def setParamValues(self):
params = self.alg.parameters
outputs = self.alg.outputs
for param in params:
if param.hidden:
continue
if isinstance(param, ParameterExtent):
continue
if not self.setParamValue(param,
self.mainWidget.valueItems[param.name]):
raise AlgorithmDialogBase.InvalidParameterValue(
param, self.mainWidget.valueItems[param.name])
for param in params:
if isinstance(param, ParameterExtent):
if not self.setParamValue(
param, self.mainWidget.valueItems[param.name]):
raise AlgorithmDialogBase.InvalidParameterValue(
param, self.mainWidget.valueItems[param.name])
for output in outputs:
if output.hidden:
continue
output.value = self.mainWidget.valueItems[output.name].getValue()
if isinstance(output, (OutputRaster, OutputVector, OutputTable)):
output.open = self.mainWidget.checkBoxes[
output.name].isChecked()
return True
def getParameterValues(self):
parameters = {}
if self.mainWidget() is None:
return parameters
for param in self.algorithm().parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if not param.isDestination():
wrapper = self.mainWidget().wrappers[param.name()]
value = None
if wrapper.widget:
value = wrapper.value()
parameters[param.name()] = value
if not param.checkValueIsAcceptable(value):
raise AlgorithmDialogBase.InvalidParameterValue(param, wrapper.widget)
else:
dest_project = None
if not param.flags() & QgsProcessingParameterDefinition.FlagHidden and \
isinstance(param, (QgsProcessingParameterRasterDestination,
QgsProcessingParameterFeatureSink,
QgsProcessingParameterVectorDestination)):
if self.mainWidget().checkBoxes[param.name()].isChecked():
dest_project = QgsProject.instance()
value = self.mainWidget().outputWidgets[param.name()].getValue()
if value and isinstance(value, QgsProcessingOutputLayerDefinition):
value.destinationProject = dest_project
if value:
parameters[param.name()] = value
return self.algorithm().preprocessParameters(parameters)
def getParameterValues(self):
parameters = {}
if self.mainWidget() is None:
return parameters
for param in self.algorithm().parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if not param.isDestination():
if self.in_place and param.name() == 'INPUT':
parameters[param.name()] = self.active_layer
continue
try:
wrapper = self.mainWidget().wrappers[param.name()]
except KeyError:
continue
# For compatibility with 3.x API, we need to check whether the wrapper is
# the deprecated WidgetWrapper class. If not, it's the newer
# QgsAbstractProcessingParameterWidgetWrapper class
# TODO QGIS 4.0 - remove
if issubclass(wrapper.__class__, WidgetWrapper):
widget = wrapper.widget
else:
widget = wrapper.wrappedWidget()
if widget is None:
continue
value = wrapper.parameterValue()
parameters[param.name()] = value
if not param.checkValueIsAcceptable(value):
raise AlgorithmDialogBase.InvalidParameterValue(
param, widget)
else:
if self.in_place and param.name() == 'OUTPUT':
parameters[param.name()] = 'memory:'
continue
dest_project = None
if not param.flags() & QgsProcessingParameterDefinition.FlagHidden and \
isinstance(param, (QgsProcessingParameterRasterDestination,
QgsProcessingParameterFeatureSink,
QgsProcessingParameterVectorDestination)):
if self.mainWidget().checkBoxes[param.name()].isChecked():
dest_project = QgsProject.instance()
value = self.mainWidget().outputWidgets[
param.name()].getValue()
if value and isinstance(value,
QgsProcessingOutputLayerDefinition):
value.destinationProject = dest_project
if value:
parameters[param.name()] = value
return self.algorithm().preprocessParameters(parameters)
def createProcessingParameters(self, include_default=True):
parameters = {}
for p, v in self.extra_parameters.items():
parameters[p] = v
for param in self.algorithm().parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if not param.isDestination():
try:
wrapper = self.wrappers[param.name()]
except KeyError:
continue
# For compatibility with 3.x API, we need to check whether the wrapper is
# the deprecated WidgetWrapper class. If not, it's the newer
# QgsAbstractProcessingParameterWidgetWrapper class
# TODO QGIS 4.0 - remove
if issubclass(wrapper.__class__, WidgetWrapper):
widget = wrapper.widget
else:
widget = wrapper.wrappedWidget()
if not isinstance(
wrapper,
QgsProcessingHiddenWidgetWrapper) and widget is None:
continue
value = wrapper.parameterValue()
if param.defaultValue() != value or include_default:
parameters[param.name()] = value
if not param.checkValueIsAcceptable(value):
raise AlgorithmDialogBase.InvalidParameterValue(
param, widget)
else:
if self.in_place and param.name() == 'OUTPUT':
parameters[param.name()] = 'memory:'
continue
try:
wrapper = self.wrappers[param.name()]
except KeyError:
continue
widget = wrapper.wrappedWidget()
value = wrapper.parameterValue()
dest_project = None
if wrapper.customProperties().get('OPEN_AFTER_RUNNING'):
dest_project = QgsProject.instance()
if value and isinstance(value,
QgsProcessingOutputLayerDefinition):
value.destinationProject = dest_project
if value and (param.defaultValue() != value
or include_default):
parameters[param.name()] = value
context = createContext()
ok, error = param.isSupportedOutputValue(value, context)
if not ok:
raise AlgorithmDialogBase.InvalidOutputExtension(
widget, error)
return self.algorithm().preprocessParameters(parameters)
