18#ifndef QGSVECTORLAYER_H
19#define QGSVECTORLAYER_H
60class QgsGeometryVertexIndex;
404 Q_PROPERTY( QString subsetString READ subsetString WRITE setSubsetString NOTIFY subsetStringChanged )
405 Q_PROPERTY( QString displayExpression READ displayExpression WRITE setDisplayExpression NOTIFY displayExpressionChanged )
406 Q_PROPERTY(
QgsEditFormConfig editFormConfig READ editFormConfig WRITE setEditFormConfig NOTIFY editFormConfigChanged )
407 Q_PROPERTY(
bool readOnly READ isReadOnly WRITE setReadOnly NOTIFY readOnlyChanged )
408 Q_PROPERTY(
bool supportsEditing READ supportsEditing NOTIFY supportsEditingChanged )
409 Q_PROPERTY(
QgsFields fields READ fields NOTIFY updatedFields )
430 bool readExtentFromXml =
false )
431 : loadDefaultStyle( loadDefaultStyle )
432 , readExtentFromXml( readExtentFromXml )
440 bool loadDefaultStyle =
true,
441 bool readExtentFromXml =
false
443 : loadDefaultStyle( loadDefaultStyle )
444 , readExtentFromXml( readExtentFromXml )
445 , transformContext( transformContext )
449 bool loadDefaultStyle =
true;
455 bool readExtentFromXml =
false;
502 bool skipCrsValidation =
false;
515 bool forceReadOnly =
false;
529 bool loadAllStoredStyles =
false;
550 QList<QgsVectorLayer *> handledLayers(
bool includeAuxiliaryLayers =
true )
const;
557 QMap<QgsVectorLayer *, QgsFeatureIds> mHandledFeatures
SIP_SKIP;
575 explicit QgsVectorLayer(
const QString &path = QString(),
const QString &baseName = QString(),
584 SIP_PYOBJECT __repr__();
586 QString
str = QStringLiteral(
"<QgsVectorLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider() ? sipCpp->dataProvider()->name() : QStringLiteral(
"Invalid" ) );
587 sipRes = PyUnicode_FromString(
str.toUtf8().constData() );
604 QString storageType() const;
609 QString capabilitiesString() const;
621 bool isSqlQuery() const;
629 Qgis::VectorLayerTypeFlags vectorLayerTypeFlags() const;
635 QString dataComment() const;
644 QString displayField() const;
653 void setDisplayExpression( const QString &displayExpression );
661 QString displayExpression() const;
663 bool hasMapTips() const
FINAL;
682 void setProviderEncoding( const QString &encoding );
685 void setCoordinateSystem();
698 bool removeJoin( const QString &joinLayerId );
711 const QList<QgsVectorLayerJoinInfo> vectorJoins()
const;
739 int addExpressionField( const QString &exp, const
QgsField &fld );
747 void removeExpressionField(
int index );
757 QString expressionField(
int index ) const;
767 void updateExpressionField(
int index, const QString &exp );
789 int selectedFeatureCount()
const;
838 Q_INVOKABLE
void invertSelection();
841 Q_INVOKABLE
void selectAll();
850 Q_INVOKABLE
void invertSelectionInRectangle(
QgsRectangle &rect );
901 bool labelsEnabled()
const;
912 void setLabelsEnabled(
bool enabled );
918 bool diagramsEnabled()
const;
972 void removeFeatureRendererGenerator(
const QString &
id );
981 QList< const QgsFeatureRendererGenerator * > featureRendererGenerators()
const;
990 QString sourceName() const
FINAL;
1005 QString decodedSource( const QString &source, const QString &provider, const
QgsReadWriteContext &context ) const
FINAL;
1024 bool loadAuxiliaryLayer( const
QgsAuxiliaryStorage &storage, const QString &key = QString() );
1048 bool readSymbology( const QDomNode &layerNode, QString &errorMessage,
1050 bool readStyle( const QDomNode &node, QString &errorMessage,
1052 bool writeSymbology( QDomNode &node, QDomDocument &doc, QString &errorMessage,
1054 bool writeStyle( QDomNode &node, QDomDocument &doc, QString &errorMessage,
1065 bool writeSld( QDomNode &node, QDomDocument &doc, QString &errorMessage, const QVariantMap &props = QVariantMap() ) const;
