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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 dot kuhn at gmx 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 
21  : QgsIFeatureSelectionManager( parent )
22  , mLayer( layer )
23 {
24  connect( mLayer, SIGNAL( selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ), this, SIGNAL( selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ) );
25 }
26 
28 {
29  return mLayer->selectedFeatureCount();
30 }
31 
33 {
34  mLayer->select( ids );
35 }
36 
38 {
39  mLayer->deselect( ids );
40 }
41 
43 {
44  mLayer->setSelectedFeatures( ids );
45 }
46 
48 {
49  return mLayer->selectedFeaturesIds();
50 }
QSet< QgsFeatureId > QgsFeatureIds
Definition: qgsfeature.h:317
void select(QgsRectangle &rect, bool addToSelection)
Select features found within the search rectangle (in layer's coordinates)
virtual void select(const QgsFeatureIds &ids) override
Select features.
virtual void setSelectedFeatures(const QgsFeatureIds &ids) override
Change selection to the new set of features.
void deselect(const QgsFeatureId featureId)
Deselect feature by its ID.
QgsVectorLayerSelectionManager(QgsVectorLayer *layer, QObject *parent=0)
const QgsFeatureIds & selectedFeaturesIds() const
Return reference to identifiers of selected features.
virtual int selectedFeatureCount() override
The number of features that are selected in this layer.
void setSelectedFeatures(const QgsFeatureIds &ids)
Change selection to the new set of features.
void selectionChanged(const QgsFeatureIds selected, const QgsFeatureIds deselected, const bool clearAndSelect)
This signal is emitted when selection was changed.
virtual const QgsFeatureIds & selectedFeaturesIds() const override
Return reference to identifiers of selected features.
virtual void deselect(const QgsFeatureIds &ids) override
Deselect features.
Is an interface class to abstract feature selection handling.
Represents a vector layer which manages a vector based data sets.
int selectedFeatureCount()
The number of features that are selected in this layer.