93#include <QPainterPath>
95#include <QProgressDialog>
99#include <QStringBuilder>
101#include <QUndoCommand>
104#include <QRegularExpression>
121#ifdef TESTPROVIDERLIB
127 const QString &qmlStyle,
128 const QString &sldStyle,
129 const QString &styleName,
130 const QString &styleDescription,
131 const QString &uiFileContent,
145 QStringList &descriptions,
163 const QString &baseName,
164 const QString &providerKey,
170 , mAuxiliaryLayer( nullptr )
171 , mAuxiliaryLayerKey( QString() )
172 , mReadExtentFromXml( options.readExtentFromXml )
173 , mRefreshRendererTimer( new QTimer( this ) )
184 mGeometryOptions = std::make_unique<QgsGeometryOptions>();
188 mStoredExpressionManager->setParent(
this );
191 mJoinBuffer->setParent(
this );
196 if ( !vectorLayerPath.isEmpty() && !
mProviderKey.isEmpty() )
207 mDataSourceReadOnly =
true;
209 setDataSource( vectorLayerPath, baseName, providerKey, providerOptions, providerFlags );
212 for (
const QgsField &field : std::as_const( mFields ) )
214 if ( !mAttributeAliasMap.contains( field.name() ) )
215 mAttributeAliasMap.insert( field.name(), QString() );
221 if ( !mTemporalProperties->
isActive() )
246 connect( mRefreshRendererTimer, &QTimer::timeout,
this, [
this] {
triggerRepaint(
true ); } );
255 delete mDataProvider;
258 delete mExpressionFieldBuffer;
260 delete mDiagramLayerSettings;
261 delete mDiagramRenderer;
266 delete mConditionalStyles;
267 delete mStoredExpressionManager;
269 if ( mFeatureCounter )
270 mFeatureCounter->
cancel();
272 qDeleteAll( mRendererGenerators );
293 options.forceReadOnly = mDataSourceReadOnly;
300 layer->mXmlExtent2D = mXmlExtent2D;
301 layer->mLazyExtent2D = mLazyExtent2D;
302 layer->mValidExtent2D = mValidExtent2D;
303 layer->mXmlExtent3D = mXmlExtent3D;
304 layer->mLazyExtent3D = mLazyExtent3D;
305 layer->mValidExtent3D = mValidExtent3D;
307 QList<QgsVectorLayerJoinInfo> joins =
vectorJoins();
308 const auto constJoins = joins;
330 for (
const QgsAction &action : constActions )
367 auto constraintIt = constraints.constBegin();
368 for ( ; constraintIt != constraints.constEnd(); ++ constraintIt )
384 layer->mElevationProperties = mElevationProperties->
clone();
385 layer->mElevationProperties->setParent( layer );
387 layer->mSelectionProperties = mSelectionProperties->
clone();
388 layer->mSelectionProperties->setParent( layer );
420 return mDataProvider && mDataProvider->
isSqlQuery();
481 p.setPen( QColor( 50, 100, 120, 200 ) );
482 p.setBrush( QColor( 200, 200, 210, 120 ) );
483 p.drawEllipse( x - m, y - m, m * 2 + 1, m * 2 + 1 );
487 p.setPen( QColor( 255, 0, 0 ) );
488 p.drawLine( x - m, y + m, x + m, y - m );
489 p.drawLine( x - m, y - m, x + m, y + m );
501 mSelectedFeatureIds.insert( fid );
502 mPreviousSelectedFeatureIds.clear();
511 mSelectedFeatureIds.unite( featureIds );
512 mPreviousSelectedFeatureIds.clear();
521 mSelectedFeatureIds.remove( fid );
522 mPreviousSelectedFeatureIds.clear();
531 mSelectedFeatureIds.subtract( featureIds );
532 mPreviousSelectedFeatureIds.clear();
547 .setFilterRect( rect )
549 .setNoAttributes() );
554 newSelection << feat.
id();
567 std::optional< QgsExpressionContext > defaultContext;
571 context = &defaultContext.value();
590 newSelection << feat.
id();
612 bool matches = exp.
evaluate( context ).toBool();
616 newSelection << feat.
id();
620 newSelection << feat.
id();
641 newSelection = mSelectedFeatureIds + ids;
645 newSelection = mSelectedFeatureIds - ids;
649 newSelection = mSelectedFeatureIds.intersect( ids );
653 QgsFeatureIds deselectedFeatures = mSelectedFeatureIds - newSelection;
654 mSelectedFeatureIds = newSelection;
655 mPreviousSelectedFeatureIds.clear();
665 if ( !intersectingIds.isEmpty() )
667 QgsDebugMsgLevel( QStringLiteral(
"Trying to select and deselect the same item at the same time. Unsure what to do. Selecting dubious items." ), 3 );
670 mSelectedFeatureIds -= deselectIds;
671 mSelectedFeatureIds += selectIds;
672 mPreviousSelectedFeatureIds.clear();
682 ids.subtract( mSelectedFeatureIds );
701 .setFilterRect( rect )
703 .setNoAttributes() );
711 if ( mSelectedFeatureIds.contains( fet.
id() ) )
713 deselectIds << fet.
id();
717 selectIds << fet.
id();
728 if ( mSelectedFeatureIds.isEmpty() )
733 mPreviousSelectedFeatureIds = previous;
740 if ( mPreviousSelectedFeatureIds.isEmpty() || !mSelectedFeatureIds.empty() )
751 return mDataProvider;
759 return mDataProvider;
767 return mSelectionProperties;
774 return mTemporalProperties;
781 return mElevationProperties;
797 if (
isValid() && mDataProvider && mDataProvider->
encoding() != encoding )
808 delete mDiagramRenderer;
809 mDiagramRenderer = r;
833 if ( !
isValid() || !
isSpatial() || mSelectedFeatureIds.isEmpty() || !mDataProvider )
845 .setFilterFids( mSelectedFeatureIds )
846 .setNoAttributes() );
859 .setNoAttributes() );
863 if ( mSelectedFeatureIds.contains( fet.
id() ) )
874 if ( retval.
width() == 0.0 || retval.
height() == 0.0 )
883 retval.
set( -1.0, -1.0, 1.0, 1.0 );
895 return mLabelsEnabled &&
static_cast< bool >( mLabeling );
902 mLabelsEnabled = enabled;
910 if ( !mDiagramRenderer || !mDiagramLayerSettings )
913 QList<QgsDiagramSettings> settingList = mDiagramRenderer->
diagramSettings();
914 if ( !settingList.isEmpty() )
916 return settingList.at( 0 ).enabled;
925 if ( !mSymbolFeatureCounted )
928 return mSymbolFeatureCountMap.value( legendKey, -1 );
935 if ( !mSymbolFeatureCounted )
938 return mSymbolFeatureIdMap.value( legendKey,
QgsFeatureIds() );
944 if ( ( mSymbolFeatureCounted || mFeatureCounter ) && !( storeSymbolFids && mSymbolFeatureIdMap.isEmpty() ) )
945 return mFeatureCounter;
947 mSymbolFeatureCountMap.clear();
948 mSymbolFeatureIdMap.clear();
953 return mFeatureCounter;
955 if ( !mDataProvider )
958 return mFeatureCounter;
963 return mFeatureCounter;
966 if ( !mFeatureCounter || ( storeSymbolFids && mSymbolFeatureIdMap.isEmpty() ) )
969 connect( mFeatureCounter, &
QgsTask::taskCompleted,
this, &QgsVectorLayer::onFeatureCounterCompleted, Qt::UniqueConnection );
970 connect( mFeatureCounter, &
QgsTask::taskTerminated,
this, &QgsVectorLayer::onFeatureCounterTerminated, Qt::UniqueConnection );
974 return mFeatureCounter;
982 if ( force || !mReadExtentFromXml || ( mReadExtentFromXml && mXmlExtent2D.
isNull() && mXmlExtent3D.
isNull() ) )
984 mValidExtent2D =
false;
985 mValidExtent3D =
false;
994 mValidExtent2D =
true;
1002 mValidExtent3D =
true;
1009 if ( !mDefaultValueOnUpdateFields.isEmpty() )
1014 int size = mFields.
size();
1015 for (
int idx : std::as_const( mDefaultValueOnUpdateFields ) )
1017 if ( idx < 0 || idx >= size )
1040 updateExtent( mDataProvider->
extent() );
1041 mValidExtent2D =
true;
1042 mLazyExtent2D =
false;
1046 if ( !mValidExtent2D && mLazyExtent2D && mReadExtentFromXml && !mXmlExtent2D.
isNull() )
1048 updateExtent( mXmlExtent2D );
1049 mValidExtent2D =
true;
1050 mLazyExtent2D =
false;
1053 if ( !mValidExtent2D && mLazyExtent2D && mDataProvider && mDataProvider->
isValid() )
1056 updateExtent( mDataProvider->
extent() );
1057 mValidExtent2D =
true;
1058 mLazyExtent2D =
false;
1061 QgsDebugMsgLevel( QStringLiteral(
"2D Extent of layer: %1" ).arg( mExtent2D.toString() ), 3 );
1065 if ( mValidExtent2D )
1068 if ( !
isValid() || !mDataProvider )
1070 QgsDebugMsgLevel( QStringLiteral(
"invoked with invalid layer or null mDataProvider" ), 3 );
1074 if ( !mEditBuffer ||
1088 if ( mEditBuffer && !mDataProvider->
transaction() )
1091 for ( QgsFeatureMap::const_iterator it = addedFeatures.constBegin(); it != addedFeatures.constEnd(); ++it )
1093 if ( it->hasGeometry() )
1104 .setNoAttributes() );
1117 if ( rect.xMinimum() > rect.xMaximum() && rect.yMinimum() > rect.yMaximum() )
1123 updateExtent( rect );
1124 mValidExtent2D =
true;
1153 updateExtent( mDataProvider->
extent3D() );
1154 mValidExtent3D =
true;
1155 mLazyExtent3D =
false;
1159 if ( !mValidExtent3D && mLazyExtent3D && mReadExtentFromXml && !mXmlExtent3D.
isNull() )
1161 updateExtent( mXmlExtent3D );
1162 mValidExtent3D =
true;
1163 mLazyExtent3D =
false;
1166 if ( !mValidExtent3D && mLazyExtent3D && mDataProvider && mDataProvider->
isValid() )
1169 updateExtent( mDataProvider->
extent3D() );
1170 mValidExtent3D =
true;
1171 mLazyExtent3D =
false;
1174 QgsDebugMsgLevel( QStringLiteral(
"3D Extent of layer: %1" ).arg( mExtent3D.toString() ), 3 );
1178 if ( mValidExtent3D )
1181 if ( !
isValid() || !mDataProvider )
1183 QgsDebugMsgLevel( QStringLiteral(
"invoked with invalid layer or null mDataProvider" ), 3 );
1187 if ( !mEditBuffer ||
1198 extent.combineWith( ext );
1201 if ( mEditBuffer && !mDataProvider->
transaction() )
1204 for ( QgsFeatureMap::const_iterator it = addedFeatures.constBegin(); it != addedFeatures.constEnd(); ++it )
1206 if ( it->hasGeometry() )
1208 const QgsBox3D bbox = it->geometry().boundingBox3D();
1209 extent.combineWith( bbox );
1217 .setNoAttributes() );
1225 extent.combineWith( bb );
1237 mValidExtent3D =
true;
1263 if ( !
isValid() || !mDataProvider )
1265 QgsDebugMsgLevel( QStringLiteral(
"invoked with invalid layer or null mDataProvider" ), 3 );
1266 return customProperty( QStringLiteral(
"storedSubsetString" ) ).toString();
1275 if ( !
isValid() || !mDataProvider )
1277 QgsDebugMsgLevel( QStringLiteral(
"invoked with invalid layer or null mDataProvider or while editing" ), 3 );
1281 else if ( mEditBuffer )
1313 double maximumSimplificationScale = mSimplifyMethod.
maximumScale();
1316 return !( maximumSimplificationScale > 1 && renderContext.
rendererScale() <= maximumSimplificationScale );
1325 return mConditionalStyles;
1333 if ( !
isValid() || !mDataProvider )
1345 if ( feature.isValid() )
1346 return feature.geometry();
1355 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1359 if ( mGeometryOptions->isActive() )
1362 mGeometryOptions->apply( geom );
1366 bool success = mEditBuffer->
addFeature( feature );
1373 success = mJoinBuffer->
addFeature( feature );
1383 if ( !mEditBuffer || !mDataProvider )
1389 if ( currentFeature.
isValid() )
1391 bool hasChanged =
false;
1392 bool hasError =
false;
1404 QgsDebugMsgLevel( QStringLiteral(
"geometry of feature %1 could not be changed." ).arg( updatedFeature.
id() ), 3 );
1411 for (
int attr = 0; attr < fa.count(); ++attr )
1421 QgsDebugMsgLevel( QStringLiteral(
"attribute %1 of feature %2 could not be changed." ).arg( attr ).arg( updatedFeature.
id() ), 3 );
1426 if ( hasChanged && !mDefaultValueOnUpdateFields.isEmpty() && !skipDefaultValues )
1427 updateDefaultValues( updatedFeature.
id(), updatedFeature );
1433 QgsDebugMsgLevel( QStringLiteral(
"feature %1 could not be retrieved" ).arg( updatedFeature.
id() ), 3 );
1443 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1447 bool result = utils.
insertVertex( x, y, atFeatureId, beforeVertex );
1458 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1462 bool result = utils.
insertVertex( point, atFeatureId, beforeVertex );
1473 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1477 bool result = utils.
moveVertex( x, y, atFeatureId, atVertex );
1488 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1492 bool result = utils.
moveVertex( p, atFeatureId, atVertex );
1503 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1530 int count = mSelectedFeatureIds.size();
1543 *deletedCount = deleted;
1546 return deleted == count;
1549static const QgsPointSequence vectorPointXY2pointSequence(
const QVector<QgsPointXY> &points )
1552 pts.reserve( points.size() );
1553 QVector<QgsPointXY>::const_iterator it = points.constBegin();
1554 while ( it != points.constEnd() )
1565 return addRing( vectorPointXY2pointSequence( ring ), featureId );
1572 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1579 if ( !mSelectedFeatureIds.isEmpty() )
1581 result = utils.
addRing( ring, mSelectedFeatureIds, featureId );
1597 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1618 if ( !mSelectedFeatureIds.isEmpty() )
1620 result = utils.
addRing(
static_cast< QgsCurve *
>( ring->
clone() ), mSelectedFeatureIds, featureId );
1638 pts.reserve( points.size() );
1639 for ( QList<QgsPointXY>::const_iterator it = points.constBegin(); it != points.constEnd() ; ++it )
1646#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
1651 return addPart( vectorPointXY2pointSequence( points ) );
1659 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1664 if ( mSelectedFeatureIds.empty() )
1669 else if ( mSelectedFeatureIds.size() > 1 )
1687 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1692 if ( mSelectedFeatureIds.empty() )
1697 else if ( mSelectedFeatureIds.size() > 1 )
1716 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1731 return splitParts( vectorPointXY2pointSequence( splitLine ), topologicalEditing );
1738 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1742 return utils.
splitParts( splitLine, topologicalEditing );
1749 return splitFeatures( vectorPointXY2pointSequence( splitLine ), topologicalEditing );
1758 bool preserveCircular =
false;
1759 return splitFeatures( &splitLineString, topologyTestPoints, preserveCircular, topologicalEditing );
1766 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1770 return utils.
splitFeatures( curve, topologyTestPoints, preserveCircular, topologicalEditing );
1777 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1795 if ( !
isValid() || !mEditBuffer || !mDataProvider )
1806 if ( !
mValid || !mEditBuffer || !mDataProvider )
1831 if ( !
isValid() || !mDataProvider )
1865 if ( mDataProvider )
1881 if ( !mRenderer->
accept( visitor ) )
1885 if ( !mLabeling->
accept( visitor ) )
1898 QDomNode pkeyNode = layer_node.namedItem( QStringLiteral(
"provider" ) );
1900 if ( pkeyNode.isNull() )
1906 QDomElement pkeyElt = pkeyNode.toElement();
1916 else if (
mDataSource.contains( QLatin1String(
"dbname=" ) ) )
1925 const QDomElement elem = layer_node.toElement();
1939 if ( elem.hasAttribute( QStringLiteral(
"wkbType" ) ) )
1940 mWkbType =
qgsEnumKeyToValue( elem.attribute( QStringLiteral(
"wkbType" ) ), mWkbType );
1943 QDomElement pkeyElem = pkeyNode.toElement();
1944 if ( !pkeyElem.isNull() )
1946 QString encodingString = pkeyElem.attribute( QStringLiteral(
"encoding" ) );
1947 if ( mDataProvider && !encodingString.isEmpty() )
1954 mJoinBuffer->
readXml( layer_node );
1959 mSetLegendFromStyle =
false;
1969 QDomNode depsNode = layer_node.namedItem( QStringLiteral(
"dataDependencies" ) );
1970 QDomNodeList depsNodes = depsNode.childNodes();
1971 QSet<QgsMapLayerDependency> sources;
1972 for (
int i = 0; i < depsNodes.count(); i++ )
1974 QString
source = depsNodes.at( i ).toElement().attribute( QStringLiteral(
"id" ) );
1979 if ( !mSetLegendFromStyle )
1985 mReadExtentFromXml =
true;
1987 if ( mReadExtentFromXml )
1989 const QDomNode extentNode = layer_node.namedItem( QStringLiteral(
"extent" ) );
1990 if ( !extentNode.isNull() )
1994 const QDomNode extent3DNode = layer_node.namedItem( QStringLiteral(
"extent3D" ) );
1995 if ( !extent3DNode.isNull() )
2002 const QDomNode asNode = layer_node.namedItem( QStringLiteral(
"auxiliaryLayer" ) );
2003 const QDomElement asElem = asNode.toElement();
2004 if ( !asElem.isNull() )
2006 mAuxiliaryLayerKey = asElem.attribute( QStringLiteral(
"key" ) );
2010 mServerProperties->readXml( layer_node );
2017void QgsVectorLayer::setDataSourcePrivate(
const QString &dataSource,
const QString &baseName,
const QString &provider,
2026 setDataProvider( provider, options,
flags );
2036 bool loadDefaultStyleFlag =
false;
2039 loadDefaultStyleFlag =
true;
2045 std::unique_ptr< QgsScopedRuntimeProfile > profile;
2047 profile = std::make_unique< QgsScopedRuntimeProfile >( tr(
"Load layer style" ), QStringLiteral(
"projectload" ) );
2049 bool defaultLoadedFlag =
false;
2057 mSetLegendFromStyle =
false;
2062 if ( !defaultLoadedFlag && loadDefaultStyleFlag )
2070 std::unique_ptr< QgsFeatureRenderer > defaultRenderer( mDataProvider->
createRenderer() );
2071 if ( defaultRenderer )
2073 defaultLoadedFlag =
true;
2079 if ( !defaultLoadedFlag )
2085 if ( !mSetLegendFromStyle )
2090 std::unique_ptr< QgsAbstractVectorLayerLabeling > defaultLabeling( mDataProvider->
createLabeling() );
2091 if ( defaultLabeling )
2098 styleChangedSignalBlocker.release();
2115 QStringList ids, names, descriptions;
2116 QString errorMessage;
2118 const int relatedStylesCount {
listStylesInDatabase( ids, names, descriptions, errorMessage ) };
2119 Q_ASSERT( ids.count() == names.count() );
2120 const QString currentStyleName { mStyleManager->currentStyle() };
2121 for (
int i = 0; i < relatedStylesCount; ++i )
2123 if ( names.at( i ) == currentStyleName )
2127 errorMessage.clear();
2129 if ( ! styleXml.isEmpty() && errorMessage.isEmpty() )
2135 QgsDebugMsgLevel( QStringLiteral(
"Error retrieving style %1 from DB: %2" ).arg( ids.at( i ), errorMessage ), 2 );
2145 std::unique_ptr< QgsFeatureRenderer > defaultRenderer( mDataProvider->
createRenderer() );
2146 if ( defaultRenderer )
2162 delete mDataProvider;
2169 if ( provider.compare( QLatin1String(
"postgres" ) ) == 0 )
2171 const QString checkUnicityKey { QStringLiteral(
"checkPrimaryKeyUnicity" ) };
2173 if ( ! uri.hasParam( checkUnicityKey ) )
2175 uri.setParam( checkUnicityKey, mReadExtentFromXml ?
