QGIS/python/gui/editorwidgets/qgsvaluerelationsearchwidgetwrapper.sip
2016-12-20 01:20:08 +01:00

37 lines
1.1 KiB
Plaintext

/**
* Wraps a value relation 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.
*/
class QgsValueRelationSearchWidgetWrapper : QgsSearchWidgetWrapper
{
%TypeHeaderCode
#include <qgsvaluerelationsearchwidgetwrapper.h>
%End
public:
explicit QgsValueRelationSearchWidgetWrapper( QgsVectorLayer* vl, int fieldIdx, QWidget* parent /TransferThis/ = nullptr );
bool applyDirectly();
QString expression();
bool valid() const;
QVariant value() const;
FilterFlags supportedFlags() const;
FilterFlags defaultFlags() const;
virtual QString createExpression( FilterFlags flags ) const;
public slots:
virtual void clearWidget();
virtual void setEnabled( bool enabled );
protected:
QWidget* createWidget( QWidget* parent );
void initWidget( QWidget* editor );
protected slots:
void onValueChanged();
void setExpression( QString exp );
};