Orthogonal Data and the "Type" Type
Orthogonal Data and the "Type" Type
ajames
Posts: 5Questions: 2Answers: 0
DataTables has four built-in data operations:
- display
- sort
- filter
- type (for type detection data)
I understand the first three - for example, they can be used by a column renderer (example taken from same link as above):
{
data: 'start_date',
render: function ( data, type, row ) {
// If display or filter data is requested, format the date
if ( type === 'display' || type === 'filter' ) {
var d = new Date( data * 1000 );
return d.getDate() +'-'+ (d.getMonth()+1) +'-'+ d.getFullYear();
}
// Otherwise the data type requested (`type`) is type detection or
// sorting data, for which we want to use the integer, so just return
// that, unaltered
return data;
}
}
I understand what is meant by type detection in DataTables.
My Question:
Looking at the column renderer code example above, in what circumstances might I want to set the type value to something other than the sort value?
if ( type === 'type' ) {
// do something different with my data - but what?
}
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Answers
Excellent question. I can't think of one that would be applied in the real world. DataTables does have the ability to perform type specific actions on filtered data (for example, it will strip HTML tags from the data being searched), so the
typedoes have some impact on other operations as well, but it is rarely, if every used (other than the default actions).Allan