def initWidgets(self):
# If there are advanced parameters — show corresponding groupbox
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.grpAdvanced.show()
break
widget_context = QgsProcessingParameterWidgetContext()
widget_context.setProject(QgsProject.instance())
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
widget_context.setBrowserModel(iface.browserModel())
widget_context.setMessageBar(self.parent.messageBar())
if isinstance(self.alg, QgsProcessingModelAlgorithm):
widget_context.setModel(self.alg)
# Create widgets and put them in layouts
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if param.isDestination():
continue
else:
wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent)
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
self.wrappers[param.name()] = wrapper
# 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
is_python_wrapper = issubclass(wrapper.__class__, WidgetWrapper)
if not is_python_wrapper:
widget = wrapper.createWrappedWidget(self.processing_context)
else:
widget = wrapper.widget
if self.in_place and param.name() in ('INPUT', 'OUTPUT'):
# don't show the input/output parameter widgets in in-place mode
# we still need to CREATE them, because other wrappers may need to interact
# with them (e.g. those parameters which need the input layer for field
# selections/crs properties/etc)
continue
if widget is not None:
if is_python_wrapper:
widget.setToolTip(param.toolTip())
if isinstance(param, QgsProcessingParameterFeatureSource):
layout = QHBoxLayout()
layout.setSpacing(6)
layout.setMargin(0)
layout.addWidget(widget)
button = QToolButton()
icon = QIcon(os.path.join(pluginPath, 'images', 'iterate.png'))
button.setIcon(icon)
button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
button.setToolTip(self.tr('Iterate over this layer, creating a separate output for every feature in the layer'))
button.setCheckable(True)
layout.addWidget(button)
layout.setAlignment(button, Qt.AlignTop)
self.iterateButtons[param.name()] = button
button.toggled.connect(self.buttonToggled)
widget = QWidget()
widget.setLayout(layout)
label = None
if not is_python_wrapper:
label = wrapper.createWrappedLabel()
else:
label = wrapper.label
if label is not None:
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.layoutAdvanced.addWidget(label)
else:
self.layoutMain.insertWidget(
self.layoutMain.count() - 2, label)
elif is_python_wrapper:
desc = param.description()
if isinstance(param, QgsProcessingParameterExtent):
desc += self.tr(' (xmin, xmax, ymin, ymax)')
if isinstance(param, QgsProcessingParameterPoint):
desc += self.tr(' (x, y)')
if param.flags() & QgsProcessingParameterDefinition.FlagOptional:
desc += self.tr(' [optional]')
widget.setText(desc)
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.layoutAdvanced.addWidget(widget)
else:
self.layoutMain.insertWidget(
self.layoutMain.count() - 2, widget)
for output in self.alg.destinationParameterDefinitions():
if output.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if self.in_place and param.name() in ('INPUT', 'OUTPUT'):
continue
label = QLabel(output.description())
widget = QgsProcessingLayerOutputDestinationWidget(output, False)
widget.setWidgetContext(widget_context)
self.layoutMain.insertWidget(self.layoutMain.count() - 1, label)
self.layoutMain.insertWidget(self.layoutMain.count() - 1, widget)
if isinstance(output, (QgsProcessingParameterRasterDestination, QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)):
check = QCheckBox()
check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file after running algorithm'))
def skipOutputChanged(widget, checkbox, skipped):
enabled = not skipped
# Do not try to open formats that are write-only.
value = widget.value()
if value and isinstance(value, QgsProcessingOutputLayerDefinition) and isinstance(output, (
QgsProcessingParameterFeatureSink, QgsProcessingParameterVectorDestination)):
filename = value.sink.staticValue()
if filename not in ('memory:', ''):
path, ext = os.path.splitext(filename)
format = QgsVectorFileWriter.driverForExtension(ext)
drv = gdal.GetDriverByName(format)
if drv:
if drv.GetMetadataItem(gdal.DCAP_OPEN) is None:
enabled = False
checkbox.setEnabled(enabled)
checkbox.setChecked(enabled)
check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(partial(skipOutputChanged, widget, check))
self.layoutMain.insertWidget(self.layoutMain.count() - 1, check)
self.checkBoxes[output.name()] = check
widget.setToolTip(param.toolTip())
self.outputWidgets[output.name()] = widget
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
class ModelerParameterDefinitionDialog(QDialog):
@staticmethod
def use_legacy_dialog(param=None, paramType=None):
if paramType in (parameters.PARAMETER_TABLE_FIELD,
parameters.PARAMETER_BAND,
parameters.PARAMETER_VECTOR,
parameters.PARAMETER_TABLE,
parameters.PARAMETER_MULTIPLE,
parameters.PARAMETER_NUMBER,
parameters.PARAMETER_DISTANCE,
parameters.PARAMETER_SCALE,
parameters.PARAMETER_ENUM,
parameters.PARAMETER_MATRIX,
parameters.PARAMETER_MAP_LAYER):
return True
elif isinstance(param, (QgsProcessingParameterField,
QgsProcessingParameterBand,
QgsProcessingParameterFeatureSource,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterMultipleLayers,
QgsProcessingParameterNumber,
QgsProcessingParameterDistance,
QgsProcessingParameterScale,
QgsProcessingParameterEnum,
QgsProcessingParameterMatrix,
QgsProcessingParameterMapLayer,
QgsProcessingDestinationParameter)):
