def addRow(self):
self.wrappers.append([None] * self.tblParameters.columnCount())
self.tblParameters.setRowCount(self.tblParameters.rowCount() + 1)
wrappers = {}
row = self.tblParameters.rowCount() - 1
column = 0
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden or param.isDestination():
continue
wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent, row, column)
wrappers[param.name()] = wrapper
self.setCellWrapper(row, column, wrapper)
column += 1
for out in self.alg.destinationParameterDefinitions():
if out.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
self.tblParameters.setCellWidget(
row, column, BatchOutputSelectionPanel(
out, self.alg, row, column, self))
column += 1
if len(self.alg.destinationParameterDefinitions()) > 0:
item = QComboBox()
item.addItem(self.tr('Yes'))
item.addItem(self.tr('No'))
item.setCurrentIndex(0)
self.tblParameters.setCellWidget(row, column, item)
for wrapper in list(wrappers.values()):
wrapper.postInitialize(list(wrappers.values()))
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()
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
# 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)
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:
wrapper.setWidgetContext(widget_context)
widget = wrapper.createWrappedWidget(self.processing_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
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 = DestinationSelectionPanel(output, self.alg)
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(checkbox, skipped):
checkbox.setEnabled(not skipped)
if skipped:
checkbox.setChecked(False)
check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(partial(skipOutputChanged, 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()))
def setupUi(self):
self.checkBoxes = {}
self.showAdvanced = False
self.wrappers = {}
self.valueItems = {}
self.dependentItems = {}
self.algorithmItem = None
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)
self.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.verticalLayout.addWidget(self.bar)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.displayName())
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
widget_context = QgsProcessingParameterWidgetContext()
widget_context.setProject(QgsProject.instance())
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
widget_context.setModel(self.model)
widget_context.setModelChildAlgorithmId(self.childId)
self.algorithmItem = QgsGui.instance().processingGuiRegistry().algorithmConfigurationWidget(self._alg)
if self.algorithmItem:
self.algorithmItem.setWidgetContext(widget_context)
self.algorithmItem.registerProcessingContextGenerator(self.context_generator)
if self.configuration:
self.algorithmItem.setConfiguration(self.configuration)
self.verticalLayout.addWidget(self.algorithmItem)
for param in self._alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameterDefinitions():
if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
wrapper = WidgetWrapperFactory.create_wrapper(param, self)
self.wrappers[param.name()] = wrapper
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
widget = wrapper
else:
widget = wrapper.widget
if widget is not None:
self.valueItems[param.name()] = widget
if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
label = wrapper.createLabel()
else:
tooltip = param.description()
widget.setToolTip(tooltip)
label = wrapper.label
self.widget_labels[param.name()] = label
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for dest in self._alg.destinationParameterDefinitions():
if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if isinstance(dest, (QgsProcessingParameterRasterDestination, QgsProcessingParameterVectorDestination,
QgsProcessingParameterFeatureSink, QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination)):
label = QLabel(dest.description())
item = QgsFilterLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(self.tr('[Enter name if this is a final result]'))
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[dest.name()] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setPreviousValues()
self.setWindowTitle(self._alg.displayName())
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QgsScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.verticalLayout2.addWidget(self.scrollArea)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.buttonBox.helpRequested.connect(self.openHelp)
QMetaObject.connectSlotsByName(self)
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.wrappers = {}
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)
self.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.verticalLayout.addWidget(self.bar)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.displayName())
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameterDefinitions():
if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
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]')
label = QLabel(desc)
