QGIS API Documentation  3.17.0-Master (df2c9ff931)
qgsclassificationwidgetwrapper.h
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1 /***************************************************************************
2  qgsclassificationwidgetwrapper.h
3  --------------------------------------
4  Date : 5.1.2014
5  Copyright : (C) 2014 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 QGSCLASSIFICATIONWIDGETWRAPPER_H
17 #define QGSCLASSIFICATIONWIDGETWRAPPER_H
18 
19 #include "qgseditorwidgetwrapper.h"
20 
21 #include <QComboBox>
22 #include "qgis_gui.h"
23 
25 
33 {
34  Q_OBJECT
35  public:
36 
47  explicit QgsClassificationWidgetWrapper( QgsVectorLayer *layer, int fieldIdx, QWidget *editor = nullptr, QWidget *parent = nullptr );
48 
49  // QgsEditorWidgetWrapper interface
50  public:
51  QVariant value() const override;
52  void showIndeterminateState() override;
53 
54  protected:
55  QWidget *createWidget( QWidget *parent ) override;
56  void initWidget( QWidget *editor ) override;
57  bool valid() const override;
58 
59  private:
60  void updateValues( const QVariant &value, const QVariantList & = QVariantList() ) override;
61 
62  QComboBox *mComboBox = nullptr;
63 };
64 
65 #endif // QGSCLASSIFICATIONWIDGETWRAPPER_H
Manages an editor widget Widget and wrapper share the same parent.
virtual void showIndeterminateState()
Sets the widget to display in an indeterminate "mixed value" state.
virtual bool valid() const =0
Returns true if the widget has been properly initialized.
virtual QWidget * createWidget(QWidget *parent)=0
This method should create a new widget with the provided parent.
virtual void initWidget(QWidget *editor)
This method should initialize the editor widget with runtime data.
#define SIP_NO_FILE
Definition: qgis_sip.h:23
virtual QVariant value() const =0
Will be used to access the widget&#39;s value.
Represents a vector layer which manages a vector based data sets.