QGIS API Documentation 3.99.0-Master (26c88405ac0)
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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
18#include "qgsvectorlayer.h"
19
20#include "moc_qgsvectorlayerselectionmanager.cpp"
21
24 , mLayer( layer )
25{
26 connect( mLayer, &QgsVectorLayer::selectionChanged, this, &QgsVectorLayerSelectionManager::onSelectionChanged );
27}
28
30{
31 return mLayer->selectedFeatureCount();
32}
33
35{
36 mLayer->select( ids );
37}
38
40{
41 mLayer->deselect( ids );
42}
43
45{
46 mLayer->selectByIds( ids );
47}
48
50{
51 return mLayer->selectedFeatureIds();
52}
53
55{
56 return mLayer;
57}
58
59void QgsVectorLayerSelectionManager::onSelectionChanged( const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect )
60{
61 emit selectionChanged( selected, deselected, clearAndSelect );
62}
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 dataset.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
QSet< QgsFeatureId > QgsFeatureIds