self.labels[param.name()] = label
wrapper = WidgetWrapperFactory.create_wrapper(param, self)
self.wrappers[param.name()] = wrapper
widget = wrapper.widget
if widget is not None:
self.valueItems[param.name()] = widget
tooltip = param.description()
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name()] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for dest in self._alg.destinationParameterDefinitions():
if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if isinstance(dest, (QgsProcessingParameterRasterDestination, QgsProcessingParameterVectorDestination,
QgsProcessingParameterFeatureSink, QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination)):
label = QLabel(dest.description())
item = QgsFilterLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[dest.name()] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setPreviousValues()
self.setWindowTitle(self._alg.displayName())
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QgsScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.verticalLayout2.addWidget(self.scrollArea)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.buttonBox.helpRequested.connect(self.openHelp)
QMetaObject.connectSlotsByName(self)
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
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
# Create widgets and put them in layouts
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if param.isDestination():
continue
else:
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]')
wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent)
self.wrappers[param.name()] = wrapper
widget = wrapper.widget
if widget is not None:
if isinstance(param, QgsProcessingParameterFeatureSource):
layout = QHBoxLayout()
layout.setSpacing(2)
layout.setMargin(0)
layout.addWidget(widget)
button = QToolButton()
icon = QIcon(os.path.join(pluginPath, 'images', 'iterate.png'))
button.setIcon(icon)
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)
widget.setToolTip(param.toolTip())
if type(widget) is QCheckBox:
# checkbox widget - so description is embedded in widget rather than a separate
# label
widget.setText(desc)
else:
label = QLabel(desc)
# label.setToolTip(tooltip)
self.labels[param.name()] = label
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.layoutAdvanced.addWidget(label)
else:
self.layoutMain.insertWidget(
self.layoutMain.count() - 2, label)
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
label = QLabel(output.description())
widget = DestinationSelectionPanel(output, self.alg)
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(self.tr('Open output file after running algorithm'))
check.setChecked(True)
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()))
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.wrappers = {}
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok
| QDialogButtonBox.Help)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.verticalLayout.addWidget(self.bar)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.displayName())
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(
self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameterDefinitions():
if param.isDestination(
) or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
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]')
label = QLabel(desc)
self.labels[param.name()] = label
wrapper = WidgetWrapperFactory.create_wrapper(param, self)
self.wrappers[param.name()] = wrapper
widget = wrapper.widget
if widget is not None:
self.valueItems[param.name()] = widget
tooltip = param.description()
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.flags(
) & QgsProcessingParameterDefinition.FlagAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name()] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for dest in self._alg.destinationParameterDefinitions():
if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if isinstance(dest, (QgsProcessingParameterRasterDestination,
QgsProcessingParameterFeatureSink,
QgsProcessingParameterFileDestination,
QgsProcessingParameterFolderDestination)):
label = QLabel(dest.description())
item = QgsFilterLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[dest.name()] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setPreviousValues()
self.setWindowTitle(self._alg.displayName())
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QgsScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.verticalLayout2.addWidget(self.scrollArea)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.buttonBox.helpRequested.connect(self.openHelp)
QMetaObject.connectSlotsByName(self)
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
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())
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 = DestinationSelectionPanel(output, self.alg)
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(checkbox, skipped):
checkbox.setEnabled(not skipped)
if skipped:
checkbox.setChecked(False)
check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(
partial(skipOutputChanged, 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()))
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
# 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)
self.wrappers[param.name()] = wrapper
widget = wrapper.widget
if widget is not None:
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)
widget.setToolTip(param.toolTip())
if wrapper.label is not None:
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.layoutAdvanced.addWidget(wrapper.label)
else:
self.layoutMain.insertWidget(
self.layoutMain.count() - 2, wrapper.label)
else:
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
label = QLabel(output.description())
widget = DestinationSelectionPanel(output, self.alg)
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(self.tr('Open output file after running algorithm'))
check.setChecked(True)
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()))
def setupUi(self):
self.checkBoxes = {}
self.showAdvanced = False
self.wrappers = {}
self.valueItems = {}
self.dependentItems = {}
self.algorithmItem = None
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel | QDialogButtonBox.Ok | QDialogButtonBox.Help)
self.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
self.bar = QgsMessageBar()
self.bar.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.verticalLayout.addWidget(self.bar)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.displayName())
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
self.algorithmItem = QgsGui.instance().processingGuiRegistry().algorithmConfigurationWidget(self._alg)
if self.configuration:
self.algorithmItem.setConfiguration(self.configuration)
self.verticalLayout.addWidget(self.algorithmItem)
widget_context = QgsProcessingParameterWidgetContext()
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
widget_context.setModel(self.model)
widget_context.setModelChildAlgorithmId(self.childId)
for param in self._alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameterDefinitions():
if param.isDestination() or param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
wrapper = WidgetWrapperFactory.create_wrapper(param, self)
self.wrappers[param.name()] = wrapper
if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
widget = wrapper
else:
widget = wrapper.widget
if widget is not None:
self.valueItems[param.name()] = widget
if issubclass(wrapper.__class__, QgsProcessingModelerParameterWidget):
label = wrapper.createLabel()
else:
tooltip = param.description()
widget.setToolTip(tooltip)
label = wrapper.label
self.widget_labels[param.name()] = label
if param.flags() & QgsProcessingParameterDefinition.FlagAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for dest in self._alg.destinationParameterDefinitions():
if dest.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if isinstance(dest, (QgsProcessingParameterRasterDestination, QgsProcessingParameterVectorDestination,
QgsProcessingParameterFeatureSink, QgsProcessingParameterFileDestination, QgsProcessingParameterFolderDestination)):
label = QLabel(dest.description())
item = QgsFilterLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(self.tr('[Enter name if this is a final result]'))
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[dest.name()] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setPreviousValues()
self.setWindowTitle(self._alg.displayName())
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QgsScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.verticalLayout2.addWidget(self.scrollArea)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.buttonBox.helpRequested.connect(self.openHelp)
QMetaObject.connectSlotsByName(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.setActiveLayer(iface.activeLayer())
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:
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)
self.wrappers[
param.name()] = QgsProcessingHiddenWidgetWrapper(
param, QgsProcessingGui.Standard, self)
self.wrappers[param.name()].setLinkedVectorLayer(
self.active_layer)
continue
wrapper = WidgetWrapperFactory.create_wrapper(
param, self.parent())
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(
self.context_generator)
wrapper.registerProcessingParametersGenerator(self)
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)
stretch = 0
if not is_python_wrapper:
widget = wrapper.createWrappedWidget(
self.processing_context)
stretch = wrapper.stretch()
else:
widget = wrapper.widget
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, stretch)
for output in self.algorithm().destinationParameterDefinitions():
if output.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
if self.in_place and output.name() in ('INPUT', 'OUTPUT'):
continue
wrapper = QgsGui.processingGuiRegistry(
).createParameterWidgetWrapper(output, QgsProcessingGui.Standard)