"0" :
"1" );
2180 std::unique_ptr< QgsScopedRuntimeProfile > profile;
2182 profile = std::make_unique< QgsScopedRuntimeProfile >( tr(
"Create %1 provider" ).arg( provider ), QStringLiteral(
"projectload" ) );
2185 mDataProvider = qobject_cast< QgsVectorDataProvider * >(
mPreloadedProvider.release() );
2189 if ( !mDataProvider )
2196 mDataProvider->setParent(
this );
2199 QgsDebugMsgLevel( QStringLiteral(
"Instantiated the data provider plugin" ), 2 );
2209 profile->switchTask( tr(
"Read layer metadata" ) );
2216 newMetadata.
combine( &mMetadata );
2219 QgsDebugMsgLevel( QStringLiteral(
"Set Data provider QgsLayerMetadata identifier[%1]" ).arg(
metadata().identifier() ), 4 );
2226 mWkbType = mDataProvider->
wkbType();
2231 for (
const QgsField &field : providerFields )
2234 if ( !field.editorWidgetSetup().isNull() && mFieldWidgetSetups.value( field.name() ).isNull() )
2236 mFieldWidgetSetups[ field.name() ] = field.editorWidgetSetup();
2238 if ( !field.alias().isEmpty() && mAttributeAliasMap.value( field.name() ).isEmpty() )
2240 mAttributeAliasMap[ field.name() ] = field.alias();
2242 if ( !mAttributeSplitPolicy.contains( field.name() ) )
2244 mAttributeSplitPolicy[ field.name() ] = field.splitPolicy();
2246 if ( !mAttributeDuplicatePolicy.contains( field.name() ) )
2248 mAttributeDuplicatePolicy[ field.name() ] = field.duplicatePolicy();
2253 profile->switchTask( tr(
"Read layer fields" ) );
2264 const thread_local QRegularExpression reg( R
"lit("[^"]+"\."([^"] + )"( \([^)]+\))?)lit" );
2265 const QRegularExpressionMatch match = reg.match(
name() );
2266 if ( match.hasMatch() )
2268 QStringList stuff = match.capturedTexts();
2269 QString lName = stuff[1];
2273 QMap<QString, QgsMapLayer *>::const_iterator it;
2274 for ( it = layers.constBegin(); it != layers.constEnd() && ( *it )->name() != lName; ++it )
2277 if ( it != layers.constEnd() && stuff.size() > 2 )
2279 lName +=
'.' + stuff[2].mid( 2, stuff[2].length() - 3 );
2282 if ( !lName.isEmpty() )
2292 else if ( provider == QLatin1String(
"ogr" ) )
2296 if (
mDataSource.right( 10 ) == QLatin1String(
"|layerid=0" ) )
2299 else if ( provider == QLatin1String(
"memory" ) )
2304 else if ( provider == QLatin1String(
"hana" ) )
2321 QDomDocument &document,
2328 QDomElement mapLayerNode = layer_node.toElement();
2330 if ( mapLayerNode.isNull() || (
"maplayer" != mapLayerNode.nodeName() ) )
2343 if ( mDataProvider )
2345 QDomElement provider = document.createElement( QStringLiteral(
"provider" ) );
2346 provider.setAttribute( QStringLiteral(
"encoding" ), mDataProvider->
encoding() );
2347 QDomText providerText = document.createTextNode(
providerType() );
2348 provider.appendChild( providerText );
2349 layer_node.appendChild( provider );
2353 mJoinBuffer->
writeXml( layer_node, document );
2356 QDomElement dependenciesElement = document.createElement( QStringLiteral(
"layerDependencies" ) );
2362 QDomElement depElem = document.createElement( QStringLiteral(
"layer" ) );
2363 depElem.setAttribute( QStringLiteral(
"id" ), dep.layerId() );
2364 dependenciesElement.appendChild( depElem );
2366 layer_node.appendChild( dependenciesElement );
2369 QDomElement dataDependenciesElement = document.createElement( QStringLiteral(
"dataDependencies" ) );
2374 QDomElement depElem = document.createElement( QStringLiteral(
"layer" ) );
2375 depElem.setAttribute( QStringLiteral(
"id" ), dep.layerId() );
2376 dataDependenciesElement.appendChild( depElem );
2378 layer_node.appendChild( dataDependenciesElement );
2381 mExpressionFieldBuffer->
writeXml( layer_node, document );
2386 QDomElement asElem = document.createElement( QStringLiteral(
"auxiliaryLayer" ) );
2387 if ( mAuxiliaryLayer )
2389 const QString pkField = mAuxiliaryLayer->joinInfo().targetFieldName();
2390 asElem.setAttribute( QStringLiteral(
"key" ), pkField );
2392 layer_node.appendChild( asElem );
2395 mServerProperties->writeXml( layer_node, document );
2399 return writeSymbology( layer_node, document, errorMsg, context );
2438 if ( categories.testFlag(
Fields ) )
2440 if ( !mExpressionFieldBuffer )
2442 mExpressionFieldBuffer->
readXml( layerNode );
2452 QDomNodeList referencedLayersNodeList = layerNode.toElement().elementsByTagName( QStringLiteral(
"referencedLayers" ) );
2453 if ( referencedLayersNodeList.size() > 0 )
2455 const QDomNodeList relationNodes { referencedLayersNodeList.at( 0 ).childNodes() };
2456 for (
int i = 0; i < relationNodes.length(); ++i )
2458 const QDomElement relationElement = relationNodes.at( i ).toElement();
2465 QDomNodeList referencingLayersNodeList = layerNode.toElement().elementsByTagName( QStringLiteral(
"referencingLayers" ) );
2466 if ( referencingLayersNodeList.size() > 0 )
2468 const QDomNodeList relationNodes { referencingLayersNodeList.at( 0 ).childNodes() };
2469 for (
int i = 0; i < relationNodes.length(); ++i )
2471 const QDomElement relationElement = relationNodes.at( i ).toElement();
2477 QDomElement layerElement = layerNode.toElement();
2481 readStyle( layerNode, errorMessage, context, categories );
2483 if ( categories.testFlag(
MapTips ) )
2485 QDomElement mapTipElem = layerNode.namedItem( QStringLiteral(
"mapTip" ) ).toElement();
2487 setMapTipsEnabled( mapTipElem.attribute( QStringLiteral(
"enabled" ), QStringLiteral(
"1" ) ).toInt() == 1 );
2491 mDisplayExpression = layerNode.namedItem( QStringLiteral(
"previewExpression" ) ).toElement().text();
2494 QString
displayField = layerNode.namedItem( QStringLiteral(
"displayfield" ) ).toElement().text();
2498 if ( mMapTipTemplate.isEmpty() && categories.testFlag(
MapTips ) )
2508 if ( categories.testFlag(
Actions ) )
2509 mActions->
readXml( layerNode );
2511 if ( categories.testFlag(
Fields ) )
2516 QDomNode aliasesNode = layerNode.namedItem( QStringLiteral(
"aliases" ) );
2517 if ( !aliasesNode.isNull() )
2519 QDomElement aliasElem;
2521 QDomNodeList aliasNodeList = aliasesNode.toElement().elementsByTagName( QStringLiteral(
"alias" ) );
2522 for (
int i = 0; i < aliasNodeList.size(); ++i )
2524 aliasElem = aliasNodeList.at( i ).toElement();
2527 if ( aliasElem.hasAttribute( QStringLiteral(
"field" ) ) )
2529 field = aliasElem.attribute( QStringLiteral(
"field" ) );
2533 int index = aliasElem.attribute( QStringLiteral(
"index" ) ).toInt();
2535 if ( index >= 0 && index <
fields().count() )
2541 if ( !aliasElem.attribute( QStringLiteral(
"name" ) ).isEmpty() )
2544 alias = context.
projectTranslator()->
translate( QStringLiteral(
"project:layers:%1:fieldaliases" ).arg( layerNode.namedItem( QStringLiteral(
"id" ) ).toElement().text() ), aliasElem.attribute( QStringLiteral(
"name" ) ) );
2545 QgsDebugMsgLevel(
"context" + QStringLiteral(
"project:layers:%1:fieldaliases" ).arg( layerNode.namedItem( QStringLiteral(
"id" ) ).toElement().text() ) +
" source " + aliasElem.attribute( QStringLiteral(
"name" ) ), 3 );
2550 alias = context.
projectTranslator()->
translate( QStringLiteral(
"project:layers:%1:fieldaliases" ).arg( layerNode.namedItem( QStringLiteral(
"id" ) ).toElement().text() ), field );
2551 QgsDebugMsgLevel(
"context" + QStringLiteral(
"project:layers:%1:fieldaliases" ).arg( layerNode.namedItem( QStringLiteral(
"id" ) ).toElement().text() ) +
" source " + field, 3 );
2553 if ( alias == aliasElem.attribute( QStringLiteral(
"field" ) ) )
2557 QgsDebugMsgLevel(
"field " + field +
" origalias " + aliasElem.attribute( QStringLiteral(
"name" ) ) +
" trans " + alias, 3 );
2558 mAttributeAliasMap.insert( field, alias );
2565 const QDomNode splitPoliciesNode = layerNode.namedItem( QStringLiteral(
"splitPolicies" ) );
2566 if ( !splitPoliciesNode.isNull() )
2568 const QDomNodeList splitPolicyNodeList = splitPoliciesNode.toElement().elementsByTagName( QStringLiteral(
"policy" ) );
2569 for (
int i = 0; i < splitPolicyNodeList.size(); ++i )
2571 const QDomElement splitPolicyElem = splitPolicyNodeList.at( i ).toElement();
2572 const QString field = splitPolicyElem.attribute( QStringLiteral(
"field" ) );
2574 mAttributeSplitPolicy.insert( field, policy );
2579 mAttributeDuplicatePolicy.clear();
2580 const QDomNode duplicatePoliciesNode = layerNode.namedItem( QStringLiteral(
"duplicatePolicies" ) );
2581 if ( !duplicatePoliciesNode.isNull() )
2583 const QDomNodeList duplicatePolicyNodeList = duplicatePoliciesNode.toElement().elementsByTagName( QStringLiteral(
"policy" ) );
2584 for (
int i = 0; i < duplicatePolicyNodeList.size(); ++i )
2586 const QDomElement duplicatePolicyElem = duplicatePolicyNodeList.at( i ).toElement();
2587 const QString field = duplicatePolicyElem.attribute( QStringLiteral(
"field" ) );
2589 mAttributeDuplicatePolicy.insert( field, policy );
2594 mDefaultExpressionMap.clear();
2595 QDomNode defaultsNode = layerNode.namedItem( QStringLiteral(
"defaults" ) );
2596 if ( !defaultsNode.isNull() )
2598 QDomNodeList defaultNodeList = defaultsNode.toElement().elementsByTagName( QStringLiteral(
"default" ) );
2599 for (
int i = 0; i < defaultNodeList.size(); ++i )
2601 QDomElement defaultElem = defaultNodeList.at( i ).toElement();
2603 QString field = defaultElem.attribute( QStringLiteral(
"field" ), QString() );
2604 QString expression = defaultElem.attribute( QStringLiteral(
"expression" ), QString() );
2605 bool applyOnUpdate = defaultElem.attribute( QStringLiteral(
"applyOnUpdate" ), QStringLiteral(
"0" ) ) == QLatin1String(
"1" );
2606 if ( field.isEmpty() || expression.isEmpty() )
2609 mDefaultExpressionMap.insert( field,
QgsDefaultValue( expression, applyOnUpdate ) );
2614 mFieldConstraints.clear();
2615 mFieldConstraintStrength.clear();
2616 QDomNode constraintsNode = layerNode.namedItem( QStringLiteral(
"constraints" ) );
2617 if ( !constraintsNode.isNull() )
2619 QDomNodeList constraintNodeList = constraintsNode.toElement().elementsByTagName( QStringLiteral(
"constraint" ) );
2620 for (
int i = 0; i < constraintNodeList.size(); ++i )
2622 QDomElement constraintElem = constraintNodeList.at( i ).toElement();
2624 QString field = constraintElem.attribute( QStringLiteral(
"field" ), QString() );
2625 int constraints = constraintElem.attribute( QStringLiteral(
"constraints" ), QStringLiteral(
"0" ) ).toInt();
2626 if ( field.isEmpty() || constraints == 0 )
2631 int uniqueStrength = constraintElem.attribute( QStringLiteral(
"unique_strength" ), QStringLiteral(
"1" ) ).toInt();
2632 int notNullStrength = constraintElem.attribute( QStringLiteral(
"notnull_strength" ), QStringLiteral(
"1" ) ).toInt();
2633 int expStrength = constraintElem.attribute( QStringLiteral(
"exp_strength" ), QStringLiteral(
"1" ) ).toInt();
2640 mFieldConstraintExpressions.clear();
2641 QDomNode constraintExpressionsNode = layerNode.namedItem( QStringLiteral(
"constraintExpressions" ) );
2642 if ( !constraintExpressionsNode.isNull() )
2644 QDomNodeList constraintNodeList = constraintExpressionsNode.toElement().elementsByTagName( QStringLiteral(
"constraint" ) );
2645 for (
int i = 0; i < constraintNodeList.size(); ++i )
2647 QDomElement constraintElem = constraintNodeList.at( i ).toElement();
2649 QString field = constraintElem.attribute( QStringLiteral(
"field" ), QString() );
2650 QString exp = constraintElem.attribute( QStringLiteral(
"exp" ), QString() );
2651 QString desc = constraintElem.attribute( QStringLiteral(
"desc" ), QString() );
2652 if ( field.isEmpty() || exp.isEmpty() )
2655 mFieldConstraintExpressions.insert( field, qMakePair( exp, desc ) );
2663 if ( categories.testFlag(
Fields ) || categories.testFlag(
Forms ) )
2667 QDomElement widgetsElem = layerNode.namedItem( QStringLiteral(
"fieldConfiguration" ) ).toElement();
2668 QDomNodeList fieldConfigurationElementList = widgetsElem.elementsByTagName( QStringLiteral(
"field" ) );
2669 for (
int i = 0; i < fieldConfigurationElementList.size(); ++i )
2671 const QDomElement fieldConfigElement = fieldConfigurationElementList.at( i ).toElement();
2672 const QDomElement fieldWidgetElement = fieldConfigElement.elementsByTagName( QStringLiteral(
"editWidget" ) ).at( 0 ).toElement();
2674 QString fieldName = fieldConfigElement.attribute( QStringLiteral(
"name" ) );
2676 if ( categories.testFlag(
Fields ) )
2680 if ( categories.testFlag(
Forms ) )
2682 const QString widgetType = fieldWidgetElement.attribute( QStringLiteral(
"type" ) );
2683 const QDomElement cfgElem = fieldConfigElement.elementsByTagName( QStringLiteral(
"config" ) ).at( 0 ).toElement();
2684 const QDomElement optionsElem = cfgElem.childNodes().at( 0 ).toElement();
2686 if ( widgetType == QLatin1String(
"ValueRelation" ) )
2688 optionsMap[ QStringLiteral(
"Value" ) ] = context.
projectTranslator()->
translate( QStringLiteral(
"project:layers:%1:fields:%2:valuerelationvalue" ).arg( layerNode.namedItem( QStringLiteral(
"id" ) ).toElement().text(), fieldName ), optionsMap[ QStringLiteral(
"Value" ) ].toString() );
2691 mFieldWidgetSetups[fieldName] = setup;
2698 if ( categories.testFlag(
Fields ) )
2700 const QList<QPair<QString, Qgis::FieldConfigurationFlag>> legacyConfig
2705 for (
const auto &config : legacyConfig )
2707 QDomNode excludeNode = layerNode.namedItem( config.first );
2708 if ( !excludeNode.isNull() )
2710 QDomNodeList attributeNodeList = excludeNode.toElement().elementsByTagName( QStringLiteral(
"attribute" ) );
2711 for (
int i = 0; i < attributeNodeList.size(); ++i )
2713 QString fieldName = attributeNodeList.at( i ).toElement().text();
2714 if ( !mFieldConfigurationFlags.contains( fieldName ) )
2715 mFieldConfigurationFlags[fieldName] = config.second;
2717 mFieldConfigurationFlags[fieldName].setFlag( config.second,
true );
2724 mGeometryOptions->readXml( layerNode.namedItem( QStringLiteral(
"geometryOptions" ) ) );
2726 if ( categories.testFlag(
Forms ) )
2727 mEditFormConfig.
readXml( layerNode, context );
2731 mAttributeTableConfig.
readXml( layerNode );
2732 mConditionalStyles->
readXml( layerNode, context );
2733 mStoredExpressionManager->
readXml( layerNode );
2739 QDomElement mapLayerNode = layerNode.toElement();
2741 && mapLayerNode.attribute( QStringLiteral(
"readOnly" ), QStringLiteral(
"0" ) ).toInt() == 1 )
2746 if ( categories.testFlag(
Legend ) )
2750 const QDomElement legendElem = layerNode.firstChildElement( QStringLiteral(
"legend" ) );
2751 if ( !legendElem.isNull() )
2756 mSetLegendFromStyle =
true;
2786 if ( !rendererElement.isNull() )
2804 if ( mSelectionProperties )
2805 mSelectionProperties->
readXml( node.toElement(), context );
2809 if ( categories.testFlag(
Labeling ) )
2813 QDomElement labelingElement = node.firstChildElement( QStringLiteral(
"labeling" ) );
2815 if ( labelingElement.isNull() ||
2816 ( labelingElement.attribute( QStringLiteral(
"type" ) ) == QLatin1String(
"simple" ) && labelingElement.firstChildElement( QStringLiteral(
"settings" ) ).isNull() ) )
2824 labeling = readLabelingFromCustomProperties();
2832 if ( node.toElement().hasAttribute( QStringLiteral(
"labelsEnabled" ) ) )
2833 mLabelsEnabled = node.toElement().attribute( QStringLiteral(
"labelsEnabled" ) ).toInt();
2835 mLabelsEnabled =
true;
2841 QDomNode blendModeNode = node.namedItem( QStringLiteral(
"blendMode" ) );
2842 if ( !blendModeNode.isNull() )
2844 QDomElement e = blendModeNode.toElement();
2849 QDomNode featureBlendModeNode = node.namedItem( QStringLiteral(
"featureBlendMode" ) );
2850 if ( !featureBlendModeNode.isNull() )
2852 QDomElement e = featureBlendModeNode.toElement();
2860 QDomNode layerTransparencyNode = node.namedItem( QStringLiteral(
"layerTransparency" ) );
2861 if ( !layerTransparencyNode.isNull() )
2863 QDomElement e = layerTransparencyNode.toElement();
2864 setOpacity( 1.0 - e.text().toInt() / 100.0 );
2866 QDomNode layerOpacityNode = node.namedItem( QStringLiteral(
"layerOpacity" ) );
2867 if ( !layerOpacityNode.isNull() )
2869 QDomElement e = layerOpacityNode.toElement();
2873 const bool hasScaleBasedVisibiliy { node.attributes().namedItem( QStringLiteral(
"hasScaleBasedVisibilityFlag" ) ).nodeValue() ==
'1' };
2876 const double maxScale { node.attributes().namedItem( QStringLiteral(
"maxScale" ) ).nodeValue().toDouble( &ok ) };
2881 const double minScale { node.attributes().namedItem( QStringLiteral(
"minScale" ) ).nodeValue().toDouble( &ok ) };
2887 QDomElement e = node.toElement();
2892 mSimplifyMethod.
setThreshold( e.attribute( QStringLiteral(
"simplifyDrawingTol" ), QStringLiteral(
"1" ) ).toFloat() );
2893 mSimplifyMethod.
setForceLocalOptimization( e.attribute( QStringLiteral(
"simplifyLocal" ), QStringLiteral(
"1" ) ).toInt() );
2894 mSimplifyMethod.
setMaximumScale( e.attribute( QStringLiteral(
"simplifyMaxScale" ), QStringLiteral(
"1" ) ).toFloat() );
2897 mRenderer->
setReferenceScale( e.attribute( QStringLiteral(
"symbologyReferenceScale" ), QStringLiteral(
"-1" ) ).toDouble() );
2901 if ( categories.testFlag(
Diagrams ) )
2905 delete mDiagramRenderer;
2906 mDiagramRenderer =
nullptr;
2907 QDomElement singleCatDiagramElem = node.firstChildElement( QStringLiteral(
"SingleCategoryDiagramRenderer" ) );
2908 if ( !singleCatDiagramElem.isNull() )
2911 mDiagramRenderer->
readXml( singleCatDiagramElem, context );
2913 QDomElement linearDiagramElem = node.firstChildElement( QStringLiteral(
"LinearlyInterpolatedDiagramRenderer" ) );
2914 if ( !linearDiagramElem.isNull() )
2916 if ( linearDiagramElem.hasAttribute( QStringLiteral(
"classificationAttribute" ) ) )
2919 int idx = linearDiagramElem.attribute( QStringLiteral(
"classificationAttribute" ) ).toInt();
2920 if ( idx >= 0 && idx < mFields.
count() )
2921 linearDiagramElem.setAttribute( QStringLiteral(
"classificationField" ), mFields.
at( idx ).
name() );
2925 mDiagramRenderer->
readXml( linearDiagramElem, context );
2927 QDomElement stackedDiagramElem = node.firstChildElement( QStringLiteral(
"StackedDiagramRenderer" ) );
2928 if ( !stackedDiagramElem.isNull() )
2931 mDiagramRenderer->
readXml( stackedDiagramElem, context );
2934 if ( mDiagramRenderer )
2936 QDomElement diagramSettingsElem = node.firstChildElement( QStringLiteral(
"DiagramLayerSettings" ) );
2937 if ( !diagramSettingsElem.isNull() )
2939 bool oldXPos = diagramSettingsElem.hasAttribute( QStringLiteral(
"xPosColumn" ) );
2940 bool oldYPos = diagramSettingsElem.hasAttribute( QStringLiteral(
"yPosColumn" ) );
2941 bool oldShow = diagramSettingsElem.hasAttribute( QStringLiteral(
"showColumn" ) );
2942 if ( oldXPos || oldYPos || oldShow )
2948 int xPosColumn = diagramSettingsElem.attribute( QStringLiteral(
"xPosColumn" ) ).toInt();
2949 if ( xPosColumn >= 0 && xPosColumn < mFields.
count() )
2954 int yPosColumn = diagramSettingsElem.attribute( QStringLiteral(
"yPosColumn" ) ).toInt();
2955 if ( yPosColumn >= 0 && yPosColumn < mFields.
count() )
2960 int showColumn = diagramSettingsElem.attribute( QStringLiteral(
"showColumn" ) ).toInt();
2961 if ( showColumn >= 0 && showColumn < mFields.
count() )
2964 QDomElement propertiesElem = diagramSettingsElem.ownerDocument().createElement( QStringLiteral(
"properties" ) );
2971 ddp.
writeXml( propertiesElem, defs );
2972 diagramSettingsElem.appendChild( propertiesElem );
2975 delete mDiagramLayerSettings;
2977 mDiagramLayerSettings->
readXml( diagramSettingsElem );
2983 styleChangedSignalBlocker.release();
2995 QDomElement layerElement = node.toElement();
2998 ( void )
writeStyle( node, doc, errorMessage, context, categories );
3001 mGeometryOptions->writeXml( node );
3006 if ( !legendElement.isNull() )
3007 node.appendChild( legendElement );
3016 QDomElement referencedLayersElement = doc.createElement( QStringLiteral(
"referencedLayers" ) );
3017 node.appendChild( referencedLayersElement );
3019 const QList<QgsRelation>
referencingRelations { p->relationManager()->referencingRelations(
this ) };
3022 switch ( rel.type() )
3033 QDomElement referencingLayersElement = doc.createElement( QStringLiteral(
"referencingLayers" ) );
3034 node.appendChild( referencedLayersElement );
3036 const QList<QgsRelation> referencedRelations { p->relationManager()->referencedRelations(
this ) };
3037 for (
const QgsRelation &rel : referencedRelations )
3039 switch ( rel.type() )
3052 if ( categories.testFlag(
Fields ) || categories.testFlag(
Forms ) )
3054 QDomElement fieldConfigurationElement;
3056 fieldConfigurationElement = doc.createElement( QStringLiteral(
"fieldConfiguration" ) );
3057 node.appendChild( fieldConfigurationElement );
3059 for (
const QgsField &field : std::as_const( mFields ) )
3061 QDomElement fieldElement = doc.createElement( QStringLiteral(
"field" ) );
3062 fieldElement.setAttribute( QStringLiteral(
"name" ), field.name() );
3063 fieldConfigurationElement.appendChild( fieldElement );
3065 if ( categories.testFlag(
Fields ) )
3067 fieldElement.setAttribute( QStringLiteral(
"configurationFlags" ),
qgsFlagValueToKeys( field.configurationFlags() ) );
3070 if ( categories.testFlag(
Forms ) )
3075 QDomElement editWidgetElement = doc.createElement( QStringLiteral(
"editWidget" ) );
3076 fieldElement.appendChild( editWidgetElement );
3077 editWidgetElement.setAttribute( QStringLiteral(
"type" ), field.editorWidgetSetup().type() );
3078 QDomElement editWidgetConfigElement = doc.createElement( QStringLiteral(
"config" ) );
3081 editWidgetElement.appendChild( editWidgetConfigElement );
3087 if ( categories.testFlag(
Fields ) )
3090 QDomElement aliasElem = doc.createElement( QStringLiteral(
"aliases" ) );
3091 for (
const QgsField &field : std::as_const( mFields ) )
3093 QDomElement aliasEntryElem = doc.createElement( QStringLiteral(
"alias" ) );
3094 aliasEntryElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3095 aliasEntryElem.setAttribute( QStringLiteral(
"index" ), mFields.
indexFromName( field.name() ) );
3096 aliasEntryElem.setAttribute( QStringLiteral(
"name" ), field.alias() );
3097 aliasElem.appendChild( aliasEntryElem );
3099 node.appendChild( aliasElem );
3103 QDomElement splitPoliciesElement = doc.createElement( QStringLiteral(
"splitPolicies" ) );
3104 for (
const QgsField &field : std::as_const( mFields ) )
3106 QDomElement splitPolicyElem = doc.createElement( QStringLiteral(
"policy" ) );
3107 splitPolicyElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3108 splitPolicyElem.setAttribute( QStringLiteral(
"policy" ),
qgsEnumValueToKey( field.splitPolicy() ) );
3109 splitPoliciesElement.appendChild( splitPolicyElem );
3111 node.appendChild( splitPoliciesElement );
3116 QDomElement duplicatePoliciesElement = doc.createElement( QStringLiteral(
"duplicatePolicies" ) );
3117 for (
const QgsField &field : std::as_const( mFields ) )
3119 QDomElement duplicatePolicyElem = doc.createElement( QStringLiteral(
"policy" ) );
3120 duplicatePolicyElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3121 duplicatePolicyElem.setAttribute( QStringLiteral(
"policy" ),
qgsEnumValueToKey( field.duplicatePolicy() ) );
3122 duplicatePoliciesElement.appendChild( duplicatePolicyElem );
3124 node.appendChild( duplicatePoliciesElement );
3128 QDomElement defaultsElem = doc.createElement( QStringLiteral(
"defaults" ) );
3129 for (
const QgsField &field : std::as_const( mFields ) )
3131 QDomElement defaultElem = doc.createElement( QStringLiteral(
"default" ) );
3132 defaultElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3133 defaultElem.setAttribute( QStringLiteral(
"expression" ), field.defaultValueDefinition().expression() );
3134 defaultElem.setAttribute( QStringLiteral(
"applyOnUpdate" ), field.defaultValueDefinition().applyOnUpdate() ? QStringLiteral(
"1" ) : QStringLiteral(
"0" ) );
3135 defaultsElem.appendChild( defaultElem );
3137 node.appendChild( defaultsElem );
3140 QDomElement constraintsElem = doc.createElement( QStringLiteral(
"constraints" ) );
3141 for (
const QgsField &field : std::as_const( mFields ) )
3143 QDomElement constraintElem = doc.createElement( QStringLiteral(
"constraint" ) );
3144 constraintElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3145 constraintElem.setAttribute( QStringLiteral(
"constraints" ), field.constraints().constraints() );
3150 constraintsElem.appendChild( constraintElem );
3152 node.appendChild( constraintsElem );
3155 QDomElement constraintExpressionsElem = doc.createElement( QStringLiteral(
"constraintExpressions" ) );
3156 for (
const QgsField &field : std::as_const( mFields ) )
3158 QDomElement constraintExpressionElem = doc.createElement( QStringLiteral(
"constraint" ) );
3159 constraintExpressionElem.setAttribute( QStringLiteral(
"field" ), field.name() );
3160 constraintExpressionElem.setAttribute( QStringLiteral(
"exp" ), field.constraints().constraintExpression() );
3161 constraintExpressionElem.setAttribute( QStringLiteral(
"desc" ), field.constraints().constraintDescription() );
3162 constraintExpressionsElem.appendChild( constraintExpressionElem );
3164 node.appendChild( constraintExpressionsElem );
3167 if ( !mExpressionFieldBuffer )
3175 mExpressionFieldBuffer->
writeXml( node, doc );
3180 if ( categories.testFlag(
Actions ) )
3185 mAttributeTableConfig.
writeXml( node );
3186 mConditionalStyles->
writeXml( node, doc, context );
3187 mStoredExpressionManager->
writeXml( node );
3190 if ( categories.testFlag(
Forms ) )
3191 mEditFormConfig.
writeXml( node, context );
3195 node.toElement().setAttribute( QStringLiteral(
"readOnly" ), mReadOnly );
3200 QDomElement prevExpElem = doc.createElement( QStringLiteral(
"previewExpression" ) );
3201 QDomText prevExpText = doc.createTextNode( mDisplayExpression );
3202 prevExpElem.appendChild( prevExpText );
3203 node.appendChild( prevExpElem );
3207 if ( categories.testFlag(
MapTips ) )
3209 QDomElement mapTipElem = doc.createElement( QStringLiteral(
"mapTip" ) );
3210 mapTipElem.setAttribute( QStringLiteral(
"enabled" ),
mapTipsEnabled() );
3211 QDomText mapTipText = doc.createTextNode( mMapTipTemplate );
3212 mapTipElem.appendChild( mapTipText );
3213 node.toElement().appendChild( mapTipElem );
3224 QDomElement mapLayerNode = node.toElement();
3237 QDomElement rendererElement = mRenderer->
save( doc, context );
3238 node.appendChild( rendererElement );
3240 if ( mSelectionProperties )
3242 mSelectionProperties->
writeXml( mapLayerNode, doc, context );
3246 if ( categories.testFlag(
Labeling ) )
3250 QDomElement labelingElement = mLabeling->
save( doc, context );
3251 node.appendChild( labelingElement );
3253 mapLayerNode.setAttribute( QStringLiteral(
"labelsEnabled" ), mLabelsEnabled ? QStringLiteral(
"1" ) : QStringLiteral(
"0" ) );
3259 mapLayerNode.setAttribute( QStringLiteral(
"simplifyDrawingHints" ), QString::number(
static_cast< int >( mSimplifyMethod.
simplifyHints() ) ) );
3260 mapLayerNode.setAttribute( QStringLiteral(
"simplifyAlgorithm" ), QString::number(
static_cast< int >( mSimplifyMethod.
simplifyAlgorithm() ) ) );
3261 mapLayerNode.setAttribute( QStringLiteral(
"simplifyDrawingTol" ), QString::number( mSimplifyMethod.
threshold() ) );
3262 mapLayerNode.setAttribute( QStringLiteral(
"simplifyLocal" ), mSimplifyMethod.
forceLocalOptimization() ? 1 : 0 );
3263 mapLayerNode.setAttribute( QStringLiteral(
"simplifyMaxScale" ), QString::number( mSimplifyMethod.
maximumScale() ) );
3275 QDomElement blendModeElem = doc.createElement( QStringLiteral(
"blendMode" ) );
3277 blendModeElem.appendChild( blendModeText );
3278 node.appendChild( blendModeElem );
3281 QDomElement featureBlendModeElem = doc.createElement( QStringLiteral(
"featureBlendMode" ) );
3283 featureBlendModeElem.appendChild( featureBlendModeText );
3284 node.appendChild( featureBlendModeElem );
3290 QDomElement layerOpacityElem = doc.createElement( QStringLiteral(
"layerOpacity" ) );
3291 QDomText layerOpacityText = doc.createTextNode( QString::number(
opacity() ) );
3292 layerOpacityElem.appendChild( layerOpacityText );
3293 node.appendChild( layerOpacityElem );
3294 mapLayerNode.setAttribute( QStringLiteral(
"hasScaleBasedVisibilityFlag" ),
hasScaleBasedVisibility() ? 1 : 0 );
3295 mapLayerNode.setAttribute( QStringLiteral(
"maxScale" ),
maximumScale() );
3296 mapLayerNode.setAttribute( QStringLiteral(
"minScale" ),
minimumScale() );
3298 mapLayerNode.setAttribute( QStringLiteral(
"symbologyReferenceScale" ), mRenderer ? mRenderer->
referenceScale() : -1 );
3301 if ( categories.testFlag(
Diagrams ) && mDiagramRenderer )
3303 mDiagramRenderer->
writeXml( mapLayerNode, doc, context );
3304 if ( mDiagramLayerSettings )
3305 mDiagramLayerSettings->
writeXml( mapLayerNode, doc );
3316 QDomElement nameElem = node.firstChildElement( QStringLiteral(
"Name" ) );
3317 if ( nameElem.isNull() )
3319 errorMessage = QStringLiteral(
"Warning: Name element not found within NamedLayer while it's required." );
3335 readSldLabeling( node );
3337 styleChangedSignalBlocker.release();
3347 Q_UNUSED( errorMessage )
3349 QVariantMap localProps = QVariantMap( props );
3358 QDomElement nameNode = doc.createElement( QStringLiteral(
"se:Name" ) );
3359 nameNode.appendChild( doc.createTextNode(
name() ) );
3360 node.appendChild( nameNode );
3362 QDomElement userStyleElem = doc.createElement( QStringLiteral(
"UserStyle" ) );
3363 node.appendChild( userStyleElem );
3365 QDomElement nameElem = doc.createElement( QStringLiteral(
"se:Name" ) );
3366 nameElem.appendChild( doc.createTextNode(
name() ) );
3368 userStyleElem.appendChild( nameElem );
3370 QDomElement featureTypeStyleElem = doc.createElement( QStringLiteral(
"se:FeatureTypeStyle" ) );
3371 userStyleElem.appendChild( featureTypeStyleElem );
3373 mRenderer->
toSld( doc, featureTypeStyleElem, localProps );
3376 mLabeling->
toSld( featureTypeStyleElem, localProps );
3387 if ( !mEditBuffer || !mDataProvider )
3392 if ( mGeometryOptions->isActive() )
3393 mGeometryOptions->apply( geom );
3402 if ( !skipDefaultValue && !mDefaultValueOnUpdateFields.isEmpty() )
3403 updateDefaultValues( fid );
3413 bool result =
false;
3415 switch (
fields().fieldOrigin( field ) )
3427 if ( mEditBuffer && mDataProvider )
3436 if ( result && !skipDefaultValues && !mDefaultValueOnUpdateFields.isEmpty() )
3454 for (
auto it = newValues.constBegin(); it != newValues.constEnd(); ++it )
3456 const int field = it.key();
3457 const QVariant newValue = it.value();
3460 if ( oldValues.contains( field ) )
3461 oldValue = oldValues[field];
3466 newValuesJoin[field] = newValue;
3467 oldValuesJoin[field] = oldValue;
3474 newValuesNotJoin[field] = newValue;
3475 oldValuesNotJoin[field] = oldValue;
3484 if ( ! newValuesJoin.isEmpty() && mJoinBuffer )
3489 if ( ! newValuesNotJoin.isEmpty() )
3491 if ( mEditBuffer && mDataProvider )
3497 if ( result && !skipDefaultValues && !mDefaultValueOnUpdateFields.isEmpty() )
3509 if ( !mEditBuffer || !mDataProvider )
3519 if ( attIndex < 0 || attIndex >=
fields().count() )
3523 mFields[ attIndex ].setAlias( QString() );
3524 if ( mAttributeAliasMap.contains(
name ) )
3526 mAttributeAliasMap.remove(
name );
3528 mEditFormConfig.setFields( mFields );
3537 if ( index < 0 || index >=
fields().count() )
3544 if ( mExpressionFieldBuffer )
3560 if ( !mEditBuffer || !mDataProvider )
3578 if ( attIndex < 0 || attIndex >=
fields().count() )
3583 mAttributeAliasMap.insert(
name, aliasString );
3584 mFields[ attIndex ].setAlias( aliasString );
3585 mEditFormConfig.setFields( mFields );
3593 if ( index < 0 || index >=
fields().count() )
3603 if ( index >= 0 && index < mFields.
count() )
3613 return mAttributeAliasMap;
3620 if ( index < 0 || index >=
fields().count() )
3625 mAttributeSplitPolicy.insert(
name, policy );
3626 mFields[ index ].setSplitPolicy( policy );
3627 mEditFormConfig.setFields( mFields );
3635 if ( index < 0 || index >=
fields().count() )
3640 mAttributeDuplicatePolicy.insert(
name, policy );
3641 mFields[ index ].setDuplicatePolicy( policy );
3642 mEditFormConfig.setFields( mFields );
3651 QSet<QString> excludeList;
3652 QMap< QString, Qgis::FieldConfigurationFlags >::const_iterator flagsIt = mFieldConfigurationFlags.constBegin();
3653 for ( ; flagsIt != mFieldConfigurationFlags.constEnd(); ++flagsIt )
3657 excludeList << flagsIt.key();
3667 QMap< QString, Qgis::FieldConfigurationFlags >::iterator flagsIt = mFieldConfigurationFlags.begin();
3668 for ( ; flagsIt != mFieldConfigurationFlags.end(); ++flagsIt )
3679 QSet<QString> excludeList;
3680 QMap< QString, Qgis::FieldConfigurationFlags >::const_iterator flagsIt = mFieldConfigurationFlags.constBegin();
3681 for ( ; flagsIt != mFieldConfigurationFlags.constEnd(); ++flagsIt )
3685 excludeList << flagsIt.key();
3695 QMap< QString, Qgis::FieldConfigurationFlags >::iterator flagsIt = mFieldConfigurationFlags.begin();
3696 for ( ; flagsIt != mFieldConfigurationFlags.end(); ++flagsIt )
3707 if ( index < 0 || index >=
fields().count() )
3716 if ( !mEditBuffer || !mDataProvider )
3726 bool deleted =
false;
3729 QList<int> attrList = qgis::setToList( qgis::listToSet( attrs ) );
3731 std::sort( attrList.begin(), attrList.end(), std::greater<int>() );
3733 for (
int attr : std::as_const( attrList ) )
3751 if ( context && context->
cascade )
3754 const bool hasRelationsOrJoins = !relations.empty() || mJoinBuffer->
containsJoins();
3755 if ( hasRelationsOrJoins )
3760 if ( handledFeatureIds.contains( fid ) )
3768 handledFeatureIds << fid;
3780 switch ( relation.strength() )
3788 while ( relatedFeaturesIt.
nextFeature( childFeature ) )
3790 childFeatureIds.insert( childFeature.
id() );
3792 if ( childFeatureIds.count() > 0 )
3794 relation.referencingLayer()->startEditing();
3795 relation.referencingLayer()->deleteFeatures( childFeatureIds, context );
3822 bool res = deleteFeatureCascade( fid, context );
3842 res = deleteFeatureCascade( fid, context ) && res;
3851 mSelectedFeatureIds.subtract( fids );
3871 if ( !mDataProvider )
3872 return pkAttributesList;
3875 for (
int i = 0; i < mFields.
count(); ++i )
3879 pkAttributesList << i;
3882 return pkAttributesList;
3889 if ( !mDataProvider )
3902 if ( mEditBuffer && !deletedFeatures.empty() )
3904 if ( addedFeatures.size() > deletedFeatures.size() )
3910 if ( ( !mEditBuffer || addedFeatures.empty() ) && mDataProvider && mDataProvider->
empty() )
3923 mCommitErrors.clear();
3925 if ( !mDataProvider )
3927 mCommitErrors << tr(
"ERROR: no provider" );
3933 mCommitErrors << tr(
"ERROR: layer not editable" );
3939 if ( !mAllowCommit )
3942 mCommitChangesActive =
true;
3944 bool success =
false;
3950 mCommitChangesActive =
false;
3952 if ( !mDeletedFids.empty() )
3955 mDeletedFids.clear();
4000 return mCommitErrors;
4015 if ( !mDataProvider )
4017 mCommitErrors << tr(
"ERROR: no provider" );
4043 mEditBuffer =
nullptr;
4048 if ( rollbackExtent )
4061 return mSelectedFeatureIds.size();
4069 return mSelectedFeatureIds;
4077 features.reserve( mSelectedFeatureIds.count() );
4084 features.push_back( f );
4094 if ( mSelectedFeatureIds.isEmpty() )
4100 if ( mSelectedFeatureIds.count() == 1 )
4101 request.
setFilterFid( *mSelectedFeatureIds.constBegin() );
4112 if ( !mEditBuffer || !mDataProvider )
4115 if ( mGeometryOptions->isActive() )
4117 for (
auto feature = features.begin(); feature != features.end(); ++feature )
4120 mGeometryOptions->apply( geom );
4147 if ( exp.isField() )
4170 if ( !mDisplayExpression.isEmpty() || mFields.
isEmpty() )
4172 return mDisplayExpression;
4177 if ( !candidateName.isEmpty() )
4200 return ( mEditBuffer && mDataProvider );
4212bool QgsVectorLayer::isReadOnly()
const
4216 return mDataSourceReadOnly || mReadOnly;
4224 if ( readonly && mEditBuffer )
4228 if ( !readonly && mDataSourceReadOnly )
4231 mReadOnly = readonly;
4240 if ( ! mDataProvider )
4243 if ( mDataSourceReadOnly )
4254 return mEditBuffer && mEditBuffer->
isModified();
4261 bool auxiliaryField =
false;
4265 return auxiliaryField;
4272 auxiliaryField =
true;
4275 return auxiliaryField;
4291 if ( r != mRenderer )
4295 mSymbolFeatureCounted =
false;
4296 mSymbolFeatureCountMap.clear();
4297 mSymbolFeatureIdMap.clear();
4302 if ( refreshRate <= 0 )
4304 mRefreshRendererTimer->stop();
4305 mRefreshRendererTimer->setInterval( 0 );
4309 mRefreshRendererTimer->setInterval( 1000 / refreshRate );
4310 mRefreshRendererTimer->start();
4325 mRendererGenerators << generator;
4333 for (
int i = mRendererGenerators.count() - 1; i >= 0; --i )
4335 if ( mRendererGenerators.at( i )->id() ==
id )
4337 delete mRendererGenerators.at( i );
4338 mRendererGenerators.removeAt( i );
4348 QList< const QgsFeatureRendererGenerator * > res;
4358 if ( !mDataProvider )
4364 QString ignoredError;
4368 mEditCommandActive =
true;
4376 if ( !mDataProvider )
4381 mEditCommandActive =
false;
4382 if ( !mDeletedFids.isEmpty() )
4386 mSelectedFeatureIds.subtract( mDeletedFids );
4389 mDeletedFids.clear();
4398 if ( !mDataProvider )
4409 std::unique_ptr< QUndoCommand > command = std::make_unique< QUndoCommand >();
4410 command->setObsolete(
true );
4413 mEditCommandActive =
false;
4414 mDeletedFids.clear();
4422 return mJoinBuffer->
addJoin( joinInfo );
4429 return mJoinBuffer->
removeJoin( joinLayerId );
4470 if ( oi < 0 || oi >= mExpressionFieldBuffer->
expressions().size() )
4473 return mExpressionFieldBuffer->
expressions().at( oi ).cachedExpression.expression();
4489 if ( !mDataProvider )
4494 mFields = mDataProvider->
fields();
4504 if ( mExpressionFieldBuffer )
4508 for (
auto aliasIt = mAttributeAliasMap.constBegin(); aliasIt != mAttributeAliasMap.constEnd(); ++aliasIt )
4514 mFields[ index ].setAlias( aliasIt.value() );
4517 for (
auto splitPolicyIt = mAttributeSplitPolicy.constBegin(); splitPolicyIt != mAttributeSplitPolicy.constEnd(); ++splitPolicyIt )
4519 int index = mFields.
lookupField( splitPolicyIt.key() );
4523 mFields[ index ].setSplitPolicy( splitPolicyIt.value() );
4526 for (
auto duplicatePolicyIt = mAttributeDuplicatePolicy.constBegin(); duplicatePolicyIt != mAttributeDuplicatePolicy.constEnd(); ++duplicatePolicyIt )
4528 int index = mFields.
lookupField( duplicatePolicyIt.key() );
4532 mFields[ index ].setDuplicatePolicy( duplicatePolicyIt.value() );
4536 QMap< QString, Qgis::FieldConfigurationFlags >::const_iterator flagsIt = mFieldConfigurationFlags.constBegin();
4537 for ( ; flagsIt != mFieldConfigurationFlags.constEnd(); ++flagsIt )
4543 mFields[index].setConfigurationFlags( flagsIt.value() );
4547 mDefaultValueOnUpdateFields.clear();
4548 QMap< QString, QgsDefaultValue >::const_iterator defaultIt = mDefaultExpressionMap.constBegin();
4549 for ( ; defaultIt != mDefaultExpressionMap.constEnd(); ++defaultIt )
4551 int index = mFields.
