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62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#ifndef ACTIONMANAGER_H
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#define ACTIONMANAGER_H
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#include <list>
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#include <atomic>
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#include <tinyxml2.h>
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class Action
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{
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// Private Constructor
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Action();
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Action(Action const& copy); // Not Implemented
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Action& operator=(Action const& copy); // Not Implemented
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public:
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static Action& manager()
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{
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// The only instance
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static Action _instance;
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return _instance;
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}
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void store(const std::string &label);
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void clear();
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void undo();
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void redo();
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void stepTo(uint target);
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inline uint current() const { return history_step_; }
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inline uint max() const { return history_max_step_; }
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std::string label(uint s) const;
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void snapshot(const std::string &label);
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inline std::list<uint64_t> snapshots() const { return snapshots_; }
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std::string label(uint64_t s) const;
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void restore(uint64_t snapshotid);
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void remove (uint64_t snapshotid);
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void setLabel (uint64_t snapshotid, const std::string &label);
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private:
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void restore(uint target);
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tinyxml2::XMLDocument history_doc_;
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uint history_step_;
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uint history_max_step_;
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std::atomic<bool> locked_;
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tinyxml2::XMLDocument snapshots_doc_;
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std::list<uint64_t> snapshots_;
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};
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#endif // ACTIONMANAGER_H
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