wrapper.setWidgetContext(widget_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
wrapper.registerProcessingParametersGenerator(self)
self.wrappers[output.name()] = wrapper
label = wrapper.createWrappedLabel()
if label is not None:
self.addOutputLabel(label)
widget = wrapper.createWrappedWidget(self.processing_context)
self.addOutputWidget(widget, wrapper.stretch())
# def skipOutputChanged(widget, checkbox, skipped):
# TODO
# 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)
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
def initWidgets(self): # Heavy overload
# 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()
#if iface is not None:
# widget_context.setMapCanvas(iface.mapCanvas())
# Create widgets and put them in layouts
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden:
continue
print('initWidgets - param.name(): {}'.format(param.name()))
if param.isDestination(): # and param.name() != 'OUTPUT_ASC':
continue
else:
wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent)
self.wrappers[param.name()] = wrapper
#widget = wrapper.widget
# 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:
from qgis.gui import (QgsProcessingContextGenerator, QgsProcessingParameterWidgetContext)
widget_context = QgsProcessingParameterWidgetContext()
if iface is not None:
widget_context.setMapCanvas(iface.mapCanvas())
wrapper.setWidgetContext(widget_context)
widget = wrapper.createWrappedWidget(self.processing_context)
wrapper.registerProcessingContextGenerator(self.context_generator)
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())
#print('initWidgets 2 - param.name(): {}'.format(param.name()))
widget = DestinationSelectionPanel(output, self.alg) # TODO, overload
self.layoutMain.insertWidget(self.layoutMain.count() - 1, label)
self.layoutMain.insertWidget(self.layoutMain.count() - 1, widget)
if isinstance(output, (QgsProcessingParameterRasterDestination,
QgsProcessingParameterFeatureSink,
QgsProcessingParameterVectorDestination
# alk: checkboxes for Chloe handling
,ChloeCSVParameterFileDestination,
ChloeASCParameterFileDestination,
ChloeParameterFolderDestination)
):
check = QCheckBox()
check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file(s) after running algorithm'))
def skipOutputChanged(checkbox, skipped):
checkbox.setEnabled(not skipped)
if skipped:
checkbox.setChecked(False)
check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(partial(skipOutputChanged, check))
self.layoutMain.insertWidget(self.layoutMain.count() - 1, check)
self.checkBoxes[output.name()] = check
# initial state
if hasattr(output,'addToMapDefaultState'):
check.setChecked(output.addToMapDefaultState)
widget.setToolTip(param.toolTip())
self.outputWidgets[output.name()] = widget
for wrapper in list(self.wrappers.values()):
wrapper.postInitialize(list(self.wrappers.values()))
# # alk: checkboxes for Chloe handling
# for output in self.alg.destinationParameterDefinitions():
# if output.flags() & QgsProcessingParameterDefinition.FlagHidden:
# continue
# if isinstance(output, (ChloeCSVParameterFileDestination)) or isinstance(output, (ChloeASCParameterFileDestination)):
# check = QCheckBox()
# check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file(s) after running algorithm'))
# def skipOutputChanged(checkbox, skipped):
# checkbox.setEnabled(not skipped)
# if skipped:
# checkbox.setChecked(False)
# check.setChecked(not widget.outputIsSkipped())
# check.setEnabled(not widget.outputIsSkipped())
# widget.skipOutputChanged.connect(partial(skipOutputChanged, check))
# print(str(self.layoutMain)+1)
# self.layoutMain.insertWidget(self.layoutMain.count() - 1, check)
# self.checkBoxes[output.name()] = check
# # connecting alg outputLoading info with checkbox state
# self.alg.outputLoading[output.name()] = check.isChecked()
# def updateOutputLoadingState(alg, outputName, checkbox, state):
# self.alg.outputLoading[outputName] = checkbox.isChecked()
# print( outputName + " " + str(checkbox.isChecked()) + " " + str(self.alg.outputLoading) + " " + str(self.alg))
# #print(str(self.alg.parameters))
# check.stateChanged.connect(partial(updateOutputLoadingState, self, output.name(), check))
# alk: addition of wrapper special config handling
# for dependancy between wrapper, i.e. changing the value
# of a FileSelectionPanel entails the update of another widget
for k in self.wrappers:
w = self.wrappers[k]
if hasattr(w,'getParentWidgetConfig'):
print(str(w) + " " + "getParentWidgetConfig")
config = w.getParentWidgetConfig()
if config != None:
p = self.wrappers[config['paramName']]
m = getattr(w, config['refreshMethod'])
if m!=None:
print(str(p) + " " + str(p.widget))
# todo generalize valueChanged handling
# to any type of widget componant
if isinstance(p.widget, FileSelectionPanel):
p.widget.leText.textChanged.connect(m)
elif isinstance(p, RasterWidgetWrapper):
try:
p.combo.valueChanged.connect(m) # QGIS 3.8 version
except:
p.combo.currentIndexChanged.connect(m) # QGIS LTR 3.4
