QGIS API Documentation  3.16.0-Hannover (43b64b13f3)
Public Member Functions | List of all members
QgsVectorLayerUndoCommandChangeAttribute Class Reference

Undo command for modifying an attribute of a feature from a vector layer. More...

#include <qgsvectorlayerundocommand.h>

Inheritance diagram for QgsVectorLayerUndoCommandChangeAttribute:
Inheritance graph

Public Member Functions

 QgsVectorLayerUndoCommandChangeAttribute (QgsVectorLayerEditBuffer *buffer, QgsFeatureId fid, int fieldIndex, const QVariant &newValue, const QVariant &oldValue)
 Constructor for QgsVectorLayerUndoCommandChangeAttribute. More...
void redo () override
void undo () override
- Public Member Functions inherited from QgsVectorLayerUndoCommand
 QgsVectorLayerUndoCommand (QgsVectorLayerEditBuffer *buffer)
 Constructor for QgsVectorLayerUndoCommand. More...
int id () const override
QgsVectorLayerlayer ()
 Returns the layer associated with the undo command. More...
bool mergeWith (const QUndoCommand *) override

Additional Inherited Members

- Protected Attributes inherited from QgsVectorLayerUndoCommand
QgsVectorLayerEditBuffermBuffer = nullptr
 Associated edit buffer. More...

Detailed Description

Undo command for modifying an attribute of a feature from a vector layer.

Definition at line 150 of file qgsvectorlayerundocommand.h.

Constructor & Destructor Documentation

◆ QgsVectorLayerUndoCommandChangeAttribute()

QgsVectorLayerUndoCommandChangeAttribute::QgsVectorLayerUndoCommandChangeAttribute ( QgsVectorLayerEditBuffer buffer,
QgsFeatureId  fid,
int  fieldIndex,
const QVariant &  newValue,
const QVariant &  oldValue 

Constructor for QgsVectorLayerUndoCommandChangeAttribute.

bufferassociated edit buffer
fidfeature ID of feature to modify
fieldIndexindex of field to modify
newValuenew value of attribute
oldValueprevious value of attribute

Definition at line 199 of file qgsvectorlayerundocommand.cpp.

Member Function Documentation

◆ redo()

void QgsVectorLayerUndoCommandChangeAttribute::redo ( )

Definition at line 265 of file qgsvectorlayerundocommand.cpp.

◆ undo()

void QgsVectorLayerUndoCommandChangeAttribute::undo ( )

Definition at line 226 of file qgsvectorlayerundocommand.cpp.

The documentation for this class was generated from the following files: