def disjoinCurrentSubGeomToPolygon(self):
"""
Sconnette la sotto-geometria corrente del poligono da modificare creando una nuova entità
"""
layer = self.entity.layer
# la posizione é espressa con una lista (<index ogg. princ> [<index ogg. sec.>])
part = self.currAtSubGeom[0]
ring = self.currAtSubGeom[1] if len(self.currAtSubGeom) == 2 else None
geom = self.entity.getGeometry()
wkbType = geom.wkbType()
if wkbType == QGis.WKBMultiPoint or wkbType == QGis.WKBMultiLineString:
if geom.deletePart(part) == False: # disgrego una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = self.mapToLayerCoordinates(layer, self.currSubGeom)
elif wkbType == QGis.WKBPolygon or wkbType == QGis.WKBMultiPolygon:
if ring is not None: # disgrego un'isola
if geom.deleteRing(
ring + 1, part
) == False: # cancello una isola (Ring 0 is outer ring and can't be deleted)
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([
self.mapToLayerCoordinates(layer,
self.currSubGeom).asPolyline()
])
else: # disgrego una parte
if wkbType == QGis.WKBPolygon:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([
self.mapToLayerCoordinates(layer,
self.currSubGeom).asPolyline()
])
ring = 0
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
# se la parte ha delle isole
while ringGeom is not None:
# aggiungo un'isola
points = ringGeom.asPolyline() # vettore di punti
if newGeom.addRing(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD",
"Invalid object."))
return False
ring = ring + 1
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
if geom.deletePart(part) == False: # cancello una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
else:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
self.plugIn.beginEditCommand("Feature edited", self.entity.layer)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f,
False, False) == False:
self.plugIn.destroyEditCommand()
return False
# Aggiungo nuova feature
newF = QgsFeature(f)
newF.setGeometry(newGeom)
if qad_layer.addFeatureToLayer(self.plugIn, self.entity.layer, newF,
None, False, False) == False:
self.plugIn.destroyEditCommand()
return False
self.plugIn.endEditCommand()
return True
def disjoinCurrentSubGeomToPolygon(self):
"""
Sconnette la sotto-geometria corrente del poligono da modificare creando una nuova entità
"""
layer = self.entity.layer
# la posizione é espressa con una lista (<index ogg. princ> [<index ogg. sec.>])
part = self.currAtSubGeom[0]
ring = self.currAtSubGeom[1] if len(self.currAtSubGeom) == 2 else None
geom = self.entity.getGeometry()
wkbType = geom.wkbType()
if wkbType == QGis.WKBMultiPoint or wkbType == QGis.WKBMultiLineString:
if geom.deletePart(part) == False: # disgrego una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = self.mapToLayerCoordinates(layer, self.currSubGeom)
elif wkbType == QGis.WKBPolygon or wkbType == QGis.WKBMultiPolygon:
if ring is not None: # disgrego un'isola
if geom.deleteRing(ring + 1, part) == False: # cancello una isola (Ring 0 is outer ring and can't be deleted)
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([self.mapToLayerCoordinates(layer, self.currSubGeom).asPolyline()])
else: # disgrego una parte
if wkbType == QGis.WKBPolygon:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([self.mapToLayerCoordinates(layer, self.currSubGeom).asPolyline()])
ring = 0
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
# se la parte ha delle isole
while ringGeom is not None:
# aggiungo un'isola
points = ringGeom.asPolyline() # vettore di punti
if newGeom.addRing(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
ring = ring + 1
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
if geom.deletePart(part) == False: # cancello una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
else:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
self.plugIn.beginEditCommand("Feature edited", self.entity.layer)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
# Aggiungo nuova feature
newF = QgsFeature(f)
newF.setGeometry(newGeom)
if qad_layer.addFeatureToLayer(self.plugIn, self.entity.layer, newF, None, False, False) == False:
self.plugIn.destroyEditCommand()
return False
self.plugIn.endEditCommand()
return True