def btnSort_clicked(self):
'''
transit to a new state and control sort process
states
-1 → 0 → 1
↖ ↙
2
-1 → 0 choose algorithm
0 → 1 sort
1 → 2 cancel
2 → 0 new sort
'''
dprint('FUNCTION: btnSort_clicked')
# ready to start -> running
if self.app_state == 0:
self.sort_button_status(1)
self.thread_update()
globals.RET_FLAG = False
self.sorter.start()
# running -> finished
elif self.app_state == 1:
globals.RET_FLAG = True
self.sort_button_status(2)
# finished -> ready to start
elif self.app_state == 2:
self.scene.clear()
self.columns_setup()
self.sort_button_status(0)
else:
print('app state not found')
sys.exit(1)
def sort_button_status(self, state):
'''
transit to a new state and set labels and button
'''
dprint('FUNCTION: sort_button_status')
dprint('\tstate {} → {}'.format(self.app_state, state))
style = ''
btn_text = ''
if state == 0:
self.ui.spinColAmount.setEnabled(True)
self.ui.spinDelay.setEnabled(True)
self.ui.listAlgorithms.setEnabled(True)
btn_text = 'sort'
style = 'background-color: rgba(255,0,68,255); color: #fff'
elif state == 1:
self.ui.spinColAmount.setEnabled(False)
self.ui.spinDelay.setEnabled(False)
self.ui.listAlgorithms.setEnabled(False)
btn_text = 'cancel'
style = 'background-color: #000; color: #fff'
elif state == 2:
btn_text = 'new sort'
style = 'background-color: rgba(85,0,255,255); color: #fff'
self.app_state = state
self.ui.btnSort.setText(btn_text)
self.ui.btnSort.setStyleSheet(style)
def spinDelay_changed(self):
'''re render the sorter(thread)'''
dprint('FUNCTION: spinDelay_changed')
if self.app_state == 0:
dprint('\tdelay {} → {}'.format(self.sort_delay,
self.ui.spinDelay.value()))
self.sort_delay = self.ui.spinDelay.value()
def spinAmount_changed(self):
'''re render the scene'''
dprint('FUNCTION: spinAmount_changed')
if self.app_state == 0:
dprint('\tamount {} → {}'.format(self.col_amount,
self.ui.spinColAmount.value()))
self.col_amount = self.ui.spinColAmount.value()
self.columns_setup()
def list_clicked(self, item):
dprint('FUNCTION: list_clicked')
dprint('\ttext: {}'.format(item.text()))
dprint('\tapp_state = {}'.format(self.app_state))
# enter ready state when first clicked
if self.app_state == -1:
self.ui.btnSort.setEnabled(True)
self.ui.spinColAmount.setEnabled(True)
self.ui.spinDelay.setEnabled(True)
self.app_state = 0
self.sort_button_status(self.app_state)
# render labSortWith's text
if self.app_state == 0:
text = item.text()
dprint('\talgorithm {} → {}'.format(self.algorithm_key,
self.algorithm_list[text]))
self.algorithm_key = self.algorithm_list[text]
self.ui.labSortWith.setText(text)