Candidate_v1.6.1
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Last change
on this file was b5b01e, checked in by Frederik Heber <heber@…>, 11 years ago |
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ActionState extracted into own header file, rename Action::state_ptr -> ActionState::ptr.
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-
Property mode
set to
100644
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File size:
787 bytes
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| 1 | /*
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| 2 | * ActionState.hpp
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| 3 | *
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| 4 | * Created on: Aug 19, 2013
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| 5 | * Author: heber
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| 6 | */
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| 7 |
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| 8 | #ifndef ACTIONSTATE_HPP_
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| 9 | #define ACTIONSTATE_HPP_
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| 10 |
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| 11 | // include config.h
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| 12 | #ifdef HAVE_CONFIG_H
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| 13 | #include <config.h>
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| 14 | #endif
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| 15 |
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| 16 | #include <boost/shared_ptr.hpp>
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| 17 |
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| 18 | namespace MoleCuilder {
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| 19 |
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| 20 | /**
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| 21 | * This class can be used by actions to save the state.
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| 22 | *
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| 23 | * It is implementing a memento pattern. The base class is completely empty,
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| 24 | * since no general state internals can be given. The Action performing
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| 25 | * the Undo should downcast to the appropriate type.
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| 26 | */
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| 27 | class ActionState{
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| 28 | public:
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| 29 | /**
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| 30 | * This type is used to store pointers to ActionStates while allowing multiple ownership
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| 31 | */
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| 32 | typedef boost::shared_ptr<ActionState> ptr;
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| 33 |
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| 34 | ActionState(){}
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| 35 | virtual ~ActionState(){}
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| 36 | };
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| 37 |
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| 38 | }
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| 39 |
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| 40 | #endif /* ACTIONSTATE_HPP_ */
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