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qgsvaluemapsearchwidgetwrapper.h
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Date : 21.5.2015
Copyright : (C) 2015 Karolina Alexiou
Email : carolinegr at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSVALUEMAPSEARCHWIDGETWRAPPER_H
#define QGSVALUEMAPSEARCHWIDGETWRAPPER_H
#include "qgssearchwidgetwrapper.h"
#include <QComboBox>
/**
* Wraps a value map search widget. This widget will offer a combobox with values from another layer
* referenced by a foreign key (a constraint may be set but is not required on data level).
* It will be used as a search widget and produces expression to look for in the layer.
* \note not available in Python bindings
*/
class GUI_EXPORT QgsValueMapSearchWidgetWrapper : public QgsSearchWidgetWrapper
{
Q_OBJECT
public:
explicit QgsValueMapSearchWidgetWrapper( QgsVectorLayer* vl, int fieldIdx, QWidget* parent = nullptr );
bool applyDirectly() override;
QString expression() override;
bool valid() const override;
protected:
QWidget* createWidget( QWidget* parent ) override;
void initWidget( QWidget* editor ) override;
protected slots:
void setExpression( QString exp ) override;
private slots:
void comboBoxIndexChanged( int idx );
private:
QComboBox * mComboBox;
};
#endif // QGSVALUEMAPSEARCHWIDGETWRAPPER_H
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