QGIS API Documentation  2.99.0-Master (b698612)
qgsexpressionselectiondialog.h
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1 /***************************************************************************
2  qgisexpressionselectiondialog.h
3  --------------------------------------
4  Date : 24.1.2013
5  Copyright : (C) 2013 by 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 QGSEXPRESSIONSELECTIONDIALOG_H
17 #define QGSEXPRESSIONSELECTIONDIALOG_H
18 
19 #include "ui_qgsexpressionselectiondialogbase.h"
20 #include "qgis.h"
21 
22 #include "qgsmapcanvas.h"
23 #include "qgsmessagebar.h"
24 
25 #include <QDialog>
26 #include "qgis_gui.h"
27 
34 class GUI_EXPORT QgsExpressionSelectionDialog : public QDialog, private Ui::QgsExpressionSelectionDialogBase
35 {
36  Q_OBJECT
37 
38  public:
39 
46  QgsExpressionSelectionDialog( QgsVectorLayer *layer, const QString &startText = QString(), QWidget *parent SIP_TRANSFERTHIS = 0 );
47 
52  QgsExpressionBuilderWidget *expressionBuilder();
53 
58  void setExpressionText( const QString &text );
59 
64  QString expressionText();
65 
69  void setGeomCalculator( const QgsDistanceArea &da );
70 
76  void setMessageBar( QgsMessageBar *messageBar );
77 
82  void setMapCanvas( QgsMapCanvas *canvas );
83 
84  private slots:
85  void on_mActionSelect_triggered();
86  void on_mActionAddToSelection_triggered();
87  void on_mActionRemoveFromSelection_triggered();
88  void on_mActionSelectIntersect_triggered();
89  void on_mButtonZoomToFeatures_clicked();
90  void on_mPbnClose_clicked();
91 
92  protected:
93 
99  virtual void closeEvent( QCloseEvent *closeEvent ) override;
100 
106  virtual void done( int r ) override;
107 
108  private:
109  void saveRecent();
110  QgsVectorLayer *mLayer = nullptr;
111  QgsMessageBar *mMessageBar = nullptr;
112  QgsMapCanvas *mMapCanvas = nullptr;
113 };
114 
115 #endif
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:34
A bar for displaying non-blocking messages to the user.
Definition: qgsmessagebar.h:44
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:73
This class offers a dialog to change feature selections.
A general purpose distance and area calculator, capable of performing ellipsoid based calculations...
A reusable widget that can be used to build a expression string.
Represents a vector layer which manages a vector based data sets.