return True
# yay, use new API!
return False
def __init__(self, alg, paramType=None, param=None):
self.alg = alg
self.paramType = paramType
self.param = param
QDialog.__init__(self)
self.setModal(True)
self.setupUi()
settings = QgsSettings()
self.restoreGeometry(settings.value("/Processing/modelParametersDefinitionDialogGeometry", QByteArray()))
def closeEvent(self, event):
settings = QgsSettings()
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
super(ModelerParameterDefinitionDialog, self).closeEvent(event)
def switchToCommentTab(self):
self.tab.setCurrentIndex(1)
self.commentEdit.setFocus()
self.commentEdit.selectAll()
def setupUi(self):
type_metadata = QgsApplication.processingRegistry().parameterType(self.param.type() if self.param else self.paramType)
self.setWindowTitle(self.tr('{} Parameter Definition').format(type_metadata.name()))
self.mainLayout = QVBoxLayout()
self.tab = QTabWidget()
self.mainLayout.addWidget(self.tab)
self.setMinimumWidth(300)
self.verticalLayout = QVBoxLayout()
self.label = QLabel(self.tr('Parameter name'))
self.verticalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.verticalLayout.addWidget(self.nameTextBox)
if isinstance(self.param, QgsProcessingParameterDefinition):
self.nameTextBox.setText(self.param.description())
if self.paramType == parameters.PARAMETER_TABLE_FIELD or \
isinstance(self.param, QgsProcessingParameterField):
self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentLayerParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
# add the datatype selector
self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any'), -1)
self.datatypeCombo.addItem(self.tr('Number'), 0)
self.datatypeCombo.addItem(self.tr('String'), 1)
self.datatypeCombo.addItem(self.tr('Date/time'), 2)
self.verticalLayout.addWidget(self.datatypeCombo)
if self.param is not None and self.param.dataType() is not None:
# QComboBoxes indexes start at 0,
# self.param.datatype start with -1 that is why I need to do +1
datatypeIndex = self.param.dataType() + 1
self.datatypeCombo.setCurrentIndex(datatypeIndex)
self.multipleCheck = QCheckBox()
self.multipleCheck.setText(self.tr('Accept multiple fields'))
self.multipleCheck.setChecked(False)
if self.param is not None:
self.multipleCheck.setChecked(self.param.allowMultiple())
self.verticalLayout.addWidget(self.multipleCheck)
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setToolTip(
self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
if self.param is not None:
default = self.param.defaultValue()
if default is not None:
self.defaultTextBox.setText(str(default))
self.verticalLayout.addWidget(self.defaultTextBox)
elif self.paramType == parameters.PARAMETER_BAND or \
isinstance(self.param, QgsProcessingParameterBand):
self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterRasterLayer)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentLayerParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
elif (self.paramType in (
parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE) or
isinstance(self.param, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer))):
self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Geometry Not Required'), QgsProcessing.TypeVector)
self.shapetypeCombo.addItem(self.tr('Point'), QgsProcessing.TypeVectorPoint)
self.shapetypeCombo.addItem(self.tr('Line'), QgsProcessing.TypeVectorLine)
self.shapetypeCombo.addItem(self.tr('Polygon'), QgsProcessing.TypeVectorPolygon)
self.shapetypeCombo.addItem(self.tr('Any Geometry Type'), QgsProcessing.TypeVectorAnyGeometry)
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.shapetypeCombo.findData(self.param.dataTypes()[0]))
self.verticalLayout.addWidget(self.shapetypeCombo)
elif (self.paramType == parameters.PARAMETER_MULTIPLE
or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
self.datatypeCombo.addItem(self.tr('Vector (No Geometry Required)'), QgsProcessing.TypeVector)
self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
self.verticalLayout.addWidget(self.datatypeCombo)
elif (self.paramType == parameters.PARAMETER_MAP_LAYER or
isinstance(self.param, QgsProcessingParameterMapLayer)):
self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
self.datatypeCombo.addItem(self.tr('Mesh'), QgsProcessing.TypeMesh)
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.dataTypes()[0]))
self.verticalLayout.addWidget(self.datatypeCombo)
elif (self.paramType in (parameters.PARAMETER_NUMBER, parameters.PARAMETER_DISTANCE, parameters.PARAMETER_SCALE)
or isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance, QgsProcessingParameterScale))):
if (self.paramType == parameters.PARAMETER_DISTANCE
or isinstance(self.param, QgsProcessingParameterDistance)):
self.verticalLayout.addWidget(QLabel(self.tr('Linked input')))
self.parentCombo = QComboBox()
self.parentCombo.addItem('', '')
idx = 1
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterFeatureSource,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterMapLayer,
QgsProcessingParameterCrs)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
elif (self.paramType != parameters.PARAMETER_SCALE and not
isinstance(self.param, QgsProcessingParameterScale)):
self.verticalLayout.addWidget(QLabel(self.tr('Number type')))
self.type_combo = QComboBox()
self.type_combo.addItem(self.tr('Float'), QgsProcessingParameterNumber.Double)
self.type_combo.addItem(self.tr('Integer'), QgsProcessingParameterNumber.Integer)
if self.param:
self.type_combo.setCurrentIndex(self.type_combo.findData(self.param.dataType()))
self.verticalLayout.addWidget(self.type_combo)
if (self.paramType != parameters.PARAMETER_SCALE and not
