QGIS API Documentation  3.13.0-Master (b73bd58cfb)
qgsorderbydialog.h
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1 /***************************************************************************
2  qgsorderbydialog.h
3 
4  ---------------------
5  begin : 20.12.2015
6  copyright : (C) 2015 by Matthias Kuhn
7  email : [email protected]
8  ***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
11  * it under the terms of the GNU General Public License as published by *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16 
17 #ifndef QGSORDERBYDIALOG_H
18 #define QGSORDERBYDIALOG_H
19 
20 #include <QDialog>
21 #include "qgis_sip.h"
22 
23 #include "ui_qgsorderbydialogbase.h"
24 #include "qgsfeaturerequest.h"
25 #include "qgshelp.h"
26 #include "qgis_gui.h"
27 
28 class QgsVectorLayer;
29 
37 class GUI_EXPORT QgsOrderByDialog : public QDialog, private Ui::OrderByDialogBase
38 {
39  Q_OBJECT
40 
41  public:
42 
49  QgsOrderByDialog( QgsVectorLayer *layer, QWidget *parent SIP_TRANSFERTHIS = nullptr );
50 
54  void setOrderBy( const QgsFeatureRequest::OrderBy &orderBy );
55 
60 
61  protected:
62 
63  bool eventFilter( QObject *obj, QEvent *e ) override;
64 
65  private slots:
66  void onExpressionChanged( const QString &expression );
67  void showHelp();
68 
69  private:
70 
74  void setRow( int row, const QgsFeatureRequest::OrderByClause &orderByClause );
75 
76  QgsVectorLayer *mLayer = nullptr;
77 
78 };
79 
80 #endif // QGSORDERBYDIALOG_H
This is a dialog to build and manage a list of order by clauses.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53
The OrderByClause class represents an order by clause for a QgsFeatureRequest.
Represents a vector layer which manages a vector based data sets.
Represents a list of OrderByClauses, with the most important first and the least important last...