QgsValueRelationWidgetFactory class

Base classes

class QgsEditorWidgetFactory: Every attribute editor widget needs a factory, which inherits this class.

QgsValueRelationWidgetFactory(const QString& name) explicit: Constructor for QgsValueRelationWidgetFactory, where name is a human-readable name for the factory.

auto configWidget(QgsVectorLayer* vl, int fieldIdx, QWidget* parent) const -> QgsEditorConfigWidget* override: Override this in your implementation.
auto create(QgsVectorLayer* vl, int fieldIdx, QWidget* editor, QWidget* parent) const -> QgsEditorWidgetWrapper* override: Override this in your implementation.
auto createSearchWidget(QgsVectorLayer* vl, int fieldIdx, QWidget* parent) const -> QgsSearchWidgetWrapper* override: By default a simple QgsFilterLineEdit is returned as search widget.

Override this in your implementation.

Parameters
vl	The layer for which the widget will be created
fieldIdx	The field index for which the widget will be created
parent	The parent widget of the created config widget
Returns	A configuration widget

Create a new configuration widget for this widget type.

Override this in your implementation.

Parameters
vl	The vector layer on which this widget will act
fieldIdx	The field index on which this widget will act
editor	An editor widget if already existent. If NULL is provided, a new widget will be created.
parent	The parent for the wrapper class and any created widget.
Returns	A new widget wrapper

Create a new editor widget wrapper. Call QgsEditorWidgetRegistry::create() instead of calling this method directly.

By default a simple QgsFilterLineEdit is returned as search widget.

Override in own factory to get something different than the default.