[Rt-devel] javascript issue making Flot plugin

[Jeff Fearn]

Hi, this worked great, thanks sunnavy!

Cheers, Jeff.

On Thu, 2010-04-15 at 17:24 +0800, sunnavy wrote:
> Hi Jeffrey
> 
> The problem is caused by the collsion of Prototype and jQuery.
> To work around it, you need to use jQuery's noConflict mode.
> i.e. call jQuery.noConflict() after you load jquery.js,
> and when you mean the jQuery's $() function, use jQuery() instead.
> 
> best wishes
> sunnavy
> 
> On 10-04-15 12:15, Jeffrey Fearn wrote:
> > Hi, I am currently looking in to making a Flot,
> > http://code.google.com/p/flot/, plugin for RT. ATM it uses the GD
> > rules for searches, but clicking the graph button remders a Flot
> > plot instead of a GD image. I'm still working out a few display
> > issues before it's worth judging it's real worth.
> > 
> > I've hit a problem though :( When I add the Flot javascript files to
> > the HTML header I get a couple of errors in the RT javascript files
> > and some functions, like the handy calendar pop-up, break :(
> > 
> > As a simple test I am using the Modify Dates page to see if the
> > calendar pop-up is rendered, rt3/Ticket/ModifyDates.html, which
> > funnily enough doesn't have a graph on it, but demonstrates the
> > problem well.
> > 
> > This is the diff of the HTML output with and without the extra java script:
> > 
> > $ diff -uBb test1.html test2.html
> > --- test1.html  2010-04-15 10:51:22.855382000 +1000
> > +++ test2.html  2010-04-15 10:51:50.246659000 +1000
> > @@ -26,8 +26,6 @@
> >  --></script>
> > 
> > 
> > -<script type="text/javascript" src="/rt3/NoAuth/flot/jquery.js"></script>
> > -<script type="text/javascript"
> > src="/rt3/NoAuth/flot/jquery.flot.js"></script>
> >  <link rel="stylesheet" href="/rt3/NoAuth/webrtfm.css" type="text/css" />
> > 
> >  </head>
> > 
> > And here are the two java script errors generated:
> > 
> > Error: element.dispatchEvent is not a function
> > Source File: https://.../rt3/NoAuth/js/prototype/prototype.js
> > Line: 4071
> > 
> > Error: $(link).observe is not a function
> > Source File: https://.../rt3/NoAuth/js/util.js
> > Line: 159
> > 
> > Any pointers on where to look in to this is much appreciated.
> > 
> > FWIW I have put the source up [1] in case anyone wants to play with it.
> > 
> > CAUTION should be used though, currently it breaks stuff :) Also
> > currently it just replaces the GD images, if I can get it working
> > properly then I'd look in to letting the user pick how they want it
> > rendered.
> > 
> > I find the usual RT plugin install process difficult to package as
> > an RPM, so I wrote my own Build.PL file instead of using that. It
> > defaults to /usr/local/lib/rt3/plugins/RT-Flot, which I believe is
> > the standard RT path, you will need to override it if your RT plugin
> > directory is in a different place.
> > 
> > e.g.
> > 
> > perl Build.PL --install_path plugins=/opt/foo/bar/rt3/plugins/RT-Flot
> > ./Build
> > ./Build install
> > 
> > If you use the supplied RPM spec file and are using the RT RPM from
> > Fedora, you will probably need to be running RT 3.8.7 and set
> > PluginPath in RT_SiteConfig.pm. Or you will need to edit the
> > RT3_PLUGIN define in the spec file.
> > 
> > e.g
> > 
> > Set($PluginPath,"/usr/share/rt3/plugins");
> > 
> > Cheers, Jeff.
> > 
> > [1] http://jfearn.fedorapeople.org/files/RT-Flot-0.6.tar.gz
> > 
> > -- 
> > Jeff Fearn <jfearn at redhat.com>
> > Software Engineer
> > Engineering Operations
> > Red Hat, Inc
> > Freedom ... courage ... Commitment ... ACCOUNTABILITY
> > _______________________________________________
> > List info: http://lists.bestpractical.com/cgi-bin/mailman/listinfo/rt-devel

-- 
Jeff Fearn <jfearn at redhat.com>
Software Engineer
Engineering Operations
Red Hat, Inc
Freedom ... courage ... Commitment ... ACCOUNTABILITY

Sure our competitors can rebuild the source but can they engage the customer the same way? -wmealing