isinstance(self.param, QgsProcessingParameterScale)):
self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
self.minTextBox = QLineEdit()
self.verticalLayout.addWidget(self.minTextBox)
self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
self.maxTextBox = QLineEdit()
self.verticalLayout.addWidget(self.maxTextBox)
if self.param is not None:
self.minTextBox.setText(str(self.param.minimum()))
self.maxTextBox.setText(str(self.param.maximum()))
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.defaultValue()
if self.param.dataType() == QgsProcessingParameterNumber.Integer:
default = int(math.floor(float(default)))
if default:
self.defaultTextBox.setText(str(default))
self.verticalLayout.addWidget(self.defaultTextBox)
elif self.paramType == parameters.PARAMETER_ENUM or \
isinstance(self.param, QgsProcessingParameterEnum):
self.widget = EnumModelerWidget(self)
if self.param is not None:
self.widget.setAllowMultiple(bool(self.param.allowMultiple()))
self.widget.setOptions(self.param.options())
self.widget.setDefault(self.param.defaultValue())
self.verticalLayout.addWidget(self.widget)
elif self.paramType == parameters.PARAMETER_MATRIX or \
isinstance(self.param, QgsProcessingParameterMatrix):
self.widget = MatrixModelerWidget(self)
if self.param is not None:
self.widget.setValue(self.param.headers(), self.param.defaultValue())
self.widget.setFixedRows(self.param.hasFixedNumberRows())
self.verticalLayout.addWidget(self.widget)
elif isinstance(self.param, QgsProcessingDestinationParameter):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(self.param, defaultSelection=True)
self.verticalLayout.addWidget(self.defaultWidget)
self.verticalLayout.addSpacing(20)
self.requiredCheck = QCheckBox()
self.requiredCheck.setText(self.tr('Mandatory'))
self.requiredCheck.setChecked(True)
if self.param is not None:
self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
self.verticalLayout.addWidget(self.requiredCheck)
self.advancedCheck = QCheckBox()
self.advancedCheck.setText(self.tr('Advanced'))
self.advancedCheck.setChecked(False)
if self.param is not None:
self.advancedCheck.setChecked(self.param.flags() & QgsProcessingParameterDefinition.FlagAdvanced)
self.verticalLayout.addWidget(self.advancedCheck)
# If child algorithm output is mandatory, disable checkbox
if isinstance(self.param, QgsProcessingDestinationParameter):
provider_name, child_name, output_name = self.param.name().split(':')
child = self.alg.childAlgorithms()['{}:{}'.format(provider_name, child_name)]
model_output = child.modelOutput(output_name)
param_def = child.algorithm().parameterDefinition(model_output.childOutputName())
if not (param_def.flags() & QgsProcessingParameterDefinition.FlagOptional):
self.requiredCheck.setEnabled(False)
self.requiredCheck.setChecked(True)
self.advancedCheck.setEnabled(False)
self.advancedCheck.setChecked(False)
self.verticalLayout.addStretch()
w = QWidget()
w.setLayout(self.verticalLayout)
self.tab.addTab(w, self.tr('Properties'))
self.commentLayout = QVBoxLayout()
self.commentEdit = QTextEdit()
self.commentEdit.setAcceptRichText(False)
self.commentLayout.addWidget(self.commentEdit)
w2 = QWidget()
w2.setLayout(self.commentLayout)
self.tab.addTab(w2, self.tr('Comments'))
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.mainLayout.addWidget(self.buttonBox)
self.setLayout(self.mainLayout)
def setComments(self, text):
self.commentEdit.setPlainText(text)
def comments(self):
return self.commentEdit.toPlainText()
def accept(self):
description = self.nameTextBox.text()
if description.strip() == '':
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Invalid parameter name'))
return
if self.param is None:
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
safeName = ''.join(c for c in description if c in validChars)
name = safeName.lower()
i = 2
while self.alg.parameterDefinition(name):
name = safeName.lower() + str(i)
i += 1
else:
name = self.param.name()
if (self.paramType == parameters.PARAMETER_TABLE_FIELD
or isinstance(self.param, QgsProcessingParameterField)):
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.currentData()
datatype = self.datatypeCombo.currentData()
default = self.defaultTextBox.text()
if not default:
default = None
self.param = QgsProcessingParameterField(name, description, defaultValue=default,
parentLayerParameterName=parent, type=datatype,
allowMultiple=self.multipleCheck.isChecked())
elif (self.paramType == parameters.PARAMETER_BAND
or isinstance(self.param, QgsProcessingParameterBand)):
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.currentData()
self.param = QgsProcessingParameterBand(name, description, None, parent)
elif (self.paramType == parameters.PARAMETER_MAP_LAYER
or isinstance(self.param, QgsProcessingParameterMapLayer)):
self.param = QgsProcessingParameterMapLayer(
name, description, types=[self.datatypeCombo.currentData()])
elif (self.paramType == parameters.PARAMETER_RASTER
or isinstance(self.param, QgsProcessingParameterRasterLayer)):
self.param = QgsProcessingParameterRasterLayer(
name, description)
elif (self.paramType == parameters.PARAMETER_TABLE
or isinstance(self.param, QgsProcessingParameterVectorLayer)):
self.param = QgsProcessingParameterVectorLayer(
name, description,
[self.shapetypeCombo.currentData()])
elif (self.paramType == parameters.PARAMETER_VECTOR
or isinstance(self.param, QgsProcessingParameterFeatureSource)):
self.param = QgsProcessingParameterFeatureSource(
name, description,
[self.shapetypeCombo.currentData()])
elif (self.paramType == parameters.PARAMETER_MULTIPLE
or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
