31 connect( mAddFilterButton, &QToolButton::clicked,
this, &QgsRelationReferenceConfigDlg::mAddFilterButton_clicked );
32 connect( mRemoveFilterButton, &QToolButton::clicked,
this, &QgsRelationReferenceConfigDlg::mRemoveFilterButton_clicked );
34 mExpressionWidget->registerExpressionContextGenerator( vl );
36 connect( mComboRelation,
static_cast<void ( QComboBox::* )(
int )
>( &QComboBox::currentIndexChanged ),
this, &QgsRelationReferenceConfigDlg::relationChanged );
39 for (
const QgsRelation &relation : constReferencingRelations )
41 if ( relation.name().isEmpty() )
42 mComboRelation->addItem( QStringLiteral(
"%1 (%2)" ).arg( relation.id(), relation.referencedLayerId() ), relation.id() );
44 mComboRelation->addItem( QStringLiteral(
"%1 (%2)" ).arg( relation.name(), relation.referencedLayerId() ), relation.id() );
45 if (
auto *lReferencedLayer = relation.referencedLayer() )
47 mExpressionWidget->setField( lReferencedLayer->displayExpression() );
63 connect( mEditExpression, &QAbstractButton::clicked,
this, &QgsRelationReferenceConfigDlg::mEditExpression_clicked );
67 void QgsRelationReferenceConfigDlg::mEditExpression_clicked()
77 context.setHighlightedFunctions( QStringList() << QStringLiteral(
"current_value" ) << QStringLiteral(
"current_parent_value" ) );
78 context.setHighlightedVariables( QStringList() << QStringLiteral(
"current_geometry" )
79 << QStringLiteral(
"current_feature" )
80 << QStringLiteral(
"form_mode" )
81 << QStringLiteral(
"current_parent_geometry" )
82 << QStringLiteral(
"current_parent_feature" ) );
85 dlg.setWindowTitle( tr(
"Edit Filter Expression" ) );
87 if ( dlg.exec() == QDialog::Accepted )
89 mFilterExpression->setPlainText( dlg.expressionBuilder()->expressionText() );
95 mCbxAllowNull->setChecked(
config.value( QStringLiteral(
"AllowNULL" ),
false ).toBool() );
96 mCbxOrderByValue->setChecked(
config.value( QStringLiteral(
"OrderByValue" ),
false ).toBool() );
97 mCbxShowForm->setChecked(
config.value( QStringLiteral(
"ShowForm" ),
false ).toBool() );
98 mCbxShowOpenFormButton->setChecked(
config.value( QStringLiteral(
"ShowOpenFormButton" ),
true ).toBool() );
100 if (
config.contains( QStringLiteral(
"Relation" ) ) )
102 mComboRelation->setCurrentIndex( mComboRelation->findData(
config.value( QStringLiteral(
"Relation" ) ).toString() ) );
103 relationChanged( mComboRelation->currentIndex() );
106 mCbxMapIdentification->setChecked(
config.value( QStringLiteral(
"MapIdentification" ),
false ).toBool() );
107 mCbxAllowAddFeatures->setChecked(
config.value( QStringLiteral(
"AllowAddFeatures" ),
false ).toBool() );
108 mCbxReadOnly->setChecked(
config.value( QStringLiteral(
"ReadOnly" ),
false ).toBool() );
109 mFilterExpression->setPlainText(
config.value( QStringLiteral(
"FilterExpression" ) ).toString() );
111 if (
config.contains( QStringLiteral(
"FilterFields" ) ) )
113 mFilterGroupBox->setChecked(
true );
114 const auto constToStringList =
config.value(
"FilterFields" ).toStringList();
115 for (
const QString &fld : constToStringList )
117 addFilterField( fld );
120 mCbxChainFilters->setChecked(
config.value( QStringLiteral(
"ChainFilters" ) ).toBool() );
124 void QgsRelationReferenceConfigDlg::relationChanged(
int idx )
126 QString relName = mComboRelation->itemData( idx ).toString();
130 mExpressionWidget->setLayer( mReferencedLayer );
