24 template <
class Key,
class T>
void mapToReversedLists(
const QMap< Key, T > &map, QList<Key> &ks, QList<T> &vs )
26 ks.reserve( map.size() );
27 vs.reserve( map.size() );
28 typename QMap<Key, T>::const_iterator i = map.constEnd();
29 while ( i-- != map.constBegin() )
32 vs.append( i.value() );
73 fields[ renameIt.key()].setName( renameIt.value() );
102 for ( QgsAttributeMap::const_iterator it = map.begin(); it != map.end(); ++it )
103 attrs[it.key()] = it.value();
134 for ( QgsFeatureList::iterator iter = features.begin(); iter != features.end(); ++iter )
149 QgsDebugMsg(
"Cannot delete features (missing DeleteFeature capability)" );
157 QgsDebugMsg(
"Cannot delete features (in the list of added features)" );
165 QgsDebugMsg(
"Cannot delete features (in the list of deleted features)" );
178 QgsDebugMsg(
"Cannot delete features (missing DeleteFeatures capability)" );
214 for (
auto it = newValues.constBegin() ; it != newValues.constEnd(); ++it )
216 const int field = it.key();
217 const QVariant newValue = it.value();
220 if ( oldValues.contains( field ) )
221 oldValue = oldValues[field];
256 if ( field.
name().isEmpty() )
261 if ( updatedField.
name() == field.
name() )
300 if ( newName.isEmpty() )
308 if ( updatedField.
name() == newName )
320 commitErrors.clear();
342 if ( ( !
f.hasGeometry() ) ||
343 (
f.geometry().wkbType() == provider->
wkbType() ) )
348 commitErrors << tr(
"ERROR: %n feature(s) not added - geometry type is not compatible with the current layer.",
"not added features count",
mAddedFeatures.size() );
357 commitErrors << tr(
"ERROR: %n feature(s) not added - provider doesn't support adding features.",
"not added features count",
mAddedFeatures.size() );
369 commitErrors << tr(
"SUCCESS: %n geometries were changed.",
"changed geometries count",
mChangedGeometries.size() );
376 commitErrors << tr(
"ERROR: %n geometries not changed.",
"not changed geometries count",
mChangedGeometries.size() );
386 bool attributesChanged =
false;
391 commitErrors << tr(
"SUCCESS: %n attribute(s) deleted.",
"deleted attributes count",
mDeletedAttributeIds.size() );
396 attributesChanged =
true;
400 commitErrors << tr(
"ERROR: %n attribute(s) not deleted.",
"not deleted attributes count",
mDeletedAttributeIds.size() );
402 QString list =
"ERROR: Pending attribute deletes:";
407 commitErrors << list;
420 commitErrors << tr(
"SUCCESS: %n attribute(s) added.",
"added attributes count",
mAddedAttributes.size() );
425 attributesChanged =
true;
429 commitErrors << tr(
"ERROR: %n new attribute(s) not added",
"not added attributes count",
mAddedAttributes.size() );
431 QString list =
"ERROR: Pending adds:";
434 list.append(
' ' + f.
name() );
436 commitErrors << list;
447 commitErrors << tr(
"SUCCESS: %n attribute(s) renamed.",
"renamed attributes count",
mRenamedAttributes.size() );
452 attributesChanged =
true;
456 commitErrors << tr(
"ERROR: %n attribute(s) not renamed",
"not renamed attributes count",
mRenamedAttributes.size() );
464 bool attributeChangesOk =
true;
465 if ( attributesChanged )
472 commitErrors << tr(
"ERROR: the count of fields is incorrect after addition/removal of fields!" );
473 attributeChangesOk =
false;
476 for (
int i = 0; i < std::min( oldFields.
count(), newFields.