lookupField( defaultIt.key() );
4555 mFields[ index ].setDefaultValueDefinition( defaultIt.value() );
4556 if ( defaultIt.value().applyOnUpdate() )
4557 mDefaultValueOnUpdateFields.insert( index );
4560 QMap< QString, QgsFieldConstraints::Constraints >::const_iterator constraintIt = mFieldConstraints.constBegin();
4561 for ( ; constraintIt != mFieldConstraints.constEnd(); ++constraintIt )
4563 int index = mFields.
lookupField( constraintIt.key() );
4576 mFields[ index ].setConstraints( constraints );
4579 QMap< QString, QPair< QString, QString > >::const_iterator constraintExpIt = mFieldConstraintExpressions.constBegin();
4580 for ( ; constraintExpIt != mFieldConstraintExpressions.constEnd(); ++constraintExpIt )
4582 int index = mFields.
lookupField( constraintExpIt.key() );
4593 mFields[ index ].setConstraints( constraints );
4597 for ( ; constraintStrengthIt != mFieldConstraintStrength.constEnd(); ++constraintStrengthIt )
4599 int index = mFields.
lookupField( constraintStrengthIt.key().first );
4609 constraints.
setConstraintStrength( constraintStrengthIt.key().second, constraintStrengthIt.value() );
4610 mFields[ index ].setConstraints( constraints );
4613 auto fieldWidgetIterator = mFieldWidgetSetups.constBegin();
4614 for ( ; fieldWidgetIterator != mFieldWidgetSetups.constEnd(); ++ fieldWidgetIterator )
4616 int index = mFields.
indexOf( fieldWidgetIterator.key() );
4620 mFields[index].setEditorWidgetSetup( fieldWidgetIterator.value() );
4623 if ( oldFields != mFields )
4626 mEditFormConfig.setFields( mFields );
4635 if ( index < 0 || index >= mFields.
count() || !mDataProvider )
4639 if ( expression.isEmpty() )
4643 std::unique_ptr< QgsExpressionContext > tempContext;
4648 evalContext = tempContext.get();
4683 if ( index < 0 || index >= mFields.
count() )
4688 mDefaultExpressionMap.insert( mFields.
at( index ).
name(), definition );
4692 mDefaultExpressionMap.remove( mFields.
at( index ).
name() );
4701 if ( index < 0 || index >= mFields.
count() )
4712 if ( !mDataProvider )
4727 if ( mEditBuffer && ! mDataProvider->
transaction() )
4731 for (
const QVariant &v : constUniqueValues )
4733 vals << v.toString();
4737 QMapIterator< QgsFeatureId, QgsFeature > addedIt( added );
4738 while ( addedIt.hasNext() && ( limit < 0 ||
uniqueValues.count() < limit ) )
4741 QVariant v = addedIt.value().attribute( index );
4744 QString vs = v.toString();
4745 if ( !vals.contains( vs ) )
4754 while ( it.hasNext() && ( limit < 0 ||
uniqueValues.count() < limit ) )
4757 QVariant v = it.value().value( index );
4760 QString vs = v.toString();
4761 if ( !vals.contains( vs ) )
4794 .setSubsetOfAttributes( attList ) );
4797 QVariant currentValue;
4798 QHash<QString, QVariant> val;
4802 val.insert( currentValue.toString(), currentValue );
4803 if ( limit >= 0 && val.size() >= limit )
4809 return qgis::listToSet( val.values() );
4813 Q_ASSERT_X(
false,
"QgsVectorLayer::uniqueValues()",
"Unknown source of the field!" );
4821 QStringList results;
4822 if ( !mDataProvider )
4837 if ( mEditBuffer && ! mDataProvider->
transaction() )
4840 QMapIterator< QgsFeatureId, QgsFeature > addedIt( added );
4841 while ( addedIt.hasNext() && ( limit < 0 || results.count() < limit ) && ( !feedback || !feedback->
isCanceled() ) )
4844 QVariant v = addedIt.value().attribute( index );
4847 QString vs = v.toString();
4848 if ( vs.contains( substring, Qt::CaseInsensitive ) && !results.contains( vs ) )
4856 while ( it.hasNext() && ( limit < 0 || results.count() < limit ) && ( !feedback || !feedback->
isCanceled() ) )
4859 QVariant v = it.value().value( index );
4862 QString vs = v.toString();
4863 if ( vs.contains( substring, Qt::CaseInsensitive ) && !results.contains( vs ) )
4894 QString fieldName = mFields.
at( index ).
name();
4895 request.
setFilterExpression( QStringLiteral(
"\"%1\" ILIKE '%%2%'" ).arg( fieldName, substring ) );
4899 QString currentValue;
4902 currentValue = f.
attribute( index ).toString();
4903 if ( !results.contains( currentValue ) )
4904 results << currentValue;
4906 if ( ( limit >= 0 && results.size() >= limit ) || ( feedback && feedback->
isCanceled() ) )
4916 Q_ASSERT_X(
false,
"QgsVectorLayer::uniqueStringsMatching()",
"Unknown source of the field!" );
4925 minimumOrMaximumValue( index, &minimum,
nullptr );
4934 minimumOrMaximumValue( index,
nullptr, &maximum );
4942 minimumOrMaximumValue( index, &minimum, &maximum );
4945void QgsVectorLayer::minimumOrMaximumValue(
int index, QVariant *minimum, QVariant *maximum )
const
4950 *minimum = QVariant();
4952 *maximum = QVariant();
4954 if ( !mDataProvider )
4974 if ( mEditBuffer && ! mDataProvider->
transaction() )
4977 QMapIterator< QgsFeatureId, QgsFeature > addedIt( added );
4978 while ( addedIt.hasNext() )
4981 const QVariant v = addedIt.value().attribute( index );
4989 while ( it.hasNext() )
4992 const QVariant v = it.value().value( index );
5028 .setSubsetOfAttributes( attList ) );
5031 bool firstValue =
true;
5034 const QVariant currentValue = f.
attribute( index );
5041 *minimum = currentValue;
5043 *maximum = currentValue;
5048 if ( minimum && currentValue.isValid() &&
qgsVariantLessThan( currentValue, *minimum ) )
5049 *minimum = currentValue;
5051 *maximum = currentValue;
5058 Q_ASSERT_X(
false,
"QgsVectorLayer::minimumOrMaximumValue()",
"Unknown source of the field!" );
5061void QgsVectorLayer::createEditBuffer()
5097void QgsVectorLayer::clearEditBuffer()
5102 mEditBuffer =
nullptr;
5117 if ( !mDataProvider )
5120 *
error = tr(
"Layer is invalid" );
5126 if ( attrIndex >= 0 )
5133 bool providerOk =
false;
5134 QVariant val = mDataProvider->
aggregate(
aggregate, attrIndex, parameters, context, providerOk, fids );
5148 c.setFidsFilter( *fids );
5149 c.setParameters( parameters );
5150 bool aggregateOk =
false;
5151 const QVariant result =
c.calculate(
aggregate, fieldOrExpression, context, &aggregateOk, feedback );
5154 if ( !aggregateOk &&
error )
5177 return mFeatureBlendMode;
5180void QgsVectorLayer::readSldLabeling(
const QDomNode &node )
5187 QDomElement element = node.toElement();
5188 if ( element.isNull() )
5191 QDomElement userStyleElem = element.firstChildElement( QStringLiteral(
"UserStyle" ) );
5192 if ( userStyleElem.isNull() )
5194 QgsDebugMsgLevel( QStringLiteral(
"Info: UserStyle element not found." ), 4 );
5198 QDomElement featTypeStyleElem = userStyleElem.firstChildElement( QStringLiteral(
"FeatureTypeStyle" ) );
5199 if ( featTypeStyleElem.isNull() )
5201 QgsDebugMsgLevel( QStringLiteral(
"Info: FeatureTypeStyle element not found." ), 4 );
5206 QDomElement mergedFeatTypeStyle = featTypeStyleElem.cloneNode(
false ).toElement();
5211 bool needRuleBasedLabeling =
false;
5214 while ( !featTypeStyleElem.isNull() )
5216 QDomElement ruleElem = featTypeStyleElem.firstChildElement( QStringLiteral(
"Rule" ) );
5217 while ( !ruleElem.isNull() )
5221 bool hasTextSymbolizer =
false;
5222 bool hasRuleBased =
false;
5223 QDomElement ruleChildElem = ruleElem.firstChildElement();
5224 while ( !ruleChildElem.isNull() )
5227 if ( ruleChildElem.localName() == QLatin1String(
"Filter" ) ||
5228 ruleChildElem.localName() == QLatin1String(
"MinScaleDenominator" ) ||
5229 ruleChildElem.localName() == QLatin1String(
"MaxScaleDenominator" ) )
5231 hasRuleBased =
true;
5234 else if ( ruleChildElem.localName() == QLatin1String(
"TextSymbolizer" ) )
5236 QgsDebugMsgLevel( QStringLiteral(
"Info: TextSymbolizer element found" ), 4 );
5237 hasTextSymbolizer =
true;
5240 ruleChildElem = ruleChildElem.nextSiblingElement();
5243 if ( hasTextSymbolizer )
5248 mergedFeatTypeStyle.appendChild( ruleElem.cloneNode().toElement() );
5252 QgsDebugMsgLevel( QStringLiteral(
"Info: Filter or Min/MaxScaleDenominator element found: need a RuleBasedLabeling" ), 4 );
5253 needRuleBasedLabeling =
true;
5258 if ( ruleCount > 1 )
5260 QgsDebugMsgLevel( QStringLiteral(
"Info: More Rule elements found: need a RuleBasedLabeling" ), 4 );
5261 needRuleBasedLabeling =
true;
5265 if ( ruleCount == 0 )
5267 needRuleBasedLabeling =
false;
5270 ruleElem = ruleElem.nextSiblingElement( QStringLiteral(
"Rule" ) );
5272 featTypeStyleElem = featTypeStyleElem.nextSiblingElement( QStringLiteral(
"FeatureTypeStyle" ) );
5275 if ( ruleCount == 0 )
5277 QgsDebugMsgLevel( QStringLiteral(
"Info: No TextSymbolizer element." ), 4 );
5281 QDomElement ruleElem = mergedFeatTypeStyle.firstChildElement( QStringLiteral(
"Rule" ) );
5283 if ( needRuleBasedLabeling )
5287 while ( !ruleElem.isNull() )
5290 QString label, description, filterExp;
5291 int scaleMinDenom = 0, scaleMaxDenom = 0;
5295 QDomElement childElem = ruleElem.firstChildElement();
5296 while ( !childElem.isNull() )
5298 if ( childElem.localName() == QLatin1String(
"Name" ) )
5302 if ( label.isEmpty() )
5303 label = childElem.firstChild().nodeValue();
5305 else if ( childElem.localName() == QLatin1String(
"Description" ) )
5308 QDomElement titleElem = childElem.firstChildElement( QStringLiteral(
"Title" ) );
5309 if ( !titleElem.isNull() )
5311 label = titleElem.firstChild().nodeValue();
5314 QDomElement abstractElem = childElem.firstChildElement( QStringLiteral(
"Abstract" ) );
5315 if ( !abstractElem.isNull() )
5317 description = abstractElem.firstChild().nodeValue();
5320 else if ( childElem.localName() == QLatin1String(
"Abstract" ) )
5323 description = childElem.firstChild().nodeValue();
5325 else if ( childElem.localName() == QLatin1String(
"Title" ) )
5328 label = childElem.firstChild().nodeValue();
5330 else if ( childElem.localName() == QLatin1String(
"Filter" ) )
5346 else if ( childElem.localName() == QLatin1String(
"MinScaleDenominator" ) )
5349 int v = childElem.firstChild().nodeValue().toInt( &ok );
5353 else if ( childElem.localName() == QLatin1String(
"MaxScaleDenominator" ) )
5356 int v = childElem.firstChild().nodeValue().toInt( &ok );
5360 else if ( childElem.localName() == QLatin1String(
"TextSymbolizer" ) )
5362 readSldTextSymbolizer( childElem, settings );
5365 childElem = childElem.nextSiblingElement();
5371 ruleElem = ruleElem.nextSiblingElement();
5381 QDomElement textSymbolizerElem = ruleElem.firstChildElement( QStringLiteral(
"TextSymbolizer" ) );
5383 if ( readSldTextSymbolizer( textSymbolizerElem, s ) )
5391bool QgsVectorLayer::readSldTextSymbolizer(
const QDomNode &node,
QgsPalLayerSettings &settings )
const
5395 if ( node.localName() != QLatin1String(
"TextSymbolizer" ) )
5397 QgsDebugMsgLevel( QStringLiteral(
"Not a TextSymbolizer element: %1" ).arg( node.localName() ), 3 );
5400 QDomElement textSymbolizerElem = node.toElement();
5402 QDomElement labelElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"Label" ) );
5403 if ( !labelElem.isNull() )
5405 QDomElement propertyNameElem = labelElem.firstChildElement( QStringLiteral(
"PropertyName" ) );
5406 if ( !propertyNameElem.isNull() )
5411 QString labelAttribute = propertyNameElem.text();
5415 int fieldIndex = mFields.
lookupField( labelAttribute );
5416 if ( fieldIndex == -1 )
5432 QgsDebugMsgLevel( QStringLiteral(
"Info: PropertyName element not found." ), 4 );
5443 if ( textSymbolizerElem.hasAttribute( QStringLiteral(
"uom" ) ) )
5448 QString fontFamily = QStringLiteral(
"Sans-Serif" );
5449 int fontPointSize = 10;
5451 int fontWeight = -1;
5452 bool fontItalic =
false;
5453 bool fontUnderline =
false;
5456 QDomElement fontElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"Font" ) );
5457 if ( !fontElem.isNull() )
5460 for ( QgsStringMap::iterator it = fontSvgParams.begin(); it != fontSvgParams.end(); ++it )
5462 QgsDebugMsgLevel( QStringLiteral(
"found fontSvgParams %1: %2" ).arg( it.key(), it.value() ), 4 );
5464 if ( it.key() == QLatin1String(
"font-family" ) )
5466 fontFamily = it.value();
5468 else if ( it.key() == QLatin1String(
"font-style" ) )
5470 fontItalic = ( it.value() == QLatin1String(
"italic" ) ) || ( it.value() == QLatin1String(
"Italic" ) );
5472 else if ( it.key() == QLatin1String(
"font-size" ) )
5475 int fontSize = it.value().toInt( &ok );
5478 fontPointSize = fontSize;
5479 fontUnitSize = sldUnitSize;
5482 else if ( it.key() == QLatin1String(
"font-weight" ) )
5484 if ( ( it.value() == QLatin1String(
"bold" ) ) || ( it.value() == QLatin1String(
"Bold" ) ) )
5485 fontWeight = QFont::Bold;
5487 else if ( it.key() == QLatin1String(
"font-underline" ) )
5489 fontUnderline = ( it.value() == QLatin1String(
"underline" ) ) || ( it.value() == QLatin1String(
"Underline" ) );
5495 QFont font( fontFamily, fontPointSize, fontWeight, fontItalic );
5496 font.setUnderline( fontUnderline );
5498 format.
setSize( fontPointSize );
5502 QDomElement fillElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"Fill" ) );
5504 Qt::BrushStyle textBrush = Qt::SolidPattern;
5506 if ( textColor.isValid() )
5508 QgsDebugMsgLevel( QStringLiteral(
"Info: textColor %1." ).arg( QVariant( textColor ).toString() ), 4 );
5515 QDomElement haloElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"Halo" ) );
5516 if ( !haloElem.isNull() )
5521 QDomElement radiusElem = haloElem.firstChildElement( QStringLiteral(
"Radius" ) );
5522 if ( !radiusElem.isNull() )
5525 double bufferSize = radiusElem.text().toDouble( &ok );
5528 bufferSettings.
setSize( bufferSize );
5533 QDomElement haloFillElem = haloElem.firstChildElement( QStringLiteral(
"Fill" ) );
5535 Qt::BrushStyle bufferBrush = Qt::SolidPattern;
5537 if ( bufferColor.isValid() )
5539 QgsDebugMsgLevel( QStringLiteral(
"Info: bufferColor %1." ).arg( QVariant( bufferColor ).toString() ), 4 );
5540 bufferSettings.
setColor( bufferColor );
5545 QDomElement labelPlacementElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"LabelPlacement" ) );
5546 if ( !labelPlacementElem.isNull() )
5549 QDomElement pointPlacementElem = labelPlacementElem.firstChildElement( QStringLiteral(
"PointPlacement" ) );
5550 if ( !pointPlacementElem.isNull() )
5558 QDomElement displacementElem = pointPlacementElem.firstChildElement( QStringLiteral(
"Displacement" ) );
5559 if ( !displacementElem.isNull() )
5561 QDomElement displacementXElem = displacementElem.firstChildElement( QStringLiteral(
"DisplacementX" ) );
5562 if ( !displacementXElem.isNull() )
5565 double xOffset = displacementXElem.text().toDouble( &ok );
5572 QDomElement displacementYElem = displacementElem.firstChildElement( QStringLiteral(
"DisplacementY" ) );
5573 if ( !displacementYElem.isNull() )
5576 double yOffset = displacementYElem.text().toDouble( &ok );
5584 QDomElement anchorPointElem = pointPlacementElem.firstChildElement( QStringLiteral(
"AnchorPoint" ) );
5585 if ( !anchorPointElem.isNull() )
5587 QDomElement anchorPointXElem = anchorPointElem.firstChildElement( QStringLiteral(
"AnchorPointX" ) );
5588 if ( !anchorPointXElem.isNull() )
5591 double xOffset = anchorPointXElem.text().toDouble( &ok );
5598 QDomElement anchorPointYElem = anchorPointElem.firstChildElement( QStringLiteral(
"AnchorPointY" ) );
5599 if ( !anchorPointYElem.isNull() )
5602 double yOffset = anchorPointYElem.text().toDouble( &ok );
5611 QDomElement rotationElem = pointPlacementElem.firstChildElement( QStringLiteral(
"Rotation" ) );
5612 if ( !rotationElem.isNull() )
5615 double rotation = rotationElem.text().toDouble( &ok );
5625 QDomElement linePlacementElem = labelPlacementElem.firstChildElement( QStringLiteral(
"LinePlacement" ) );
5626 if ( !linePlacementElem.isNull() )
5635 QDomElement vendorOptionElem = textSymbolizerElem.firstChildElement( QStringLiteral(
"VendorOption" ) );
5636 while ( !vendorOptionElem.isNull() && vendorOptionElem.localName() == QLatin1String(
"VendorOption" ) )
5638 QString optionName = vendorOptionElem.attribute( QStringLiteral(
"name" ) );
5639 QString optionValue;
5640 if ( vendorOptionElem.firstChild().nodeType() == QDomNode::TextNode )
5642 optionValue = vendorOptionElem.firstChild().nodeValue();
5646 if ( vendorOptionElem.firstChild().nodeType() == QDomNode::ElementNode &&
5647 vendorOptionElem.firstChild().localName() == QLatin1String(
"Literal" ) )
5650 optionValue = vendorOptionElem.firstChild().firstChild().nodeValue();
5654 QgsDebugError( QStringLiteral(
"unexpected child of %1 named %2" ).arg( vendorOptionElem.localName(), optionName ) );
5658 if ( !optionName.isEmpty() && !optionValue.isEmpty() )
5660 vendorOptions[ optionName ] = optionValue;
5663 vendorOptionElem = vendorOptionElem.nextSiblingElement();
5665 if ( !vendorOptions.isEmpty() )
5667 for ( QgsStringMap::iterator it = vendorOptions.begin(); it != vendorOptions.end(); ++it )
5669 if ( it.key() == QLatin1String(
"underlineText" ) && it.value() == QLatin1String(
"true" ) )
5671 font.setUnderline(
true );
5674 else if ( it.key() == QLatin1String(
"strikethroughText" ) && it.value() == QLatin1String(
"true" ) )
5676 font.setStrikeOut(
true );
5679 else if ( it.key() == QLatin1String(
"maxDisplacement" ) )
5683 else if ( it.key() == QLatin1String(
"followLine" ) && it.value() == QLatin1String(
"true" ) )
5694 else if ( it.key() == QLatin1String(
"maxAngleDelta" ) )
5697 double angle = it.value().toDouble( &ok );
5705 else if ( it.key() == QLatin1String(
"conflictResolution" ) && it.value() == QLatin1String(
"false" ) )
5709 else if ( it.key() == QLatin1String(
"forceLeftToRight" ) && it.value() == QLatin1String(
"false" ) )
5713 else if ( it.key() == QLatin1String(
"group" ) && it.value() == QLatin1String(
"yes" ) )
5717 else if ( it.key() == QLatin1String(
"labelAllGroup" ) && it.value() == QLatin1String(
"true" ) )
5733 return mEditFormConfig;
5744 mEditFormConfig.onRelationsLoaded();
5754 if ( config.isEmpty() )
5790 if ( !mDiagramLayerSettings )
5792 *mDiagramLayerSettings = s;
5800 QString myMetadata = QStringLiteral(
"<html><head></head>\n<body>\n" );
5805 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Information from provider" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5806 myMetadata += QLatin1String(
"<table class=\"list-view\">\n" );
5811 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Storage" ) + QStringLiteral(
"</td><td>" ) +
storageType() + QStringLiteral(
"</td></tr>\n" );
5817 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Comment" ) + QStringLiteral(
"</td><td>" ) +
dataComment() + QStringLiteral(
"</td></tr>\n" );
5823 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Encoding" ) + QStringLiteral(
"</td><td>" ) + provider->encoding() + QStringLiteral(
"</td></tr>\n" );
5824 myMetadata += provider->htmlMetadata();
5839 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Geometry" ) + QStringLiteral(
"</td><td>" ) + typeString + QStringLiteral(
"</td></tr>\n" );
5843 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Extent" ) + QStringLiteral(
"</td><td>" ) +
extent().