131 if ( mReferencedLayer )
134 mCbxMapIdentification->setEnabled( mReferencedLayer->
isSpatial() );
140 void QgsRelationReferenceConfigDlg::mAddFilterButton_clicked()
142 const auto constSelectedItems = mAvailableFieldsList->selectedItems();
143 for ( QListWidgetItem *item : constSelectedItems )
145 addFilterField( item );
149 void QgsRelationReferenceConfigDlg::mRemoveFilterButton_clicked()
151 const auto constSelectedItems = mFilterFieldsList->selectedItems();
152 for ( QListWidgetItem *item : constSelectedItems )
154 mFilterFieldsList->takeItem( indexFromListWidgetItem( item ) );
155 mAvailableFieldsList->addItem( item );
161 QVariantMap myConfig;
162 myConfig.insert( QStringLiteral(
"AllowNULL" ), mCbxAllowNull->isChecked() );
163 myConfig.insert( QStringLiteral(
"OrderByValue" ), mCbxOrderByValue->isChecked() );
164 myConfig.insert( QStringLiteral(
"ShowForm" ), mCbxShowForm->isChecked() );
165 myConfig.insert( QStringLiteral(
"ShowOpenFormButton" ), mCbxShowOpenFormButton->isChecked() );
166 myConfig.insert( QStringLiteral(
"MapIdentification" ), mCbxMapIdentification->isEnabled() && mCbxMapIdentification->isChecked() );
167 myConfig.insert( QStringLiteral(
"ReadOnly" ), mCbxReadOnly->isChecked() );
168 myConfig.insert( QStringLiteral(
"Relation" ), mComboRelation->currentData() );
169 myConfig.insert( QStringLiteral(
"AllowAddFeatures" ), mCbxAllowAddFeatures->isChecked() );
171 if ( mFilterGroupBox->isChecked() )
173 QStringList filterFields;
174 filterFields.reserve( mFilterFieldsList->count() );
175 for (
int i = 0; i < mFilterFieldsList->count(); i++ )
177 filterFields << mFilterFieldsList->item( i )->data( Qt::UserRole ).toString();
179 myConfig.insert( QStringLiteral(
"FilterFields" ), filterFields );
181 myConfig.insert( QStringLiteral(
"ChainFilters" ), mCbxChainFilters->isChecked() );
182 myConfig.insert( QStringLiteral(
"FilterExpression" ), mFilterExpression->toPlainText() );
185 if ( mReferencedLayer )
188 myConfig.insert( QStringLiteral(
"ReferencedLayerDataSource" ), mReferencedLayer->
publicSource() );
189 myConfig.insert( QStringLiteral(
"ReferencedLayerProviderKey" ), mReferencedLayer->
providerType() );
190 myConfig.insert( QStringLiteral(
"ReferencedLayerId" ), mReferencedLayer->
id() );
191 myConfig.insert( QStringLiteral(
"ReferencedLayerName" ), mReferencedLayer->
name() );
198 void QgsRelationReferenceConfigDlg::loadFields()
200 mAvailableFieldsList->clear();
201 mFilterFieldsList->clear();
203 if ( mReferencedLayer )
207 for (
int i = 0; i < flds.
count(); i++ )
210 mAvailableFieldsList->item( mAvailableFieldsList->count() - 1 )->setData( Qt::UserRole, flds.
at( i ).
name() );
215 void QgsRelationReferenceConfigDlg::addFilterField(
const QString &
field )
217 for (
int i = 0; i < mAvailableFieldsList->count(); i++ )
219 if ( mAvailableFieldsList->item( i )->data( Qt::UserRole ).toString() ==
field )
221 addFilterField( mAvailableFieldsList->item( i ) );
227 void QgsRelationReferenceConfigDlg::addFilterField( QListWidgetItem *item )
229 mAvailableFieldsList->takeItem( indexFromListWidgetItem( item ) );
230 mFilterFieldsList->addItem( item );
233 int QgsRelationReferenceConfigDlg::indexFromListWidgetItem( QListWidgetItem *item )
235 QListWidget *lw = item->listWidget();
237 for (
int i = 0; i < lw->count(); i++ )
239 if ( lw->item( i ) == item )