Files
pyfa/gui/fitCommands/calc/module/projectedRemove.py
2019-08-12 04:08:54 +03:00

60 lines
2.0 KiB
Python

import wx
from logbook import Logger
import eos.db
from gui.fitCommands.helpers import ModuleInfo, restoreCheckedStates
from service.fit import Fit
pyfalog = Logger(__name__)
class CalcRemoveProjectedModuleCommand(wx.Command):
def __init__(self, fitID, position, recalc=True):
wx.Command.__init__(self, True)
self.fitID = fitID
self.position = position
self.recalc = recalc
self.savedModInfo = None
self.savedStateCheckChanges = None
def Do(self):
pyfalog.debug('Doing removal of projected module from position {} on fit {}'.format(self.position, self.fitID))
sFit = Fit.getInstance()
fit = sFit.getFit(self.fitID)
mod = fit.projectedModules[self.position]
self.savedModInfo = ModuleInfo.fromModule(mod)
del fit.projectedModules[self.position]
if self.recalc:
# Need to flush because checkStates sometimes relies on module->fit
# relationship via .owner attribute, which is handled by SQLAlchemy
eos.db.flush()
sFit.recalc(fit)
self.savedStateCheckChanges = sFit.checkStates(fit, None)
return True
def Undo(self):
pyfalog.debug('Undoing removal of projected module {} on fit {}'.format(self.savedModInfo, self.fitID))
from .projectedAdd import CalcAddProjectedModuleCommand
cmd = CalcAddProjectedModuleCommand(
fitID=self.fitID,
modInfo=self.savedModInfo,
position=self.position,
ignoreRestrictions=True,
recalc=False)
if not cmd.Do():
return False
restoreCheckedStates(Fit.getInstance().getFit(self.fitID), self.savedStateCheckChanges)
return True
@property
def needsGuiRecalc(self):
if self.savedStateCheckChanges is None:
return True
for container in self.savedStateCheckChanges:
if len(container) > 0:
return True
return False