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marker_layer = MarkerLayer()
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self.osm.layer_add(marker_layer)
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return marker_layer
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def get_marker_layer(self):
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"""
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get the marker layer
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"""
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return self.marker_layer
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def add_lifeway_layer(self):
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"""
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add the track or life ways layer
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"""
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lifeway_layer = LifeWayLayer()
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self.osm.layer_add(lifeway_layer)
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return lifeway_layer
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def get_lifeway_layer(self):
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"""
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get the track or life ways layer
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"""
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return self.lifeway_layer
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def remove_layer(self, layer):
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"""
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remove the specified layer
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"""
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self.osm.layer_remove(layer)
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def zoom_changed(self, zoom):
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"""
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save the zoom and the position
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"""
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config.set("geography.zoom", self.osm.props.zoom)
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self.save_center(self.osm.props.latitude, self.osm.props.longitude)
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def motion_event(self, osmmap, event):
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"""
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Moving during selection
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"""
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current = osmmap.convert_screen_to_geographic(int(event.x),
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int(event.y))
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lat, lon = current.get_degrees()
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if self.zone_selection:
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# We draw a rectangle to show the selected region.
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layer = self.get_selection_layer()
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if layer:
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self.osm.layer_remove(layer)
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self.selection_layer = self.add_selection_layer()
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if self.end_selection == None:
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self.selection_layer.add_rectangle(self.begin_selection,
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current)
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else:
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self.selection_layer.add_rectangle(self.begin_selection,
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self.end_selection)
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else:
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places = self.is_there_a_place_here(lat, lon)
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mess = ""
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for plc in places:
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if mess != "":
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mess += " || "
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mess += plc[0]
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self.uistate.status.pop(self.context_id)
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self.context_id = self.uistate.status.push(1, mess)
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def save_center(self, lat, lon):
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"""
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Save the longitude and lontitude in case we switch between maps.
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"""
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_LOG.debug("save_center : %s,%s", lat, lon)
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if (-90.0 < lat < +90.0) and (-180.0 < lon < +180.0):
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config.set("geography.center-lat", lat)
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config.set("geography.center-lon", lon)
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else:
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_LOG.debug("save_center : new coordinates : %s,%s", lat, lon)
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_LOG.debug("save_center : old coordinates : %s,%s", lat, lon)
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# osmgpsmap bug ? reset to prior values to avoid osmgpsmap problems.
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self.osm.set_center_and_zoom(config.get("geography.center-lat"),
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config.get("geography.center-lon"),
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config.get("geography.zoom"))
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def activate_selection_zoom(self, osm, event):
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"""
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Zoom when in zone selection
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"""
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if self.end_selection is not None:
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self._autozoom()
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return True
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def map_clicked(self, osm, event):
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"""
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Someone click on the map. Look at if we have a marker.
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mouse button 1 : zone selection or marker selection
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mouse button 2 : begin zone selection
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mouse button 3 : call the menu
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"""
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self.osm.grab_focus()
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lat, lon = self.osm.get_event_location(event).get_degrees()
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current = osm.convert_screen_to_geographic(int(event.x), int(event.y))
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lat, lon = current.get_degrees()
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if event.button == 1 and event.type == Gdk.EventType.BUTTON_PRESS:
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if self.end_selection is not None:
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self.activate_selection_zoom(osm, event)
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self.end_selection = None
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else:
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# do we click on a marker ?
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self.is_there_a_marker_here(event, lat, lon)
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elif event.button == 2 and event.type == Gdk.EventType.BUTTON_PRESS:
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self.begin_selection = current
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self.end_selection = None
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self.zone_selection = True
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elif event.button == 2 and event.type == Gdk.EventType.BUTTON_RELEASE:
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self.end_selection = current
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self.zone_selection = False
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elif event.button == 3 and event.type == Gdk.EventType.BUTTON_PRESS:
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self.build_nav_menu(osm, event, lat, lon)
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else:
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self.save_center(lat, lon)
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def is_there_a_place_here(self, lat, lon):
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"""
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Is there a place at this position ?
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If too many places, this function is very time consuming
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"""
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mark_selected = []
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if self.no_show_places_in_status_bar:
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return mark_selected
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oldplace = ""
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_LOG.debug("%s", time.strftime("start is_there_a_place_here : "
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"%a %d %b %Y %H:%M:%S", time.gmtime()))
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for mark in self.places_found:
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# as we are not precise with our hand, reduce the precision
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# depending on the zoom.
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if mark[0] != oldplace:
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oldplace = mark[0]
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precision = {
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1 : '%3.0f', 2 : '%3.1f', 3 : '%3.1f',
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4 : '%3.1f', 5 : '%3.2f', 6 : '%3.2f',
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7 : '%3.2f', 8 : '%3.3f', 9 : '%3.3f',
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10 : '%3.3f', 11 : '%3.3f', 12 : '%3.3f',
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13 : '%3.3f', 14 : '%3.4f', 15 : '%3.4f',
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16 : '%3.4f', 17 : '%3.4f', 18 : '%3.4f'
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}.get(config.get("geography.zoom"), '%3.1f')
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shift = {
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1 : 5.0, 2 : 5.0, 3 : 3.0,
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4 : 1.0, 5 : 0.5, 6 : 0.3, 7 : 0.15,
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8 : 0.06, 9 : 0.03, 10 : 0.015,
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11 : 0.005, 12 : 0.003, 13 : 0.001,
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14 : 0.0005, 15 : 0.0003, 16 : 0.0001,
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17 : 0.0001, 18 : 0.0001
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}.get(config.get("geography.zoom"), 5.0)
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latp = precision % lat
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lonp = precision % lon
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mlatp = precision % float(mark[1])
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mlonp = precision % float(mark[2])
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latok = lonok = False
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if (float(mlatp) >= (float(latp) - shift)) and \
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(float(mlatp) <= (float(latp) + shift)):
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latok = True
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if (float(mlonp) >= (float(lonp) - shift)) and \
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(float(mlonp) <= (float(lonp) + shift)):
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lonok = True
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if latok and lonok:
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mark_selected.append(mark)
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_LOG.debug("%s", time.strftime(" end is_there_a_place_here : "
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"%a %d %b %Y %H:%M:%S", time.gmtime()))
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return mark_selected
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def build_nav_menu(self, osm, event, lat, lon):
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"""
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Must be implemented in the caller class
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"""
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raise NotImplementedError
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def is_there_a_marker_here(self, event, lat, lon):
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"""
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Must be implemented in the caller class
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"""
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raise NotImplementedError
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def set_crosshair(self, active):
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"""
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Show or hide the crosshair ?
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"""
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if active:
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self.osm.layer_remove(self.cross_map)
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self.cross_map = osmgpsmap.MapOsd(show_crosshair=True)
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self.osm.layer_add(self.cross_map)
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else:
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self.osm.layer_remove(self.cross_map)
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self.cross_map = osmgpsmap.MapOsd(show_crosshair=False)
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self.osm.layer_add(self.cross_map)
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