def show(items, duration=0):
# set the current parent
parent = exp._current_parent
# See if there is already a swap state
add_swap_state = True
if parent.timeline.events.has_key(parent.cur_event_time):
# see if there is a swap state at that time
states = parent.timeline.events[parent.cur_event_time]
for s in states:
if isinstance(s, SwapState):
# no need to add a swap state
add_swap_state = False
# get the preproc state for that swap
# it will have the same parent
preproc = None
for c in s.parent.children():
if isinstance(c, PreprocState):
preproc = c
break
if preproc is None:
raise AssertionError("Proprocessing state was not found.")
# no need to keep looking
break
if add_swap_state:
# create the preproc and swap with the same serial parent
with Serial():
with PreprocState():
# add the show to it with lag
ShowState(items,
event_time=exp._current_parent.cur_event_time - LAG)
# append swap state
s = SwapState()
exp._add_transition_if_needed(s)
else:
print "Appending to existing swap"
# add the show to existing preproc (found above)
ShowState(items,
parent=preproc,
event_time=preproc.cur_event_time - LAG)
# add a new dummy state in the current flow
s = DummyState()
exp._add_transition_if_needed(s)
# if we have a specified duration, wait and call hide
if duration > 0:
if exp._current_parent.childMode() == QState.ExclusiveStates:
wait(duration)
hide(items)
else:
with Serial():
wait(duration)
hide(items)
return items
def show(items,duration=0):
# set the current parent
parent = exp._current_parent
# See if there is already a swap state
add_swap_state = True
if parent.timeline.events.has_key(parent.cur_event_time):
# see if there is a swap state at that time
states = parent.timeline.events[parent.cur_event_time]
for s in states:
if isinstance(s,SwapState):
# no need to add a swap state
add_swap_state = False
# get the preproc state for that swap
# it will have the same parent
preproc = None
for c in s.parent.children():
if isinstance(c,PreprocState):
preproc = c
break
if preproc is None:
raise AssertionError("Proprocessing state was not found.")
# no need to keep looking
break
if add_swap_state:
# create the preproc and swap with the same serial parent
with Serial():
with PreprocState():
# add the show to it with lag
ShowState(items, event_time=exp._current_parent.cur_event_time-LAG)
# append swap state
s = SwapState()
exp._add_transition_if_needed(s)
else:
print "Appending to existing swap"
# add the show to existing preproc (found above)
ShowState(items, parent=preproc,
event_time=preproc.cur_event_time-LAG)
# add a new dummy state in the current flow
s = DummyState()
exp._add_transition_if_needed(s)
# if we have a specified duration, wait and call hide
if duration > 0:
if exp._current_parent.childMode() == QState.ExclusiveStates:
wait(duration)
hide(items)
else:
with Serial():
wait(duration)
hide(items)
return items
def hide(items):
# set the current parent
parent = exp._current_parent
# See if there is already a swap state
add_swap_state = True
if parent.timeline.events.has_key(parent.cur_event_time):
# see if there is a swap state at that time
states = parent.timeline.events[parent.cur_event_time]
for s in states:
if isinstance(s, SwapState):
# no need to add a swap state
add_swap_state = False
# get the preproc state for that swap
# it will have the same parent
for c in s.parent.children():
if isinstance(c, PreprocState):
preproc = c
break
# no need to keep looking
break
if add_swap_state:
# create the preproc and swap with the same serial parent
with Serial():
with PreprocState():
# add the hide to it
HideState(items,
event_time=exp._current_parent.cur_event_time - LAG)
# append swap state
s = SwapState(parent=exp._current_parent)
exp._add_transition_if_needed(s)
else:
# add the show to existing preproc (found above)
HideState(items,
parent=preproc,
event_time=preproc.cur_event_time - LAG)
# add a new dummy state in the current flow
s = DummyState()
exp._add_transition_if_needed(s)
return items
def hide(items):
# set the current parent
parent = exp._current_parent
# See if there is already a swap state
add_swap_state = True
if parent.timeline.events.has_key(parent.cur_event_time):
# see if there is a swap state at that time
states = parent.timeline.events[parent.cur_event_time]
for s in states:
if isinstance(s,SwapState):
# no need to add a swap state
add_swap_state = False
# get the preproc state for that swap
# it will have the same parent
for c in s.parent.children():
if isinstance(c,PreprocState):
preproc = c
break
# no need to keep looking
break
if add_swap_state:
# create the preproc and swap with the same serial parent
with Serial():
with PreprocState():
# add the hide to it
HideState(items, event_time=exp._current_parent.cur_event_time-LAG)
# append swap state
s = SwapState(parent=exp._current_parent)
exp._add_transition_if_needed(s)
else:
# add the show to existing preproc (found above)
HideState(items, parent=preproc,
event_time=preproc.cur_event_time-LAG)
# add a new dummy state in the current flow
s = DummyState()
exp._add_transition_if_needed(s)
return items