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TableViewer: Sorting on multiple columns [message #534627]

Wed, 19 May 2010 16:43

Raajesh B.Kashyap

Messages: 7
Registered: July 2009

Junior Member

Is there an example of how multiple column sorting can be done on the tableviewer? I have found examples of single column sorting, but nothing related to accomplishing a multiple sort. If anyone has successfully done this, could you please share how it was done?

We have a dialog where we select the columns by which to sort. Assuming that we somehow persist / remember this information, and have access to it in the comparator implementation, I am not sure how the multi-column sort would be accomplished inside the "compare()" method.... after all, the comparator compares two objects at a time... how is it possible to sort on multiple columns in such a case? This is where I am looking for some help or a sample.

Thanks.

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Re: TableViewer: Sorting on multiple columns [message #535094 is a reply to message #534627]

Fri, 21 May 2010 09:48

Raajesh B.Kashyap

Messages: 7
Registered: July 2009

Junior Member

I was able to implement this similar to the concept of sorting multi-dimensional arrays. So, inside the compare() method, I would look at the multiple values (corresponding to multiple columns) on the first object, and then compare each value with the same values on the other object.

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