def testCreateCalloutProperty(self):
s = QgsAuxiliaryStorage()
self.assertTrue(s.isValid())
# Create a new auxiliary layer with 'pk' as key
vl = createLayer()
pkf = vl.fields().field(vl.fields().indexOf('pk'))
al = s.createAuxiliaryLayer(pkf, vl)
self.assertTrue(al.isValid())
vl.setAuxiliaryLayer(al)
# Create a new callout property on layer without labels
key = QgsCallout.DestinationX
index = QgsAuxiliaryLayer.createProperty(key, vl)
self.assertEqual(index, -1)
# Labeling, but no callouts
settings = QgsPalLayerSettings()
settings.setCallout(None)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
index = QgsAuxiliaryLayer.createProperty(key, vl)
self.assertEqual(index, -1)
# callouts
settings = QgsPalLayerSettings()
callout = QgsSimpleLineCallout()
callout.setEnabled(True)
settings.setCallout(callout)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
index = QgsAuxiliaryLayer.createProperty(key, vl)
p = QgsCallout.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertEqual(
settings.callout().dataDefinedProperties().property(key),
QgsProperty.fromField('auxiliary_storage_callouts_destinationx'))
key2 = QgsCallout.DestinationY
index = QgsAuxiliaryLayer.createProperty(key2, vl)
p = QgsCallout.propertyDefinitions()[key2]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertEqual(
settings.callout().dataDefinedProperties().property(key),
QgsProperty.fromField('auxiliary_storage_callouts_destinationx'))
self.assertEqual(
settings.callout().dataDefinedProperties().property(key2),
QgsProperty.fromField('auxiliary_storage_callouts_destinationy'))
def testCreateCalloutProperty(self):
s = QgsAuxiliaryStorage()
self.assertTrue(s.isValid())
# Create a new auxiliary layer with 'pk' as key
vl = createLayer()
pkf = vl.fields().field(vl.fields().indexOf('pk'))
al = s.createAuxiliaryLayer(pkf, vl)
self.assertTrue(al.isValid())
vl.setAuxiliaryLayer(al)
# Create a new callout property on layer without labels
key = QgsCallout.DestinationX
index = QgsAuxiliaryLayer.createProperty(key, vl)
self.assertEqual(index, -1)
# Labeling, but no callouts
settings = QgsPalLayerSettings()
settings.setCallout(None)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
index = QgsAuxiliaryLayer.createProperty(key, vl)
self.assertEqual(index, -1)
# callouts
settings = QgsPalLayerSettings()
callout = QgsSimpleLineCallout()
callout.setEnabled(True)
settings.setCallout(callout)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
index = QgsAuxiliaryLayer.createProperty(key, vl)
p = QgsCallout.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertEqual(settings.callout().dataDefinedProperties().property(key), QgsProperty.fromField('auxiliary_storage_callouts_destinationx'))
key2 = QgsCallout.DestinationY
index = QgsAuxiliaryLayer.createProperty(key2, vl)
p = QgsCallout.propertyDefinitions()[key2]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertEqual(settings.callout().dataDefinedProperties().property(key),
QgsProperty.fromField('auxiliary_storage_callouts_destinationx'))
self.assertEqual(settings.callout().dataDefinedProperties().property(key2),
QgsProperty.fromField('auxiliary_storage_callouts_destinationy'))
# with existing property
key = QgsCallout.OriginX
settings = QgsPalLayerSettings()
callout = QgsSimpleLineCallout()
callout.dataDefinedProperties().setProperty(key, QgsProperty.fromExpression('$x + 20'))
callout.setEnabled(True)
settings.setCallout(callout)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
# without overwriting existing, property should be upgraded to coalesce("aux field", 'existing expression') type
index = QgsAuxiliaryLayer.createProperty(key, vl, False)
p = QgsCallout.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.callout().dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.callout().dataDefinedProperties().property(key).asExpression(), 'coalesce("auxiliary_storage_callouts_originx",$x + 20)')
# with overwrite existing
key = QgsCallout.OriginY
callout = QgsSimpleLineCallout()
callout.dataDefinedProperties().setProperty(key, QgsProperty.fromExpression('$y + 20'))
settings.setCallout(callout)
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
# existing property should be discarded
index = QgsAuxiliaryLayer.createProperty(key, vl, True)
p = QgsCallout.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.callout().dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.callout().dataDefinedProperties().property(key).field(), 'auxiliary_storage_callouts_originy')