looking for a smart approach to "sort" an array
bobsneidar at iotecdigital.com
Fri May 5 16:37:31 CEST 2017
Why not load the array into a memory sqlite database and query using order by?
> On May 5, 2017, at 02:30 , Tiemo Hollmann TB via use-livecode <use-livecode at lists.runrev.com> wrote:
> I have a list field of words and a correspondent array with the words of the
> field as the keys plus some data per key. I can store the array in a file,
> read it later from file and rebuild the list of words from the keys of the
> array. Up to now, I had this list of words alphabetically sorted. So it was
> easy, when reloading the array to sort the list always alphabetically to
> refresh the visible list in the field.
> The user can also create a custom sequence of the words in the field by drag
> and drop the lines in individual order. Now I am looking for a smart
> approach to keep the same sort order in the correspondent array. I need the
> custom sort order of the words in case I reload the array later from file to
> get the same sequence of words as the user has sorted them, after extracting
> the words from the array. The key of the array has to keep the words from
> the list for accessing the data in the array.
> As far as I see it, I have to add an additional item to the array data,
> storing the sort sequence of the keys, while the user creates his custom
> sequence of the words in the list field and keeping this number always
> synchronous to the line number of the fields list. So I could use this "sort
> sequence number" from the array to rebuild the same sort of the words when
> extracting the words from the array.
> Would this be the best approach to keep the sort sequence of the words
> stored with the array, or do you see an easier more straight forward
> approach to keep the array "synchronous sorted" which I don't see right now?
> Thanks for your input
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