self.param = QgsProcessingParameterMultipleLayers(
name, description,
self.datatypeCombo.currentData())
elif (self.paramType == parameters.PARAMETER_DISTANCE
or isinstance(self.param, QgsProcessingParameterDistance)):
self.param = QgsProcessingParameterDistance(name, description,
self.defaultTextBox.text())
try:
vmin = self.minTextBox.text().strip()
if not vmin == '':
self.param.setMinimum(float(vmin))
vmax = self.maxTextBox.text().strip()
if not vmax == '':
self.param.setMaximum(float(vmax))
except:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.currentData()
if parent:
self.param.setParentParameterName(parent)
elif (self.paramType == parameters.PARAMETER_SCALE
or isinstance(self.param, QgsProcessingParameterScale)):
self.param = QgsProcessingParameterScale(name, description,
self.defaultTextBox.text())
elif (self.paramType == parameters.PARAMETER_NUMBER
or isinstance(self.param, QgsProcessingParameterNumber)):
type = self.type_combo.currentData()
self.param = QgsProcessingParameterNumber(name, description, type,
self.defaultTextBox.text())
try:
vmin = self.minTextBox.text().strip()
if not vmin == '':
self.param.setMinimum(float(vmin))
vmax = self.maxTextBox.text().strip()
if not vmax == '':
self.param.setMaximum(float(vmax))
except:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
elif (self.paramType == parameters.PARAMETER_EXTENT
or isinstance(self.param, QgsProcessingParameterExtent)):
self.param = QgsProcessingParameterExtent(name, description)
elif (self.paramType == parameters.PARAMETER_ENUM
or isinstance(self.param, QgsProcessingParameterEnum)):
self.param = QgsProcessingParameterEnum(name, description, self.widget.options(), self.widget.allowMultiple(), self.widget.defaultOptions())
elif (self.paramType == parameters.PARAMETER_MATRIX
or isinstance(self.param, QgsProcessingParameterMatrix)):
self.param = QgsProcessingParameterMatrix(name, description, hasFixedNumberRows=self.widget.fixedRows(), headers=self.widget.headers(), defaultValue=self.widget.value())
# Destination parameter
elif (isinstance(self.param, QgsProcessingParameterFeatureSink)):
self.param = QgsProcessingParameterFeatureSink(
name=name,
description=self.param.description(),
type=self.param.dataType(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
self.param = QgsProcessingParameterFileDestination(
name=name,
description=self.param.description(),
fileFilter=self.param.fileFilter(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
self.param = QgsProcessingParameterFolderDestination(
name=name,
description=self.param.description(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
self.param = QgsProcessingParameterRasterDestination(
name=name,
description=self.param.description(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
self.param = QgsProcessingParameterVectorDestination(
name=name,
description=self.param.description(),
type=self.param.dataType(),
defaultValue=self.defaultWidget.value())
else:
if self.paramType:
typeId = self.paramType
else:
typeId = self.param.type()
paramTypeDef = QgsApplication.instance().processingRegistry().parameterType(typeId)
if not paramTypeDef:
msg = self.tr('The parameter `{}` is not registered, are you missing a required plugin?'.format(typeId))
raise UndefinedParameterException(msg)
self.param = paramTypeDef.create(name)
self.param.setDescription(description)
self.param.setMetadata(paramTypeDef.metadata())
if not self.requiredCheck.isChecked():
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagOptional)
else:
self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagOptional)
if self.advancedCheck.isChecked():
self.param.setFlags(self.param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
else:
self.param.setFlags(self.param.flags() & ~QgsProcessingParameterDefinition.FlagAdvanced)
settings = QgsSettings()
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
QDialog.accept(self)
def reject(self):
self.param = None
settings = QgsSettings()
settings.setValue("/Processing/modelParametersDefinitionDialogGeometry", self.saveGeometry())
QDialog.reject(self)
def setupUi(self):
type_metadata = QgsApplication.processingRegistry().parameterType(self.param.type() if self.param else self.paramType)
self.setWindowTitle(self.tr('{} Parameter Definition').format(type_metadata.name()))
self.mainLayout = QVBoxLayout()
self.tab = QTabWidget()
self.mainLayout.addWidget(self.tab)
self.setMinimumWidth(300)
self.verticalLayout = QVBoxLayout()
self.label = QLabel(self.tr('Parameter name'))
self.verticalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.verticalLayout.addWidget(self.nameTextBox)
if isinstance(self.param, QgsProcessingParameterDefinition):
self.nameTextBox.setText(self.param.description())
if self.paramType == parameters.PARAMETER_TABLE_FIELD or \
isinstance(self.param, QgsProcessingParameterField):
self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentLayerParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
# add the datatype selector
self.verticalLayout.addWidget(QLabel(self.tr('Allowed data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any'), -1)
self.datatypeCombo.addItem(self.tr('Number'), 0)
self.datatypeCombo.addItem(self.tr('String'), 1)
self.datatypeCombo.addItem(self.tr('Date/time'), 2)
self.verticalLayout.addWidget(self.datatypeCombo)
if self.param is not None and self.param.dataType() is not None:
# QComboBoxes indexes start at 0,
# self.param.datatype start with -1 that is why I need to do +1
datatypeIndex = self.param.dataType() + 1
self.datatypeCombo.setCurrentIndex(datatypeIndex)
self.multipleCheck = QCheckBox()
