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authormike <michael.jmontcalm@gmail.com>2009-10-05 15:42:07 (GMT)
committer mike <michael.jmontcalm@gmail.com>2009-10-05 15:42:07 (GMT)
commitb658de9cf3cb526f8492a54dab19e8238c9edb9b (patch)
tree0a2af006922650d7f4f991514da162cf895db643 /addons/triggereventfilter.py
parent90e26a0f3bacdc2db7f3645af43c6eaf30b500bf (diff)
LP 439980 : Adding missed actions in previous checkins
Diffstat (limited to 'addons/triggereventfilter.py')
-rw-r--r--addons/triggereventfilter.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/addons/triggereventfilter.py b/addons/triggereventfilter.py
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+# Copyright (C) 2009, Tutorius.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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+from sugar.tutorius.filters import *
+from sugar.tutorius.properties import *
+
+class TriggerEventFilter(EventFilter):
+ """
+ This event filter can be triggered by simply calling its do_callback function.
+
+ Used to fake events and see the effect on the FSM.
+ """
+ def __init__(self, next_state):
+ EventFilter.__init__(self, next_state)
+ self.toggle_on_callback = False
+
+ def install_handlers(self, callback, **kwargs):
+ """
+ Forsakes the incoming callback function and just set the inner one.
+ """
+ self._callback = self._inner_cb
+
+ def _inner_cb(self, event_filter):
+ self.toggle_on_callback = not self.toggle_on_callback
+
+__event__ = {
+ 'name' : 'TriggerEventFilter',
+ 'display_name' : 'Triggerable event filter (test only)',
+ 'icon' : '',
+ 'class' : TriggerEventFilter,
+ 'mandatory_props' : ['next_state']
+}