This element of a linked list stores the changes made to the file in an Undo Step. More...

Inheritance diagram for jm::UndoChange:

Public Member Functions
	UndoChange (Object *object) noexcept
	Constructor for UndoChange class.

virtual	~UndoChange () noexcept
	Destructor.

virtual void	swap ()
	This method performs an undo/redo step by swapping the stored value (here) with the value pointed to by the pointer.

Public Attributes
UndoChange *	mNext
	Pointer to the next UndoChange element in the linked list.

UndoChange *	mPrev
	Pointer to the previous UndoChange element in the linked list.

Object *	mObject
	Pointer to the object in which the change is taking place.

jm::String	objname

Detailed Description

This element of a linked list stores the changes made to the file in an Undo Step.

This class should not be derived from Object as it should only be referenced within the UndoManager. External references clearly violate the concept and should be avoided!

Constructor & Destructor Documentation

◆ UndoChange()

jm::UndoChange::UndoChange ( Object * object )

explicitnoexcept

Constructor for UndoChange class.

Parameters

object Pointer to the object in which the change is taking place.

◆ ~UndoChange()

virtual jm::UndoChange::~UndoChange ( )

virtualnoexcept

Destructor.

Member Function Documentation

◆ swap()

virtual void jm::UndoChange::swap ( )

virtual

This method performs an undo/redo step by swapping the stored value (here) with the value pointed to by the pointer.

Note: This method also triggers a regenerate() in EditableObjects.

Reimplemented in jm::UndoChangeBool, jm::UndoChangeInt8, jm::UndoChangeUInt8, jm::UndoChangeInt16, jm::UndoChangeUInt16, jm::UndoChangeInt32, jm::UndoChangeUInt32, jm::UndoChangeInteger, jm::UndoChangeInt64, jm::UndoChangeUInt64, jm::UndoChangeSizeType, jm::UndoChangeFloat, jm::UndoChangeDouble, jm::UndoChangeString, jm::UndoChangeVertex2, jm::UndoChangeVertex3, jm::UndoChangeDate, jm::UndoChangeColour, jm::UndoChangeObjectRef, jm::UndoChangeBuffer, jm::UndoRegenerationMarker, and jm::UndoObjectRelease.

Member Data Documentation

◆ mNext

UndoChange* jm::UndoChange::mNext

Pointer to the next UndoChange element in the linked list.

◆ mObject

Object* jm::UndoChange::mObject

Pointer to the object in which the change is taking place.

◆ mPrev

UndoChange* jm::UndoChange::mPrev

Pointer to the previous UndoChange element in the linked list.

◆ objname

jm::String jm::UndoChange::objname

Public Member Functions

Public Attributes