QgsRelationReferenceWidget::~QgsRelationReferenceWidget()
{
deleteHighlight();
unsetMapTool();
if ( mMapTool )
delete mMapTool;
}
void QgsRelationReferenceWidget::featureIdentified( const QgsFeature &feature )
{
if ( mReadOnlySelector )
{
QgsExpression expr( mReferencedLayer->displayExpression() );
QgsExpressionContext context( QgsExpressionContextUtils::globalProjectLayerScopes( mReferencedLayer ) );
context.setFeature( feature );
QString title = expr.evaluate( &context ).toString();
if ( expr.hasEvalError() )
{
title = feature.attribute( mReferencedFieldIdx ).toString();
}
mLineEdit->setText( title );
mForeignKey = feature.attribute( mReferencedFieldIdx );
mFeature = feature;
}
else
{
mComboBox->setCurrentIndex( mComboBox->findData( feature.attribute( mReferencedFieldIdx ), QgsFeatureFilterModel::Role::IdentifierValueRole ) );
mFeature = feature;
}
mRemoveFKButton->setEnabled( mIsEditable );
highlightFeature( feature );
updateAttributeEditorFrame( feature );
emit foreignKeyChanged( foreignKey() );
unsetMapTool();
}
void QgsRelationReferenceWidget::setRelationEditable( bool editable )
{
if ( !editable )
unsetMapTool();
mComboBox->setEnabled( editable );
mMapIdentificationButton->setEnabled( editable );
mRemoveFKButton->setEnabled( editable );
mIsEditable = editable;
}