1067 bool readSld( const QDomNode &node, QString &errorMessage )
FINAL;
1074 long long featureCount( const QString &legendKey ) const;
1082 QgsFeatureIds symbolFeatureIds( const QString &legendKey ) const;
1094 Qgis::FeatureAvailability hasFeatures() const
FINAL;
1096 QString loadDefaultStyle(
bool &resultFlag
SIP_OUT )
FINAL;
1119 virtual
bool setSubsetString( const QString &subset );
1125 virtual QString subsetString() const;
1202 bool updateFeature(
QgsFeature &feature,
bool skipDefaultValues = false );
1215 bool insertVertex(
double x,
double y,
QgsFeatureId atFeatureId,
int beforeVertex );
1240 bool moveVertex(
double x,
double y,
QgsFeatureId atFeatureId,
int atVertex );
1272 Q_INVOKABLE
bool deleteSelectedFeatures(
int *deletedCount =
nullptr,
QgsVectorLayer::DeleteContext *context =
nullptr );
1361#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
1427 Q_INVOKABLE
int translateFeature(
QgsFeatureId featureId,
double dx,
double dy );
1470 Q_INVOKABLE
Qgis::GeometryOperationResult splitParts( const
QgsPointSequence &splitLine,
bool topologicalEditing = false );
1492 Q_DECL_DEPRECATED
Qgis::GeometryOperationResult splitFeatures( const QVector<
QgsPointXY> &splitLine,
bool topologicalEditing = false )
SIP_DEPRECATED;
1513 Q_INVOKABLE
Qgis::GeometryOperationResult splitFeatures( const
QgsPointSequence &splitLine,
bool topologicalEditing = false );
1537 Q_INVOKABLE
Qgis::GeometryOperationResult splitFeatures( const
QgsCurve *curve,
QgsPointSequence &topologyTestPoints
SIP_OUT,
bool preserveCircular = false,
bool topologicalEditing = false );
1552 int addTopologicalPoints( const
QgsGeometry &geom );
1588 int addTopologicalPoints( const
QgsPoint &p );
1631 bool isSpatial() const
FINAL;
1634 bool isModified() const override;
1641 bool isAuxiliaryField(
int index,
int &srcIndex ) const;
1644 void reload()
FINAL;
1688 bool setReadOnly(
bool readonly = true );
1695 bool supportsEditing() const override;
1751 Q_INVOKABLE
bool changeAttributeValue(
QgsFeatureId fid,
int field, const QVariant &newValue, const QVariant &oldValue = QVariant(),
bool skipDefaultValues = false,
QgsVectorLayerToolsContext *context =
nullptr );
1800 bool addAttribute( const
QgsField &field );
1806 void setFieldAlias(
int index, const QString &aliasString );
1812 void removeFieldAlias(
int index );
1823 bool renameAttribute(
int index, const QString &newName );
1831 QString attributeAlias(
int index ) const;
1834 QString attributeDisplayName(
int index ) const;
1865 if ( a0 < 0 || a0 >= sipCpp->fields().count() )
1867 PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
1872 sipCpp->setFieldSplitPolicy( a0, a1 );
1885 if ( a0 < 0 || a0 >= sipCpp->fields().count() )
1887 PyErr_SetString( PyExc_KeyError, QByteArray::number( a0 ) );
1892 sipCpp->setFieldDuplicatePolicy( a0, a1 );
1901 Q_DECL_DEPRECATED QSet<QString> excludeAttributesWms() const
SIP_DEPRECATED;
1907 Q_DECL_DEPRECATED
void setExcludeAttributesWms( const QSet<QString> &att )
SIP_DEPRECATED;
1913 Q_DECL_DEPRECATED QSet<QString> excludeAttributesWfs() const
SIP_DEPRECATED;
1919 Q_DECL_DEPRECATED
void setExcludeAttributesWfs( const QSet<QString> &att )
SIP_DEPRECATED;
1929 virtual
bool deleteAttribute(
int attr );
1938 bool deleteAttributes( const QList<
int> &attrs );
1992 Q_INVOKABLE
bool commitChanges(
bool stopEditing = true );
1999 QStringList commitErrors() const;
2010 Q_INVOKABLE
bool rollBack(
bool deleteBuffer = true );
2018 QList<
QgsRelation> referencingRelations(
int idx ) const;
2054 void beginEditCommand(
const QString &text );
2057 void endEditCommand();
2060 void destroyEditCommand();
2066 Q_DECL_DEPRECATED
static void drawVertexMarker(
double x,
double y, QPainter &p,
Qgis::VertexMarkerType type,