self.multipleCheck.setText(self.tr('Accept multiple fields'))
self.multipleCheck.setChecked(False)
if self.param is not None:
self.multipleCheck.setChecked(self.param.allowMultiple())
self.verticalLayout.addWidget(self.multipleCheck)
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setToolTip(
self.tr('Default field name, or ; separated list of field names for multiple field parameters'))
if self.param is not None:
default = self.param.defaultValue()
if default is not None:
self.defaultTextBox.setText(str(default))
self.verticalLayout.addWidget(self.defaultTextBox)
elif self.paramType == parameters.PARAMETER_BAND or \
isinstance(self.param, QgsProcessingParameterBand):
self.verticalLayout.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterRasterLayer)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentLayerParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
elif (self.paramType in (
parameters.PARAMETER_VECTOR, parameters.PARAMETER_TABLE) or
isinstance(self.param, (QgsProcessingParameterFeatureSource, QgsProcessingParameterVectorLayer))):
self.verticalLayout.addWidget(QLabel(self.tr('Geometry type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Geometry Not Required'), QgsProcessing.TypeVector)
self.shapetypeCombo.addItem(self.tr('Point'), QgsProcessing.TypeVectorPoint)
self.shapetypeCombo.addItem(self.tr('Line'), QgsProcessing.TypeVectorLine)
self.shapetypeCombo.addItem(self.tr('Polygon'), QgsProcessing.TypeVectorPolygon)
self.shapetypeCombo.addItem(self.tr('Any Geometry Type'), QgsProcessing.TypeVectorAnyGeometry)
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.shapetypeCombo.findData(self.param.dataTypes()[0]))
self.verticalLayout.addWidget(self.shapetypeCombo)
elif (self.paramType == parameters.PARAMETER_MULTIPLE
or isinstance(self.param, QgsProcessingParameterMultipleLayers)):
self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
self.datatypeCombo.addItem(self.tr('Vector (No Geometry Required)'), QgsProcessing.TypeVector)
self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
self.datatypeCombo.addItem(self.tr('File'), QgsProcessing.TypeFile)
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.layerType()))
self.verticalLayout.addWidget(self.datatypeCombo)
elif (self.paramType == parameters.PARAMETER_MAP_LAYER or
isinstance(self.param, QgsProcessingParameterMapLayer)):
self.verticalLayout.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Any Map Layer'), QgsProcessing.TypeMapLayer)
self.datatypeCombo.addItem(self.tr('Vector (Point)'), QgsProcessing.TypeVectorPoint)
self.datatypeCombo.addItem(self.tr('Vector (Line)'), QgsProcessing.TypeVectorLine)
self.datatypeCombo.addItem(self.tr('Vector (Polygon)'), QgsProcessing.TypeVectorPolygon)
self.datatypeCombo.addItem(self.tr('Vector (Any Geometry Type)'), QgsProcessing.TypeVectorAnyGeometry)
self.datatypeCombo.addItem(self.tr('Raster'), QgsProcessing.TypeRaster)
self.datatypeCombo.addItem(self.tr('Mesh'), QgsProcessing.TypeMesh)
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.datatypeCombo.findData(self.param.dataTypes()[0]))
self.verticalLayout.addWidget(self.datatypeCombo)
elif (self.paramType in (parameters.PARAMETER_NUMBER, parameters.PARAMETER_DISTANCE, parameters.PARAMETER_SCALE)
or isinstance(self.param, (QgsProcessingParameterNumber, QgsProcessingParameterDistance, QgsProcessingParameterScale))):
if (self.paramType == parameters.PARAMETER_DISTANCE
or isinstance(self.param, QgsProcessingParameterDistance)):
self.verticalLayout.addWidget(QLabel(self.tr('Linked input')))
self.parentCombo = QComboBox()
self.parentCombo.addItem('', '')
idx = 1
for param in list(self.alg.parameterComponents().values()):
definition = self.alg.parameterDefinition(param.parameterName())
if isinstance(definition, (QgsProcessingParameterFeatureSource,
QgsProcessingParameterVectorLayer,
QgsProcessingParameterMapLayer,
QgsProcessingParameterCrs)):
self.parentCombo.addItem(definition.description(), definition.name())
if self.param is not None:
if self.param.parentParameterName() == definition.name():
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.verticalLayout.addWidget(self.parentCombo)
elif (self.paramType != parameters.PARAMETER_SCALE and not
isinstance(self.param, QgsProcessingParameterScale)):
self.verticalLayout.addWidget(QLabel(self.tr('Number type')))
self.type_combo = QComboBox()
self.type_combo.addItem(self.tr('Float'), QgsProcessingParameterNumber.Double)
self.type_combo.addItem(self.tr('Integer'), QgsProcessingParameterNumber.Integer)
if self.param:
self.type_combo.setCurrentIndex(self.type_combo.findData(self.param.dataType()))
self.verticalLayout.addWidget(self.type_combo)
if (self.paramType != parameters.PARAMETER_SCALE and not
isinstance(self.param, QgsProcessingParameterScale)):
self.verticalLayout.addWidget(QLabel(self.tr('Min value')))
self.minTextBox = QLineEdit()
self.verticalLayout.addWidget(self.minTextBox)
self.verticalLayout.addWidget(QLabel(self.tr('Max value')))
self.maxTextBox = QLineEdit()
self.verticalLayout.addWidget(self.maxTextBox)
if self.param is not None:
self.minTextBox.setText(str(self.param.minimum()))
self.maxTextBox.setText(str(self.param.maximum()))
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.defaultValue()
if self.param.dataType() == QgsProcessingParameterNumber.Integer:
default = int(math.floor(float(default)))
if default:
self.defaultTextBox.setText(str(default))
self.verticalLayout.addWidget(self.defaultTextBox)
elif self.paramType == parameters.PARAMETER_ENUM or \
isinstance(self.param, QgsProcessingParameterEnum):
self.widget = EnumModelerWidget(self)
if self.param is not None:
