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Added old logic to handle displayed foreign key and update the UI and… #4428

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Added old logic to handle displayed foreign key and update the UI and… #4428

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30 changes: 25 additions & 5 deletions app/attributes/attributecontroller.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -129,13 +129,33 @@ void AttributeController::prefillRelationReferenceField()
{
QVariant foreignKey = mParentController->featureLayerPair().feature().attribute( fieldPair.referencedField() );
QString referencingField = fieldPair.referencingField();
const QgsVectorLayer *childLayer = mLinkedRelation.referencingLayer();
if ( childLayer )

// set the foreign key via FormItem, so that the UI and validation are updated
bool setViaFormItem = false;
QMap<QUuid, std::shared_ptr<FormItem>>::iterator formItemsIterator = mFormItems.begin();
while ( formItemsIterator != mFormItems.end() )
{
std::shared_ptr<FormItem> itemData = formItemsIterator.value();
if ( itemData->field().name() == referencingField )
{
setFormValue( itemData->id(), foreignKey );
setViaFormItem = true;
break;
}
++formItemsIterator;
}

// if the field is not in the displayed in the form, set the attribute directly on the feature
if ( !setViaFormItem )
{
const int fieldIndex = childLayer->fields().lookupField( referencingField );
if ( fieldIndex != -1 )
const QgsVectorLayer *childLayer = mLinkedRelation.referencingLayer();
if ( childLayer )
{
mFeatureLayerPair.featureRef().setAttribute( fieldIndex, foreignKey );
const int fieldIndex = childLayer->fields().lookupField( referencingField );
if ( fieldIndex != -1 )
{
mFeatureLayerPair.featureRef().setAttribute( fieldIndex, foreignKey );
}
}
}
}
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