25 , mMessageBar( messageBar )
26 , mIndeterminateState( false )
50 bool showForm =
config( QStringLiteral(
"ShowForm" ),
false ).toBool();
51 bool mapIdent =
config( QStringLiteral(
"MapIdentification" ),
false ).toBool();
52 bool readOnlyWidget =
config( QStringLiteral(
"ReadOnly" ),
false ).toBool();
53 bool orderByValue =
config( QStringLiteral(
"OrderByValue" ),
false ).toBool();
54 bool showOpenFormButton =
config( QStringLiteral(
"ShowOpenFormButton" ),
true ).toBool();
61 if (
config( QStringLiteral(
"FilterFields" ), QVariant() ).isValid() )
68 const QVariant relationName =
config( QStringLiteral(
"Relation" ) );
71 if ( relationName.isValid() )
91 mWidget->
setRelation( relation,
config( QStringLiteral(
"AllowNULL" ) ).toBool() );
99 return QVariant(
field().type() );
103 if ( fkeys.isEmpty() )
105 return QVariant(
field().type() );
110 Q_ASSERT( fieldPairs.count() == fkeys.count() );
111 for (
int i = 0; i < fieldPairs.count(); i++ )
113 if ( fieldPairs.at( i ).referencingField() ==
field().
name() )
114 return fkeys.at( i );
116 return QVariant(
field().type() );
131 mIndeterminateState =
true;
141 values << QVariant();
149 int fieldCount = std::min( fieldPairs.count(), values.count() );
150 for (
int i = 0; i < fieldCount; i++ )
152 if ( fieldPairs.at( i ).referencingField() ==
field().
name() )
154 values.removeAt( i );
165 return QStringList();
169 for (
int i = 0; i < fieldPairs.count(); i++ )
171 if ( fieldPairs.at( i ).referencingField() ==
field().
name() )
174 fields << fieldPairs.at( i ).referencingField();
179 void QgsRelationReferenceWidgetWrapper::updateValues(
const QVariant &val,
const QVariantList &additionalValues )
181 if ( !mWidget || ( !mIndeterminateState && val ==
value() && val.isNull() ==
value().isNull() ) )
184 mIndeterminateState =
false;
186 QVariantList values = additionalValues;
188 for (
int i = 0; i < fieldPairs.count(); i++ )
190 if ( fieldPairs.at( i ).referencingField() ==
field().
name() )
192 values.insert( i, val );
196 Q_ASSERT( values.count() == fieldPairs.count() );
210 void QgsRelationReferenceWidgetWrapper::foreignKeysChanged(
const QVariantList &values )
212 QVariant mainValue = QVariant(
field().type() );
223 QVariantList additionalValues = values;
225 for (
int i = 0; i < fieldPairs.count(); i++ )
227 if ( fieldPairs.at( i ).referencingField() ==
field().
name() )
228 mainValue = additionalValues.takeAt( i );
230 Q_ASSERT( additionalValues.count() == values.count() - 1 );
244 widget()->setStyleSheet( QString() );
251 mWidget->setStyleSheet( QString() );
255 mWidget->setStyleSheet( QStringLiteral(
".QComboBox { background-color: #dd7777; }" ) );
259 mWidget->setStyleSheet( QStringLiteral(
".QComboBox { background-color: #ffd85d; }" ) );
This class contains context information for attribute editor widgets.
#define Q_NOWARN_DEPRECATED_PUSH
A bar for displaying non-blocking messages to the user.
Map canvas is a class for displaying all GIS data types on a canvas.
QList< QgsRelation > referencingRelations(int idx) const
Returns the layer's relations, where the foreign key is on this layer.
const QgsRelation & relation() const
Returns the attribute relation.
QgsRelationManager relationManager
QList< QgsRelation::FieldPair > fieldPairs() const
Returns the field pairs which form this relation The first element of each pair are the field names o...
const QgsAttributeEditorContext * parentContext() const
#define Q_NOWARN_DEPRECATED_POP
static QgsProject * instance()
Returns the QgsProject singleton instance.
Q_INVOKABLE QgsRelation relation(const QString &id) const
Gets access to a relation by its id.
Represents a vector layer which manages a vector based data sets.