Hi all,
I'm developing a plugin and I need to check if some features of the input
vector layer are selected or not. If not I'd like to show an error message
without closing the plugin gui:
This is the code at the moment:
if self.dlg.checkBox.isChecked():
check_sel = selectedLayer2.selectedFeatureCount()
if check_sel > 0:
intersec_layer =
QgsProcessingFeatureSourceDefinition(selectedLayer2.id(), True)
else:
self.iface.messageBar().pushCritical("Error", "No
features selected in layer {}.".format(selectedLayer2.name()))
return
Any idea?
Thanks
Roberta
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