def remove_mask_filter(layer):
if not isinstance(layer, QgsVectorLayer):
return False
# check if a layer has already a mask filter enabled
if layer.labeling() is None:
return False
settings = layer.labeling().settings()
try:
if settings.dataDefinedProperties().hasProperty(QgsPalLayerSettings.Show) and \
settings.dataDefinedProperties().property(QgsPalLayerSettings.Show).expressionString().startswith(SPATIAL_FILTER):
# new settings
settings = QgsPalLayerSettings(layer.labeling().settings())
settings.dataDefinedProperties().setProperty(QgsPalLayerSettings.Show, True)
if isinstance(layer.labeling(), QgsVectorLayerSimpleLabeling):
layer.setLabeling(QgsVectorLayerSimpleLabeling(settings))
except Exception as e:
for m in e.args:
QgsMessageLog.logMessage(m, 'Extensions')
def add_mask_filter(layer):
if not isinstance(layer, QgsVectorLayer):
return False
# check if a layer has already a mask filter enabled
if layer.labeling() is None:
return False
try:
expr = "%s(%d)" % (SPATIAL_FILTER, layer.crs().postgisSrid())
prop = QgsProperty()
prop.setExpressionString(expr)
# new settings
settings = QgsPalLayerSettings(layer.labeling().settings())
settings.dataDefinedProperties().setProperty(QgsPalLayerSettings.Show, prop)
if isinstance(layer.labeling(), QgsVectorLayerSimpleLabeling):
layer.setLabeling(QgsVectorLayerSimpleLabeling(settings))
except Exception as e:
for m in e.args:
QgsMessageLog.logMessage(m, 'Extensions')
def add_mask_filter(layer):
if not isinstance(layer, QgsVectorLayer):
return False
# check if a layer has already a mask filter enabled
if layer.labeling() is None:
return False
try:
expr = "%s(%d)" % (SPATIAL_FILTER, layer.crs().postgisSrid())
prop = QgsProperty()
prop.setExpressionString(expr)
# new settings
settings = QgsPalLayerSettings(layer.labeling().settings())
settings.dataDefinedProperties().setProperty(QgsPalLayerSettings.Show,
prop)
if isinstance(layer.labeling(), QgsVectorLayerSimpleLabeling):
layer.setLabeling(QgsVectorLayerSimpleLabeling(settings))
except Exception as e:
for m in e.args:
QgsMessageLog.logMessage(m, "Extensions")
def remove_mask_filter(layer):
if not isinstance(layer, QgsVectorLayer):
return False
# check if a layer has already a mask filter enabled
if layer.labeling() is None:
return False
settings = layer.labeling().settings()
try:
if settings.dataDefinedProperties().hasProperty(
QgsPalLayerSettings.Show) and settings.dataDefinedProperties(
).property(QgsPalLayerSettings.Show).expressionString(
).startswith(SPATIAL_FILTER):
# new settings
settings = QgsPalLayerSettings(layer.labeling().settings())
settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Show, True)
if isinstance(layer.labeling(), QgsVectorLayerSimpleLabeling):
layer.setLabeling(QgsVectorLayerSimpleLabeling(settings))
except Exception as e:
for m in e.args:
QgsMessageLog.logMessage(m, "Extensions")
def testCreateProperty(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 labeling property on layer without labels
key = QgsPalLayerSettings.PositionX
index = QgsAuxiliaryLayer.createProperty(key, vl)
self.assertEqual(index, -1)
vl.setLabeling(QgsVectorLayerSimpleLabeling(QgsPalLayerSettings()))
index = QgsAuxiliaryLayer.createProperty(key, vl)
p = QgsPalLayerSettings.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
# with existing property
key = QgsPalLayerSettings.PositionY
settings = QgsPalLayerSettings()
settings.dataDefinedProperties().setProperty(key, QgsProperty.fromExpression('$y + 20'))
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
# without overwriting existing, property should be upgraded to coalesce("aux field", 'existing expression') type
index = QgsAuxiliaryLayer.createProperty(key, vl, False)
