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Row height based on position, Instead of Index [message #1755060]

Mon, 27 February 2017 16:46

Naveen Sabapathy

Messages: 46
Registered: July 2016

Member

Need a small clarification,

In Naatable, the height of the row is maintained based on row position not based on row index. (i.e) If I do the resize of the 1st row and If I apply sort / filter operation. Consider the from 1st Index row changes to 5th position. The 1st row shows the modified heigt. The 5th row position(1st row Index) shows the default row height.

If I want to maintain the row height by Index. Any other configuration method is available. Or While any update in the row position happening, Do we need to explicitly maintain the row position by
bodyDatalayer.setRowHeightByPosition(rowPosition, height);

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Re: Row height based on position, Instead of Index [message #1755099 is a reply to message #1755060]

Tue, 28 February 2017 07:51

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

Your observation is correct, but the assumption is incorrect. The row size is maintained by row index, as it is stored on the DataLayer. By applying a sort or filter operation, you are changing the order of the items in the collection. Considering your example, you resized row 1. So the SizeConfig stores the changed row size for row index 0. Now you apply sorting, which actually changes the indexes of the elements in the collection, e.g. the element in row 1 is now in row 5. The SizeConfig doesn't know that. There is no mapping between the element and the index.

I don't have a quick solution on how to introduce such a mapping. It would somehow mean to attach the SizeConfig to the base collection while the DataLayer needs to operate on the top-most GlazedLists instance.

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