|
Last change
on this file since 32df34 was 32df34, checked in by Tillmann Crueger <crueger@…>, 16 years ago |
|
Added an action that allows grouping and grouped execution of several actions.
|
-
Property mode
set to
100644
|
|
File size:
570 bytes
|
| Line | |
|---|
| 1 | /*
|
|---|
| 2 | * Action.h
|
|---|
| 3 | *
|
|---|
| 4 | * Created on: Dec 8, 2009
|
|---|
| 5 | * Author: crueger
|
|---|
| 6 | */
|
|---|
| 7 |
|
|---|
| 8 | #ifndef ACTION_H_
|
|---|
| 9 | #define ACTION_H_
|
|---|
| 10 |
|
|---|
| 11 | /**
|
|---|
| 12 | * Base class for all actions.
|
|---|
| 13 | *
|
|---|
| 14 | * Actions describe something that has to be done.
|
|---|
| 15 | * Actions can be passed around, stored, performed and undone (Command-Pattern).
|
|---|
| 16 | *
|
|---|
| 17 | * TODO: Add queues of actions that have been performed to allow easy implementation of multiple-step undo
|
|---|
| 18 | */
|
|---|
| 19 | class Action
|
|---|
| 20 | {
|
|---|
| 21 | protected:
|
|---|
| 22 | public:
|
|---|
| 23 | Action();
|
|---|
| 24 | virtual ~Action();
|
|---|
| 25 |
|
|---|
| 26 | virtual void call()=0;
|
|---|
| 27 | virtual void undo()=0;
|
|---|
| 28 | virtual bool canUndo()=0;
|
|---|
| 29 |
|
|---|
| 30 | };
|
|---|
| 31 |
|
|---|
| 32 | #endif /* ACTION_H_ */
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
