def setup(self, idx):
simplify_mask, simplify_label, mask_method = self.params[idx]
self.parent.parameters.do_simplify = simplify_mask
self.parent.parameters.simplify_tolerance = 1.0
m = self.layer.simplifyMethod()
m.setSimplifyHints(
QgsVectorSimplifyMethod.SimplifyHints(
1 if simplify_label else 0))
self.layer.setSimplifyMethod(m)
self.parent.mask_method = mask_method
def apply(self):
# get data before closing
self.update_parameters_from_ui(self.parameters)
# update labeling from parameters
self.ui.layer_list.update_labeling_from_list()
if self.parameters.polygon_mask_method == 0:
# test if some limited layers have simplification turned on
limited = self.ui.layer_list.get_limited_layers()
slayers = []
for name, layer in QgsProject.instance().mapLayers().items():
if not isinstance(layer, QgsVectorLayer):
continue
if (
layer.id() in limited
and int(layer.simplifyMethod().simplifyHints()) > 0
):
# simplification is enabled
slayers.append(layer)
if len(slayers) > 0:
r = QMessageBox.question(
None,
self.tr("Warning"),
self.tr(
"Some layer have rendering simplification turned on, \
which is not compatible with the labeling filtering you choose. \
Force simplification disabling ?"
),
buttons=QMessageBox.Yes | QMessageBox.No,
)
if r == QMessageBox.Yes:
for l in slayers:
m = layer.simplifyMethod()
m.setSimplifyHints(QgsVectorSimplifyMethod.SimplifyHints(0))
layer.setSimplifyMethod(m)