How about an extension of what Nathan is asking? Say you need to select a cell (and perform whatever actions you want), but you do NOT want the mouse click to be passed to the (cell editor) component within the cell? Example: your cell editor is a JComboBox. When you click on the cell where the drop button would be shown, you want the unopened list to be displayed first, then let the user click on the button if he really wants to change things.
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