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This commit is contained in:
Joe Shochet 2001-03-29 21:36:56 +00:00
parent 092fe773c2
commit 47d099866b
2 changed files with 18 additions and 4 deletions
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18
direct/src/fsm/FSM.py
View File

@ -31,6 +31,8 @@ class FSM(DirectObject):
self.setInitialState(initialStateName)
self.setFinalState(finalStateName)
# Flag to see if we are inspecting
self.inspecting = 0
# Enter the initial state.
# It is assumed that the initial state takes no arguments.
@ -124,8 +126,12 @@ class FSM(DirectObject):
FSM.notify.debug("[%s]: exiting %s" % (self.__name,
self.__currentState.getName()))
self.__currentState.exit(argList)
messenger.send(self.getName() + '_' +
self.__currentState.getName() + '_exited')
# Only send the state change event if we are inspecting it
# If this event turns out to be generally useful, we can
# turn it on all the time, but for now nobody else is using it
if self.inspecting:
messenger.send(self.getName() + '_' +
self.__currentState.getName() + '_exited')
self.__currentState = None
def __enter(self, aState, argList=[]):
@ -135,8 +141,12 @@ class FSM(DirectObject):
FSM.notify.debug("[%s]: entering %s" % (self.__name,
aState.getName()))
self.__currentState = aState
messenger.send(self.getName() + '_' +
aState.getName() + '_entered')
# Only send the state change event if we are inspecting it
# If this event turns out to be generally useful, we can
# turn it on all the time, but for now nobody else is using it
if self.inspecting:
messenger.send(self.getName() + '_' +
aState.getName() + '_entered')
aState.enter(argList)
else:
FSM.notify.error("[%s]: enter: no such state" % self.__name)

4
direct/src/tkpanels/FSMInspector.py
View File

@ -26,6 +26,9 @@ class FSMInspector(AppShell):
self.defineoptions(kw, optiondefs)
self.fsm = fsm
# Tell the fsm we are inspecting it so it will send events
# when it changes state
self.fsm.inspecting = 1
AppShell.__init__(self)
@ -281,6 +284,7 @@ class FSMInspector(AppShell):
def onDestroy(self, event):
""" Called on FSM Panel shutdown """
self.fsm.inspecting = 0
for si in self.stateInspectorDict.values():
self.ignore(self.name + '_' + si.getName() + '_entered')
self.ignore(self.name + '_' + si.getName() + '_exited')