toString() + QStringLiteral(
"</td></tr>\n" );
5847 QLocale locale = QLocale();
5848 locale.setNumberOptions( locale.numberOptions() &= ~QLocale::NumberOption::OmitGroupSeparator );
5849 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" )
5850 + tr(
"Feature count" ) + QStringLiteral(
"</td><td>" )
5852 + QStringLiteral(
"</td></tr>\n" );
5855 myMetadata += QLatin1String(
"</table>\n<br><br>" );
5864 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Identification" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5865 myMetadata += htmlFormatter.identificationSectionHtml( );
5866 myMetadata += QLatin1String(
"<br><br>\n" );
5869 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Extent" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5870 myMetadata += htmlFormatter.extentSectionHtml(
isSpatial() );
5871 myMetadata += QLatin1String(
"<br><br>\n" );
5874 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Access" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5875 myMetadata += htmlFormatter.accessSectionHtml( );
5876 myMetadata += QLatin1String(
"<br><br>\n" );
5879 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Fields" ) + QStringLiteral(
"</h1>\n<hr>\n<table class=\"list-view\">\n" );
5883 if ( !pkAttrList.isEmpty() )
5885 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Primary key attributes" ) + QStringLiteral(
"</td><td>" );
5886 const auto constPkAttrList = pkAttrList;
5887 for (
int idx : constPkAttrList )
5891 myMetadata += QLatin1String(
"</td></tr>\n" );
5897 myMetadata += QStringLiteral(
"<tr><td class=\"highlight\">" ) + tr(
"Count" ) + QStringLiteral(
"</td><td>" ) + QString::number( myFields.
size() ) + QStringLiteral(
"</td></tr>\n" );
5899 myMetadata += QLatin1String(
"</table>\n<br><table width=\"100%\" class=\"tabular-view\">\n" );
5900 myMetadata += QLatin1String(
"<tr><th>" ) + tr(
"Field" ) + QLatin1String(
"</th><th>" ) + tr(
"Type" ) + QLatin1String(
"</th><th>" ) + tr(
"Length" ) + QLatin1String(
"</th><th>" ) + tr(
"Precision" ) + QLatin1String(
"</th><th>" ) + tr(
"Comment" ) + QLatin1String(
"</th></tr>\n" );
5902 for (
int i = 0; i < myFields.
size(); ++i )
5907 rowClass = QStringLiteral(
"class=\"odd-row\"" );
5908 myMetadata += QLatin1String(
"<tr " ) + rowClass + QLatin1String(
"><td>" ) + myField.
displayNameWithAlias() + QLatin1String(
"</td><td>" ) + myField.
typeName() + QLatin1String(
"</td><td>" ) + QString::number( myField.
length() ) + QLatin1String(
"</td><td>" ) + QString::number( myField.
precision() ) + QLatin1String(
"</td><td>" ) + myField.
comment() + QLatin1String(
"</td></tr>\n" );
5912 myMetadata += QLatin1String(
"</table>\n<br><br>" );
5915 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Contacts" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5916 myMetadata += htmlFormatter.contactsSectionHtml( );
5917 myMetadata += QLatin1String(
"<br><br>\n" );
5920 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"Links" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5921 myMetadata += htmlFormatter.linksSectionHtml( );
5922 myMetadata += QLatin1String(
"<br><br>\n" );
5925 myMetadata += QStringLiteral(
"<h1>" ) + tr(
"History" ) + QStringLiteral(
"</h1>\n<hr>\n" );
5926 myMetadata += htmlFormatter.historySectionHtml( );
5927 myMetadata += QLatin1String(
"<br><br>\n" );
5931 myMetadata += QLatin1String(
"\n</body>\n</html>\n" );
5935void QgsVectorLayer::invalidateSymbolCountedFlag()
5939 mSymbolFeatureCounted =
false;
5942void QgsVectorLayer::onFeatureCounterCompleted()
5947 mFeatureCounter =
nullptr;
5950void QgsVectorLayer::onFeatureCounterTerminated()
5954 mFeatureCounter =
nullptr;
5957void QgsVectorLayer::onJoinedFieldsChanged()
5965void QgsVectorLayer::onFeatureDeleted(
QgsFeatureId fid )
5969 if ( mEditCommandActive || mCommitChangesActive )
5971 mDeletedFids << fid;
5975 mSelectedFeatureIds.remove( fid );
5982void QgsVectorLayer::onRelationsLoaded()
5986 mEditFormConfig.onRelationsLoaded();
5989void QgsVectorLayer::onSymbolsCounted()
5993 if ( mFeatureCounter )
5995 mSymbolFeatureCounted =
true;
6007 return p->relationManager()->referencingRelations(
this, idx );
6016 return mWeakRelations;
6023 mWeakRelations = relations;
6032 QString joinKey = mAuxiliaryLayerKey;
6033 if ( !key.isEmpty() )
6036 if ( storage.
isValid() && !joinKey.isEmpty() )
6061 mAuxiliaryLayerKey.clear();
6063 if ( mAuxiliaryLayer )
6076 mAuxiliaryLayer.reset( alayer );
6077 if ( mAuxiliaryLayer )
6078 mAuxiliaryLayer->setParent(
this );
6086 return mAuxiliaryLayer.get();
6093 return mAuxiliaryLayer.get();
6100 if ( mDataProvider )
6105void QgsVectorLayer::emitDataChanged()
6109 if ( mDataChangedFired )
6114 mDataChangedFired =
true;
6116 mDataChangedFired =
false;
6119void QgsVectorLayer::onAfterCommitChangesDependency()
6123 mDataChangedFired =
true;
6125 mDataChangedFired =
false;
6132 QSet<QgsMapLayerDependency> deps;
6133 const auto constODeps = oDeps;
6140 QSet<QgsMapLayerDependency> toAdd = deps -
dependencies();
6160 if ( mDataProvider )
6184 if ( ! toAdd.isEmpty() )
6194 if ( fieldIndex < 0 || fieldIndex >= mFields.
count() || !mDataProvider )
6212 QMap< QgsFieldConstraints::Constraint, QgsFieldConstraints::ConstraintStrength > m;
6214 if ( fieldIndex < 0 || fieldIndex >= mFields.
count() )
6217 QString
name = mFields.
at( fieldIndex ).
name();
6220 for ( ; conIt != mFieldConstraintStrength.constEnd(); ++conIt )
6222 if ( conIt.key().first ==
name )
6224 m[ conIt.key().second ] = mFieldConstraintStrength.value( conIt.key() );
6235 if ( index < 0 || index >= mFields.
count() )
6242 constraints |= constraint;
6243 mFieldConstraints.insert(
name, constraints );
6245 mFieldConstraintStrength.insert( qMakePair(
name, constraint ), strength );
6254 if ( index < 0 || index >= mFields.
count() )
6261 constraints &= ~constraint;
6262 mFieldConstraints.insert(
name, constraints );
6264 mFieldConstraintStrength.remove( qMakePair(
name, constraint ) );
6273 if ( index < 0 || index >= mFields.
count() )
6283 if ( index < 0 || index >= mFields.
count() )
6293 if ( index < 0 || index >= mFields.
count() )
6296 if ( expression.isEmpty() )
6298 mFieldConstraintExpressions.remove( mFields.
at( index ).
name() );
6302 mFieldConstraintExpressions.insert( mFields.
at( index ).
name(), qMakePair( expression, description ) );
6311 if ( index < 0 || index >= mFields.
count() )
6314 mFieldConfigurationFlags.insert( mFields.
at( index ).
name(),
flags );
6322 if ( index < 0 || index >= mFields.
count() )
6325 flags.setFlag( flag, active );
6333 if ( index < 0 || index >= mFields.
count() )
6343 if ( index < 0 || index >= mFields.
count() )
6347 mFieldWidgetSetups.remove( mFields.
at( index ).
name() );
6349 mFieldWidgetSetups.insert( mFields.
at( index ).
name(), setup );
6357 if ( index < 0 || index >= mFields.
count() )
6368 if (
customProperty( QStringLiteral(
"labeling" ) ).toString() == QLatin1String(
"pal" ) )
6370 if (
customProperty( QStringLiteral(
"labeling/enabled" ), QVariant(
false ) ).toBool() )
6374 settings.readFromLayerCustomProperties(
this );
6381 for (
const QString &key : constCustomPropertyKeys )
6383 if ( key.startsWith( QLatin1String(
"labeling/" ) ) )
6395 return mAllowCommit;
6413 return mGeometryOptions.get();
6427 return mReadExtentFromXml;
6430void QgsVectorLayer::onDirtyTransaction(
const QString &sql,
const QString &name )
6435 if ( tr && mEditBuffer )
6437 qobject_cast<QgsVectorLayerEditPassthrough *>( mEditBuffer )->update( tr, sql,
name );
6443 QList<QgsVectorLayer *> layers;
6444 QMap<QgsVectorLayer *, QgsFeatureIds>::const_iterator i;
6447 if ( includeAuxiliaryLayers || !qobject_cast< QgsAuxiliaryLayer * >( i.key() ) )
6448 layers.append( i.key() );
6455 return mHandledFeatures[layer];
The Qgis class provides global constants for use throughout the application.
@ SelectAtId
Fast access to features using their ID.
@ CreateRenderer
Provider can create feature renderers using backend-specific formatting information....
@ CreateLabeling
Provider can set labeling settings using backend-specific formatting information. Since QGIS 3....
@ ReadLayerMetadata
Provider can read layer metadata from data store. Since QGIS 3.0. See QgsDataProvider::layerMetadata(...
@ DeleteFeatures
Allows deletion of features.
QFlags< VectorRenderingSimplificationFlag > VectorRenderingSimplificationFlags
Simplification flags for vector feature rendering.
@ Composition
Fix relation, related elements are part of the parent and a parent copy will copy any children or del...
@ Association
Loose relation, related elements are not part of the parent and a parent copy will not copy any child...
GeometryOperationResult
Success or failure of a geometry operation.
@ InvalidInputGeometryType
The input geometry (ring, part, split line, etc.) has not the correct geometry type.
@ Success
Operation succeeded.
@ SelectionIsEmpty
No features were selected.
@ AddRingNotInExistingFeature
The input ring doesn't have any existing ring to fit into.
@ AddRingNotClosed
The input ring is not closed.
@ SelectionIsGreaterThanOne
More than one features were selected.
@ LayerNotEditable
Cannot edit layer.
SpatialIndexPresence
Enumeration of spatial index presence states.
@ Unknown
Spatial index presence cannot be determined, index may or may not exist.
VectorRenderingSimplificationFlag
Simplification flags for vector feature rendering.
@ NoSimplification
No simplification can be applied.
@ OverPoint
Arranges candidates over a point (or centroid of a polygon), or at a preset offset from the point....
@ Curved
Arranges candidates following the curvature of a line feature. Applies to line layers only.
@ AroundPoint
Arranges candidates in a circle around a point (or centroid of a polygon). Applies to point or polygo...
@ Line
Arranges candidates parallel to a generalised line representing the feature or parallel to a polygon'...
@ Horizontal
Arranges horizontal candidates scattered throughout a polygon feature. Applies to polygon layers only...
@ PerimeterCurved
Arranges candidates following the curvature of a polygon's boundary. Applies to polygon layers only.
QFlags< VectorLayerTypeFlag > VectorLayerTypeFlags
Vector layer type flags.
VectorSimplificationAlgorithm
Simplification algorithms for vector features.
@ Distance
The simplification uses the distance between points to remove duplicate points.
@ ExactIntersect
Use exact geometry intersection (slower) instead of bounding boxes.
@ SubsetOfAttributes
Fetch only a subset of attributes (setSubsetOfAttributes sets this flag)
@ NoGeometry
Geometry is not required. It may still be returned if e.g. required for a filter condition.
@ FastExtent3D
Provider's 3D extent retrieval via QgsDataProvider::extent3D() is always guaranteed to be trivial/fas...
@ FastExtent2D
Provider's 2D extent retrieval via QgsDataProvider::extent() is always guaranteed to be trivial/fast ...
@ BufferedGroups
Buffered transactional editing means that all editable layers in the buffered transaction group are t...
FieldDomainSplitPolicy
Split policy for field domains.
@ Duplicate
Duplicate original value.
BlendMode
Blending modes defining the available composition modes that can be used when painting.
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
@ Generated
A generated relation is a child of a polymorphic relation.
@ Normal
A normal relation.
FieldDuplicatePolicy
Duplicate policy for fields.
@ Duplicate
Duplicate original value.
static const float DEFAULT_MAPTOPIXEL_THRESHOLD
Default threshold between map coordinates and device coordinates for map2pixel simplification.
QFlags< DataProviderReadFlag > DataProviderReadFlags
Flags which control data provider construction.
FeatureAvailability
Possible return value for QgsFeatureSource::hasFeatures() to determine if a source is empty.
@ FeaturesMaybeAvailable
There may be features available in this source.
@ FeaturesAvailable
There is at least one feature available in this source.
@ NoFeaturesAvailable
There are certainly no features available in this source.
@ Provider
Field originates from the underlying data provider of the vector layer.
@ Edit
Field has been temporarily added in editing mode.
@ Unknown
The field origin has not been specified.
@ Expression
Field is calculated from an expression.
@ Join
Field originates from a joined layer.
RenderUnit
Rendering size units.
@ Points
Points (e.g., for font sizes)
@ LoadDefaultStyle
Reset the layer's style to the default for the datasource.
@ ForceReadOnly
Open layer in a read-only mode.
Aggregate
Available aggregates to calculate.
VertexMarkerType
Editing vertex markers, used for showing vertices during a edit operation.
@ SemiTransparentCircle
Semi-transparent circle marker.
VectorEditResult
Specifies the result of a vector layer edit operation.
@ Success
Edit operation was successful.
@ InvalidLayer
Edit failed due to invalid layer.
WkbType
The WKB type describes the number of dimensions a geometry has.
FieldConfigurationFlag
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
@ HideFromWfs
Field is not available if layer is served as WFS from QGIS server.
@ NoFlag
No flag is defined.
@ HideFromWms
Field is not available if layer is served as WMS from QGIS server.
@ AllowOverlapIfRequired
Avoids overlapping labels when possible, but permit overlaps if labels for features cannot otherwise ...
QFlags< FieldConfigurationFlag > FieldConfigurationFlags
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
@ AlwaysAllowUpsideDown
Show upside down for all labels, including dynamic ones.
SelectBehavior
Specifies how a selection should be applied.
@ SetSelection
Set selection, removing any existing selection.
@ AddToSelection
Add selection to current selection.
@ IntersectSelection
Modify current selection to include only select features which match.
@ RemoveFromSelection
Remove from current selection.
Abstract base class for objects which generate elevation profiles.
virtual bool writeXml(QDomElement &collectionElem, const QgsPropertiesDefinition &definitions) const
Writes the current state of the property collection into an XML element.
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified symbology visitor, causing it to visit all symbols associated with the labeling...
virtual void toSld(QDomNode &parent, const QVariantMap &props) const
Writes the SE 1.1 TextSymbolizer element based on the current layer labeling settings.
static QgsAbstractVectorLayerLabeling * create(const QDomElement &element, const QgsReadWriteContext &context)
Try to create instance of an implementation based on the XML data.
virtual QDomElement save(QDomDocument &doc, const QgsReadWriteContext &context) const =0
Returns labeling configuration as XML element.
Storage and management of actions associated with a layer.
bool writeXml(QDomNode &layer_node) const
Writes the actions out in XML format.
QList< QgsAction > actions(const QString &actionScope=QString()) const
Returns a list of actions that are available in the given action scope.
QUuid addAction(Qgis::AttributeActionType type, const QString &name, const QString &command, bool capture=false)
Add an action with the given name and action details.
bool readXml(const QDomNode &layer_node)
Reads the actions in in XML format.
Utility class that encapsulates an action based on vector attributes.
Utility class for calculating aggregates for a field (or expression) over the features from a vector ...
static QgsRuntimeProfiler * profiler()
Returns the application runtime profiler.
static QgsTaskManager * taskManager()
Returns the application's task manager, used for managing application wide background task handling.
This is a container for configuration of the attribute table.
void readXml(const QDomNode &node)
Deserialize to XML on layer load.
void update(const QgsFields &fields)
Update the configuration with the given fields.
void writeXml(QDomNode &node) const
Serialize to XML on layer save.
Class allowing to manage the auxiliary storage for a vector layer.
QgsVectorLayerJoinInfo joinInfo() const
Returns information to use for joining with primary key and so on.
Class providing some utility methods to manage auxiliary storage.
QgsAuxiliaryLayer * createAuxiliaryLayer(const QgsField &field, QgsVectorLayer *layer) const
Creates an auxiliary layer for a vector layer.
bool isValid() const
Returns the status of the auxiliary storage currently defined.
A 3-dimensional box composed of x, y, z coordinates.
bool isNull() const
Test if the box is null (holding no spatial information).
The QgsConditionalLayerStyles class holds conditional style information for a layer.
bool readXml(const QDomNode &node, const QgsReadWriteContext &context)
Reads the condition styles state from a DOM node.
bool writeXml(QDomNode &node, QDomDocument &doc, const QgsReadWriteContext &context) const
Writes the condition styles state to a DOM node.
This class represents a coordinate reference system (CRS).
bool isValid() const
Returns whether this CRS is correctly initialized and usable.
Contains information about the context in which a coordinate transform is executed.
Abstract base class for curved geometry type.
virtual bool isClosed() const
Returns true if the curve is closed.
QgsCurve * clone() const override=0
Clones the geometry by performing a deep copy.
virtual bool containsElevationData() const
Returns true if the data provider definitely contains elevation related data.
virtual bool leaveUpdateMode()
Leave update mode.
virtual QString subsetString() const
Returns the subset definition string currently in use by the layer and used by the provider to limit ...
QgsCoordinateTransformContext transformContext() const
Returns data provider coordinate transform context.
virtual Qgis::DataProviderFlags flags() const
Returns the generic data provider flags.
virtual QgsCoordinateReferenceSystem crs() const =0
Returns the coordinate system for the data source.
void dataChanged()
Emitted whenever a change is made to the data provider which may have caused changes in the provider'...
void fullExtentCalculated()
Emitted whenever a deferred extent calculation is completed by the provider.
virtual Qgis::ProviderStyleStorageCapabilities styleStorageCapabilities() const
Returns the style storage capabilities.
virtual QgsBox3D extent3D() const
Returns the 3D extent of the layer.
virtual QgsLayerMetadata layerMetadata() const
Returns layer metadata collected from the provider's source.
virtual bool isValid() const =0
Returns true if this is a valid layer.
virtual bool setSubsetString(const QString &subset, bool updateFeatureCount=true)
Set the subset string used to create a subset of features in the layer.
virtual QString dataSourceUri(bool expandAuthConfig=false) const
Gets the data source specification.
virtual void updateExtents()
Update the extents of the layer.
virtual void reloadData()
Reloads the data from the source for providers with data caches to synchronize, changes in the data s...
virtual bool enterUpdateMode()
Enter update mode.
virtual QgsRectangle extent() const =0
Returns the extent of the layer.
virtual void setTransformContext(const QgsCoordinateTransformContext &transformContext)
Sets data coordinate transform context to transformContext.
Class for storing the component parts of a RDBMS data source URI (e.g.
bool useEstimatedMetadata() const
Returns true if estimated metadata should be used for the connection.
The QgsDefaultValue class provides a container for managing client side default values for fields.
bool isValid() const
Returns if this default value should be applied.
Stores the settings for rendering of all diagrams for a layer.
@ PositionX
X-coordinate data defined diagram position.
@ PositionY
Y-coordinate data defined diagram position.
@ Show
Whether to show the diagram.
void readXml(const QDomElement &elem)
Reads the diagram settings from a DOM element.
void writeXml(QDomElement &layerElem, QDomDocument &doc) const
Writes the diagram settings to a DOM element.
Evaluates and returns the diagram settings relating to a diagram for a specific feature.
virtual void writeXml(QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context) const =0
Writes diagram state to a DOM element.
virtual QList< QgsDiagramSettings > diagramSettings() const =0
Returns list with all diagram settings in the renderer.
virtual void readXml(const QDomElement &elem, const QgsReadWriteContext &context)=0
Reads diagram state from a DOM element.
void clear()
Clear error messages.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void setFields(const QgsFields &fields)
Convenience function for setting a fields for the scope.
void setFeature(const QgsFeature &feature)
Convenience function for setting a feature for the scope.
static QList< QgsExpressionContextScope * > globalProjectLayerScopes(const QgsMapLayer *layer)
Creates a list of three scopes: global, layer's project and layer.
static QgsExpressionContextScope * layerScope(const QgsMapLayer *layer)
Creates a new scope which contains variables and functions relating to a QgsMapLayer.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
QgsExpressionContextScope * popScope()
Removes the last scope from the expression context and return it.
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
void setFeature(const QgsFeature &feature)
Convenience function for setting a feature for the context.
Buffers information about expression fields for a vector layer.
void removeExpression(int index)
Remove an expression from the buffer.
void writeXml(QDomNode &layer_node, QDomDocument &document) const
Saves expressions to xml under the layer node.
void readXml(const QDomNode &layer_node)
Reads expressions from project file.
void updateFields(QgsFields &flds) const
Adds fields with the expressions buffered in this object to a QgsFields object.
void addExpression(const QString &exp, const QgsField &fld)
Add an expression to the buffer.
QList< QgsExpressionFieldBuffer::ExpressionField > expressions() const
void updateExpression(int index, const QString &exp)
Changes the expression at a given index.
void renameExpression(int index, const QString &name)
Renames an expression field at a given index.
An expression node which takes it value from a feature's field.
Class for parsing and evaluation of expressions (formerly called "search strings").
bool prepare(const QgsExpressionContext *context)
Gets the expression ready for evaluation - find out column indexes.
QString expression() const
Returns the original, unmodified expression string.
bool hasParserError() const
Returns true if an error occurred when parsing the input expression.
QString evalErrorString() const
Returns evaluation error.
QString parserErrorString() const
Returns parser error.
QSet< QString > referencedColumns() const
Gets list of columns referenced by the expression.
static QString quotedColumnRef(QString name)
Returns a quoted column reference (in double quotes)
bool hasEvalError() const
Returns true if an error occurred when evaluating last input.
static int expressionToLayerFieldIndex(const QString &expression, const QgsVectorLayer *layer)
Attempts to resolve an expression to a field index from the given layer.
bool needsGeometry() const
Returns true if the expression uses feature geometry for some computation.
