Re: [Users] UI Plugin issue when switching main tabs

22 Jan 2013

      Found your bug (I think):
You don't check in your code whether there is a selection (if (arguments.length == 1) for example, if you want to act only when one is selected).

You'll probably want to do similar logic to the Foreman plugin, setting the sub-tab content URL only in case one VM is selected, and setting the URL properly.

The fact that your alert won't show is that you call arguments[0].name, and it fails when nothing is selected... and I guess that's the case when you switch tabs.
Didn't check it out, but please check it out... and let me know what you found :-)

Oved

----- Original Message -----
...
From: "René Koch" <r.koch@ovido.at>
To: "Oved Ourfalli" <ovedo@redhat.com>
Cc: users@ovirt.org
Sent: Monday, January 21, 2013 6:05:47 PM
Subject: Re: [Users] UI Plugin issue when switching main tabs
When switching back to vm main tab changing the selection doesn't
work.
No matter which VM I select the VirtualMachineSelectionChange
function isn't called again (as my debug alert window doesn't
appear), but the last vm I selected before switching to another main
tab is cached in variable vmName...
It works again after restarting engine-service.
I just tested your foreman plugin and it seems that this one is
working as expected.

...
Regards,
René
-----Original message-----
...
From:Oved Ourfalli <ovedo@redhat.com>
Sent: Monday 21st January 2013 14:56
To: René Koch <r.koch@ovido.at>
Cc: users@ovirt.org; Vojtech Szocs <vszocs@redhat.com>
Subject: Re: [Users] UI Plugin issue when switching main tabs
I'll let Vojtech (cc-ed) to give a more accurate answer, but,
trying to narrow down the issue: when you switch to a different
main tab and then back to the VM main tab, and change the
selection in there, does it work?
(Trying to understand if the problem is only when doing the switch,
and it works afterwards, or not).
Thank you,
Oved
----- Original Message -----
...
From: "René Koch" <r.koch@ovido.at>
To: users@ovirt.org
Sent: Sunday, January 20, 2013 11:07:13 PM
Subject: [Users] UI Plugin issue when switching main tabs
Hi,
I'm working on an UI plugin to integrate Nagios/Icinga into oVirt
Engine and made some progress, but have an issue when switching
the
main tabs.
I use VirtualMachineSelectionChange to create URL with name of vm
(and HostSelectionChange for hosts).
Name is used in my backend code (Perl) for fetching monitoring
status.
Here's the code of VirtualMachineSelectionChange:
VirtualMachineSelectionChange: function() {
        var vmName = arguments[0].name;
        alert(vmName);
        // Reload VM Sub Tab
        api.setTabContentUrl('vms-monitoring', conf.url +
        '?subtab=vms&name=' + encodeURIComponent(vmName));
    }
Everything works fine as long as I stay in Virtual Machine main
tab.
When switching to e.g. Disks and back to Virtual Machines again
the
JavaScript code of start.html isn't processed anymore (or cached
(?)
as the my generated URL with last vm name will still be sent back
to
my Perl backend) - added alert() to test this.
oVirt Engine version:
ovirt-engine-3.2.0-1.20130118.gitd102d6f.fc18.noarch
Full code of start.hml: http://pastebin.com/iEY6dA6F
Thanks a lot for your help,
René
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