19#ifndef QGSALGORITHMFIELDSCALCULATOR_H
20#define QGSALGORITHMFIELDSCALCULATOR_H
36 QgsFieldCalculatorAlgorithm() =
default;
37 QString
name()
const override;
39 QStringList
tags()
const override;
40 QString
group()
const override;
41 QString
groupId()
const override;
45 bool supportInPlaceEdit(
const QgsMapLayer *layer )
const override;
48 void initParameters(
const QVariantMap &configuration = QVariantMap() )
override;
49 QString outputName()
const override;
QFlags< ProcessingFeatureSourceFlag > ProcessingFeatureSourceFlags
Flags which control how QgsProcessingFeatureSource fetches features.
A general purpose distance and area calculator, capable of performing ellipsoid based calculations.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Class for parsing and evaluation of expressions (formerly called "search strings").
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Container of fields for a vector layer.
Base class for all map layer types.
virtual QgsProcessingAlgorithm * createInstance() const =0
Creates a new instance of the algorithm class.
virtual QString group() const
Returns the name of the group this algorithm belongs to.
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
virtual QString shortHelpString() const
Returns a localised short helper string for the algorithm.
virtual QString displayName() const =0
Returns the translated algorithm name, which should be used for any user-visible display of the algor...
virtual QStringList tags() const
Returns a list of tags which relate to the algorithm, and are used to assist users in searching for s...
virtual QString name() const =0
Returns the algorithm name, used for identifying the algorithm.
Contains information about the context in which a processing algorithm is executed.
An abstract QgsProcessingAlgorithm base class for processing algorithms which operate "feature-by-fea...
virtual QList< int > inputLayerTypes() const
Returns the valid input layer types for the source layer for this algorithm.
Base class for providing feedback from a processing algorithm.
QList< QgsFeature > QgsFeatureList