int vertexSize );
2076 void updateFields();
2104 void setDefaultValueDefinition(
int index,
const QgsDefaultValue &definition );
2129 QMap< QgsFieldConstraints::Constraint, QgsFieldConstraints::ConstraintStrength> fieldConstraintsAndStrength(
int fieldIndex )
const;
2154 QString constraintExpression(
int index )
const;
2162 QString constraintDescription(
int index )
const;
2171 void setConstraintExpression(
int index,
const QString &expression,
const QString &description = QString() );
2239 QStringList uniqueStringsMatching(
int index, const QString &substring,
int limit = -1,
2256 QVariant minimumValue(
int index ) const
FINAL;
2272 QVariant maximumValue(
int index ) const
FINAL;
2294 void minimumAndMaximumValue(
int index, QVariant &minimum
SIP_OUT, QVariant &maximum
SIP_OUT ) const;
2309 QVariant aggregate(
Qgis::Aggregate aggregate,
2310 const QString &fieldOrExpression,
2319 void setFeatureBlendMode( QPainter::CompositionMode blendMode );
2321 QPainter::CompositionMode featureBlendMode() const;
2323 QString htmlMetadata() const
FINAL;
2386 void setReadExtentFromXml(
bool readExtentFromXml );
2394 bool readExtentFromXml() const;
2400 bool isEditCommandActive()
const {
return mEditCommandActive; }
2445 void setAllowCommit(
bool allowCommit )
SIP_SKIP;
2490 Q_INVOKABLE
void deselect(
const QgsFeatureIds &featureIds );
2498 Q_INVOKABLE
void removeSelection();
2518 virtual void updateExtents(
bool force =
false );
2534 Q_INVOKABLE
bool startEditing();
2796 void invalidateSymbolCountedFlag();
2797 void onFeatureCounterCompleted();
2798 void onFeatureCounterTerminated();
2799 void onJoinedFieldsChanged();
2801 void onRelationsLoaded();
2802 void onSymbolsCounted();
2803 void onDirtyTransaction(
const QString &sql,
const QString &name );
2804 void emitDataChanged();
2805 void onAfterCommitChangesDependency();
2819 bool isReadOnly() const
FINAL;
2827 bool setDataProvider( QString const &provider, const
QgsDataProvider::ProviderOptions &options,
Qgis::DataProviderReadFlags flags =
Qgis::DataProviderReadFlags() );
2840 void setDataSourcePrivate( const QString &dataSource, const QString &baseName, const QString &provider, const
QgsDataProvider::ProviderOptions &options,
Qgis::DataProviderReadFlags flags ) override;
2843 void readSldLabeling( const QDomNode &node );
2857 void minimumOrMaximumValue(
int index, QVariant *minimum, QVariant *maximum )
const;
2859 void createEditBuffer();
2860 void clearEditBuffer();
2869 QString mDisplayExpression;
2875 bool mDataSourceReadOnly =
false;
2883 bool mReadOnly =
false;
2904 QMap<QString, QgsDefaultValue> mDefaultExpressionMap;
2907 QMap< QString, Qgis::FieldDomainSplitPolicy > mAttributeSplitPolicy;
2910 QMap< QString, Qgis::FieldDuplicatePolicy > mAttributeDuplicatePolicy;
2913 QSet<int> mDefaultValueOnUpdateFields;
2916 QMap< QString, QgsFieldConstraints::Constraints > mFieldConstraints;
2922 QMap< QString, QPair< QString, QString > > mFieldConstraintExpressions;
2924 QMap< QString, Qgis::FieldConfigurationFlags > mFieldConfigurationFlags;
2925 QMap< QString, QgsEditorWidgetSetup > mFieldWidgetSetups;
2943 bool mLabelsEnabled =
false;
2946 bool mLabelFontNotFoundNotified =
false;
2949 QPainter::CompositionMode mFeatureBlendMode = QPainter::CompositionMode_SourceOver;
2952 bool mVertexMarkerOnlyForSelection =
false;
2954 QStringList mCommitErrors;
2974 mutable bool mValidExtent2D =
false;
2975 mutable bool mLazyExtent2D =
true;
2976 mutable bool mValidExtent3D =
false;
2977 mutable bool mLazyExtent3D =
true;
2980 std::unique_ptr<QgsAuxiliaryLayer> mAuxiliaryLayer;
2983 QString mAuxiliaryLayerKey;
2986 bool mSymbolFeatureCounted =
false;
2989 QHash<QString, long long> mSymbolFeatureCountMap;