QVariant evaluate()
Evaluate the feature and return the result.
Wrapper for iterator of features from vector data provider or vector layer.
bool nextFeature(QgsFeature &f)
Fetch next feature and stores in f, returns true on success.
bool close()
Call to end the iteration.
An interface for objects which generate feature renderers for vector layers.
Abstract base class for all 2D vector feature renderers.
static QgsFeatureRenderer * defaultRenderer(Qgis::GeometryType geomType)
Returns a new renderer - used by default in vector layers.
virtual void toSld(QDomDocument &doc, QDomElement &element, const QVariantMap &props=QVariantMap()) const
used from subclasses to create SLD Rule elements following SLD v1.1 specs
virtual QDomElement save(QDomDocument &doc, const QgsReadWriteContext &context)
Stores renderer properties to an XML element.
double referenceScale() const
Returns the symbology reference scale.
void setReferenceScale(double scale)
Sets the symbology reference scale.
static QgsFeatureRenderer * load(QDomElement &symbologyElem, const QgsReadWriteContext &context)
create a renderer from XML element
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified symbology visitor, causing it to visit all symbols associated with the renderer...
static QgsFeatureRenderer * loadSld(const QDomNode &node, Qgis::GeometryType geomType, QString &errorMessage)
Create a new renderer according to the information contained in the UserStyle element of a SLD style ...
This class wraps a request for features to a vector layer (or directly its vector data provider).
QgsFeatureRequest & setFlags(Qgis::FeatureRequestFlags flags)
Sets flags that affect how features will be fetched.
QgsFeatureRequest & setFilterFids(const QgsFeatureIds &fids)
Sets the feature IDs that should be fetched.
QgsFeatureRequest & setSubsetOfAttributes(const QgsAttributeList &attrs)
Set a subset of attributes that will be fetched.
QgsFeatureRequest & setFilterExpression(const QString &expression)
Set the filter expression.
QgsFeatureRequest & setExpressionContext(const QgsExpressionContext &context)
Sets the expression context used to evaluate filter expressions.
QgsFeatureRequest & setNoAttributes()
Set that no attributes will be fetched.
QgsFeatureRequest & setFilterFid(QgsFeatureId fid)
Sets the feature ID that should be fetched.
virtual bool addFeature(QgsFeature &feature, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags())
Adds a single feature to the sink.
virtual QSet< QVariant > uniqueValues(int fieldIndex, int limit=-1) const
Returns the set of unique values contained within the specified fieldIndex from this source.
virtual Qgis::SpatialIndexPresence hasSpatialIndex() const
Returns an enum value representing the presence of a valid spatial index on the source,...
virtual QgsFeatureIds allFeatureIds() const
Returns a list of all feature IDs for features present in the source.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Q_INVOKABLE bool setAttribute(int field, const QVariant &attr)
Sets an attribute's value by field index.
bool hasGeometry() const
Returns true if the feature has an associated geometry.
bool isValid() const
Returns the validity of this feature.
Q_INVOKABLE QVariant attribute(const QString &name) const
Lookup attribute value by attribute name.
void setGeometry(const QgsGeometry &geometry)
Set the feature's geometry.
Base class for feedback objects to be used for cancellation of something running in a worker thread.
bool isCanceled() const
Tells whether the operation has been canceled already.
Stores information about constraints which may be present on a field.
ConstraintStrength
Strength of constraints.
void setConstraintStrength(Constraint constraint, ConstraintStrength strength)
Sets the strength of a constraint.
void setConstraintExpression(const QString &expression, const QString &description=QString())
Set the constraint expression for the field.
@ ConstraintOriginProvider
Constraint was set at data provider.
@ ConstraintOriginLayer
Constraint was set by layer.
ConstraintOrigin constraintOrigin(Constraint constraint) const
Returns the origin of a field constraint, or ConstraintOriginNotSet if the constraint is not present ...
QString constraintExpression() const
Returns the constraint expression for the field, if set.
Constraint
Constraints which may be present on a field.
@ ConstraintNotNull
Field may not be null.
@ ConstraintUnique
Field must have a unique value.
@ ConstraintExpression
Field has an expression constraint set. See constraintExpression().
QString constraintDescription() const
Returns the descriptive name for the constraint expression.
void setConstraint(Constraint constraint, ConstraintOrigin origin=ConstraintOriginLayer)
Sets a constraint on the field.
QFlags< Constraint > Constraints
Encapsulate a field in an attribute table or data source.
QString typeName() const
Gets the field type.
QString displayNameWithAlias() const
Returns the name to use when displaying this field and adds the alias in parenthesis if it is defined...
QString displayName() const
Returns the name to use when displaying this field.
Qgis::FieldConfigurationFlags configurationFlags
QgsDefaultValue defaultValueDefinition
QgsFieldConstraints constraints
QgsEditorWidgetSetup editorWidgetSetup() const
Gets the editor widget setup for the field.
Container of fields for a vector layer.
Q_INVOKABLE int indexFromName(const QString &fieldName) const
Gets the field index from the field name.
Q_INVOKABLE int indexOf(const QString &fieldName) const
Gets the field index from the field name.
Qgis::FieldOrigin fieldOrigin(int fieldIdx) const
Returns the field's origin (value from an enumeration).
int size() const
Returns number of items.
QgsField at(int i) const
Returns the field at particular index (must be in range 0..N-1).
int fieldOriginIndex(int fieldIdx) const
Returns the field's origin index (its meaning is specific to each type of origin).
Q_INVOKABLE int lookupField(const QString &fieldName) const
Looks up field's index from the field name.
The QgsGeometryOptions class contains options to automatically adjust geometries to constraints on a ...
A geometry is the spatial representation of a feature.
QgsBox3D boundingBox3D() const
Returns the 3D bounding box of the geometry.
bool equals(const QgsGeometry &geometry) const
Test if this geometry is exactly equal to another geometry.
QgsRectangle boundingBox() const
Returns the bounding box of the geometry.
void setMergeLines(bool merge)
Sets whether connected line features with identical label text should be merged prior to generating l...
void setOverlapHandling(Qgis::LabelOverlapHandling handling)
Sets the technique used to handle overlapping labels.
Line string geometry type, with support for z-dimension and m-values.
Alters the size of rendered diagrams using a linear scaling.
static void warning(const QString &msg)
Goes to qWarning.
This class models dependencies with or between map layers.
Base class for storage of map layer elevation properties.
static QString typeToString(Qgis::LayerType type)
Converts a map layer type to a string value.
virtual void readXml(const QDomElement &elem, const QgsReadWriteContext &context)
Reads configuration from a DOM element previously written by writeXml()
virtual QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context) const
Writes configuration to a DOM element, to be used later with readXml()
static QgsMapLayerLegend * defaultVectorLegend(QgsVectorLayer *vl)
Create new legend implementation for vector layer.
Base class for utility classes that encapsulate information necessary for rendering of map layers.
Base class for storage of map layer selection properties.
Stores style information (renderer, opacity, labeling, diagrams etc.) applicable to a map layer.
Base class for storage of map layer temporal properties.
Base class for all map layer types.
void readStyleManager(const QDomNode &layerNode)
Read style manager's configuration (if any). To be called by subclasses.
void dependenciesChanged()
Emitted when dependencies are changed.
void writeStyleManager(QDomNode &layerNode, QDomDocument &doc) const
Write style manager's configuration (if exists). To be called by subclasses.
QgsMapLayerLegend * legend() const
Can be nullptr.
void editingStopped()
Emitted when edited changes have been successfully written to the data provider.
void recalculateExtents() const
This is used to send a request that any mapcanvas using this layer update its extents.
virtual QgsRectangle extent() const
Returns the extent of the layer.
QString source() const
Returns the source for the layer.
Q_INVOKABLE QVariant customProperty(const QString &value, const QVariant &defaultValue=QVariant()) const
Read a custom property from layer.
int mBlockStyleChangedSignal
If non-zero, the styleChanged signal should not be emitted.
QString providerType() const
Returns the provider type (provider key) for this layer.
virtual void setExtent3D(const QgsBox3D &box)
Sets the extent.
void removeCustomProperty(const QString &key)
Remove a custom property from layer.
void setBlendMode(QPainter::CompositionMode blendMode)
Set the blending mode used for rendering a layer.
void configChanged()
Emitted whenever the configuration is changed.
void setMinimumScale(double scale)
Sets the minimum map scale (i.e.
static Qgis::DataProviderReadFlags providerReadFlags(const QDomNode &layerNode, QgsMapLayer::ReadFlags layerReadFlags)
Returns provider read flag deduced from layer read flags layerReadFlags and a dom node layerNode that...
QgsMapLayer::LayerFlags flags() const
Returns the flags for this layer.
void editingStarted()
Emitted when editing on this layer has started.
QgsCoordinateReferenceSystem crs
friend class QgsVectorLayer
void writeCustomProperties(QDomNode &layerNode, QDomDocument &doc) const
Write custom properties to project file.
virtual int listStylesInDatabase(QStringList &ids, QStringList &names, QStringList &descriptions, QString &msgError)
Lists all the style in db split into related to the layer and not related to.
virtual QString loadDefaultStyle(bool &resultFlag)
Retrieve the default style for this layer if one exists (either as a .qml file on disk or as a record...
void setDataSource(const QString &dataSource, const QString &baseName=QString(), const QString &provider=QString(), bool loadDefaultStyleFlag=false)
Updates the data source of the layer.
void triggerRepaint(bool deferredUpdate=false)
Will advise the map canvas (and any other interested party) that this layer requires to be repainted.
QString crsHtmlMetadata() const
Returns a HTML fragment containing the layer's CRS metadata, for use in the htmlMetadata() method.
void setMaximumScale(double scale)
Sets the maximum map scale (i.e.
QgsLayerMetadata metadata
QPainter::CompositionMode blendMode() const
Returns the current blending mode for a layer.
virtual void setOpacity(double opacity)
Sets the opacity for the layer, where opacity is a value between 0 (totally transparent) and 1....
void setFlags(QgsMapLayer::LayerFlags flags)
Returns the flags for this layer.
QString publicSource(bool hidePassword=false) const
Gets a version of the internal layer definition that has sensitive bits removed (for example,...
QSet< QgsMapLayerDependency > mDependencies
List of layers that may modify this layer on modification.
void readCustomProperties(const QDomNode &layerNode, const QString &keyStartsWith=QString())
Read custom properties from project file.
virtual void setMetadata(const QgsLayerMetadata &metadata)
Sets the layer's metadata store.
QFlags< StyleCategory > StyleCategories
Q_INVOKABLE void setCustomProperty(const QString &key, const QVariant &value)
Set a custom property for layer.
QString mProviderKey
Data provider key (name of the data provider)
QgsCoordinateTransformContext transformContext() const
Returns the layer data provider coordinate transform context or a default transform context if the la...
void styleChanged()
Signal emitted whenever a change affects the layer's style.
QUndoStack * undoStack()
Returns pointer to layer's undo stack.
std::unique_ptr< QgsDataProvider > mPreloadedProvider
Optionally used when loading a project, it is released when the layer is effectively created.
void rendererChanged()
Signal emitted when renderer is changed.
virtual QgsError error() const
Gets current status error.
void setScaleBasedVisibility(bool enabled)
Sets whether scale based visibility is enabled for the layer.
void dataSourceChanged()
Emitted whenever the layer's data source has been changed.
bool hasScaleBasedVisibility() const
Returns whether scale based visibility is enabled for the layer.
virtual QString getStyleFromDatabase(const QString &styleId, QString &msgError)
Returns the named style corresponding to style id provided.
void emitStyleChanged()
Triggers an emission of the styleChanged() signal.
void dataChanged()
Data of layer changed.
void willBeDeleted()
Emitted in the destructor when the layer is about to be deleted, but it is still in a perfectly valid...
virtual QgsBox3D extent3D() const
Returns the 3D extent of the layer.
virtual QgsMapLayer * clone() const =0
Returns a new instance equivalent to this one except for the id which is still unique.
void setName(const QString &name)
Set the display name of the layer.
virtual void setExtent(const QgsRectangle &rect)
Sets the extent.
virtual void resolveReferences(QgsProject *project)
Resolve references to other layers (kept as layer IDs after reading XML) into layer objects.
QString mDataSource
Data source description string, varies by layer type.
void setMapTipsEnabled(bool enabled)
Enable or disable map tips for this layer.
@ FlagReadExtentFromXml
Read extent from xml and skip get extent from provider.
@ FlagForceReadOnly
Force open as read only.
@ FlagDontResolveLayers
Don't resolve layer paths or create data providers for layers.
void setValid(bool valid)
Sets whether layer is valid or not.
void readCommonStyle(const QDomElement &layerElement, const QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories)
Read style data common to all layer types.
QgsMapLayer::ReadFlags mReadFlags
Read flags. It's up to the subclass to respect these when restoring state from XML.
double minimumScale() const
Returns the minimum map scale (i.e.
void repaintRequested(bool deferredUpdate=false)
By emitting this signal the layer tells that either appearance or content have been changed and any v...
void setMapTipTemplate(const QString &mapTipTemplate)
The mapTip is a pretty, html representation for feature information.
Q_INVOKABLE QStringList customPropertyKeys() const
Returns list of all keys within custom properties.
QgsProject * project() const
Returns the parent project if this map layer is added to a project.
void setLegend(QgsMapLayerLegend *legend)
Assign a legend controller to the map layer.
bool mValid
Indicates if the layer is valid and can be drawn.
@ GeometryOptions
Geometry validation configuration.
@ AttributeTable
Attribute table settings: choice and order of columns, conditional styling.
@ LayerConfiguration
General configuration: identifiable, removable, searchable, display expression, read-only.
@ Rendering
Rendering: scale visibility, simplify method, opacity.
@ CustomProperties
Custom properties (by plugins for instance)
@ Fields
Aliases, widgets, WMS/WFS, expressions, constraints, virtual fields.
void layerModified()
Emitted when modifications has been done on layer.
void setProviderType(const QString &providerType)
Sets the providerType (provider key)
QString customPropertyHtmlMetadata() const
Returns an HTML fragment containing custom property information, for use in the htmlMetadata() method...
QString generalHtmlMetadata() const
Returns an HTML fragment containing general metadata information, for use in the htmlMetadata() metho...
void writeCommonStyle(QDomElement &layerElement, QDomDocument &document, const QgsReadWriteContext &context, StyleCategories categories=AllStyleCategories) const
Write style data common to all layer types.
double maximumScale() const
Returns the maximum map scale (i.e.
bool mShouldValidateCrs
true if the layer's CRS should be validated and invalid CRSes are not permitted.
void setCrs(const QgsCoordinateReferenceSystem &srs, bool emitSignal=true)
Sets layer's spatial reference system.
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
static QgsExpression * expressionFromOgcFilter(const QDomElement &element, QgsVectorLayer *layer=nullptr)
Parse XML with OGC filter into QGIS expression.
static Qgis::BlendMode getBlendModeEnum(QPainter::CompositionMode blendMode)
Returns a Qgis::BlendMode corresponding to a QPainter::CompositionMode.
static QPainter::CompositionMode getCompositionMode(Qgis::BlendMode blendMode)
Returns a QPainter::CompositionMode corresponding to a Qgis::BlendMode.
Contains settings for how a map layer will be labeled.
double yOffset
Vertical offset of label.
const QgsLabelPlacementSettings & placementSettings() const
Returns the label placement settings.
double maxCurvedCharAngleIn
Maximum angle between inside curved label characters (valid range 20.0 to 60.0).
void setFormat(const QgsTextFormat &format)
Sets the label text formatting settings, e.g., font settings, buffer settings, etc.
double xOffset
Horizontal offset of label.
Qgis::LabelPlacement placement
Label placement mode.
double angleOffset
Label rotation, in degrees clockwise.
double maxCurvedCharAngleOut
Maximum angle between outside curved label characters (valid range -20.0 to -95.0)
Qgis::RenderUnit offsetUnits
Units for offsets of label.
bool isExpression
true if this label is made from a expression string, e.g., FieldName || 'mm'
const QgsLabelLineSettings & lineSettings() const
Returns the label line settings, which contain settings related to how the label engine places and fo...
Qgis::UpsideDownLabelHandling upsidedownLabels
Controls whether upside down labels are displayed and how they are handled.
QString fieldName
Name of field (or an expression) to use for label text.
A class to represent a 2D point.
Point geometry type, with support for z-dimension and m-values.
Encapsulates properties and constraints relating to fetching elevation profiles from different source...
virtual QString translate(const QString &context, const QString &sourceText, const char *disambiguation=nullptr, int n=-1) const =0
Translates a string using the Qt QTranslator mechanism.
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
QgsRelationManager * relationManager
bool commitChanges(QStringList &commitErrors, bool stopEditing=true, QgsVectorLayer *vectorLayer=nullptr)
Attempts to commit to the underlying data provider any buffered changes made since the last to call t...
static QgsProject * instance()
Returns the QgsProject singleton instance.
bool rollBack(QStringList &rollbackErrors, bool stopEditing=true, QgsVectorLayer *vectorLayer=nullptr)
Stops a current editing operation on vectorLayer and discards any uncommitted edits.
bool startEditing(QgsVectorLayer *vectorLayer=nullptr)
Makes the layer editable.
QMap< QString, QgsMapLayer * > mapLayers(const bool validOnly=false) const
Returns a map of all registered layers by layer ID.
A grouped map of multiple QgsProperty objects, each referenced by a integer key value.
void setProperty(int key, const QgsProperty &property)
Adds a property to the collection and takes ownership of it.
Definition for a property.
@ Double
Double value (including negative values)
static QgsProperty fromField(const QString &fieldName, bool isActive=true)
Returns a new FieldBasedProperty created from the specified field name.
QString absoluteToRelativeUri(const QString &providerKey, const QString &uri, const QgsReadWriteContext &context) const
Converts absolute path(s) to relative path(s) in the given provider-specific URI.
static QgsProviderRegistry * instance(const QString &pluginPath=QString())
Means of accessing canonical single instance.
QString relativeToAbsoluteUri(const QString &providerKey, const QString &uri, const QgsReadWriteContext &context) const
Converts relative path(s) to absolute path(s) in the given provider-specific URI.
Allows entering a context category and takes care of leaving this category on deletion of the class.
The class is used as a container of context for various read/write operations on other objects.
MAYBE_UNUSED NODISCARD QgsReadWriteContextCategoryPopper enterCategory(const QString &category, const QString &details=QString()) const
Push a category to the stack.
const QgsProjectTranslator * projectTranslator() const
Returns the project translator.
QgsCoordinateTransformContext transformContext() const
Returns data provider coordinate transform context.
const QgsPathResolver & pathResolver() const
Returns path resolver for conversion between relative and absolute paths.
A rectangle specified with double values.
QString toString(int precision=16) const
Returns a string representation of form xmin,ymin : xmax,ymax Coordinates will be truncated to the sp...
double xMinimum() const
Returns the x minimum value (left side of rectangle).
double yMinimum() const
Returns the y minimum value (bottom side of rectangle).
double width() const
Returns the width of the rectangle.
double xMaximum() const
Returns the x maximum value (right side of rectangle).
bool isNull() const
Test if the rectangle is null (holding no spatial information).
double yMaximum() const
Returns the y maximum value (top side of rectangle).
void set(const QgsPointXY &p1, const QgsPointXY &p2, bool normalize=true)
Sets the rectangle from two QgsPoints.
void combineExtentWith(const QgsRectangle &rect)
Expands the rectangle so that it covers both the original rectangle and the given rectangle.
void normalize()
Normalize the rectangle so it has non-negative width/height.
double height() const
Returns the height of the rectangle.
void setNull()
Mark a rectangle as being null (holding no spatial information).
QList< QgsRelation > referencedRelations(const QgsVectorLayer *layer=nullptr) const
Gets all relations where this layer is the referenced part (i.e.
void relationsLoaded()
Emitted when the relations were loaded after reading a project.
Represents a relationship between two vector layers.
Contains information about the context of a rendering operation.
double rendererScale() const
Returns the renderer map scale.
bool useRenderingOptimization() const
Returns true if the rendering optimization (geometry simplification) can be executed.
A child rule for QgsRuleBasedLabeling.
void appendChild(QgsRuleBasedLabeling::Rule *rule)
add child rule, take ownership, sets this as parent
Rule based labeling for a vector layer.
A boolean settings entry.
A template class for enum and flag settings entry.
static QgsSettingsTreeNode * sTreeQgis
This class is a composition of two QSettings instances:
Renders the diagrams for all features with the same settings.
Renders diagrams using mixed diagram render types.
Manages stored expressions regarding creation, modification and storing in the project.
bool writeXml(QDomNode &layerNode) const
Writes the stored expressions out in XML format.
bool readXml(const QDomNode &layerNode)
Reads the stored expressions in in XML format.
An interface for classes which can visit style entity (e.g.
static double rendererFrameRate(const QgsFeatureRenderer *renderer)
Calculates the frame rate (in frames per second) at which the given renderer must be redrawn.
static QgsStringMap getSvgParameterList(QDomElement &element)
static void mergeScaleDependencies(double mScaleMinDenom, double mScaleMaxDenom, QVariantMap &props)
Merges the local scale limits, if any, with the ones already in the map, if any.
static bool fillFromSld(QDomElement &element, Qt::BrushStyle &brushStyle, QColor &color)
static Qgis::RenderUnit decodeSldUom(const QString &str, double *scaleFactor=nullptr)
Decodes a SLD unit of measure string to a render unit.
long addTask(QgsTask *task, int priority=0)
Adds a task to the manager.
void taskCompleted()
Will be emitted by task to indicate its successful completion.
void taskTerminated()
Will be emitted by task if it has terminated for any reason other then completion (e....
bool isActive() const
Returns true if the temporal property is active.
Container for settings relating to a text buffer.
void setColor(const QColor &color)
Sets the color for the buffer.
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units used for the buffer size.
void setEnabled(bool enabled)
Sets whether the text buffer will be drawn.
void setSize(double size)
Sets the size of the buffer.
