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Reordering Trees in CakePHP 1.3

Posted on 11/07/2013 at 01:39 pm by Kevin Wentworth
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Every time I add a new record to a tree it was added to the end of the list.  This is OK for small lists, but once you get a big list, it's impossible to find things.  It would be great if we could sort the tree list by the displayField... and you can:

Reorder CakePHP Trees

It's easy with the built in function (although it might take a while to run)

$this->Model->reorder(); (documentation)

Here is the default settings:

Tree Reordering Not Working?

I found an important gotcha.  It appears to be hard-coded that top-level parents must have a parent_id of NULL (not zero).  This is really important, otherwise the reorder operation will not work.

Cheers,
-Kevin Wentworth