2990 QHash<QString, QgsFeatureIds> mSymbolFeatureIdMap;
2993 bool mEditCommandActive =
false;
2996 bool mCommitChangesActive =
false;
2998 bool mReadExtentFromXml;
3006 mutable QMutex mFeatureSourceConstructorMutex;
3010 std::unique_ptr<QgsGeometryOptions> mGeometryOptions;
3012 bool mAllowCommit =
true;
3020 bool mDataChangedFired =
false;
3022 QList<QgsWeakRelation> mWeakRelations;
3024 bool mSetLegendFromStyle =
false;
3026 QList< QgsFeatureRendererGenerator * > mRendererGenerators;
3029 QTimer *mRefreshRendererTimer =
nullptr;
3034 bool mLoadAllStoredStyle =
false;
The Qgis class provides global constants for use throughout the application.
GeometryOperationResult
Success or failure of a geometry operation.
SpatialIndexPresence
Enumeration of spatial index presence states.
VectorRenderingSimplificationFlag
Simplification flags for vector feature rendering.
FieldDomainSplitPolicy
Split policy for field domains.
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
FieldDuplicatePolicy
Duplicate policy for fields.
VertexMarkerType
Editing vertex markers, used for showing vertices during a edit operation.
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...
QFlags< FieldConfigurationFlag > FieldConfigurationFlags
Configuration flags for fields These flags are meant to be user-configurable and are not describing a...
SelectBehavior
Specifies how a selection should be applied.
@ SetSelection
Set selection, removing any existing selection.
Abstract base class for simplify geometries using a specific algorithm.
Abstract base class for objects which generate elevation profiles.
Interface for classes which can generate elevation profiles.
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
Storage and management of actions associated with a layer.
Utility class for calculating aggregates for a field (or expression) over the features from a vector ...
This is a container for configuration of the attribute table.
Class allowing to manage the auxiliary storage for a vector layer.
Class providing some utility methods to manage auxiliary storage.
A 3-dimensional box composed of x, y, z coordinates.
The QgsConditionalLayerStyles class holds conditional style information for a layer.
This class represents a coordinate reference system (CRS).
Contains information about the context in which a coordinate transform is executed.
Abstract base class for curved geometry type.
Abstract base class for spatial data provider implementations.
The QgsDefaultValue class provides a container for managing client side default values for fields.
Stores the settings for rendering of all diagrams for a layer.
Evaluates and returns the diagram settings relating to a diagram for a specific feature.
Abstract interface for generating an expression context.
virtual QgsExpressionContext createExpressionContext() const =0
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Abstract interface for generating an expression context scope.
Single scope for storing variables and functions for use within a QgsExpressionContext.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Buffers information about expression fields for a vector layer.
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.
An interface for objects which generate feature renderers for vector layers.
Abstract base class for all 2D vector feature renderers.
This class wraps a request for features to a vector layer (or directly its vector data provider).
An interface for objects which accept features via addFeature(s) methods.
virtual bool addFeature(QgsFeature &feature, QgsFeatureSink::Flags flags=QgsFeatureSink::Flags())
Adds a single feature to the sink.