count() ); ++i )
480 if ( attributeChangesOk && oldField != newField )
483 << tr(
"ERROR: field with index %1 is not the same!" ).arg( i )
486 << QStringLiteral(
"%1: name=%2 type=%3 typeName=%4 len=%5 precision=%6" )
487 .arg( tr(
"expected field" ),
489 QVariant::typeToName( oldField.
type() ),
493 << QStringLiteral(
"%1: name=%2 type=%3 typeName=%4 len=%5 precision=%6" )
494 .arg( tr(
"retrieved field" ),
496 QVariant::typeToName( newField.
type() ),
500 attributeChangesOk =
false;
505 if ( attributeChangesOk )
534 commitErrors << tr(
"SUCCESS: %n attribute value(s) changed.",
"changed attribute values count",
mChangedAttributeValues.size() );
541 commitErrors << tr(
"ERROR: %n attribute value change(s) not applied.",
"not changed attribute values count",
mChangedAttributeValues.size() );
543 QString list =
"ERROR: pending changes:";
553 commitErrors << list;
567 commitErrors << tr(
"SUCCESS: %n feature(s) deleted.",
"deleted features count",
mDeletedFeatureIds.size() );
581 commitErrors << tr(
"ERROR: %n feature(s) not deleted.",
"not deleted features count",
mDeletedFeatureIds.size() );
583 QString list =
"ERROR: pending deletes:";
588 commitErrors << list;
601 QList<QgsFeatureId> ids;
609 commitErrors << tr(
"SUCCESS: %n feature(s) added.",
"added features count", featuresToAdd.size() );
614 for (
int i = 0; i < featuresToAdd.count(); ++i )
616 if ( featuresToAdd[i].
id() != ids[i] )
619 if (
L->mSelectedFeatureIds.contains( ids[i] ) )
621 L->mSelectedFeatureIds.remove( ids[i] );
622 L->mSelectedFeatureIds.insert( featuresToAdd[i].
id() );
633 commitErrors << tr(
"ERROR: %n feature(s) not added.",
"not added features count",
mAddedFeatures.size() );
635 QString list =
"ERROR: pending adds:";
645 commitErrors << list;
652 commitErrors << tr(
"ERROR: %n feature(s) not added - provider doesn't support adding features.",
"not added features count",
mAddedFeatures.size() );
664 commitErrors << tr(
"\n Provider errors:" );
665 Q_FOREACH ( QString e, provider->
errors() )
667 commitErrors <<
" " + e.replace(
'\n', QLatin1String(
"\n " ) );
693 QString QgsVectorLayerEditBuffer::dumpEditBuffer()
698 msg +=
"CHANGED GEOMETRIES:\n";
702 msg += QString(
"- FID %1: %2" ).arg( it.key() ).arg( it.value().to );
723 attrs.insert( index, QVariant() );
724 featureIt->setAttributes( attrs );
730 std::sort( sortedRenamedIndices.begin(), sortedRenamedIndices.end(), std::greater< int >() );
731 Q_FOREACH (
int renameIndex, sortedRenamedIndices )
733 if ( renameIndex >= index )
750 if ( attrMap.contains( index ) )
751 attrMap.remove( index );
762 attrs.remove( index );
763 featureIt->setAttributes( attrs );
769 std::sort( sortedRenamedIndices.begin(), sortedRenamedIndices.end() );
772 Q_FOREACH (
int renameIndex, sortedRenamedIndices )
774 if ( renameIndex > index )
790 for ( QgsAttributeMap::const_iterator it = map.constBegin(); it != map.constEnd(); ++it )
792 int attrIndex = it.key();
793 updatedMap.insert( attrIndex < index ? attrIndex : attrIndex + offset, it.value() );
void updateFields()
Will regenerate the fields property of this layer by obtaining all fields from the dataProvider...
void updateChangedAttributes(QgsFeature &f)
Update feature with uncommitted attribute updates.
void handleAttributeDeleted(int index)
Update added and changed features after removal of an attribute.
