composite_action.h

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#pragma once
 
#include "editing_action.h"
#include <functional>
#include <memory>
#include <vector>
 
namespace unravel
{
 
// Composite action base class - contains multiple sub-actions
struct composite_action_t : crtp_meta_type<composite_action_t, editing_action_t>
{
    std::vector<std::shared_ptr<editing_action_t>> sub_actions;
    
    void add_sub_action(std::shared_ptr<editing_action_t> action);
    void draw_in_inspector(rtti::context& ctx) override;
    void do_action() override;
    void undo_action() override;
    auto is_valid() const -> bool override;
    auto is_mergeable(const editing_action_t& previous) const -> bool override;
    void merge_with(const editing_action_t& previous) override;
 
 
};
 
struct sequence_action_t : crtp_meta_type<sequence_action_t, editing_action_t>
{
    std::vector<std::function<std::shared_ptr<editing_action_t>()>> step_factories;
    std::vector<std::shared_ptr<editing_action_t>> sub_actions;
 
    bool first_run_done{false};
 
    void add_step(std::function<std::shared_ptr<editing_action_t>()> factory);
 
    void do_action() override;
    void undo_action() override;
    auto is_valid() const -> bool override;
    auto is_mergeable(const editing_action_t& previous) const -> bool override;
    void draw_in_inspector(rtti::context& ctx) override;
};
 
} // namespace unravel