QGIS API Documentation 3.29.0-Master (8c80f25a4f)
qgsifeatureselectionmanager.h
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1/***************************************************************************
2 qgsifeatureselectionmanager.h
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
16#ifndef QGSIFEATURESELECTIONMANAGER_H
17#define QGSIFEATURESELECTIONMANAGER_H
18
19#include <QObject>
20#include "qgis_sip.h"
21#include "qgis_gui.h"
22#include "qgsfeatureid.h"
23
31class GUI_EXPORT QgsIFeatureSelectionManager : public QObject
32{
33 Q_OBJECT
34
35 public:
37 : QObject( parent ) {}
38
42 virtual int selectedFeatureCount() = 0;
43
47 virtual void select( const QgsFeatureIds &ids ) = 0;
48
52 virtual void deselect( const QgsFeatureIds &ids ) = 0;
53
62 virtual void setSelectedFeatures( const QgsFeatureIds &ids ) = 0;
63
70 virtual const QgsFeatureIds &selectedFeatureIds() const = 0;
71
72 signals:
73
81 void selectionChanged( const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect );
82};
83
84#endif // QGSIFEATURESELECTIONMANAGER_H
Is an interface class to abstract feature selection handling.
virtual void select(const QgsFeatureIds &ids)=0
Select features by feature ids.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
virtual int selectedFeatureCount()=0
Returns the number of features that are selected in this layer.
virtual const QgsFeatureIds & selectedFeatureIds() const =0
Returns reference to identifiers of selected features.
virtual void deselect(const QgsFeatureIds &ids)=0
Deselect features by feature ids.
virtual void setSelectedFeatures(const QgsFeatureIds &ids)=0
Change selection to the new set of features.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53
QSet< QgsFeatureId > QgsFeatureIds
Definition: qgsfeatureid.h:37