QGIS API Documentation  3.4.15-Madeira (e83d02e274)
qgsalgorithmpromotetomultipart.h
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1 /***************************************************************************
2  qgsalgorithmpromotetomultipart.h
3  ---------------------
4  begin : April 2017
5  copyright : (C) 2017 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSALGORITHMPROMOTETOMULTIPART_H
19 #define QGSALGORITHMPROMOTETOMULTIPART_H
20 
21 #define SIP_NO_FILE
22 
23 #include "qgis.h"
24 #include "qgsprocessingalgorithm.h"
25 
27 
28 
32 class QgsPromoteToMultipartAlgorithm : public QgsProcessingFeatureBasedAlgorithm
33 {
34 
35  public:
36 
37  QgsPromoteToMultipartAlgorithm() = default;
38  QIcon icon() const override { return QgsApplication::getThemeIcon( QStringLiteral( "/algorithms/mAlgorithmSingleToMulti.svg" ) ); }
39  QString svgIconPath() const override { return QgsApplication::iconPath( QStringLiteral( "/algorithms/mAlgorithmSingleToMulti.svg" ) ); }
40  QString name() const override;
41  QString displayName() const override;
42  QStringList tags() const override;
43  QString group() const override;
44  QString groupId() const override;
45  QString shortHelpString() const override;
46  QgsPromoteToMultipartAlgorithm *createInstance() const override SIP_FACTORY;
47  bool supportInPlaceEdit( const QgsMapLayer *layer ) const override;
48 
49  protected:
50  QString outputName() const override;
52  QgsWkbTypes::Type outputWkbType( QgsWkbTypes::Type inputWkbType ) const override;
53  QgsFeatureList processFeature( const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
54 
55 };
56 
58 
59 #endif // QGSALGORITHMPROMOTETOMULTIPART_H
60 
61 
virtual QString outputName() const =0
Returns the translated, user visible name for any layers created by this algorithm.
Base class for all map layer types.
Definition: qgsmaplayer.h:63
Base class for providing feedback from a processing algorithm.
virtual QgsFeatureList processFeature(const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback *feedback) SIP_THROW(QgsProcessingException)=0
Processes an individual input feature from the source.
virtual QgsProcessingFeatureSource::Flag sourceFlags() const
Returns the processing feature source flags to be used in the algorithm.
QList< QgsFeature > QgsFeatureList
Definition: qgsfeature.h:571
virtual QString name() const =0
Returns the algorithm name, used for identifying the algorithm.
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
static QIcon getThemeIcon(const QString &name)
Helper to get a theme icon.
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
Definition: qgsfeature.h:55
virtual QgsWkbTypes::Type outputWkbType(QgsWkbTypes::Type inputWkbType) const
Maps the input WKB geometry type (inputWkbType) to the corresponding output WKB type generated by the...
virtual QStringList tags() const
Returns a list of tags which relate to the algorithm, and are used to assist users in searching for s...
Type
The WKB type describes the number of dimensions a geometry has.
Definition: qgswkbtypes.h:68
virtual QString svgIconPath() const
Returns a path to an SVG version of the algorithm&#39;s icon.
#define SIP_FACTORY
Definition: qgis_sip.h:69
virtual QgsProcessingAlgorithm * createInstance() const =0
Creates a new instance of the algorithm class.
Flag
Flags controlling how QgsProcessingFeatureSource fetches features.
virtual QString groupId() const
Returns the unique ID of the group this algorithm belongs to.
virtual QString displayName() const =0
Returns the translated algorithm name, which should be used for any user-visible display of the algor...
virtual QString group() const
Returns the name of the group this algorithm belongs to.
bool supportInPlaceEdit(const QgsMapLayer *layer) const override
Checks whether this algorithm supports in-place editing on the given layer Default implementation for...
An abstract QgsProcessingAlgorithm base class for processing algorithms which operate "feature-by-fea...
Contains information about the context in which a processing algorithm is executed.
virtual QString shortHelpString() const
Returns a localised short helper string for the algorithm.
virtual QIcon icon() const
Returns an icon for the algorithm.