An interface for objects which provide features via a getFeatures method.
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::WkbType wkbType() const =0
Returns the geometry type for features returned by this source.
virtual Qgis::SpatialIndexPresence hasSpatialIndex() const
Returns an enum value representing the presence of a valid spatial index on the source,...
virtual QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const =0
Returns an iterator for the features in the source.
virtual long long featureCount() const =0
Returns the number of features contained in the source, or -1 if the feature count is unknown.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
ConstraintStrength
Strength of constraints.
@ ConstraintStrengthHard
Constraint must be honored before feature can be accepted.
Constraint
Constraints which may be present on a field.
QFlags< Constraint > Constraints
Encapsulate a field in an attribute table or data source.
Container of fields for a vector layer.
QgsAttributeList allAttributesList() const
Utility function to get list of attribute indexes.
The QgsGeometryOptions class contains options to automatically adjust geometries to constraints on a ...
A geometry is the spatial representation of a feature.
Base class for storage of map layer elevation properties.
Base class for utility classes that encapsulate information necessary for rendering of map layers.
Base class for storage of map layer selection properties.
Base class for storage of map layer temporal properties.
Base class for all map layer types.
virtual bool accept(QgsStyleEntityVisitorInterface *visitor) const
Accepts the specified symbology visitor, causing it to visit all symbols associated with the layer.
virtual bool setDependencies(const QSet< QgsMapLayerDependency > &layers)
Sets the list of dependencies.
virtual void setExtent3D(const QgsBox3D &box)
Sets the extent.
virtual QSet< QgsMapLayerDependency > dependencies() const
Gets the list of dependencies.
friend class QgsVectorLayer
virtual bool isEditable() const
Returns true if the layer can be edited.
virtual QgsMapLayer * clone() const =0
Returns a new instance equivalent to this one except for the id which is still unique.
virtual void setExtent(const QgsRectangle &rect)
Sets the extent.
virtual void setTransformContext(const QgsCoordinateTransformContext &transformContext)=0
Sets the coordinate transform context to transformContext.
Perform transforms between map coordinates and device coordinates.
Contains settings for how a map layer will be labeled.
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...
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
The class is used as a container of context for various read/write operations on other objects.
A rectangle specified with double values.
This class manages a set of relations between layers.
Represents a relationship between two vector layers.
Contains information about the context of a rendering operation.
A boolean settings entry.
A template class for enum and flag settings entry.
Manages stored expressions regarding creation, modification and storing in the project.
An interface for classes which can visit style entity (e.g.
Abstract base class for all rendered symbols.
This is the base class for vector data providers.
The edit buffer group manages a group of edit buffers.
Stores queued vector layer edit operations prior to committing changes to the layer's data provider.
Vector layer specific subclass of QgsMapLayerElevationProperties.
Counts the features in a QgsVectorLayer in task.
Partial snapshot of vector layer's state (only the members necessary for access to features)
Manages joined fields for a vector layer.
Defines left outer join from our vector layer to some other vector layer.
Implementation of layer selection properties for vector layers.
Implementation of map layer temporal properties for vector layers.
Contains settings which reflect the context in which vector layer tool operations should consider.
Represents a vector layer which manages a vector based data sets.
void committedFeaturesAdded(const QString &layerId, const QgsFeatureList &addedFeatures)
Emitted when features are added to the provider if not in transaction mode.
void labelingFontNotFound(QgsVectorLayer *layer, const QString &fontfamily)
Emitted when the font family defined for labeling layer is not found on system.
void featureBlendModeChanged(QPainter::CompositionMode blendMode)
Signal emitted when setFeatureBlendMode() is called.
void beforeRemovingExpressionField(int idx)
Will be emitted, when an expression field is going to be deleted from this vector layer.
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.
void attributeAdded(int idx)
Will be emitted, when a new attribute has been added to this vector layer.
QgsAbstractVectorLayerLabeling * labeling()
Access to labeling configuration.
void allowCommitChanged()
Emitted whenever the allowCommit() property of this layer changes.
void editCommandStarted(const QString &text)
Signal emitted when a new edit command has been started.
const QgsDiagramLayerSettings * diagramLayerSettings() const
const QgsVectorLayerJoinBuffer * joinBuffer() const
Returns a const pointer on join buffer object.
void editCommandDestroyed()
Signal emitted, when an edit command is destroyed.