Field comes from a joined layer (originIndex / 1000 = index of the join, originIndex % 1000 = index w...
virtual bool renameAttribute(int attr, const QString &newName)
Renames an attribute field (but does not commit it)
virtual bool addAttribute(const QgsField &field)
Add an attribute field (but does not commit it) returns true if the field was added.
int size() const
Return number of items.
FieldOrigin fieldOrigin(int fieldIdx) const
Get field's origin (value from an enumeration)
virtual QgsVectorDataProvider::Capabilities capabilities() const
Returns flags containing the supported capabilities.
QgsWkbTypes::Type wkbType() const override=0
Returns the geometry type which is returned by this layer.
void undoIndexChanged(int index)
void committedAttributesDeleted(const QString &layerId, const QgsAttributeList &deletedAttributes)
Signals emitted after committing changes.
void mapToReversedLists(const QMap< Key, T > &map, QList< Key > &ks, QList< T > &vs)
populate two lists (ks, vs) from map - in reverse order
virtual bool addAttributes(const QList< QgsField > &attributes)
Adds new attributes to the provider.
virtual bool addFeatures(QgsFeatureList &features)
Insert a copy of the given features into the layer (but does not commit it)
QString storageType() const
Returns the permanent storage type for this layer as a friendly name.
virtual bool addFeature(QgsFeature &f)
Adds a feature.
Field has been temporarily added in editing mode (originIndex = index in the list of added attributes...
void committedAttributesAdded(const QString &layerId, const QList< QgsField > &addedAttributes)
QSet< QgsFeatureId > QgsFeatureIds
bool addFeatures(QgsFeatureList &flist, QgsFeatureSink::Flags flags=nullptr) override
Adds a list of features to the sink.
QList< QgsFeature > QgsFeatureList
virtual bool deleteFeatures(const QgsFeatureIds &id)
Deletes one or more features from the provider.
virtual bool renameAttributes(const QgsFieldNameMap &renamedAttributes)
Renames existing attributes.
#define FID_TO_STRING(fid)
friend class QgsVectorLayerUndoCommandChangeGeometry
Container of fields for a vector layer.
virtual void rollBack()
Stop editing and discard the edits.
A geometry is the spatial representation of a feature.
void setAttributes(const QgsAttributes &attrs)
Sets the feature's attributes.
friend class QgsVectorLayerUndoCommandAddAttribute
QgsChangedAttributesMap mChangedAttributeValues
Changed attributes values which are not committed.
void updateFeatureGeometry(QgsFeature &f)
Update feature with uncommitted geometry updates.
Allows deletion of attributes (fields)
Field comes from the underlying data provider of the vector layer (originIndex = index in provider's ...
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
QgsFieldNameMap mRenamedAttributes
Renamed attributes which are not committed.
friend class QgsVectorLayerUndoCommandRenameAttribute
int count() const
Return number of items.
friend class QgsVectorLayerUndoCommandDeleteAttribute
bool supportedType(const QgsField &field) const
check if provider supports type of field
QgsField at(int i) const
Get field at particular index (must be in range 0..N-1)
int fieldOriginIndex(int fieldIdx) const
Get field's origin index (its meaning is specific to each type of origin)
virtual bool doesStrictFeatureTypeCheck() const
Returns true if the provider is strict about the type of inserted features (e.g.
void featureAdded(QgsFeatureId fid)
void committedGeometriesChanges(const QString &layerId, const QgsGeometryMap &changedGeometries)
virtual void updateExtents(bool force=false)
Update the extents for the layer.
QString id() const
Returns the layer's unique ID, which is used to access this layer from QgsProject.
QgsFields fields() const override
Returns the list of fields of this layer.
Allows addition of new attributes (fields)
#define QgsDebugMsgLevel(str, level)
QString typeName() const
Gets the field type.
friend class QgsVectorLayerUndoCommandAddFeature
virtual bool changeAttributeValues(const QgsChangedAttributesMap &attr_map)
Changes attribute values of existing features.
virtual bool changeFeatures(const QgsChangedAttributesMap &attr_map, const QgsGeometryMap &geometry_map)
Changes attribute values and geometries of existing features.
