Thats weird i can not get the drag/drop working without set the src field. But i'm just changed to shindig-3 and common container, and i do no have this problem anymore.
Thanks On Thu, Jan 6, 2011 at 5:15 PM, Ciancetta, Jesse E. <[email protected]> wrote: > I think the reason the iframe src gets set to about:blank is to work around > an issue with the bfcache (back-forward cache) in some browsers -- have a > look at the comments for this JIRA issue for a detailed discussion: > > https://issues.apache.org/jira/browse/SHINDIG-158 > > The iframe disappearing issue seems odd though. In our container we also > use jquery sortable for drag and drop and use the about:blank technique to > work around the bfcache issue -- and we haven't seen the issue you're > describing in any browser. One thing I have observed though which might be > relevant is that on drop (at least in firefox) it insists on reloading the > *first* url that was set after about:blank. So for example -- if we were to > render the iframe initially with "about:blank", then set the src of that > iframe to our gadget rendering url, then subsequently set the src to > google.com and then drag and drop -- on drop it would reload the gadget > rendering url and not google.com. > > One other thing to be aware of -- if you have any JavaScript inside script > tags nested somewhere within the hierarchy of the element that gets > detached/reattached to the DOM during the drag and drop, in some browsers > that script will get re-executed on drop. > > --Jesse > > -----Original Message----- > From: Xandeco, Maxwell [mailto:[email protected]] > Sent: Thursday, January 06, 2011 11:57 AM > To: [email protected] > Subject: RES: Writing an interface with drag/drop support. > > Reload the iframe it's the natural behavior of firefox and google chrome, > it's not a problem, the problem is when shinding render the iframe, does not > include the gadget url in the iframe, like: > > <iframe src="about:blank"/> > > That's what shindig does by default, you can see on > shindig.IfrGadget.getMainContent, it's setting the src to about:blank, I > just did override this method and changed to src= this.getIframeUrl(). > > Worked for me, I just did not understand why shindig set to blank. > > Thanks > > ________________________________________ > De: Pablo Graña [[email protected]] > Enviado: quinta-feira, 6 de janeiro de 2011 14:04 > Para: [email protected] > Assunto: Re: Writing an interface with drag/drop support. > > Your problem is that the gadget renders itself again after you drop > it? As far as I known this also happens in igoogle, when the gadget > renders in an iframe (some igoogle gadgets render inline). > > I think that this happens because when you drag a gadget, jquery > detaches it from its parent div, and when you drop it, it re-attaches > the gadget to another div. This makes the iframe base element to > change its value and forces the iframe to refresh its content. The > weird thing about it is that this does not happen in ie. > > I could not find a way to avoid this behaviour, so I am now living with it. > > regards > > On Thu, Jan 6, 2011 at 11:15 AM, Xandeco, Maxwell > <[email protected]> wrote: > > Hi guys, i'm trying to create a "igoogle like" interface, I just added > drag and drop support using jquery sortable feature it's working pretty > well, but after drop the gadget in the new area, the iframe disapper in > firegox, because firefox try reload the iframe after the drop. > > > > > > > > After a short debug using firebug and igoogle , i realized that the > problem is, when my server (shindig without mods) render the gadget it set > the src attribute in the iframe as "about:blank" and google use the ifr > link, like > http://www.ig.gmodules.com/gadgets/ifr?exp_rpc_js=1&exp_track_js=1&url=http%3A%2F% > < > http://www.ig.gmodules.com/gadgets/ifr?exp_rpc_js=1&exp_track_js=1&url=http%3A%2F%2Fhosting.gmodules.com%2Fig%2Fgadgets%2Ffile%2F100816590802129143348%2FhelloNishant.xml&container=ig&view=default&lang=pt-br&country=BR&v=ebfb342224565688&parent=http://www.google.com.br&libs=core:core.io:core.iglegacy:auth-refresh&is_signedin=1&synd=ig&view=default#st=c%3Dig%26e%3DAPu7icqTjfqUxN02J/K9K%252BZLn2Eqx%252BsWQqxzagry5fVZSLusOcel23C5G8xMAL8MZNVoqnK56SrkMsj5bAep5TV%252BtYTN7xCO0/apbdnvzTfvkmvSnFbClTLt4X5qJ1%252Be72QQLgq/JbYz&gadgetId=112755416542104557542&gadgetOwner=111346446497480925725&gadgetViewer=111346446497480925725&rpctoken=1634651312&ifpctok=1634651312> > [MORE_HERE]. > > > > > > > > So why shindig it's not including the ifr url for my gadget in the > rendering process automatically, should I do that manually, in javascript > container or java servlets? > > > > > > > > Thanks > > > > > > -- > Pablo Gra\~na > Chief Architect > Globant > Arg Office: +54 (11) 4109 1743 > UK Office: +44 (20) 7043 8269 int 8043 > US Office: +1 (212) 400 7686 int 8043 >