QgsVectorLayer(const QgsVectorLayer &rhs)=delete
void featuresDeleted(const QgsFeatureIds &fids)
Emitted when features have been deleted.
void subsetStringChanged()
Emitted when the layer's subset string has changed.
void committedFeaturesRemoved(const QString &layerId, const QgsFeatureIds &deletedFeatureIds)
Emitted when features are deleted from the provider if not in transaction mode.
void symbolFeatureCountMapChanged()
Emitted when the feature count for symbols on this layer has been recalculated.
void writeCustomSymbology(QDomElement &element, QDomDocument &doc, QString &errorMessage) const
Signal emitted whenever the symbology (QML-file) for this layer is being written.
void attributeDeleted(int idx)
Will be emitted, when an attribute has been deleted from this vector layer.
QgsVectorLayer & operator=(QgsVectorLayer const &rhs)=delete
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 committedAttributesDeleted(const QString &layerId, const QgsAttributeList &deletedAttributes)
Emitted when attributes are deleted from the provider if not in transaction mode.
void displayExpressionChanged()
Emitted when the display expression changes.
const QgsActionManager * actions() const
Returns all layer actions defined on this layer.
void editFormConfigChanged()
Will be emitted whenever the edit form configuration of this layer changes.
void afterCommitChanges()
Emitted after changes are committed to the data provider.
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 attributeValueChanged(QgsFeatureId fid, int idx, const QVariant &value)
Emitted whenever an attribute value change is done in the edit buffer.
QgsFeatureIterator getFeatures(const QgsFeatureIds &fids)
Queries the layer for the features with the given ids.
void afterRollBack()
Emitted after changes are rolled back.
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.
void updatedFields()
Emitted whenever the fields available from this layer have been changed.
void featureAdded(QgsFeatureId fid)
Emitted when a new feature has been added to the layer.
void featureDeleted(QgsFeatureId fid)
Emitted when a feature has been deleted.
void readCustomSymbology(const QDomElement &element, QString &errorMessage)
Signal emitted whenever the symbology (QML-file) for this layer is being read.
const QgsVectorLayerEditBuffer * editBuffer() const
Buffer with uncommitted editing operations.
void beforeRollBack()
Emitted before changes are rolled back.
void geometryChanged(QgsFeatureId fid, const QgsGeometry &geometry)
Emitted whenever a geometry change is done in the edit buffer.
QgsFeatureIterator getFeatures(const QgsRectangle &rectangle)
Queries the layer for the features which intersect the specified rectangle.
const QgsFeatureRenderer * renderer() const
Returns the feature renderer used for rendering the features in the layer in 2D map views.
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.
const QgsDiagramRenderer * diagramRenderer() const
This class contains information how to simplify geometries fetched from a vector layer.
The QgsWeakRelation class represent a QgsRelation with possibly unresolved layers or unmatched fields...
QMap< QString, QString > QgsStringMap
QVector< QgsPoint > QgsPointSequence
QMap< int, QVariant > QgsAttributeMap
QMap< QgsFeatureId, QgsGeometry > QgsGeometryMap
QMap< QgsFeatureId, QgsAttributeMap > QgsChangedAttributesMap
QList< QgsFeature > QgsFeatureList
QSet< QgsFeatureId > QgsFeatureIds
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
QList< int > QgsAttributeList
QList< int > QgsAttributeList
QSet< int > QgsAttributeIds
Context for cascade delete features.
DeleteContext(bool cascade=false, QgsProject *project=nullptr)
Constructor for DeleteContext.
Setting options for loading vector layers.
LayerOptions(bool loadDefaultStyle=true, bool readExtentFromXml=false)
Constructor for LayerOptions.
LayerOptions(const QgsCoordinateTransformContext &transformContext, bool loadDefaultStyle=true, bool readExtentFromXml=false)
Constructor for LayerOptions.
QgsCoordinateReferenceSystem fallbackCrs
Fallback layer coordinate reference system.