Added GPX trace plugin

diff --git a/plugins/55_gpx_trace.py b/plugins/55_gpx_trace.py
new file mode 100644 (file)
index 0000000..1c84c69
--- /dev/null
+++ b/plugins/55_gpx_trace.py
@@ -0,0 +1,52 @@
+# gpx_trace - zavai GPX trace functions
+#
+# Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from gettext import gettext as _
+import gtk
+import zavai
+
+class GPXTracer(gtk.ToggleAction):
+    states = [_("Start GPX trace"), _("Stop GPX trace")]
+
+    def __init__(self, registry, **kw):
+        self.state = 0
+        super(GPXTracer, self).__init__("menu.main.gps.toggle", self.states[self.state], None, None)
+
+        self.registry = registry
+        self.set_active(False)
+
+        self.connect("toggled", self.on_toggle)
+
+    def on_toggle(self, *args):
+        self.state = (self.state + 1) % len(self.states)
+        self.set_property("label", self.states[self.state])
+        if self.get_active():
+            self.start()
+        else:
+            self.stop()
+
+    def start(self):
+        zavai.info("GPX trace started")
+        self.registry.resource("gpx").request(self)
+
+    def stop(self):
+        zavai.info("GPX trace ended")
+        self.registry.resource("gpx").release(self)
+
+def init(conf = None, registry = None, **kw):
+    registry.register(GPXTracer(registry))