Container for all settings relating to text rendering.
void setColor(const QColor &color)
Sets the color that text will be rendered in.
void setSize(double size)
Sets the size for rendered text.
void setFont(const QFont &font)
Sets the font used for rendering text.
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units for the size of rendered text.
void setBuffer(const QgsTextBufferSettings &bufferSettings)
Sets the text's buffer settings.
This class allows including a set of layers in a database-side transaction, provided the layer data p...
QString createSavepoint(QString &error)
creates a save point returns empty string on error returns the last created savepoint if it's not dir...
void dirtied(const QString &sql, const QString &name)
Emitted if a sql query is executed and the underlying data is modified.
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
This is the base class for vector data providers.
virtual QString dataComment() const override
Returns a short comment for the data that this provider is providing access to (e....
virtual QVariant aggregate(Qgis::Aggregate aggregate, int index, const QgsAggregateCalculator::AggregateParameters ¶meters, QgsExpressionContext *context, bool &ok, QgsFeatureIds *fids=nullptr) const
Calculates an aggregated value from the layer's features.
static const int EditingCapabilities
Bitmask of all provider's editing capabilities.
long long featureCount() const override=0
Number of features in the layer.
virtual QgsFeatureRenderer * createRenderer(const QVariantMap &configuration=QVariantMap()) const
Creates a new vector layer feature renderer, using provider backend specific information.
virtual QString storageType() const
Returns the permanent storage type for this layer as a friendly name.
virtual QStringList uniqueStringsMatching(int index, const QString &substring, int limit=-1, QgsFeedback *feedback=nullptr) const
Returns unique string values of an attribute which contain a specified subset string.
void raiseError(const QString &msg) const
Signals an error in this provider.
virtual bool isSqlQuery() const
Returns true if the layer is a query (SQL) layer.
virtual bool empty() const
Returns true if the layer does not contain any feature.
virtual Q_INVOKABLE Qgis::VectorProviderCapabilities capabilities() const
Returns flags containing the supported capabilities.
virtual QgsAttributeList pkAttributeIndexes() const
Returns list of indexes of fields that make up the primary key.
virtual void handlePostCloneOperations(QgsVectorDataProvider *source)
Handles any post-clone operations required after this vector data provider was cloned from the source...
virtual QSet< QgsMapLayerDependency > dependencies() const
Gets the list of layer ids on which this layer depends.
virtual void setEncoding(const QString &e)
Set encoding used for accessing data from layer.
virtual Qgis::VectorLayerTypeFlags vectorLayerTypeFlags() const
Returns the vector layer type flags.
QVariant maximumValue(int index) const override
Returns the maximum value of an attribute.
QgsDataProviderElevationProperties * elevationProperties() override
Returns the provider's elevation properties.
QgsFields fields() const override=0
Returns the fields associated with this data provider.
Qgis::WkbType wkbType() const override=0
Returns the geometry type which is returned by this layer.
QVariant minimumValue(int index) const override
Returns the minimum value of an attribute.
QString encoding() const
Returns the encoding which is used for accessing data.
virtual QVariant defaultValue(int fieldIndex) const
Returns any literal default values which are present at the provider for a specified field index.
QgsFieldConstraints::Constraints fieldConstraints(int fieldIndex) const
Returns any constraints which are present at the provider for a specified field index.
virtual QgsTransaction * transaction() const
Returns the transaction this data provider is included in, if any.
virtual QgsAbstractVectorLayerLabeling * createLabeling(const QVariantMap &configuration=QVariantMap()) const
Creates labeling settings, using provider backend specific information.
QgsVectorDataProviderTemporalCapabilities * temporalCapabilities() override
Returns the provider's temporal capabilities.
QString capabilitiesString() const
Returns the above in friendly format.
bool commitChanges(QStringList &commitErrors, bool stopEditing=true)
Attempts to commit any changes to disk.
void committedAttributesDeleted(const QString &layerId, const QgsAttributeList &deletedAttributes)
Emitted after attribute deletion has been committed to the layer.
virtual bool deleteFeature(QgsFeatureId fid)
Delete a feature from the layer (but does not commit it)
QgsFeatureIds deletedFeatureIds() const
Returns a list of deleted feature IDs which are not committed.
QgsChangedAttributesMap changedAttributeValues() const
Returns a map of features with changed attributes values which are not committed.
void committedAttributeValuesChanges(const QString &layerId, const QgsChangedAttributesMap &changedAttributesValues)
Emitted after feature attribute value changes have been committed to the layer.
virtual bool renameAttribute(int attr, const QString &newName)
Renames an attribute field (but does not commit it)
void geometryChanged(QgsFeatureId fid, const QgsGeometry &geom)
Emitted when a feature's geometry is changed.
virtual bool deleteFeatures(const QgsFeatureIds &fid)
Deletes a set of features from the layer (but does not commit it)
virtual bool addAttribute(const QgsField &field)
Adds an attribute field (but does not commit it) returns true if the field was added.
void committedAttributesAdded(const QString &layerId, const QList< QgsField > &addedAttributes)
Emitted after attribute addition has been committed to the layer.
virtual bool addFeatures(QgsFeatureList &features)
Insert a copy of the given features into the layer (but does not commit it)
virtual bool changeAttributeValues(QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues)
Changes values of attributes (but does not commit it).
QgsFeatureMap addedFeatures() const
Returns a map of new features which are not committed.
virtual bool isModified() const
Returns true if the provider has been modified since the last commit.
void updateFields(QgsFields &fields)
Updates fields.
void committedFeaturesAdded(const QString &layerId, const QgsFeatureList &addedFeatures)
Emitted after feature addition has been committed to the layer.
void featureDeleted(QgsFeatureId fid)
Emitted when a feature was deleted from the buffer.
QgsGeometryMap changedGeometries() const
Returns a map of features with changed geometries which are not committed.
QgsVectorLayerEditBufferGroup * editBufferGroup() const
Returns the parent edit buffer group for this edit buffer, or nullptr if not part of a group.
QgsAttributeList deletedAttributeIds() const
Returns a list of deleted attributes fields which are not committed.
void attributeAdded(int idx)
Emitted when an attribute was added to the buffer.
void committedGeometriesChanges(const QString &layerId, const QgsGeometryMap &changedGeometries)
Emitted after feature geometry changes have been committed to the layer.
virtual bool addFeature(QgsFeature &f)
Adds a feature.
virtual void rollBack()
Stop editing and discard the edits.
void attributeValueChanged(QgsFeatureId fid, int idx, const QVariant &value)
Emitted when a feature's attribute value has been changed.
void attributeDeleted(int idx)
Emitted when an attribute was deleted from the buffer.
void featureAdded(QgsFeatureId fid)
Emitted when a feature has been added to the buffer.
virtual bool commitChanges(QStringList &commitErrors)
Attempts to commit any changes to disk.
virtual bool deleteAttribute(int attr)
Deletes an attribute field (but does not commit it)
virtual bool changeAttributeValue(QgsFeatureId fid, int field, const QVariant &newValue, const QVariant &oldValue=QVariant())
Changed an attribute value (but does not commit it)
virtual bool changeGeometry(QgsFeatureId fid, const QgsGeometry &geom)
Change feature's geometry.
void layerModified()
Emitted when modifications has been done on layer.
void committedFeaturesRemoved(const QString &layerId, const QgsFeatureIds &deletedFeatureIds)
Emitted after feature removal has been committed to the layer.
Contains utility functions for editing vector layers.
int translateFeature(QgsFeatureId featureId, double dx, double dy)
Translates feature by dx, dy.
bool insertVertex(double x, double y, QgsFeatureId atFeatureId, int beforeVertex)
Insert a new vertex before the given vertex number, in the given ring, item (first number is index 0)...
Q_DECL_DEPRECATED Qgis::GeometryOperationResult addPart(const QVector< QgsPointXY > &ring, QgsFeatureId featureId)
Adds a new part polygon to a multipart feature.
Qgis::VectorEditResult deleteVertex(QgsFeatureId featureId, int vertex)
Deletes a vertex from a feature.
int addTopologicalPoints(const QgsGeometry &geom)
Adds topological points for every vertex of the geometry.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult splitParts(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits parts cut by the given line.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult splitFeatures(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits features cut by the given line.
bool moveVertex(double x, double y, QgsFeatureId atFeatureId, int atVertex)
Moves the vertex at the given position number, ring and item (first number is index 0),...
Q_DECL_DEPRECATED Qgis::GeometryOperationResult addRing(const QVector< QgsPointXY > &ring, const QgsFeatureIds &targetFeatureIds=QgsFeatureIds(), QgsFeatureId *modifiedFeatureId=nullptr)
Adds a ring to polygon/multipolygon features.
Vector layer specific subclass of QgsMapLayerElevationProperties.
void setDefaultsFromLayer(QgsMapLayer *layer) override
Sets default properties based on sensible choices for the given map layer.
QgsVectorLayerElevationProperties * clone() const override
Creates a clone of the properties.
Counts the features in a QgsVectorLayer in task.
QHash< QString, long long > symbolFeatureCountMap() const
Returns the count for each symbol.
void cancel() override
Notifies the task that it should terminate.
QHash< QString, QgsFeatureIds > symbolFeatureIdMap() const
Returns the QgsFeatureIds for each symbol.
A feature iterator which iterates over features from a QgsVectorLayer.
Manages joined fields for a vector layer.
void resolveReferences(QgsProject *project)
Resolves layer IDs of joined layers using given project's available layers.
bool addJoin(const QgsVectorLayerJoinInfo &joinInfo)
Joins another vector layer to this layer.
void readXml(const QDomNode &layer_node)
Reads joins from project file.
void writeXml(QDomNode &layer_node, QDomDocument &document) const
Saves mVectorJoins to xml under the layer node.
const QgsVectorLayerJoinInfo * joinForFieldIndex(int index, const QgsFields &fields, int &sourceFieldIndex) const
Finds the vector join for a layer field index.
bool changeAttributeValue(QgsFeatureId fid, int field, const QVariant &newValue, const QVariant &oldValue=QVariant())
Changes attribute value in joined layers.
bool removeJoin(const QString &joinLayerId)
Removes a vector layer join.
bool containsJoins() const
Quick way to test if there is any join at all.
bool changeAttributeValues(QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues=QgsAttributeMap())
Changes attributes' values in joined layers.
bool addFeatures(QgsFeatureList &features, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags()) override
Adds a list of features in joined layers.
void joinedFieldsChanged()
Emitted whenever the list of joined fields changes (e.g.
void updateFields(QgsFields &fields)
Updates field map with joined attributes.
bool deleteFeature(QgsFeatureId fid, QgsVectorLayer::DeleteContext *context=nullptr) const
Deletes a feature from joined layers.
const QgsVectorJoinList & vectorJoins() const
Defines left outer join from our vector layer to some other vector layer.
QString targetFieldName() const
Returns name of the field of our layer that will be used for join.
QString joinLayerId() const
ID of the joined layer - may be used to resolve reference to the joined layer.
Implementation of QgsAbstractProfileGenerator for vector layers.
Implementation of threaded rendering for vector layers.
Implementation of layer selection properties for vector layers.
QgsVectorLayerSelectionProperties * clone() const override
Creates a clone of the properties.
QDomElement writeXml(QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context) override
Writes the properties to a DOM element, to be used later with readXml().
bool readXml(const QDomElement &element, const QgsReadWriteContext &context) override
Reads temporal properties from a DOM element previously written by writeXml().
Basic implementation of the labeling interface.
Implementation of map layer temporal properties for vector layers.
void guessDefaultsFromFields(const QgsFields &fields)
Attempts to setup the temporal properties by scanning a set of fields and looking for standard naming...
void setDefaultsFromDataProviderTemporalCapabilities(const QgsDataProviderTemporalCapabilities *capabilities) override
Sets the layers temporal settings to appropriate defaults based on a provider's temporal capabilities...
Contains settings which reflect the context in which vector layer tool operations should consider.
QgsExpressionContext * expressionContext() const
Returns the optional expression context used by the vector layer tools.
static QString guessFriendlyIdentifierField(const QgsFields &fields, bool *foundFriendly=nullptr)
Given a set of fields, attempts to pick the "most useful" field for user-friendly identification of f...
Represents a vector layer which manages a vector based data sets.
void setLabeling(QgsAbstractVectorLayerLabeling *labeling)
Sets labeling configuration.
QString attributeDisplayName(int index) const
Convenience function that returns the attribute alias if defined or the field name else.
QVariant maximumValue(int index) const FINAL
Returns the maximum value for an attribute column or an invalid variant in case of error.
int addExpressionField(const QString &exp, const QgsField &fld)
Add a new field which is calculated by the expression specified.
void committedFeaturesAdded(const QString &layerId, const QgsFeatureList &addedFeatures)
Emitted when features are added to the provider if not in transaction mode.
void setExtent(const QgsRectangle &rect) FINAL
Sets the extent.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult addPart(const QList< QgsPointXY > &ring)
Adds a new part polygon to a multipart feature.
static const QgsSettingsEntryEnumFlag< Qgis::VectorRenderingSimplificationFlags > * settingsSimplifyDrawingHints
QgsRectangle sourceExtent() const FINAL
Returns the extent of all geometries from the source.
void featureBlendModeChanged(QPainter::CompositionMode blendMode)
Signal emitted when setFeatureBlendMode() is called.
bool labelsEnabled() const
Returns whether the layer contains labels which are enabled and should be drawn.
bool writeSymbology(QDomNode &node, QDomDocument &doc, QString &errorMessage, const QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) const FINAL
Write the style for the layer into the document provided.
bool isModified() const override
Returns true if the provider has been modified since the last commit.
bool writeStyle(QDomNode &node, QDomDocument &doc, QString &errorMessage, const QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) const FINAL
Write just the symbology information for the layer into the document.
void addFeatureRendererGenerator(QgsFeatureRendererGenerator *generator)
Adds a new feature renderer generator to the layer.
Q_DECL_DEPRECATED void setExcludeAttributesWfs(const QSet< QString > &att)
A set of attributes that are not advertised in WFS requests with QGIS server.
Q_INVOKABLE bool deleteSelectedFeatures(int *deletedCount=nullptr, QgsVectorLayer::DeleteContext *context=nullptr)
Deletes the selected features.
Q_INVOKABLE void selectByRect(QgsRectangle &rect, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection)
Selects features found within the search rectangle (in layer's coordinates)
void removeFieldAlias(int index)
Removes an alias (a display name) for attributes to display in dialogs.
void setAuxiliaryLayer(QgsAuxiliaryLayer *layer=nullptr)
Sets the current auxiliary layer.
void beforeRemovingExpressionField(int idx)
Will be emitted, when an expression field is going to be deleted from this vector layer.
Q_INVOKABLE bool deleteFeatures(const QgsFeatureIds &fids, QgsVectorLayer::DeleteContext *context=nullptr)
Deletes a set of features from the layer (but does not commit it)
QString loadDefaultStyle(bool &resultFlag) FINAL
Retrieve the default style for this layer if one exists (either as a .qml file on disk or as a record...
void committedGeometriesChanges(const QString &layerId, const QgsGeometryMap &changedGeometries)
Emitted when geometry changes are saved to the provider if not in transaction mode.
void beforeCommitChanges(bool stopEditing)
Emitted before changes are committed to the data provider.
Q_INVOKABLE bool startEditing()
Makes the layer editable.
void setFieldConfigurationFlags(int index, Qgis::FieldConfigurationFlags flags)
Sets the configuration flags of the field at given index.
QMap< QgsFieldConstraints::Constraint, QgsFieldConstraints::ConstraintStrength > fieldConstraintsAndStrength(int fieldIndex) const
Returns a map of constraint with their strength for a specific field of the layer.
bool addJoin(const QgsVectorLayerJoinInfo &joinInfo)
Joins another vector layer to this layer.
QSet< QgsMapLayerDependency > dependencies() const FINAL
Gets the list of dependencies.
QgsMapLayerTemporalProperties * temporalProperties() override
Returns the layer's temporal properties.
Q_INVOKABLE bool changeAttributeValue(QgsFeatureId fid, int field, const QVariant &newValue, const QVariant &oldValue=QVariant(), bool skipDefaultValues=false, QgsVectorLayerToolsContext *context=nullptr)
Changes an attribute value for a feature (but does not immediately commit the changes).
Q_DECL_DEPRECATED Qgis::GeometryOperationResult splitFeatures(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits features cut by the given line.
QgsDefaultValue defaultValueDefinition(int index) const
Returns the definition of the expression used when calculating the default value for a field.
QgsExpressionContextScope * createExpressionContextScope() const FINAL
This method needs to be reimplemented in all classes which implement this interface and return an exp...
QgsMapLayerRenderer * createMapRenderer(QgsRenderContext &rendererContext) FINAL
Returns new instance of QgsMapLayerRenderer that will be used for rendering of given context.
QgsVectorLayerFeatureCounter * countSymbolFeatures(bool storeSymbolFids=false)
Count features for symbols.
QPainter::CompositionMode featureBlendMode() const
Returns the current blending mode for features.
bool hasMapTips() const FINAL
Returns true if the layer contains map tips.
QString constraintExpression(int index) const
Returns the constraint expression for for a specified field index, if set.
bool addAttribute(const QgsField &field)
Add an attribute field (but does not commit it) returns true if the field was added.
void attributeAdded(int idx)
Will be emitted, when a new attribute has been added to this vector layer.
QString capabilitiesString() const
Capabilities for this layer, comma separated and translated.
void deselect(QgsFeatureId featureId)
Deselects feature by its ID.
void allowCommitChanged()
Emitted whenever the allowCommit() property of this layer changes.
friend class QgsVectorLayerEditBuffer
void editCommandStarted(const QString &text)
Signal emitted when a new edit command has been started.
void updateFields()
Will regenerate the fields property of this layer by obtaining all fields from the dataProvider,...
bool isSpatial() const FINAL
Returns true if this is a geometry layer and false in case of NoGeometry (table only) or UnknownGeome...
const QgsDiagramLayerSettings * diagramLayerSettings() const
void setFieldConstraint(int index, QgsFieldConstraints::Constraint constraint, QgsFieldConstraints::ConstraintStrength strength=QgsFieldConstraints::ConstraintStrengthHard)
Sets a constraint for a specified field index.
bool loadAuxiliaryLayer(const QgsAuxiliaryStorage &storage, const QString &key=QString())
Loads the auxiliary layer for this vector layer.
bool insertVertex(double x, double y, QgsFeatureId atFeatureId, int beforeVertex)
Inserts a new vertex before the given vertex number, in the given ring, item (first number is index 0...
QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const FINAL
Queries the layer for features specified in request.
QgsAbstractProfileGenerator * createProfileGenerator(const QgsProfileRequest &request) override
Given a profile request, returns a new profile generator ready for generating elevation profiles.
QString htmlMetadata() const FINAL
Obtain a formatted HTML string containing assorted metadata for this layer.
Q_INVOKABLE QgsRectangle boundingBoxOfSelected() const
Returns the bounding box of the selected features. If there is no selection, QgsRectangle(0,...
bool addFeatures(QgsFeatureList &features, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags()) FINAL
Adds a list of features to the sink.
Q_INVOKABLE QgsFeatureList selectedFeatures() const
Returns a copy of the user-selected features.
QString expressionField(int index) const
Returns the expression used for a given expression field.
bool readSymbology(const QDomNode &layerNode, QString &errorMessage, QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) FINAL
Read the symbology for the current layer from the DOM node supplied.
void removeFeatureRendererGenerator(const QString &id)
Removes the feature renderer with matching id from the layer.
Q_INVOKABLE bool deleteFeature(QgsFeatureId fid, QgsVectorLayer::DeleteContext *context=nullptr)
Deletes a feature from the layer (but does not commit it).
friend class QgsVectorLayerEditPassthrough
void setSimplifyMethod(const QgsVectorSimplifyMethod &simplifyMethod)
Sets the simplification settings for fast rendering of features.
void editCommandDestroyed()
Signal emitted, when an edit command is destroyed.
QVariant aggregate(Qgis::Aggregate aggregate, const QString &fieldOrExpression, const QgsAggregateCalculator::AggregateParameters ¶meters=QgsAggregateCalculator::AggregateParameters(), QgsExpressionContext *context=nullptr, bool *ok=nullptr, QgsFeatureIds *fids=nullptr, QgsFeedback *feedback=nullptr, QString *error=nullptr) const
Calculates an aggregated value from the layer's features.
QgsFieldConstraints::Constraints fieldConstraints(int fieldIndex) const
Returns any constraints which are present for a specified field index.
static const QgsSettingsEntryEnumFlag< Qgis::VectorSimplificationAlgorithm > * settingsSimplifyAlgorithm
Q_DECL_DEPRECATED QSet< QString > excludeAttributesWms() const
A set of attributes that are not advertised in WMS requests with QGIS server.
QgsBox3D sourceExtent3D() const FINAL
Returns the 3D extent of all geometries from the source.
QgsFeatureIds symbolFeatureIds(const QString &legendKey) const
Ids of features rendered with specified legend key.
void removeFieldConstraint(int index, QgsFieldConstraints::Constraint constraint)
Removes a constraint for a specified field index.
int selectedFeatureCount() const
Returns the number of features that are selected in this layer.
void featuresDeleted(const QgsFeatureIds &fids)
Emitted when features have been deleted.
Qgis::VectorLayerTypeFlags vectorLayerTypeFlags() const
Returns the vector layer type flags.
void setLabelsEnabled(bool enabled)
Sets whether labels should be enabled for the layer.
void subsetStringChanged()
Emitted when the layer's subset string has changed.
QgsAuxiliaryLayer * auxiliaryLayer()
Returns the current auxiliary layer.
void setCoordinateSystem()
Setup the coordinate system transformation for the layer.
void committedFeaturesRemoved(const QString &layerId, const QgsFeatureIds &deletedFeatureIds)
Emitted when features are deleted from the provider if not in transaction mode.
void updateExpressionField(int index, const QString &exp)
Changes the expression used to define an expression based (virtual) field.
