QGIS API Documentation 3.41.0-Master (fda2aa46e9a)
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qgsvectorlayerselectionmanager.cpp
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1/***************************************************************************
2 qgsvectorlayerselectionmanager.cpp
3 --------------------------------------
4 Date : 6.6.2013
5 Copyright : (C) 2013 Matthias Kuhn
6 Email : matthias at opengis dot ch
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
17#include "moc_qgsvectorlayerselectionmanager.cpp"
18
19#include "qgsvectorlayer.h"
20
23 , mLayer( layer )
24{
25 connect( mLayer, &QgsVectorLayer::selectionChanged, this, &QgsVectorLayerSelectionManager::onSelectionChanged );
26}
27
32
34{
35 mLayer->select( ids );
36}
37
39{
40 mLayer->deselect( ids );
41}
42
47
52
54{
55 return mLayer;
56}
57
58void QgsVectorLayerSelectionManager::onSelectionChanged( const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect )
59{
60 emit selectionChanged( selected, deselected, clearAndSelect );
61}
Is an interface class to abstract feature selection handling.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
QgsVectorLayerSelectionManager(QgsVectorLayer *layer, QObject *parent=nullptr)
void deselect(const QgsFeatureIds &ids) override
Deselect features by feature ids.
int selectedFeatureCount() override
Returns the number of features that are selected in this layer.
QgsVectorLayer * layer() const
Returns the vector layer.
void setSelectedFeatures(const QgsFeatureIds &ids) override
Change selection to the new set of features.
const QgsFeatureIds & selectedFeatureIds() const override
Returns reference to identifiers of selected features.
void select(const QgsFeatureIds &ids) override
Select features by feature ids.
Represents a vector layer which manages a vector based data sets.
void deselect(QgsFeatureId featureId)
Deselects feature by its ID.
int selectedFeatureCount() const
Returns the number of features that are selected in this layer.
Q_INVOKABLE const QgsFeatureIds & selectedFeatureIds() const
Returns a list of the selected features IDs in this layer.
void select(QgsFeatureId featureId)
Selects feature by its ID.
Q_INVOKABLE void selectByIds(const QgsFeatureIds &ids, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection)
Selects matching features using a list of feature IDs.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
QSet< QgsFeatureId > QgsFeatureIds