QGIS API Documentation  2.99.0-Master (c558d51)
qgsfieldcombobox.h
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1 /***************************************************************************
2  qgsfieldcombobox.h
3  --------------------------------------
4  Date : 01.04.2014
5  Copyright : (C) 2014 Denis Rouzaud
6  Email : [email protected]
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 QGSFIELDCOMBOBOX_H
17 #define QGSFIELDCOMBOBOX_H
18 
19 #include <QComboBox>
20 
21 #include "qgsfieldproxymodel.h"
22 
23 class QgsMapLayer;
24 class QgsVectorLayer;
25 
33 class GUI_EXPORT QgsFieldComboBox : public QComboBox
34 {
35  Q_OBJECT
36  Q_FLAGS( QgsFieldProxyModel::Filters )
37  Q_PROPERTY( QgsFieldProxyModel::Filters filters READ filters WRITE setFilters )
38  Q_PROPERTY( bool allowEmptyFieldName READ allowEmptyFieldName WRITE setAllowEmptyFieldName )
39 
40  public:
41 
46  explicit QgsFieldComboBox( QWidget *parent = nullptr );
47 
49  void setFilters( QgsFieldProxyModel::Filters filters );
50 
52  QgsFieldProxyModel::Filters filters() const { return mFieldProxyModel->filters(); }
53 
59  void setAllowEmptyFieldName( bool allowEmpty );
60 
66  bool allowEmptyFieldName() const;
67 
69  QString currentField() const;
70 
75  QgsVectorLayer* layer() const;
76 
77  signals:
79  void fieldChanged( const QString& fieldName );
80 
81  public slots:
82 
88  void setLayer( QgsMapLayer* layer );
89 
91  void setField( const QString& fieldName );
92 
93  protected slots:
94  void indexChanged( int i );
95 
96  private:
97  QgsFieldProxyModel* mFieldProxyModel;
98 };
99 
100 #endif // QGSFIELDCOMBOBOX_H
Base class for all map layer types.
Definition: qgsmaplayer.h:49
const Filters & filters() const
Returns the filters controlling displayed fields.
The QgsFieldComboBox is a combo box which displays the list of fields of a given layer.
The QgsFieldProxyModel class provides an easy to use model to display the list of fields of a layer...
Represents a vector layer which manages a vector based data sets.