p = QgsPalLayerSettings.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.dataDefinedProperties().property(key).asExpression(), 'coalesce("auxiliary_storage_labeling_positiony",$y + 20)')
# with existing but invalid field name
key = QgsPalLayerSettings.PositionY
settings = QgsPalLayerSettings()
settings.dataDefinedProperties().setProperty(key, QgsProperty.fromField(''))
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
# even when asked to not overwrite existing, this is an invalid property and should be overwritten
index = QgsAuxiliaryLayer.createProperty(key, vl, False)
p = QgsPalLayerSettings.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.dataDefinedProperties().property(key).asExpression(), '"auxiliary_storage_labeling_positiony"')
# with existing valid field name
key = QgsPalLayerSettings.PositionY
settings = QgsPalLayerSettings()
settings.dataDefinedProperties().setProperty(key, QgsProperty.fromField('asd'))
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
index = QgsAuxiliaryLayer.createProperty(key, vl, False)
p = QgsPalLayerSettings.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.dataDefinedProperties().property(key).asExpression(), 'coalesce("auxiliary_storage_labeling_positiony","asd")')
# with overwrite existing
key = QgsPalLayerSettings.Show
settings = QgsPalLayerSettings()
settings.dataDefinedProperties().setProperty(key, QgsProperty.fromExpression('$y > 20'))
vl.setLabeling(QgsVectorLayerSimpleLabeling(settings))
# existing property should be discarded
index = QgsAuxiliaryLayer.createProperty(key, vl, True)
p = QgsPalLayerSettings.propertyDefinitions()[key]
afName = QgsAuxiliaryLayer.nameFromProperty(p, True)
afIndex = vl.fields().indexOf(afName)
self.assertEqual(index, afIndex)
settings = vl.labeling().settings()
self.assertTrue(settings.dataDefinedProperties().property(key).isActive())
self.assertEqual(settings.dataDefinedProperties().property(key).field(), 'auxiliary_storage_labeling_show')
def convert_fdo_annotations(dest_layer: QgsVectorLayer, context): # pylint: disable=unused-argument
"""
Converts FDO annotations
"""
# one label class, use simple labeling
label_settings = QgsPalLayerSettings()
label_settings.fieldName = 'TextString'
label_settings.drawLabels = True
label_settings.placement = QgsPalLayerSettings.OverPoint
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Family, QgsProperty.fromField('FontName'))
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Size, QgsProperty.fromField('FontSize'))
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Bold, QgsProperty.fromField('Bold'))
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Italic, QgsProperty.fromField('Italic'))
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.Underline, QgsProperty.fromField('Underline'))
quadrant_property = QgsProperty.fromExpression("""case
when "VerticalAlignment" = 0 then -- top
case
when "HorizontalAlignment" = 0 then 0
when "HorizontalAlignment" = 1 then 1
when "HorizontalAlignment" = 2 then 2
end
when "VerticalAlignment" = 1 then -- center
case
when "HorizontalAlignment" = 0 then 3
when "HorizontalAlignment" = 1 then 4
when "HorizontalAlignment" = 2 then 5
end
when "VerticalAlignment" in (2,3) then -- baseline, bottom
case
when "HorizontalAlignment" = 0 then 6
when "HorizontalAlignment" = 1 then 7
when "HorizontalAlignment" = 2 then 8
end
end""")
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.OffsetQuad, quadrant_property)
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.LabelRotation,
QgsProperty.fromExpression('360-"Angle"'))
label_settings.dataDefinedProperties().setProperty(
QgsPalLayerSettings.OffsetXY,
QgsProperty.fromExpression(
' concat( "XOffset" ,\',\', "YOffset" )'))
labeling = QgsVectorLayerSimpleLabeling(label_settings)
dest_layer.setLabeling(labeling)
