def enable(self):
'''Enables/disables the corresponding button.'''
DtSingleButton.enable(self) # call parent's method
if self.act.isEnabled():
layer = self.iface.activeLayer()
try:
layer.selectionChanged.disconnect(self.enable) # disconnect, will be reconnected
except:
pass
doEnable = layer.selectedFeatureCount() > 1
self.act.setEnabled(doEnable)
layer.selectionChanged.connect(self.enable)
def enable(self):
'''Enables/disables the corresponding button.'''
DtSingleButton.enable(self) # call parent's method
if self.act.isEnabled():
layer = self.iface.activeLayer()
try:
layer.selectionChanged.disconnect(
self.enable) # disconnect, will be reconnected
except:
pass
doEnable = layer.selectedFeatureCount() == 2
self.act.setEnabled(doEnable)
layer.selectionChanged.connect(self.enable)
