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UndoBuffer Class Reference

Stores all undo information and handles the undo process. More...

#include <UndoBuffer.h>

List of all members.

Public Methods
	UndoBuffer (QObject *)
	Constructor.
	~UndoBuffer ()
	Destructor.
bool	isEmpty ()
	Returns TRUE if the undo list is empty, otherwise FALSE.
void	clear ()
	Clears the undo list.
void	tidyUp ()
	Tidys up old undo actions.
void	addState (Machine *m, GState *)
	Adds undo information about adding a state. More...
void	addTransition (GTransition *)
	Adds undo information about adding a transition. More...
void	changeState (GState *, GState *, GITransition *)
	Adds undo information about changing a state. More...
void	changeTransition (GTransition *)
	Adds undo information about changing a transition. More...
void	changeInitialTransition (GITransition *)
	Adds undo information about changing the initial transition. More...
void	changeTransitions (QList< GTransition > *)
	Adds undo information about changing several transitions. More...
void	moveMultiple (QList< GState > *, QList< GTransition > *, double, double)
	Adds undo information about moving several objects. More...
void	deleteSelection (QList< GState > *, QList< GTransition > *)
	Adds undo information about deleting the selection. More...
void	deleteState (GState *)
	Adds undo information about deleting the state s.
void	deleteTransition (GTransition *)
	Adds undo information about deleting the transition t.
void	setInitialState (GITransition *)
	Adds undo information about setting the initial state. More...
void	setEndStates (const QList< GState > &sl)
	Adds undo information about setting/resetting the end state. More...
void	changeMachine (Machine *)
	Adds undo information about changing the properties of the machine. More...
void	paste (QList< GState > *, QList< GTransition > *, GState *oldistate, GState *newistate, GITransition *olditrans, GITransition *newitrans, int oldnumbits, int oldnumin, int oldnumout)
	Adds undo information about pasting in objects. More...
void	undo ()
	Undo the last action.
void	undoAddState (Undo *)
	Undo adding a state.
void	undoAddTransition (Undo *)
	Undo adding a transition.
void	undoChangeState (Undo *)
	Undo changing a state.
void	undoChangeTransition (Undo *)
	Undo changing a transition.
void	undoChangeInitialTransition (Undo *)
	Undo changing the initial transition.
void	undoChangeTransitions (Undo *)
	Undo changing several transitions.
void	undoMoveMultiple (Undo *)
	Undo moving several objects.
void	undoDeleteSelection (Undo *)
	Undo deleting the selection.
void	undoDeleteState (Undo *)
	Undo deleting a state.
void	undoDeleteTransition (Undo *)
	Undo deleting a transition.
void	undoSetInitialState (Undo *)
	Undo setting the initial state.
void	undoSetEndStates (Undo *)
	Undo setting/resetting the end state.
void	undoChangeMachine (Undo *)
	Undo changing the machine properties.
void	undoPaste (Undo *)
	Undo pasting of objects.
Private Attributes
Project *	project
	Pointer to the project.
QList< Undo >	undolist
	List of undo objects.

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Detailed Description

Stores all undo information and handles the undo process.

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Member Function Documentation

void UndoBuffer::addState (  Machine * m, GState * s )

Adds undo information about adding a state. Parameters: s   state which was added

void UndoBuffer::addTransition (  GTransition * t )

Adds undo information about adding a transition. Parameters: t   transition which was added

void UndoBuffer::changeInitialTransition (  GITransition * t )

Adds undo information about changing the initial transition. Parameters: t   initial transition containing old information

void UndoBuffer::changeMachine (  Machine * m )

Adds undo information about changing the properties of the machine. Parameters: m   machine containing the old properties

void UndoBuffer::changeState (  GState * old, GState * newSt, GITransition * oldit )

Adds undo information about changing a state. Parameters: old   state containing old information newSt   state containing new information oldit   information about the old initial transition

void UndoBuffer::changeTransition (  GTransition * t )

Adds undo information about changing a transition. Parameters: t   transition containing old information

void UndoBuffer::changeTransitions (  QList< GTransition > * tl )

Adds undo information about changing several transitions. Parameters: tl   list containing transitions with old information

void UndoBuffer::deleteSelection (  QList< GState > * sl, QList< GTransition > * tl )

Adds undo information about deleting the selection. Parameters: sl   list of deleted states tl   list of deleted transitions

void UndoBuffer::moveMultiple (  QList< GState > * sl, QList< GTransition > * tl, double movedbyx, double movedbyy )

Adds undo information about moving several objects. Parameters: sl   list of moved states with old information tl   list of moved transitions with old information movedbyx   x value the objects were moved by movedbyy   y value the objects were moved by

void UndoBuffer::paste (  QList< GState > * sl, QList< GTransition > * tl, GState * oldistate, GState * newistate, GITransition * olditrans, GITransition * newitrans, int numbits, int numin, int numout )

Adds undo information about pasting in objects. Parameters: sl   List of states that were pasted tl   List of transitions that were pasted oldistate   Old initial state newistate   New initial state olditrans   Old initial transition newitrans   New initial transition numbits   Old number of bits numin   Old number of inputs numout   Old number of outputs

void UndoBuffer::setEndStates (  const QList< GState > & sl )

Adds undo information about setting/resetting the end state. Parameters: s   state that is to toggle its state

void UndoBuffer::setInitialState (  GITransition * t )

Adds undo information about setting the initial state. Parameters: t   old initial transition

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

• UndoBuffer.h
• UndoBuffer.cpp

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