[gme-users] cloning of models using BON

[Sumant Tambe]

Hi Zoli,

Thanks for the code. I'm integrating it into my program now. I'm not 
sure how to get a handle to the copied object from your copy function.
Can you please tell what needs to change so that it can return a handle?

Thanks,

Sumant.

Zoltan Molnar wrote:
> Oh, sorry. BON1 might not have such functionality implemented, but the
> underlying COM functionality allows easy implementation of it:
> 
> The COM methods of IMgaModel look like this:
> 		HRESULT MoveFCOs([in] IMgaFCOs * to_copy, [in]
> IMgaMetaRoles *destroles, [out] IMgaFCOs **objs);
> 		HRESULT CopyFCOs([in] IMgaFCOs * to_move, [in]
> IMgaMetaRoles *destroles, [out] IMgaFCOs **objs); 
> 
> 
> So a helper method to benefit from these could look like this:
> void copy( CBuilderModel* where_to_copy, CBuilderObject *to_copy)
> {
> 	CComPtr<IMgaFCO>   src_obj = to_copy->getIObject();
> 	CComPtr<IMgaModel> par_obj = where_to_copy->GetIModel();
> 
> 	CComPtr<IMgaFCOs>       fco_coll;  // ptr to a collection of
> IMgaFCO objects
> 	CComPtr<IMgaMetaRoles>  rol_coll;  // same
> 	fco_coll.CoCreateInstance( L"Mga.MgaFCOs");        // create an
> empty 'array' of MgaFCO objects
> 	rol_coll.CoCreateInstance( L"Mga.MgaMetaRoles"));  // same
> 
> 	// fco collection with 1 element
> 	fco_coll->Append( src_obj);
> 
> 	CComPtr<IMgaMetaRole> role;
> 	src_obj->get_MetaRole(&role);
> 	
> 	// role collection with 1 element
> 	rol_coll->Append( role); // based on the assumption that the
> parent of src_obj is of same or similar kind to par_obj
> 
> 	CComPtr<IMgaFCOs> dst_coll;
> 	par_obj->CopyFCOs( fco_coll, rol_coll, &dst_coll);
> 
> 	// analyze dst_coll
> 	long l = 0;
> 	if( dst_coll) dst_coll->get_Count( &l);
> 	for( int i = 1; i <= l; ++i)
> 	{
> 		CComPtr<IMgaFCO> dst;
> 		dst_coll->get_Item( i, &dst);
> 	}
> }
> 
> Let me know if you need something else,
> Zoli
> 
>> -----Original Message-----
>> From: gme-users-bounces at list.isis.vanderbilt.edu 
>> [mailto:gme-users-bounces at list.isis.vanderbilt.edu] On Behalf 
>> Of Sumant Tambe
>> Sent: Friday, March 21, 2008 11:22 AM
>> To: gme-users
>> Subject: Re: [gme-users] cloning of models using BON
>>
>>
>> Hi Zoli,
>>
>> It is a part of BON2 I believe. I'm wondering if similar thing can be 
>> done using BON. I need that because I'm maintaining legacy 
>> code written 
>> using BON.
>>
>> Thanks,
>>
>> Sumant.
>>
>> Zoltan Molnar wrote:
>>> Sumant,
>>>
>>> There is a method called copy, and another called move. copy's 
>>> signature is as follows:
>>>
>>> FCOImpl::copy( Folder& parent)
>>> FCOImpl::copy( Model& parent, std::string& role)
>>>
>>>
>>> Zoli
>>>
>>>
>>>> -----Original Message-----
>>>> From: gme-users-bounces at list.isis.vanderbilt.edu
>>>> [mailto:gme-users-bounces at list.isis.vanderbilt.edu] On Behalf 
>>>> Of Sumant Tambe
>>>> Sent: Thursday, March 20, 2008 8:34 PM
>>>> To: gme-users
>>>> Subject: [gme-users] cloning of models using BON
>>>>
>>>>
>>>> Hi folks,
>>>>
>>>> Is there a way to programatically duplicate or clone a model
>>>> using BON? Effect should be same as that of a manual 
>>>> copy-paste operation, which 
>>>> does a deep-copy of the source model.
>>>>
>>>> Thanks,
>>>>
>>>> Sumant.
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