[ovirt-devel] jQuery?

[Greg Sheremeta]

----- Original Message -----
> From: "Vojtech Szocs" <vszocs at redhat.com>
> To: "Greg Sheremeta" <gshereme at redhat.com>
> Cc: "Einav Cohen" <ecohen at redhat.com>, devel at ovirt.org
> Sent: Thursday, June 5, 2014 12:29:41 PM
> Subject: Re: [ovirt-devel] jQuery?
> 
> 
> 
> ----- Original Message -----
> > From: "Greg Sheremeta" <gshereme at redhat.com>
> > To: "Einav Cohen" <ecohen at redhat.com>
> > Cc: devel at ovirt.org
> > Sent: Thursday, June 5, 2014 5:51:08 PM
> > Subject: Re: [ovirt-devel] jQuery?
> > 
> > 
> > 
> > ----- Original Message -----
> > > From: "Einav Cohen" <ecohen at redhat.com>
> > > To: "Greg Sheremeta" <gshereme at redhat.com>
> > > Cc: devel at ovirt.org
> > > Sent: Thursday, June 5, 2014 11:43:24 AM
> > > Subject: Re: [ovirt-devel] jQuery?
> > > 
> > > > ----- Original Message -----
> > > > From: "Greg Sheremeta" <gshereme at redhat.com>
> > > > Sent: Tuesday, June 3, 2014 9:19:23 PM
> > > > 
> > > > Does anyone see an issue with adding jQuery to GwtHostPage? Some
> > > > PatternFly
> > > > widgets require bootstrap.min.js which requires jQuery.
> > > 
> > > apologies in advance for the complete ignorance here:
> > > 
> > > - is there any kind of potential collision that can occur between the gwt
> > > javascript and the jQuery javascript?
> > 
> > Namespace collision -- no. jQuery registers itself globally as '$' and
> > 'jQuery',
> > and neither GWT itself nor our GWT code use those names anywhere.
> 
> +1 this is my understanding as well.
> 
> > 
> > However, there can be behavior conflicts. I'm currently debugging a problem
> > where tooltips aren't destroyed when grid refreshes happen. The jQuery
> > widget
> > doesn't 'know' that the GWT widget it's attached to was destroyed :(
> 
> In cases like this one, could we close/destroy the tooltip via GWT JSNI code?

Yep, that is what I'm trying to do.

> 
> > 
> > > 
> > > - is jQuery expected to substantially affect performance / loading time
> > > on the client side or anything like that?
> > 
> > First-load time will be negligible and cached.
> > 
> > Mass-use of bad selectors could decrease browser performance. I think we
> > should
> > very rarely use jQuery in oVirt. Usages of it should be very justifiable.
> 
> Exactly, any direct use of jQuery should be justified by a solid reason.
> 
> > 
> > Greg
> > 
> > > 
> > > > 
> > > > Thanks,
> > > > Greg
> > > > 
> > > > Greg Sheremeta
> > > > Red Hat, Inc.
> > > > Sr. Software Engineer, RHEV
> > > > Cell: 919-807-1086
> > > > gshereme at redhat.com
> > > > 
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> > > > 
> > > 
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>