MgaMetaPart.cpp

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#include "stdafx.h"
#include "MgaMetaPart.h"


// --------------------------- CMgaMetaPart

#define MGAMETAPART_PRIMARY             0x0001
#define MGAMETAPART_LINKED              0x0002

STDMETHODIMP CMgaMetaPart::get_IsPrimary(VARIANT_BOOL *p)
{
        COMTRY
        {
                CCoreObjectPtr self(GetUnknown());
                ASSERT( self != NULL );

                long a = self.GetLongValue(ATTRID_PARTDATA);

                *p = (a & MGAMETAPART_PRIMARY) ? VARIANT_TRUE : VARIANT_FALSE;
        }
        COMCATCH(;)
}

STDMETHODIMP CMgaMetaPart::get_IsLinked(VARIANT_BOOL *p)
{
        COMTRY
        {
                CCoreObjectPtr self(GetUnknown());
                ASSERT( self != NULL );

                long a = self.GetLongValue(ATTRID_PARTDATA);

                *p = (a & MGAMETAPART_LINKED) ? VARIANT_TRUE : VARIANT_FALSE;
        }
        COMCATCH(;)
}

STDMETHODIMP CMgaMetaPart::put_IsPrimary(VARIANT_BOOL p)
{
        COMTRY
        {
                CCoreObjectPtr self(GetUnknown());
                ASSERT( self != NULL );

                long a = self.GetLongValue(ATTRID_PARTDATA);

                if( p == VARIANT_FALSE )
                        a &= (~MGAMETAPART_PRIMARY);
                else
                        a |= MGAMETAPART_PRIMARY;

                self.PutLongValue(ATTRID_PARTDATA, a);
        }
        COMCATCH(;)
}

STDMETHODIMP CMgaMetaPart::put_IsLinked(VARIANT_BOOL p)
{
        COMTRY
        {
                CCoreObjectPtr self(GetUnknown());
                ASSERT( self != NULL );

                long a = self.GetLongValue(ATTRID_PARTDATA);

                if( p == VARIANT_FALSE )
                        a &= (~MGAMETAPART_LINKED);
                else
                        a |= MGAMETAPART_LINKED;

                self.PutLongValue(ATTRID_PARTDATA, a);
        }
        COMCATCH(;)
}

// ------- Traverse

void CMgaMetaPart::Traverse(CMgaMetaProject *metaproject, CCoreObjectPtr &me)
{
        ASSERT( metaproject != NULL );
        ASSERT( me != NULL );

        CMgaMetaBase::Traverse(metaproject, me);

        TraverseCollection(metaproject, me, ATTRID_REGNODES_COLL);
}