Monday, September 6, 2010

use sortKeys AND custom comparator - JTable

After you create a TableRowSorter, you need to install your custom comparator first, before setting sort key list. Reversing the sequence breaks the correct behaviour, but I don't know why.

If you use sort key list (like sort first by quote price, Then timestamp), you may want to keep the live table sorted that way forever. You need to disable mouse-click-sort on Any columns. Here's one way to do it --

@Override
public final void toggleSortOrder(int column) {}//disabled

Mouse events are still generated, but when the event handler calls into toggleSortOrder() nothing happens.

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