def load_gpx_from_file(self, uri):
"""Parse GPX data, drawing each GPS track segment on the map."""
start_time = clock()
open_file = KMLFile if uri[-3:].lower() == 'kml' else GPXFile
gpx = open_file(uri, self.progressbar)
# Emitting this signal ensures the new tracks get the correct color.
get_obj('colorselection').emit('color-changed')
self.status_message(
_('%d points loaded in %.2fs.') %
(len(gpx.tracks), clock() - start_time), True)
if len(gpx.tracks) < 2:
return
points.update(gpx.tracks)
metadata.alpha = min(metadata.alpha, gpx.alpha)
metadata.omega = max(metadata.omega, gpx.omega)
map_view.emit('realize')
map_view.set_zoom_level(map_view.get_max_zoom_level())
bounds = Champlain.BoundingBox.new()
for poly in polygons:
bounds.compose(poly.get_bounding_box())
gpx.latitude, gpx.longitude = bounds.get_center()
map_view.ensure_visible(bounds, False)
self.prefs.gpx_timezone = gpx.lookup_geoname()
self.prefs.set_timezone()
gpx_sensitivity()
def load_gpx_from_file(self, uri):
"""Parse GPX data, drawing each GPS track segment on the map."""
start_time = clock()
open_file = KMLFile if uri[-3:].lower() == 'kml' else GPXFile
gpx = open_file(uri, self.progressbar)
# Emitting this signal ensures the new tracks get the correct color.
get_obj('colorselection').emit('color-changed')
self.status_message(_('%d points loaded in %.2fs.') %
(len(gpx.tracks), clock() - start_time), True)
if len(gpx.tracks) < 2:
return
points.update(gpx.tracks)
metadata.alpha = min(metadata.alpha, gpx.alpha)
metadata.omega = max(metadata.omega, gpx.omega)
map_view.emit('realize')
map_view.set_zoom_level(map_view.get_max_zoom_level())
bounds = Champlain.BoundingBox.new()
for poly in polygons:
bounds.compose(poly.get_bounding_box())
gpx.latitude, gpx.longitude = bounds.get_center()
map_view.ensure_visible(bounds, False)
self.prefs.gpx_timezone = gpx.lookup_geoname()
self.prefs.set_timezone()
gpx_sensitivity()
def destroy(self, button=None):
"""Die a horrible death."""
for polygon in self.polygons:
MapView.remove_layer(polygon)
self.polygons.clear()
self.widgets.trackfile_settings.destroy()
del self.cache[self.filename]
TrackFile.instances.discard(self)
points.clear()
for trackfile in TrackFile.instances:
points.update(trackfile.tracks)
TrackFile.update_range()
def __init__(self, filename, root, watch):
self.watchlist = watch
self.filename = filename
self.progress = Widgets.progressbar
self.polygons = set()
self.widgets = Builder('trackfile')
self.append = None
self.tracks = {}
self.clock = clock()
self.gst = GSettings('trackfile', basename(filename))
if self.gst.get_string('start-timezone') is '':
# Then this is the first time this file has been loaded
# and we should honor the user-selected global default
# track color instead of using the schema-defined default
self.gst.set_value('track-color', Gst.get_value('track-color'))
self.gst.bind_with_convert(
'track-color',
self.widgets.colorpicker,
'color',
lambda x: Gdk.Color(*x),
lambda x: (x.red, x.green, x.blue))
self.widgets.trackfile_label.set_text(basename(filename))
self.widgets.unload.connect('clicked', self.destroy)
self.widgets.colorpicker.set_title(basename(filename))
self.widgets.colorpicker.connect('color-set',
track_color_changed,
self.polygons)
Widgets.trackfile_unloads_group.add_widget(self.widgets.unload)
Widgets.trackfile_colors_group.add_widget(self.widgets.colorpicker)
Widgets.trackfiles_group.add_widget(self.widgets.trackfile_label)
self.parse(filename, root, watch, self.element_start, self.element_end)
if not self.tracks:
raise IOError('No points found')
points.update(self.tracks)
keys = self.tracks.keys()
self.alpha = min(keys)
self.omega = max(keys)
self.start = Coordinates(latitude = self.tracks[self.alpha].lat,
longitude = self.tracks[self.alpha].lon)
self.gst.set_string('start-timezone', self.start.lookup_geodata())
Widgets.trackfiles_view.add(self.widgets.trackfile_settings)
def __init__(self, filename, root, watch):
self.filename = filename
self.progress = get_obj('progressbar')
self.clock = clock()
self.append = None
self.tracks = {}
self.polygons = set()
self.parser = XMLSimpleParser(root, watch)
self.parser.parse(filename, self.element_start, self.element_end)
empty_trackfile_label.hide()
points.update(self.tracks)
keys = self.tracks.keys()
self.alpha = min(keys)
self.omega = max(keys)
self.latitude = self.tracks[self.alpha].lat
self.longitude = self.tracks[self.alpha].lon
# TODO find some kind of parent widget that can group these together
# to make it easier to get them and insert them into places.
builder = Builder('trackfile')
self.colorpicker = builder.get_object('colorpicker')
self.trash = builder.get_object('unload')
self.label = builder.get_object('trackfile_label')
self.label.set_text(basename(filename))
self.colorpicker.set_title(basename(filename))
self.colorpicker.connect('color-set', track_color_changed, self.polygons)
self.trash.connect('clicked', self.destroy)
get_obj('trackfiles_view').attach_next_to(
builder.get_object('trackfile_settings'), None, BOTTOM, 1, 1)
self.gst = GSettings('trackfile', basename(filename))
if self.gst.get_string('start-timezone') is '':
# Then this is the first time this file has been loaded
# and we should honor the user-selected global default
# track color instead of using the schema-defined default
self.gst.set_value('track-color', gst.get_value('track-color'))
self.gst.set_string('start-timezone', self.lookup_geoname())
self.gst.bind_with_convert('track-color', self.colorpicker, 'color',
lambda x: Gdk.Color(*x), lambda x: (x.red, x.green, x.blue))
self.colorpicker.emit('color-set')