self.widget.setAllowMultiple(bool(self.param.allowMultiple()))
self.widget.setOptions(self.param.options())
self.widget.setDefault(self.param.defaultValue())
self.verticalLayout.addWidget(self.widget)
elif self.paramType == parameters.PARAMETER_MATRIX or \
isinstance(self.param, QgsProcessingParameterMatrix):
self.widget = MatrixModelerWidget(self)
if self.param is not None:
self.widget.setValue(self.param.headers(), self.param.defaultValue())
self.widget.setFixedRows(self.param.hasFixedNumberRows())
self.verticalLayout.addWidget(self.widget)
elif isinstance(self.param, QgsProcessingDestinationParameter):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(self.param, defaultSelection=True)
self.verticalLayout.addWidget(self.defaultWidget)
self.verticalLayout.addSpacing(20)
self.requiredCheck = QCheckBox()
self.requiredCheck.setText(self.tr('Mandatory'))
self.requiredCheck.setChecked(True)
if self.param is not None:
self.requiredCheck.setChecked(not self.param.flags() & QgsProcessingParameterDefinition.FlagOptional)
self.verticalLayout.addWidget(self.requiredCheck)
self.advancedCheck = QCheckBox()
self.advancedCheck.setText(self.tr('Advanced'))
self.advancedCheck.setChecked(False)
if self.param is not None:
self.advancedCheck.setChecked(self.param.flags() & QgsProcessingParameterDefinition.FlagAdvanced)
self.verticalLayout.addWidget(self.advancedCheck)
# If child algorithm output is mandatory, disable checkbox
if isinstance(self.param, QgsProcessingDestinationParameter):
provider_name, child_name, output_name = self.param.name().split(':')
child = self.alg.childAlgorithms()['{}:{}'.format(provider_name, child_name)]
model_output = child.modelOutput(output_name)
param_def = child.algorithm().parameterDefinition(model_output.childOutputName())
if not (param_def.flags() & QgsProcessingParameterDefinition.FlagOptional):
self.requiredCheck.setEnabled(False)
self.requiredCheck.setChecked(True)
self.advancedCheck.setEnabled(False)
self.advancedCheck.setChecked(False)
self.verticalLayout.addStretch()
w = QWidget()
w.setLayout(self.verticalLayout)
self.tab.addTab(w, self.tr('Properties'))
self.commentLayout = QVBoxLayout()
self.commentEdit = QTextEdit()
self.commentEdit.setAcceptRichText(False)
self.commentLayout.addWidget(self.commentEdit)
w2 = QWidget()
w2.setLayout(self.commentLayout)
self.tab.addTab(w2, self.tr('Comments'))
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.mainLayout.addWidget(self.buttonBox)
self.setLayout(self.mainLayout)
def setupUi(self):
type_metadata = QgsApplication.processingRegistry().parameterType(
self.param.type() if self.param else self.paramType)
self.setWindowTitle(
self.tr('{} Parameter Definition').format(type_metadata.name()))
self.mainLayout = QVBoxLayout()
self.tab = QTabWidget()
self.mainLayout.addWidget(self.tab)
self.setMinimumWidth(300)
self.verticalLayout = QVBoxLayout()
self.label = QLabel(self.tr('Parameter name'))
self.verticalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.verticalLayout.addWidget(self.nameTextBox)
if isinstance(self.param, QgsProcessingParameterDefinition):
self.nameTextBox.setText(self.param.description())
if isinstance(self.param, QgsProcessingDestinationParameter):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(
self.param, defaultSelection=True)
self.verticalLayout.addWidget(self.defaultWidget)
self.verticalLayout.addSpacing(20)
self.requiredCheck = QCheckBox()
self.requiredCheck.setText(self.tr('Mandatory'))
self.requiredCheck.setChecked(True)
if self.param is not None:
self.requiredCheck.setChecked(
not self.param.flags()
& QgsProcessingParameterDefinition.FlagOptional)
self.verticalLayout.addWidget(self.requiredCheck)
self.advancedCheck = QCheckBox()
self.advancedCheck.setText(self.tr('Advanced'))
self.advancedCheck.setChecked(False)
if self.param is not None:
self.advancedCheck.setChecked(
self.param.flags()
& QgsProcessingParameterDefinition.FlagAdvanced)
self.verticalLayout.addWidget(self.advancedCheck)
# If child algorithm output is mandatory, disable checkbox
if isinstance(self.param, QgsProcessingDestinationParameter):
child = self.alg.childAlgorithms()[self.param.metadata()
['_modelChildId']]
model_output = child.modelOutput(
self.param.metadata()['_modelChildOutputName'])
param_def = child.algorithm().parameterDefinition(
model_output.childOutputName())
if not (param_def.flags()
& QgsProcessingParameterDefinition.FlagOptional):
self.requiredCheck.setEnabled(False)
self.requiredCheck.setChecked(True)
self.advancedCheck.setEnabled(False)
self.advancedCheck.setChecked(False)
self.verticalLayout.addStretch()
w = QWidget()
w.setLayout(self.verticalLayout)
self.tab.addTab(w, self.tr('Properties'))
self.commentLayout = QVBoxLayout()
self.commentEdit = QTextEdit()
self.commentEdit.setAcceptRichText(False)
self.commentLayout.addWidget(self.commentEdit, 1)
hl = QHBoxLayout()
hl.setContentsMargins(0, 0, 0, 0)
hl.addWidget(QLabel(self.tr('Color')))
self.comment_color_button = QgsColorButton()
self.comment_color_button.setAllowOpacity(True)
self.comment_color_button.setWindowTitle(self.tr('Comment Color'))
self.comment_color_button.setShowNull(True, self.tr('Default'))
hl.addWidget(self.comment_color_button)
self.commentLayout.addLayout(hl)
w2 = QWidget()
w2.setLayout(self.commentLayout)
self.tab.addTab(w2, self.tr('Comments'))
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.mainLayout.addWidget(self.buttonBox)
self.setLayout(self.mainLayout)
class ModelerParameterDefinitionDialog(QDialog):
@staticmethod
def use_legacy_dialog(param=None, paramType=None):
if isinstance(param, QgsProcessingDestinationParameter):
