def init_gui(self):
"""
Initialize GUI for this mode
"""
previousCommand = self.commandSequencer.prevMode
if previousCommand.commandName == 'BUILD_DNA':
try:
self.flyoutToolbar = previousCommand.flyoutToolbar
#Need a better way to deal with changing state of the
#corresponding action in the flyout toolbar. To be revised
#during command toolbar cleanup
self.flyoutToolbar.joinStrandsAction.setChecked(True)
except AttributeError:
self.flyoutToolbar = None
if self.propMgr is None:
self.propMgr = JoinStrands_PropertyManager(self)
#@bug BUG: following is a workaround for bug 2494.
#This bug is mitigated as propMgr object no longer gets recreated
#for modes -- niand 2007-08-29
changes.keep_forever(self.propMgr)
self.propMgr.show()
class JoinStrands_Command(BuildAtoms_Command):
"""
Command part for joining two strands.
"""
# class constants
commandName = 'JOIN_STRANDS'
default_mode_status_text = ""
featurename = "Join Strands"
hover_highlighting_enabled = True
GraphicsMode_class = JoinStrands_GraphicsMode
command_can_be_suspended = False
command_should_resume_prevMode = True
command_has_its_own_gui = True
flyoutToolbar = None
def init_gui(self):
"""
Initialize GUI for this mode
"""
previousCommand = self.commandSequencer.prevMode
if previousCommand.commandName == 'BUILD_DNA':
try:
self.flyoutToolbar = previousCommand.flyoutToolbar
#Need a better way to deal with changing state of the
#corresponding action in the flyout toolbar. To be revised
#during command toolbar cleanup
self.flyoutToolbar.joinStrandsAction.setChecked(True)
except AttributeError:
self.flyoutToolbar = None
if self.propMgr is None:
self.propMgr = JoinStrands_PropertyManager(self)
#@bug BUG: following is a workaround for bug 2494.
#This bug is mitigated as propMgr object no longer gets recreated
#for modes -- niand 2007-08-29
changes.keep_forever(self.propMgr)
self.propMgr.show()
def restore_gui(self):
"""
Restore the GUI
"""
if self.propMgr is not None:
self.propMgr.close()
def keep_empty_group(self, group):
"""
Returns True if the empty group should not be automatically deleted.
otherwise returns False. The default implementation always returns
False. Subclasses should override this method if it needs to keep the
empty group for some reasons. Note that this method will only get called
when a group has a class constant autdelete_when_empty set to True.
(and as of 2008-03-06, it is proposed that dna_updater calls this method
when needed.
@see: Command.keep_empty_group() which is overridden here.
"""
bool_keep = BuildAtoms_Command.keep_empty_group(self, group)
if not bool_keep:
#Lets just not delete *ANY* DnaGroup while in JoinStrands_Command
#Reason same as the one explained in
#.. BreakStrands_Command.keep_empty_group()
if isinstance(group, self.assy.DnaGroup):
bool_keep = True
return bool_keep
