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Callback writing

FormerMember
FormerMember

Hi all,

How can I get the cellName of the cell that I modify a parameter into an edit property from ?

I found for the libName:

((cdfgData~>id)~>lib)~>name

or

((cdfgData->id)->lib)->name

or

cdfgData->id->lib->name

but not for the cellName

thanks for your help,

Olivier

Parents
  • Andrew Beckett

    Olivier,

    The same could in theory be done with cdfgData->id->name but this is dangerous (for both cell name and lib name). The issue is that if you want to call CDF callbacks procedurally, you may then work with the instance CDF rather than the cell CDF, and the ->id points at the instance object rather than the cell object.

    I would probably do:

    libName = cdfgData->id->libName || cdfgData->id->lib->name
    cellName = cdfgData->id->cellName || cdfgData->id->name

    That means it would first try looking at the libName and cellName attributes on an instance object (which would work if the cdfgData is an instance CDF) and then the appropriate attributes if it's a cell object from cell CDF.

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Olivier,

    The same could in theory be done with cdfgData->id->name but this is dangerous (for both cell name and lib name). The issue is that if you want to call CDF callbacks procedurally, you may then work with the instance CDF rather than the cell CDF, and the ->id points at the instance object rather than the cell object.

    I would probably do:

    libName = cdfgData->id->libName || cdfgData->id->lib->name
    cellName = cdfgData->id->cellName || cdfgData->id->name

    That means it would first try looking at the libName and cellName attributes on an instance object (which would work if the cdfgData is an instance CDF) and then the appropriate attributes if it's a cell object from cell CDF.

    Regards,

    Andrew.

Children
  • FormerMember
    FormerMember in reply to Andrew Beckett

    Thank you Andrew,

    Work fine !

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