return True
# yay, use new API!
return False
def __init__(self, alg, paramType=None, param=None):
self.alg = alg
self.paramType = paramType
self.param = param
QDialog.__init__(self)
self.setModal(True)
self.setupUi()
settings = QgsSettings()
self.restoreGeometry(
settings.value(
"/Processing/modelParametersDefinitionDialogGeometry",
QByteArray()))
def closeEvent(self, event):
settings = QgsSettings()
settings.setValue(
"/Processing/modelParametersDefinitionDialogGeometry",
self.saveGeometry())
super(ModelerParameterDefinitionDialog, self).closeEvent(event)
def switchToCommentTab(self):
self.tab.setCurrentIndex(1)
self.commentEdit.setFocus()
self.commentEdit.selectAll()
def setupUi(self):
type_metadata = QgsApplication.processingRegistry().parameterType(
self.param.type() if self.param else self.paramType)
self.setWindowTitle(
self.tr('{} Parameter Definition').format(type_metadata.name()))
self.mainLayout = QVBoxLayout()
self.tab = QTabWidget()
self.mainLayout.addWidget(self.tab)
self.setMinimumWidth(300)
self.verticalLayout = QVBoxLayout()
self.label = QLabel(self.tr('Parameter name'))
self.verticalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.verticalLayout.addWidget(self.nameTextBox)
if isinstance(self.param, QgsProcessingParameterDefinition):
self.nameTextBox.setText(self.param.description())
if isinstance(self.param, QgsProcessingDestinationParameter):
self.verticalLayout.addWidget(QLabel(self.tr('Default value')))
self.defaultWidget = QgsProcessingLayerOutputDestinationWidget(
self.param, defaultSelection=True)
self.verticalLayout.addWidget(self.defaultWidget)
self.verticalLayout.addSpacing(20)
self.requiredCheck = QCheckBox()
self.requiredCheck.setText(self.tr('Mandatory'))
self.requiredCheck.setChecked(True)
if self.param is not None:
self.requiredCheck.setChecked(
not self.param.flags()
& QgsProcessingParameterDefinition.FlagOptional)
self.verticalLayout.addWidget(self.requiredCheck)
self.advancedCheck = QCheckBox()
self.advancedCheck.setText(self.tr('Advanced'))
self.advancedCheck.setChecked(False)
if self.param is not None:
self.advancedCheck.setChecked(
self.param.flags()
& QgsProcessingParameterDefinition.FlagAdvanced)
self.verticalLayout.addWidget(self.advancedCheck)
# If child algorithm output is mandatory, disable checkbox
if isinstance(self.param, QgsProcessingDestinationParameter):
child = self.alg.childAlgorithms()[self.param.metadata()
['_modelChildId']]
model_output = child.modelOutput(
self.param.metadata()['_modelChildOutputName'])
param_def = child.algorithm().parameterDefinition(
model_output.childOutputName())
if not (param_def.flags()
& QgsProcessingParameterDefinition.FlagOptional):
self.requiredCheck.setEnabled(False)
self.requiredCheck.setChecked(True)
self.advancedCheck.setEnabled(False)
self.advancedCheck.setChecked(False)
self.verticalLayout.addStretch()
w = QWidget()
w.setLayout(self.verticalLayout)
self.tab.addTab(w, self.tr('Properties'))
self.commentLayout = QVBoxLayout()
self.commentEdit = QTextEdit()
self.commentEdit.setAcceptRichText(False)
self.commentLayout.addWidget(self.commentEdit, 1)
hl = QHBoxLayout()
hl.setContentsMargins(0, 0, 0, 0)
hl.addWidget(QLabel(self.tr('Color')))
self.comment_color_button = QgsColorButton()
self.comment_color_button.setAllowOpacity(True)
self.comment_color_button.setWindowTitle(self.tr('Comment Color'))
self.comment_color_button.setShowNull(True, self.tr('Default'))
hl.addWidget(self.comment_color_button)
self.commentLayout.addLayout(hl)
w2 = QWidget()
w2.setLayout(self.commentLayout)
self.tab.addTab(w2, self.tr('Comments'))
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.mainLayout.addWidget(self.buttonBox)
self.setLayout(self.mainLayout)
def setComments(self, text):
self.commentEdit.setPlainText(text)
def comments(self):
return self.commentEdit.toPlainText()
def setCommentColor(self, color):
if color.isValid():
self.comment_color_button.setColor(color)
else:
self.comment_color_button.setToNull()
def commentColor(self):
return self.comment_color_button.color(
) if not self.comment_color_button.isNull() else QColor()
def accept(self):
description = self.nameTextBox.text()
if description.strip() == '':
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Invalid parameter name'))
return
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
safeName = ''.join(c for c in description if c in validChars)
name = safeName.lower()
# Destination parameter
if (isinstance(self.param, QgsProcessingParameterFeatureSink)):
self.param = QgsProcessingParameterFeatureSink(
name=name,
description=description,
type=self.param.dataType(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterFileDestination)):
self.param = QgsProcessingParameterFileDestination(
name=name,
description=description,
fileFilter=self.param.fileFilter(),
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterFolderDestination)):
self.param = QgsProcessingParameterFolderDestination(
name=name,
description=description,
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterRasterDestination)):
self.param = QgsProcessingParameterRasterDestination(
name=name,
description=description,
defaultValue=self.defaultWidget.value())
elif (isinstance(self.param, QgsProcessingParameterVectorDestination)):
self.param = QgsProcessingParameterVectorDestination(
name=name,
description=description,
type=self.param.dataType(),
defaultValue=self.defaultWidget.value())
else:
if self.paramType:
typeId = self.paramType
else:
typeId = self.param.type()
paramTypeDef = QgsApplication.instance().processingRegistry(
).parameterType(typeId)
if not paramTypeDef:
msg = self.tr(
'The parameter `{}` is not registered, are you missing a required plugin?'
