CTextFileLoaderComp.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// ACF includes
#include <ifile/IFilePersistence.h>
#include <ifile/IDeviceBasedPersistence.h>
#include <icomp/CComponentBase.h>
 
 
namespace idoc
{
 
 
class CTextFileLoaderComp: public icomp::CComponentBase, public ifile::IFilePersistence, public ifile::IDeviceBasedPersistence
{
public:
       typedef icomp::CComponentBase BaseClass;
 
       I_BEGIN_COMPONENT(CTextFileLoaderComp);
              I_REGISTER_INTERFACE(ifile::IFileTypeInfo);
              I_REGISTER_INTERFACE(ifile::IFilePersistence);
              I_REGISTER_INTERFACE(ifile::IDeviceBasedPersistence);
              I_ASSIGN_MULTI_1(m_fileExtensionsAttrPtr, "FileExtensions", "List of possible file extensions", true, "txt");
              I_ASSIGN_MULTI_1(m_typeDescriptionsAttrPtr, "TypeDescriptions", "List of descriptions for each extension", true, "Text file");
       I_END_COMPONENT;
 
       // reimplemented (ifile::IFilePersistence)
       virtual bool IsOperationSupported(
                            const istd::IChangeable* dataObjectPtr,
                            const QString* filePathPtr = NULL,
                            int flags = -1,
                            bool beQuiet = true) const override;
       virtual ifile::IFilePersistence::OperationState LoadFromFile(
                            istd::IChangeable& data,
                            const QString& filePath = QString(),
                            ibase::IProgressManager* progressManagerPtr = NULL) const override;
       virtual ifile::IFilePersistence::OperationState SaveToFile(
                            const istd::IChangeable& data,
                            const QString& filePath = QString(),
                            ibase::IProgressManager* progressManagerPtr = NULL) const override;
 
       // reimplemented (ifile::IDeviceBasedPersistence)
       virtual bool IsDeviceOperationSupported(
                            const istd::IChangeable& dataObject,
                            const QIODevice& device,
                            int deviceOperation) const override;
       virtual ifile::IDeviceBasedPersistence::OperationState ReadFromDevice(
                            istd::IChangeable& data,
                            QIODevice& device,
                            ibase::IProgressManager* progressManagerPtr = nullptr) const override;
       virtual ifile::IDeviceBasedPersistence::OperationState WriteToDevice(
                            const istd::IChangeable& data,
                            QIODevice& device,
                            ibase::IProgressManager* progressManagerPtr = nullptr) const override;
 
       // reimplemented (ifile::IFileTypeInfo)
       virtual bool GetFileExtensions(QStringList& result, const istd::IChangeable* dataObjectPtr = NULL, int flags = -1, bool doAppend = false) const override;
       virtual QString GetTypeDescription(const QString* extensionPtr = NULL) const override;
 
private:
       I_MULTIATTR(QString, m_fileExtensionsAttrPtr);
       I_MULTITEXTATTR(m_typeDescriptionsAttrPtr);
};
 
 
} // namespace idoc