Q_INVOKABLE void selectByExpression(const QString &expression, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection, QgsExpressionContext *context=nullptr)
Selects matching features using an expression.
static const QgsSettingsEntryDouble * settingsSimplifyMaxScale
~QgsVectorLayer() override
QgsCoordinateReferenceSystem sourceCrs() const FINAL
Returns the coordinate reference system for features in the source.
void endEditCommand()
Finish edit command and add it to undo/redo stack.
void destroyEditCommand()
Destroy active command and reverts all changes in it.
bool isAuxiliaryField(int index, int &srcIndex) const
Returns true if the field comes from the auxiliary layer, false otherwise.
QgsExpressionContext createExpressionContext() const FINAL
This method needs to be reimplemented in all classes which implement this interface and return an exp...
QList< QgsRelation > referencingRelations(int idx) const
Returns the layer's relations, where the foreign key is on this layer.
Q_DECL_DEPRECATED QSet< QString > excludeAttributesWfs() const
A set of attributes that are not advertised in WFS requests with QGIS server.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult splitParts(const QVector< QgsPointXY > &splitLine, bool topologicalEditing=false)
Splits parts cut by the given line.
void setDefaultValueDefinition(int index, const QgsDefaultValue &definition)
Sets the definition of the expression to use when calculating the default value for a field.
bool diagramsEnabled() const
Returns whether the layer contains diagrams which are enabled and should be drawn.
void setAllowCommit(bool allowCommit)
Controls, if the layer is allowed to commit changes.
bool setDependencies(const QSet< QgsMapLayerDependency > &layers) FINAL
Sets the list of dependencies.
void symbolFeatureCountMapChanged()
Emitted when the feature count for symbols on this layer has been recalculated.
Q_INVOKABLE const QgsFeatureIds & selectedFeatureIds() const
Returns a list of the selected features IDs in this layer.
Qgis::VectorEditResult deleteVertex(QgsFeatureId featureId, int vertex)
Deletes a vertex from a feature.
void setFeatureBlendMode(QPainter::CompositionMode blendMode)
Sets the blending mode used for rendering each feature.
QString constraintDescription(int index) const
Returns the descriptive name for the constraint expression for a specified field index.
void writeCustomSymbology(QDomElement &element, QDomDocument &doc, QString &errorMessage) const
Signal emitted whenever the symbology (QML-file) for this layer is being written.
const QgsAbstractVectorLayerLabeling * labeling() const
Access to const labeling configuration.
void setProviderEncoding(const QString &encoding)
Sets the text encoding of the data provider.
bool writeSld(QDomNode &node, QDomDocument &doc, QString &errorMessage, const QVariantMap &props=QVariantMap()) const
Writes the symbology of the layer into the document provided in SLD 1.1 format.
void setDisplayExpression(const QString &displayExpression)
Set the preview expression, used to create a human readable preview string.
virtual bool deleteAttribute(int attr)
Deletes an attribute field (but does not commit it).
static const QgsSettingsEntryBool * settingsSimplifyLocal
void resolveReferences(QgsProject *project) FINAL
Resolves references to other layers (kept as layer IDs after reading XML) into layer objects.
bool simplifyDrawingCanbeApplied(const QgsRenderContext &renderContext, Qgis::VectorRenderingSimplificationFlag simplifyHint) const
Returns whether the VectorLayer can apply the specified simplification hint.
QgsMapLayerElevationProperties * elevationProperties() override
Returns the layer's elevation properties.
bool removeJoin(const QString &joinLayerId)
Removes a vector layer join.
Q_INVOKABLE void invertSelectionInRectangle(QgsRectangle &rect)
Inverts selection of features found within the search rectangle (in layer's coordinates)
void setRenderer(QgsFeatureRenderer *r)
Sets the feature renderer which will be invoked to represent this layer in 2D map views.
Q_INVOKABLE void selectAll()
Select all the features.
bool isEditable() const FINAL
Returns true if the provider is in editing mode.
QStringList commitErrors() const
Returns a list containing any error messages generated when attempting to commit changes to the layer...
QString storageType() const
Returns the permanent storage type for this layer as a friendly name.
bool readExtentFromXml() const
Returns true if the extent is read from the XML document when data source has no metadata,...
QString dataComment() const
Returns a description for this layer as defined in the data provider.
bool accept(QgsStyleEntityVisitorInterface *visitor) const override
QgsGeometryOptions * geometryOptions() const
Configuration and logic to apply automatically on any edit happening on this layer.
QgsStringMap attributeAliases() const
Returns a map of field name to attribute alias.
Q_INVOKABLE int translateFeature(QgsFeatureId featureId, double dx, double dy)
Translates feature by dx, dy.
Q_INVOKABLE Qgis::WkbType wkbType() const FINAL
Returns the WKBType or WKBUnknown in case of error.
virtual void updateExtents(bool force=false)
Update the extents for the layer.
void attributeDeleted(int idx)
Will be emitted, when an attribute has been deleted from this vector layer.
QgsFeatureRenderer * renderer()
Returns the feature renderer used for rendering the features in the layer in 2D map views.
void beforeEditingStarted()
Emitted before editing on this layer is started.
void committedAttributeValuesChanges(const QString &layerId, const QgsChangedAttributesMap &changedAttributesValues)
Emitted when attribute value changes are saved to the provider if not in transaction mode.
void committedAttributesAdded(const QString &layerId, const QList< QgsField > &addedAttributes)
Emitted when attributes are added to the provider if not in transaction mode.
void setEditFormConfig(const QgsEditFormConfig &editFormConfig)
Sets the editFormConfig (configuration) of the form used to represent this vector layer.
Qgis::FieldConfigurationFlags fieldConfigurationFlags(int index) const
Returns the configuration flags of the field at given index.
void committedAttributesDeleted(const QString &layerId, const QgsAttributeList &deletedAttributes)
Emitted when attributes are deleted from the provider if not in transaction mode.
QString displayExpression
void displayExpressionChanged()
Emitted when the display expression changes.
QVariant minimumValue(int index) const FINAL
Returns the minimum value for an attribute column or an invalid variant in case of error.
QgsFeatureIterator getSelectedFeatures(QgsFeatureRequest request=QgsFeatureRequest()) const
Returns an iterator of the selected features.
void setEditorWidgetSetup(int index, const QgsEditorWidgetSetup &setup)
Sets the editor widget setup for the field at the specified index.
void setConstraintExpression(int index, const QString &expression, const QString &description=QString())
Sets the constraint expression for the specified field index.
Q_INVOKABLE bool rollBack(bool deleteBuffer=true)
Stops a current editing operation and discards any uncommitted edits.
bool readStyle(const QDomNode &node, QString &errorMessage, QgsReadWriteContext &context, QgsMapLayer::StyleCategories categories=QgsMapLayer::AllStyleCategories) FINAL
Read the style for the current layer from the DOM node supplied.
bool updateFeature(QgsFeature &feature, bool skipDefaultValues=false)
Updates an existing feature in the layer, replacing the attributes and geometry for the feature with ...
Q_INVOKABLE bool commitChanges(bool stopEditing=true)
Attempts to commit to the underlying data provider any buffered changes made since the last to call t...
void setFieldConfigurationFlag(int index, Qgis::FieldConfigurationFlag flag, bool active)
Sets the given configuration flag for the field at given index to be active or not.
QgsVectorDataProvider * dataProvider() FINAL
Returns the layer's data provider, it may be nullptr.
void setFieldDuplicatePolicy(int index, Qgis::FieldDuplicatePolicy policy)
Sets a duplicate policy for the field with the specified index.
bool setReadOnly(bool readonly=true)
Makes layer read-only (editing disabled) or not.
void editFormConfigChanged()
Will be emitted whenever the edit form configuration of this layer changes.
Q_INVOKABLE void modifySelection(const QgsFeatureIds &selectIds, const QgsFeatureIds &deselectIds)
Modifies the current selection on this layer.
void setWeakRelations(const QList< QgsWeakRelation > &relations)
Sets the layer's weak relations.
void reselect()
Reselects the previous set of selected features.
void select(QgsFeatureId featureId)
Selects feature by its ID.
QgsEditorWidgetSetup editorWidgetSetup(int index) const
Returns the editor widget setup for the field at the specified index.
long long featureCount() const FINAL
Returns feature count including changes which have not yet been committed If you need only the count ...
void setReadExtentFromXml(bool readExtentFromXml)
Flag allowing to indicate if the extent has to be read from the XML document when data source has no ...
void afterCommitChanges()
Emitted after changes are committed to the data provider.
QgsVectorLayer * clone() const override
Returns a new instance equivalent to this one.
QgsAttributeTableConfig attributeTableConfig() const
Returns the attribute table configuration object.
QgsActionManager * actions()
Returns all layer actions defined on this layer.
bool readSld(const QDomNode &node, QString &errorMessage) FINAL
Q_INVOKABLE void selectByIds(const QgsFeatureIds &ids, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection)
Selects matching features using a list of feature IDs.
QStringList uniqueStringsMatching(int index, const QString &substring, int limit=-1, QgsFeedback *feedback=nullptr) const
Returns unique string values of an attribute which contain a specified subset string.
void raiseError(const QString &msg)
Signals an error related to this vector layer.
void editCommandEnded()
Signal emitted, when an edit command successfully ended.
void supportsEditingChanged()
Emitted when the read only state or the data provider of this layer is changed.
void readOnlyChanged()
Emitted when the read only state of this layer is changed.
void removeExpressionField(int index)
Removes an expression field.
virtual void setTransformContext(const QgsCoordinateTransformContext &transformContext) override
Sets the coordinate transform context to transformContext.
void attributeValueChanged(QgsFeatureId fid, int idx, const QVariant &value)
Emitted whenever an attribute value change is done in the edit buffer.
static Q_DECL_DEPRECATED void drawVertexMarker(double x, double y, QPainter &p, Qgis::VertexMarkerType type, int vertexSize)
Draws a vertex symbol at (screen) coordinates x, y.
bool addFeature(QgsFeature &feature, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags()) FINAL
Adds a single feature to the sink.
void setFieldAlias(int index, const QString &aliasString)
Sets an alias (a display name) for attributes to display in dialogs.
friend class QgsVectorLayerFeatureSource
void minimumAndMaximumValue(int index, QVariant &minimum, QVariant &maximum) const
Calculates both the minimum and maximum value for an attribute column.
Q_INVOKABLE Qgis::GeometryType geometryType() const
Returns point, line or polygon.
QgsRectangle extent() const FINAL
Returns the extent of the layer.
Q_DECL_DEPRECATED void setExcludeAttributesWms(const QSet< QString > &att)
A set of attributes that are not advertised in WMS requests with QGIS server.
void setAttributeTableConfig(const QgsAttributeTableConfig &attributeTableConfig)
Sets the attribute table configuration object.
virtual bool setSubsetString(const QString &subset)
Sets the string (typically sql) used to define a subset of the layer.
bool readXml(const QDomNode &layer_node, QgsReadWriteContext &context) FINAL
Reads vector layer specific state from project file Dom node.
void afterRollBack()
Emitted after changes are rolled back.
QString decodedSource(const QString &source, const QString &provider, const QgsReadWriteContext &context) const FINAL
Called by readLayerXML(), used by derived classes to decode provider's specific data source from proj...
void setDiagramLayerSettings(const QgsDiagramLayerSettings &s)
QList< QgsWeakRelation > weakRelations() const
Returns the layer's weak relations as specified in the layer's style.
const QgsVectorSimplifyMethod & simplifyMethod() const
Returns the simplification settings for fast rendering of features.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
void beforeAddingExpressionField(const QString &fieldName)
Will be emitted, when an expression field is going to be added to this vector layer.
bool deleteAttributes(const QList< int > &attrs)
Deletes a list of attribute fields (but does not commit it)
void updatedFields()
Emitted whenever the fields available from this layer have been changed.
QVariant defaultValue(int index, const QgsFeature &feature=QgsFeature(), QgsExpressionContext *context=nullptr) const
Returns the calculated default value for the specified field index.
void featureAdded(QgsFeatureId fid)
Emitted when a new feature has been added to the layer.
QString sourceName() const FINAL
Returns a friendly display name for the source.
QString attributeAlias(int index) const
Returns the alias of an attribute name or a null string if there is no alias.
void featureDeleted(QgsFeatureId fid)
Emitted when a feature has been deleted.
QgsBox3D extent3D() const FINAL
Returns the 3D extent of the layer.
Q_INVOKABLE void removeSelection()
Clear selection.
bool allowCommit() const
Controls, if the layer is allowed to commit changes.
QgsConditionalLayerStyles * conditionalStyles() const
Returns the conditional styles that are set for this layer.
void readCustomSymbology(const QDomElement &element, QString &errorMessage)
Signal emitted whenever the symbology (QML-file) for this layer is being read.
void reload() FINAL
Synchronises with changes in the datasource.
const QList< QgsVectorLayerJoinInfo > vectorJoins() const
bool renameAttribute(int index, const QString &newName)
Renames an attribute field (but does not commit it).
bool isSqlQuery() const
Returns true if the layer is a query (SQL) layer.
void beforeRollBack()
Emitted before changes are rolled back.
QgsAttributeList primaryKeyAttributes() const
Returns the list of attributes which make up the layer's primary keys.
bool writeXml(QDomNode &layer_node, QDomDocument &doc, const QgsReadWriteContext &context) const FINAL
Writes vector layer specific state to project file Dom node.
QString encodedSource(const QString &source, const QgsReadWriteContext &context) const FINAL
Called by writeLayerXML(), used by derived classes to encode provider's specific data source to proje...
void beginEditCommand(const QString &text)
Create edit command for undo/redo operations.
QString displayField() const
This is a shorthand for accessing the displayExpression if it is a simple field.
Q_DECL_DEPRECATED Qgis::GeometryOperationResult addRing(const QVector< QgsPointXY > &ring, QgsFeatureId *featureId=nullptr)
Adds a ring to polygon/multipolygon features.
void setDiagramRenderer(QgsDiagramRenderer *r)
Sets diagram rendering object (takes ownership)
void geometryChanged(QgsFeatureId fid, const QgsGeometry &geometry)
Emitted whenever a geometry change is done in the edit buffer.
QgsEditFormConfig editFormConfig
QList< const QgsFeatureRendererGenerator * > featureRendererGenerators() const
Returns a list of the feature renderer generators owned by the layer.
Qgis::FeatureAvailability hasFeatures() const FINAL
Determines if this vector layer has features.
bool moveVertex(double x, double y, QgsFeatureId atFeatureId, int atVertex)
Moves the vertex at the given position number, ring and item (first number is index 0),...
QgsGeometry getGeometry(QgsFeatureId fid) const
Queries the layer for the geometry at the given id.
int addTopologicalPoints(const QgsGeometry &geom)
Adds topological points for every vertex of the geometry.
void beforeModifiedCheck() const
Emitted when the layer is checked for modifications. Use for last-minute additions.
Q_INVOKABLE QgsFeature getFeature(QgsFeatureId fid) const
Queries the layer for the feature with the given id.
Q_INVOKABLE void invertSelection()
Selects not selected features and deselects selected ones.
const QgsDiagramRenderer * diagramRenderer() const
void setExtent3D(const QgsBox3D &rect) FINAL
Sets the extent.
Q_INVOKABLE bool changeAttributeValues(QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues=QgsAttributeMap(), bool skipDefaultValues=false, QgsVectorLayerToolsContext *context=nullptr)
Changes attributes' values for a feature (but does not immediately commit the changes).
QgsMapLayerSelectionProperties * selectionProperties() override
Returns the layer's selection properties.
bool changeGeometry(QgsFeatureId fid, QgsGeometry &geometry, bool skipDefaultValue=false)
Changes a feature's geometry within the layer's edit buffer (but does not immediately commit the chan...
static const QgsSettingsEntryDouble * settingsSimplifyDrawingTol
Qgis::SpatialIndexPresence hasSpatialIndex() const override
QSet< QVariant > uniqueValues(int fieldIndex, int limit=-1) const FINAL
Calculates a list of unique values contained within an attribute in the layer.
void setFieldSplitPolicy(int index, Qgis::FieldDomainSplitPolicy policy)
Sets a split policy for the field with the specified index.
bool forceLocalOptimization() const
Gets where the simplification executes, after fetch the geometries from provider, or when supported,...
Qgis::VectorRenderingSimplificationFlags simplifyHints() const
Gets the simplification hints of the vector layer managed.
float maximumScale() const
Gets the maximum scale at which the layer should be simplified.
Qgis::VectorSimplificationAlgorithm simplifyAlgorithm() const
Gets the local simplification algorithm of the vector layer managed.
void setThreshold(float threshold)
Sets the simplification threshold of the vector layer managed.
void setForceLocalOptimization(bool localOptimization)
Sets where the simplification executes, after fetch the geometries from provider, or when supported,...
void setSimplifyHints(Qgis::VectorRenderingSimplificationFlags simplifyHints)
Sets the simplification hints of the vector layer managed.
float threshold() const
Gets the simplification threshold of the vector layer managed.
void setMaximumScale(float maximumScale)
Sets the maximum scale at which the layer should be simplified.
void setSimplifyAlgorithm(Qgis::VectorSimplificationAlgorithm simplifyAlgorithm)
Sets the local simplification algorithm of the vector layer managed.
@ Referencing
The layer is referencing (or the "child" / "right" layer in the relationship)
@ Referenced
The layer is referenced (or the "parent" / "left" left in the relationship)
static void writeXml(const QgsVectorLayer *layer, WeakRelationType type, const QgsRelation &relation, QDomNode &node, QDomDocument &doc)
Writes a weak relation infoto an XML structure.
static QgsWeakRelation readXml(const QgsVectorLayer *layer, WeakRelationType type, const QDomNode &node, const QgsPathResolver resolver)
Returns a weak relation for the given layer.
static Qgis::GeometryType geometryType(Qgis::WkbType type)
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a Polyg...
static QString displayString(Qgis::WkbType type)
Returns a non-translated display string type for a WKB type, e.g., the geometry name used in WKT geom...
static QString geometryDisplayString(Qgis::GeometryType type)
Returns a display string for a geometry type.
static QDomElement writeVariant(const QVariant &value, QDomDocument &doc)
Write a QVariant to a QDomElement.
static QgsBox3D readBox3D(const QDomElement &element)
Decodes a DOM element to a 3D box.
static QVariant readVariant(const QDomElement &element)
Read a QVariant from a QDomElement.
static QgsRectangle readRectangle(const QDomElement &element)
@ UnknownCount
Provider returned an unknown feature count.
double ANALYSIS_EXPORT angle(QgsPoint *p1, QgsPoint *p2, QgsPoint *p3, QgsPoint *p4)
Calculates the angle between two segments (in 2 dimension, z-values are ignored)
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
bool qgsVariantEqual(const QVariant &lhs, const QVariant &rhs)
Compares two QVariant values and returns whether they are equal, two NULL values are always treated a...
bool qgsVariantLessThan(const QVariant &lhs, const QVariant &rhs)
Compares two QVariant values and returns whether the first is less than the second.
bool qgsVariantGreaterThan(const QVariant &lhs, const QVariant &rhs)
Compares two QVariant values and returns whether the first is greater than the second.
T qgsEnumKeyToValue(const QString &key, const T &defaultValue, bool tryValueAsKey=true, bool *returnOk=nullptr)
Returns the value corresponding to the given key of an enum.
QString qgsEnumValueToKey(const T &value, bool *returnOk=nullptr)
Returns the value for the given key of an enum.
QString qgsFlagValueToKeys(const T &value, bool *returnOk=nullptr)
Returns the value for the given keys of a flag.
T qgsFlagKeysToValue(const QString &keys, const T &defaultValue, bool tryValueAsKey=true, bool *returnOk=nullptr)
Returns the value corresponding to the given keys of a flag.
QMap< QString, QString > QgsStringMap
QVector< QgsPoint > QgsPointSequence
QMap< int, QVariant > QgsAttributeMap
QList< QgsFeature > QgsFeatureList
QSet< QgsFeatureId > QgsFeatureIds
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
QList< int > QgsAttributeList
#define QgsDebugMsgLevel(str, level)
#define QgsDebugError(str)
QMap< int, QgsPropertyDefinition > QgsPropertiesDefinition
Definition of available properties.
#define RENDERER_TAG_NAME
#define QGIS_PROTECT_QOBJECT_THREAD_ACCESS_NON_FATAL
#define QGIS_PROTECT_QOBJECT_THREAD_ACCESS
bool saveStyle_t(const QString &uri, const QString &qmlStyle, const QString &sldStyle, const QString &styleName, const QString &styleDescription, const QString &uiFileContent, bool useAsDefault, QString &errCause)
int listStyles_t(const QString &uri, QStringList &ids, QStringList &names, QStringList &descriptions, QString &errCause)
QString getStyleById_t(const QString &uri, QString styleID, QString &errCause)
bool deleteStyleById_t(const QString &uri, QString styleID, QString &errCause)
QString loadStyle_t(const QString &uri, QString &errCause)
QList< int > QgsAttributeList
QMap< QgsFeatureId, QgsFeature > QgsFeatureMap
A bundle of parameters controlling aggregate calculation.
Setting options for creating vector data providers.
Context for cascade delete features.
QList< QgsVectorLayer * > handledLayers(bool includeAuxiliaryLayers=true) const
Returns a list of all layers affected by the delete operation.
QMap< QgsVectorLayer *, QgsFeatureIds > mHandledFeatures
QgsFeatureIds handledFeatures(QgsVectorLayer *layer) const
Returns a list of feature IDs from the specified layer affected by the delete operation.
Setting options for loading vector layers.
bool skipCrsValidation
Controls whether the layer is allowed to have an invalid/unknown CRS.
bool forceReadOnly
Controls whether the layer is forced to be load as Read Only.
bool loadDefaultStyle
Set to true if the default layer style should be loaded.
QgsCoordinateTransformContext transformContext
Coordinate transform context.
QgsCoordinateReferenceSystem fallbackCrs
Fallback layer coordinate reference system.
Qgis::WkbType fallbackWkbType
Fallback geometry type.
bool loadAllStoredStyles
Controls whether the stored styles will be all loaded.