template_application.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_TEMPLATEMETHOD_TEMPLATE_APPLICATION_H_
#define OPERATIONAL_TEMPLATEMETHOD_TEMPLATE_APPLICATION_H_

#include "document_interface.h"

#include <list>

namespace operational
{
namespace templatemethod
{
class TemplateApplication
{
    public:
    TemplateApplication();
    virtual ~TemplateApplication();

    void OpenDocument(const std::string& path);
    DocumentState GetCurrentDocumentState() const;

    virtual DocumentInterface *CreateDocument() = 0;
    virtual bool CanOpenDocument(const std::string& path) = 0;
    virtual void AboutToOpenDocument(DocumentInterface* document) = 0;

    private:
    void AddDocument(DocumentInterface* document) const;

    std::list<DocumentInterface*>* documents_;
};
}
}

#endif