DataGrid's setRow feature can lead to skipped rows when going to a previous page
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Key: BEEHIVE-416
URL: http://issues.apache.org/jira/browse/BEEHIVE-416
Project: Beehive
Type: Bug
Components: NetUI
Versions: V1Beta
Reporter: John Rohrlich
If the you call setRow(row) on a dataGrid and the row is not the first row of a
page you will miss items when going to the previous page. Here is more of an
explanation via an example:
Some data to help explain (I also have a repro if you want it)
row value
1 A
2 B
3 C
4 D
5 E
6 F
7 G
8 H
Imagine the pageSize is 3 � this means on the first page you�ll see rows with
the values A B C and on the second page D E F
case 1 - Now if you set the row to 4 you will see D E F and if you go to the
previous page you�ll see A B C � good so far
case 2 - Now set the row to 5 and you will see E F G (labeled page 2) and if
you go to the previous page you�ll see A B C � rather than B C D as you might
expect. Notice that D is skipped in going to the previous page.
I see two options.
option 1 � be consistent with the page breaks and let the row fall where it may
rather than forcing the �set row� to be the first row of the grid. I would want
to be able to highlight this row with a style.
option 2 � make the �set row� the first row, as it is now, and adjust the page
breaks accordingly so that going to the previous page doesn�t skip items. This
means that the first page may have less than �page size� number of items.
I favor option 1
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