/*!  \file kfbxprocessorxref.h

 */



#ifndef FBXFILESDK_FBXPROCESSORS_KFBXPROCESSORXREF_H

#define FBXFILESDK_FBXPROCESSORS_KFBXPROCESSORXREF_H



/**************************************************************************************



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 (collectively the "Data") in these files contain unpublished information 

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#include <fbxfilesdk/fbxprocessors/fbxprocessors_def.h>



#include <fbxfilesdk/fbxprocessors/kfbxprocessor.h>

#include <fbxfilesdk/components/kbaselib/klib/kmap.h>



namespace FBXPROCESSORS_NAMESPACE {



    /** This class contains objects

      * This class also provides access to global settings and take information.

      */

    class KFBX_DLL KFbxProcessorXRefCopy : public KFbxProcessor

    {

        KFBXOBJECT_DECLARE(KFbxProcessorXRefCopy, KFbxProcessor);



	public:

        class KFBX_DLL KFbxMissingUrlHandler

        {

        public:

            virtual ~KFbxMissingUrlHandler();

            virtual void MissingUrl(const KString& pUrl, const KFbxProperty&) = 0;

        };



        /**

        * \name Properties

        */

        //@{

            KFbxTypedProperty<fbxString>    OutputDirectory;



            /** As we resolve xref and copy assets, do we update properties to

              * now use this relative path?  Defaults to TRUE.

              */

            KFbxTypedProperty<fbxBool1>     UpdateProperties;



            /** Default to FALSE -- when set, this informs the processor to track

              * every properties that were modified during the scene processing.

              */

            KFbxTypedProperty<fbxBool1>     TrackUpdatedProperties;



            /** Default to TRUE -- when not set, files are only copied if one of

              * the following conditions is met:

              * 

              * 1) Target does not exist

              * 2) Target has a different time

              * 3) Target has a different size

              */

            KFbxTypedProperty<fbxBool1>     ForceCopy;



            /** Default to TRUE -- when copying a file, also copy its modification

              * time.  A bit of a requirement if you're not going to use ForceCopy.

              */

            KFbxTypedProperty<fbxBool1>     CopyFileTimes;

        //@}



            /** Optional callback; when set, this will be called when an Url cannot be

              * be copied because the source is not found.

              * Memory is owned by the client code, and will not be freed by us.

              */

            KFbxMissingUrlHandler*          MissingUrlHandler;



        /** Since KFbxProperty is an opaque type, we can't do an efficient operator <

          * on it, and must keep the data on the object, which can be compared through

          * pointers, and then we can further compare against the property name.

          */

        struct KFbxPropertyUpdate

        {

            KFbxProperty mProperty;

            fbxString    mOriginalValue;



            inline KFbxPropertyUpdate() {}

            inline KFbxPropertyUpdate(const KFbxProperty& pProp, const fbxString& pVal) :

                mProperty(pProp), mOriginalValue(pVal) {}



            inline bool operator <(const KFbxPropertyUpdate& pOther) const

            {

                return strcmp(mProperty.GetName(), pOther.mProperty.GetName()) < 0;

            }

        };

        typedef KSet2<KFbxPropertyUpdate>           KFbxUpdateSet;

        typedef KMap<KFbxObject*, KFbxUpdateSet>    KFbxPropertyUpdateMap;



        /** All properties that were updated, with their original value.

          * Will always be empty if TrackUpdatedProperties

          * was not set before calling ProcessCollection/ProcessObject.

          * NOT cleared before each processing run.

          */

        KFbxPropertyUpdateMap& GetUpdatedProperties();



        /** If property tracking was enabled, goes through and reverts all changes

          * to the properties.  Does not un-copy the files, naturally.

          */

        void RevertPropertyChanges();



        /** This is just a safety net to make sure RevertPropertyChanges is called when

          * this goes out of scope.

          */

        struct KFBX_DLL KFbxAutoRevertPropertyChanges

        {

            KFbxAutoRevertPropertyChanges(KFbxProcessorXRefCopy* pCopy) : mXRefCopy(pCopy) {}

            ~KFbxAutoRevertPropertyChanges()

            {

                if( mXRefCopy )

                    mXRefCopy->RevertPropertyChanges();

            }



            KFbxProcessorXRefCopy* mXRefCopy;

        };



        ///////////////////////////////////////////////////////////////////////////////

        //  WARNING!

        //  Anything beyond these lines may not be documented accurately and is

        //  subject to change without notice.

        ///////////////////////////////////////////////////////////////////////////////

        #ifndef DOXYGEN_SHOULD_SKIP_THIS



            protected:

                KFbxPropertyUpdateMap       mUpdatedProperties;



            // Constructor / Destructor

            protected:

                virtual KFbxObject* Clone(KFbxObject* pContainer, KFbxObject::ECloneType pCloneType) const;

                KFbxProcessorXRefCopy(KFbxSdkManager& pManager, char const* pName);



                bool ConstructProperties(bool pForceSet);



                // Implements the rules specified for the ForceCopy property.

                // Also checks the ForceCopy property.

                bool ShouldCopyFile(const KString& pTarget, const KString& pSource) const;



            /**

            * \name Overridable internal function */

            //@{

            protected:

                virtual bool                internal_ProcessCollectionBegin (KFbxCollection*     pObject);

                virtual bool                internal_ProcessCollectionEnd   (KFbxCollection*     pObject);

                virtual bool                internal_ProcessObject          (KFbxObject*     pObject);

                bool                        ProcessPathProperty(KFbxProperty &pProperty);

                virtual bool                ValidPropertyForXRefCopy(KFbxObject* pObject, KFbxProperty& lProperty) const;

            //@}



        #endif // #ifndef DOXYGEN_SHOULD_SKIP_THIS



    };

}



#endif // FBXFILESDK_FBXPROCESSORS_KFBXPROCESSORXREF_H



