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Is it possible to implement something similar to merged cells in Excel? [message #1770668]

Wed, 16 August 2017 03:26

Louis Detweiler

Messages: 100
Registered: August 2017

Senior Member

Hello!

I am working on implementing NatTable into some software. I was wondering if it were possible to have something similar to the merged cell feature in Excel. In the attached merged cells excel example image, we have the VA111 and VA112 cell both next to the VM111 cell. index.php/fa/30382/0/

I would like to do something similar in NatTable. This is what I have so far, in the NatTableExample image. In this NatTable example, I would like to extend the VM1 cell to have the VA11 and VA12 cell both attached next to the VM1 cell so that they are both touching and line up completely with the VM1 cell. Is this possible with NatTable? I have searched the forum and the NatTable examples application but I haven't found anything similar to what I would like.
index.php/fa/30383/0/

Thanks so much for your time.

Greg Detweiler

Attachment: MergedCellsExample.png
(Size: 69.17KB, Downloaded 603 times)
Attachment: NatTableExample.png
(Size: 44.92KB, Downloaded 408 times)

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Re: Is it possible to implement something similar to merged cells in Excel? [message #1770884 is a reply to message #1770668]

Fri, 18 August 2017 11:38

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

You call it merged, in NatTable it is called spanning. Have a look at examples showing the usage of the SpanningDataProvider.

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Re: Is it possible to implement something similar to merged cells in Excel? [message #1771307 is a reply to message #1770884]

Wed, 23 August 2017 20:50

Louis Detweiler

Messages: 100
Registered: August 2017

Senior Member

Hmm from what I can tell spanning works across cells. However, I need it across subcells from a TableCellPainter. Is this possible?

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Re: Is it possible to implement something similar to merged cells in Excel? [message #1771319 is a reply to message #1771307]

Thu, 24 August 2017 03:50

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

No, I have not implemented spanning for the TableCellPainter and honestly I don't see a reason for that. If you want something similar to the Excel example you need to do the same as in Excel and span/merge the cells all over. The "sub cells" are not intended to structure the table in such a way.

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