Files
pyfa/gui/fitCommands/calc/module/localRemove.py

95 lines
3.3 KiB
Python

import wx
from logbook import Logger
import eos.db
from eos.const import FittingSlot
from gui.fitCommands.helpers import ModuleInfo, restoreCheckedStates, restoreRemovedDummies
from service.fit import Fit
pyfalog = Logger(__name__)
class CalcRemoveLocalModulesCommand(wx.Command):
def __init__(self, fitID, positions, recalc=True, clearTail=False):
wx.Command.__init__(self, True, 'Remove Module')
self.fitID = fitID
self.positions = positions
self.recalc = recalc
self.clearTail = clearTail
self.savedSubInfos = None
self.savedModInfos = None
self.savedStateCheckChanges = None
self.savedTail = None
def Do(self):
pyfalog.debug('Doing removal of local modules from positions {} on fit {}'.format(self.positions, self.fitID))
sFit = Fit.getInstance()
fit = sFit.getFit(self.fitID)
self.savedSubInfos = {}
self.savedModInfos = {}
for position in self.positions:
mod = fit.modules[position]
if not mod.isEmpty:
if mod.slot == FittingSlot.SUBSYSTEM:
self.savedSubInfos[position] = ModuleInfo.fromModule(mod)
else:
self.savedModInfos[position] = ModuleInfo.fromModule(mod)
fit.modules.free(position)
if len(self.savedSubInfos) == 0 and len(self.savedModInfos) == 0:
return False
if self.clearTail:
self.savedTail = fit.clearTail()
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 local modules {} on fit {}'.format(self.savedModInfos, self.fitID))
sFit = Fit.getInstance()
fit = sFit.getFit(self.fitID)
results = []
from .localReplace import CalcReplaceLocalModuleCommand
# Restore subsystems 1st
if len(self.savedSubInfos) > 0:
for position, modInfo in self.savedSubInfos.items():
cmd = CalcReplaceLocalModuleCommand(
fitID=self.fitID,
position=position,
newModInfo=modInfo,
ignoreRestrictions=True,
recalc=False)
results.append(cmd.Do())
sFit.recalc(fit)
for position, modInfo in self.savedModInfos.items():
cmd = CalcReplaceLocalModuleCommand(
fitID=self.fitID,
position=position,
newModInfo=modInfo,
ignoreRestrictions=True,
recalc=False)
results.append(cmd.Do())
if not any(results):
return False
restoreCheckedStates(fit, self.savedStateCheckChanges)
restoreRemovedDummies(fit, self.savedTail)
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