documentlist.h

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#pragma once

#include <cad/document/document.h>
#include <unordered_set>
#include <string>

namespace lc {
    class DocumentList {
        friend class Document;

        public:
            static DocumentList& getInstance() {
                static DocumentList _instance;

                return _instance;
            }

            DocumentList(DocumentList const&) = delete;
            void operator=(DocumentList const&) = delete;

            Nano::Signal<void(const NewWaitingCustomEntityEvent&)>& newWaitingCustomEntityEvent();

            std::unordered_set<entity::Insert_CSPtr> waitingCustomEntities(const std::string& pluginName);

        private:
            DocumentList();

            void addDocument(Document* document);
            void removeDocument(Document* document);

            void onNewWaitingCustomEntity(const NewWaitingCustomEntityEvent& event);

            std::unordered_set<Document*> _documents;
            Nano::Signal<void(const lc::NewWaitingCustomEntityEvent&)> _newWaitingCustomEntityEvent;
    };
}