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[Jonas <jonas.pfannschmidt@xxxxxxxxx>]

Public bug reported:

Updating table rows with ajax doesn't work if the table is part of a
tabs.TabbedTableView and the tabs.TableTab is not the first tab. Please
see the attached example code. Note that loading the second page
directly with
http://127.0.0.1:8000/mydashboard/?tab=mypanel_tabs__second_tab works
fine. It also works if the the table is part of the first tab.

Looking at the javascript code the problem seems to be that
horizon.datatables.update(); in horizon.tables.js gets called before the
code that switches to a different tab. Therefore the table doesn't exist
yet when it is trying to update the rows. An easy solution would be to
run horizon.datatables.update(); via horizon.tabs.addTabLoadFunction()
as this ensures that the tab code is executed before the table is
updated.

** Affects: horizon
     Importance: Undecided
         Status: New

** Patch added: "0001-ajax-bug-example.patch"
   https://bugs.launchpad.net/bugs/1414067/+attachment/4304424/+files/0001-ajax-bug-example.patch

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https://bugs.launchpad.net/bugs/1414067

Title:
  Table row updating doesn't always work with tabs

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  Updating table rows with ajax doesn't work if the table is part of a
  tabs.TabbedTableView and the tabs.TableTab is not the first tab.
  Please see the attached example code. Note that loading the second
  page directly with
  http://127.0.0.1:8000/mydashboard/?tab=mypanel_tabs__second_tab works
  fine. It also works if the the table is part of the first tab.

  Looking at the javascript code the problem seems to be that
  horizon.datatables.update(); in horizon.tables.js gets called before
  the code that switches to a different tab. Therefore the table doesn't
  exist yet when it is trying to update the rows. An easy solution would
  be to run horizon.datatables.update(); via
  horizon.tabs.addTabLoadFunction() as this ensures that the tab code is
  executed before the table is updated.

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