[ENH] Data Table: Enable deselection#3189
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lanzagar merged 1 commit intobiolab:masterfrom Sep 12, 2018
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Issue
Implements #3161 - adds a "deselect all" functionality to the top left corner button in Data Table.
Description of changes
As far as I can tell, the current "select all" functionality is actually built in by default, i.e.

clickedis connected to aselectAll()call (please correct me if I'm wrong).This commit disconnects the default handler and connects a new one, which decides whether to select all (
selectAll()) or deselect all (clearSelection()) data based on information about selected rows and columns.Includes