def works_field_matching(self):
self.matchingfrom.clear()
self.matchingto.clear()
if self.needsmatching.isChecked():
self.matchingfrom.setVisible(True)
self.matchingto.setVisible(True)
self.lblmatchfrom.setVisible(True)
self.lblmatchto.setVisible(True)
if self.fromlayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.fromlayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.matchingfrom.addItem(field.name())
if self.tolayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.tolayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.matchingto.addItem(field.name())
else:
self.matchingfrom.setVisible(False)
self.matchingto.setVisible(False)
self.lblmatchfrom.setVisible(False)
self.lblmatchto.setVisible(False)
def reload_fields(self, box):
if box == 'from':
self.fromfield.clear()
if self.fromlayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.fromlayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.fromfield.addItem(field.name())
else:
self.tofield.clear()
if self.tolayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.tolayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.tofield.addItem(field.name())
def reload_fields_matching(self):
self.matches_types()
if self.tolayer.currentIndex() >= 0:
self.matchingto.clear()
layer = get_vector_layer_by_name(self.tolayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.matchingto.addItem(field.name())
def matches_types(self):
self.fromtype = None
self.frommatchingtype = None
if self.fromlayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.fromlayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
if self.fromfield.currentText() == field.name():
self.fromtype = field.type()
if self.needsmatching.isChecked():
if self.fromlayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.fromlayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
if self.matchingfrom.currentText() == field.name():
self.frommatchingtype = field.type()
def set_to_fields(self):
self.tofield.clear()
if self.tolayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.tolayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.tofield.addItem(field.name())
if self.needsmatching.isChecked():
self.works_field_matching()
def run(self):
error = None
if self.fromlayer.currentIndex() < 0 or self.fromfield.currentIndex() < 0 or \
self.tolayer.currentIndex() < 0 or self.tofield.currentIndex() < 0:
error = "ComboBox with ilegal value"
flayer = self.fromlayer.currentText()
ffield = self.fromfield.currentText()
tlayer = self.tolayer.currentText()
tfield = self.tofield.currentText()
layer1 = get_vector_layer_by_name(
self.fromlayer.currentText()).wkbType()
layer2 = get_vector_layer_by_name(self.tolayer.currentText()).wkbType()
if layer1 in point_types and layer2 in point_types:
error = 'It is not sensible to have two point layers for this analysis'
if error is None:
self.worker_thread = \
LeastCommonDenominatorProcedure(qgis.utils.iface.mainWindow(), flayer, tlayer, ffield, tfield)
self.run_thread()
else:
qgis.utils.iface.messageBar().pushMessage(
"Input data not provided correctly. ", error, level=3)
def set_from_fields(self):
self.fromfield.clear()
if self.fromlayer.currentIndex() >= 0:
layer = get_vector_layer_by_name(self.fromlayer.currentText(
)) # If we have the right layer in hands
for field in layer.pendingFields().toList():
self.fromfield.addItem(field.name())
self.enclosed.setEnabled(True)
if layer.wkbType() not in poly_types:
self.enclosed.setEnabled(False)
if self.enclosed.isChecked:
self.touching.setChecked(True)
if self.needsmatching.isChecked():
self.works_field_matching()
self.matches_types()