QMap< int, QVariant > QgsAttributeMap
QgsGeometryMap mChangedGeometries
Changed geometries which are not committed.
virtual bool isModified() const
Returns true if the provider has been modified since the last commit.
QStringList errors() const
Get recorded errors.
virtual bool changeGeometry(QgsFeatureId fid, const QgsGeometry &geom)
Change feature's geometry.
bool isSpatial() const override
Returns true if this is a geometry layer and false in case of NoGeometry (table only) or UnknownGeome...
void handleAttributeAdded(int index)
Update added and changed features after addition of an attribute.
Allows modifications of geometries.
bool append(const QgsField &field, FieldOrigin origin=OriginProvider, int originIndex=-1)
Append a field. The field must have unique name, otherwise it is rejected (returns false) ...
virtual bool deleteFeatures(const QgsFeatureIds &fid)
Deletes a set of features from the layer (but does not commit it)
void clearErrors()
Clear recorded errors.
QgsGeometry convertToProviderType(const QgsGeometry &geom) const
Converts the geometry to the provider type if possible / necessary.
QgsFeatureIds mDeletedFeatureIds
Deleted feature IDs which are not committed.
Encapsulate a field in an attribute table or data source.
virtual bool changeAttributeValues(QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues)
Changes values of attributes (but does not commit it).
virtual bool changeGeometryValues(const QgsGeometryMap &geometry_map)
Changes geometries of existing features.
void updateAttributeMapIndex(QgsAttributeMap &attrs, int index, int offset) const
Updates an index in an attribute map to a new value (for updates of changed attributes) ...
void remove(int fieldIdx)
Remove a field with the given index.
virtual bool commitChanges(QStringList &commitErrors)
Attempts to commit any changes to disk.
virtual bool deleteAttribute(int attr)
Delete an attribute field (but does not commit it)
friend class QgsVectorLayerUndoCommandDeleteFeature
QgsVectorLayerEditBuffer()=default
Constructor for QgsVectorLayerEditBuffer.
QList< QgsField > mAddedAttributes
Added attributes fields which are not committed.
void committedAttributeValuesChanges(const QString &layerId, const QgsChangedAttributesMap &changedAttributesValues)
void committedAttributesRenamed(const QString &layerId, const QgsFieldNameMap &renamedAttributes)
Emitted after committing an attribute rename.
bool hasErrors() const
Provider has errors to report.
void setGeometry(const QgsGeometry &geometry)
Set the feature's geometry.
QgsVectorDataProvider * dataProvider() override
Returns the layer's data provider.
virtual bool deleteAttributes(const QgsAttributeIds &attributes)
Deletes existing attributes from the provider.
virtual bool deleteFeature(QgsFeatureId fid)
Delete a feature from the layer (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)
Allows deletion of features.
QUndoStack * undoStack()
Return pointer to layer's undo stack.
void committedFeaturesRemoved(const QString &layerId, const QgsFeatureIds &deletedFeatureIds)
QString providerType() const
Return the provider type for this layer.
void committedFeaturesAdded(const QString &layerId, const QgsFeatureList &addedFeatures)
This is the base class for vector data providers.
QgsFeatureMap mAddedFeatures
New features which are not committed.
void updateFields(QgsFields &fields)
void layerModified()
This signal is emitted when modifications has been done on layer.
Represents a vector layer which manages a vector based data sets.
Field is calculated from an expression.
QgsAttributeList mDeletedAttributeIds
Deleted attributes fields which are not committed. The list is kept sorted.
Allows modification of attribute values.
void featureDeleted(QgsFeatureId fid)
Supports joint updates for attributes and geometry Providers supporting this should still define Chan...
friend class QgsVectorLayerUndoCommandChangeAttribute