Eclipse Community Forums: NatTable » How to configure the DefaultSelectionLayerConfiguration

Home » Eclipse Projects » NatTable » How to configure the DefaultSelectionLayerConfiguration(How to configure the DefaultSelectionLayerConfiguration to select additionally the next row with SHIFT+Arrow-Down)

How to configure the DefaultSelectionLayerConfiguration [message #1799431]

Thu, 06 December 2018 12:14

Eclipse User

I try to implement following behavior:
- click with the mouse in the row header to select one row fully
- use the keyboard command SHIFT+ARROW_DOWN to extend the row selection.

The DefaultRowSelectionLayerConfiguration has this feature but on the other side the disadvantage (at least for us) to select a row fully if the Arrow-Right or Arrow-Left key is used. Any comments you have would be appreciated.

Re: How to configure the DefaultSelectionLayerConfiguration [message #1799436 is a reply to message #1799431]

Thu, 06 December 2018 13:27

Eclipse User

Actually I think this is a bug in the SelectRowCommandHandler. The lastSelectedCell is set to the first column instead of the last column. If set to the last column the behavior is as expected.

Re: How to configure the DefaultSelectionLayerConfiguration [message #1799439 is a reply to message #1799436]

Thu, 06 December 2018 14:02

Eclipse User

I just tried to change this, but then multiple test cases are failing. Seems a bug fix will take some time to ensure there are no negative side effects.
Feel free to create a bug report for this.
In the meantime you can create and register your own SelectRowCommandHandler where the last selected cell is set to columnPosition selectionLayer.getColumnCount().

The failed test cases are related to selection traversal. Not sure if the test cases need to be adjusted or if there are negative side effects. I will need to check this in more detail to be sure.

Re: How to configure the DefaultSelectionLayerConfiguration [message #1799442 is a reply to message #1799439]

Thu, 06 December 2018 14:56

Eclipse User

I have created https://bugs.eclipse.org/bugs/show_bug.cgi?id=542486 for this and already provided a patch. It is not merged yet as some tests should be done in advance.

Re: How to configure the DefaultSelectionLayerConfiguration [message #1799519 is a reply to message #1799442]

Sat, 08 December 2018 04:15

Eclipse User

The new patch works very well.

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