.format(typeId))
raise UndefinedParameterException(msg)
self.param = paramTypeDef.create(name)
self.param.setDescription(description)
self.param.setMetadata(paramTypeDef.metadata())
if not self.requiredCheck.isChecked():
self.param.setFlags(
self.param.flags()
| QgsProcessingParameterDefinition.FlagOptional)
else:
self.param.setFlags(
self.param.flags()
& ~QgsProcessingParameterDefinition.FlagOptional)
if self.advancedCheck.isChecked():
self.param.setFlags(
self.param.flags()
| QgsProcessingParameterDefinition.FlagAdvanced)
else:
self.param.setFlags(
self.param.flags()
& ~QgsProcessingParameterDefinition.FlagAdvanced)
settings = QgsSettings()
settings.setValue(
"/Processing/modelParametersDefinitionDialogGeometry",
self.saveGeometry())
QDialog.accept(self)
def reject(self):
self.param = None
settings = QgsSettings()
settings.setValue(
"/Processing/modelParametersDefinitionDialogGeometry",
self.saveGeometry())
QDialog.reject(self)
def initWidgets(self):
super().initWidgets()
widget_context = QgsProcessingParameterWidgetContext()
widget_context.setProject(QgsProject.instance())
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
widget_context.setBrowserModel(iface.browserModel())
widget_context.setMessageBar(self.parent().messageBar())
if isinstance(self.algorithm(), QgsProcessingModelAlgorithm):
widget_context.setModel(self.algorithm())
# Create widgets and put them in layouts
for param in self.algorithm().parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if param.isDestination():
continue
else:
wrapper = WidgetWrapperFactory.create_wrapper(
param, self.parent())
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(
self.context_generator)
self.wrappers[param.name()] = wrapper
# 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
is_python_wrapper = issubclass(wrapper.__class__,
WidgetWrapper)
if not is_python_wrapper:
widget = wrapper.createWrappedWidget(
self.processing_context)
else:
widget = wrapper.widget
if self.in_place and param.name() in ('INPUT', 'OUTPUT'):
# don't show the input/output parameter widgets in in-place mode
# we still need to CREATE them, because other wrappers may need to interact
# with them (e.g. those parameters which need the input layer for field
# selections/crs properties/etc)
continue
if widget is not None:
if is_python_wrapper:
widget.setToolTip(param.toolTip())
label = None
if not is_python_wrapper:
label = wrapper.createWrappedLabel()
else:
label = wrapper.label
if label is not None:
self.addParameterLabel(param, label)
elif is_python_wrapper:
desc = param.description()
if isinstance(param, QgsProcessingParameterExtent):
desc += self.tr(' (xmin, xmax, ymin, ymax)')
if param.flags(
) & QgsProcessingParameterDefinition.FlagOptional:
desc += self.tr(' [optional]')
widget.setText(desc)
self.addParameterWidget(param, widget)
for output in self.algorithm().destinationParameterDefinitions():
if output.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if self.in_place and param.name() in ('INPUT', 'OUTPUT'):
continue
label = QLabel(output.description())
widget = QgsProcessingLayerOutputDestinationWidget(output, False)
widget.setWidgetContext(widget_context)
self.addOutputLabel(label)
self.addOutputWidget(widget)
if isinstance(output, (QgsProcessingParameterRasterDestination,
QgsProcessingParameterFeatureSink,
QgsProcessingParameterVectorDestination)):
check = QCheckBox()
check.setText(
QCoreApplication.translate(
'ParametersPanel',
'Open output file after running algorithm'))
def skipOutputChanged(widget, checkbox, skipped):
enabled = not skipped
# Do not try to open formats that are write-only.
value = widget.value()
if value and isinstance(
value,
QgsProcessingOutputLayerDefinition) and isinstance(
output,
(QgsProcessingParameterFeatureSink,
QgsProcessingParameterVectorDestination)):
filename = value.sink.staticValue()
if filename not in ('memory:', ''):
path, ext = os.path.splitext(filename)
format = QgsVectorFileWriter.driverForExtension(
ext)
drv = gdal.GetDriverByName(format)
if drv:
if drv.GetMetadataItem(gdal.DCAP_OPEN) is None:
enabled = False
checkbox.setEnabled(enabled)
checkbox.setChecked(enabled)
check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(
partial(skipOutputChanged, widget, check))
self.addOutputWidget(check)
self.checkBoxes[output.name()] = check
self.outputWidgets[output.name()] = widget
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
