Thanks, Ignacio. No I didn't know that. Nice feature, though - and sure simplifies my solution.
But, had I used that feature, I'd not have had cause to dig into Hobo! Always nice to have more than one way to pull something off. Regards, Tim On Tue, Dec 17, 2013 at 12:03 PM, Ignacio Huerta <[email protected]>wrote: > Nice events work Tim. > > I suppose you already know it, but with Hobo 2.0 you can also add Ajax > callbacks when you prepare an ajax form/button: > > <form updates="#table, #list" success="run_this_after_success()"> > > Regards, > Ignacio > > > > El 15/12/13 16:27, Tim Griffin escribió: > > Hah! > > > > I was close, but needed a few changes. > > > > Firstly I had to use the newer (jQuery 1.7+) ".on()" event handler: > > > > $('#div-permanent-image-controls').on('contentchanged', > > '#div-image-controls', function(){ alert('do stuff'); }) > > > > Secondly, I discovered I had to attach the event handler to DOM element > > that was /*always*/ on the page (e.g. a parent element of > > <div-image-controls>). I hadn't realized that as soon as ajax refreshes > > the <div-image-controls> element, its event handler disappears! So, I > > needed to use a "delegated event" as described in jQuery's .on > > <http://api.jquery.com/on/> documentation, attaching the handler to an > > encompassing parent element (and larger div). > > > > So my divs: > > > > <div id="div-permanent-image-controls"> > > <div part="div-image-controls"> > > ... stuff in the div to be updated ... > > </div> > > </div> > > > > My handler: > > > > jQuery(document).ready( > > function() { > > $('#div-permanent-image-controls').on('contentchanged', > > '#div-image-controls', function(){ alert('do stuff'); }) > > } > > ); > > > > And the call from the controller's web_method: > > > > hobo_ajax_response( :postamble => > > "$('#div-image-controls').trigger('contentchanged');" ) > > > > > > Tim > > > > > > > > On Sunday, December 15, 2013 9:47:28 AM UTC-5, Tim Griffin wrote: > > > > Yep, always happens. Shortly after posting, I realized I could do > this: > > > > hobo_ajax_response( :postamble => "; > > $('#div-image-controls').trigger('contentchanged');" ) > > > > Tim > > > > > > On Sunday, December 15, 2013 9:15:25 AM UTC-5, Tim Griffin wrote: > > > > Hi all; > > > > I'm just looking for any suggestions before I do my over > > override of hobo_ajax_response. > > > > On a page, I have a <DIV> element that gets updated by a > > web_method. I'd like to trigger a javascript function when the > > content of that DIV changes. a DIV element doesn't support a > > built-in changed event, but I can bind my own and then trigger > > it when needed: > > > > $('#div-image-controls').bind('contentchanged', function() { > > // do something when the div content has changed > > }); > > > > From my web_method, I need to trigger this 'contentchanged' > > event at the time that hobo_ajax_response is being prepared. > > > > I thought about passing my own JS to hobo_ajax_response and > > simply tacking it onto the 'page' string created by > > hobo_ajax_response: > > > > /hobo/lib/hobo/controller.rb:96 > > page << "#{function}(#{dom_id.to_json}, > > #{part_content.to_json})\n" > > > > This isn't optimal, since it means I have javascript code within > > my controller's web_method, and I'm overriding a core Hobo > method. > > > > Is there an easier way that I can't see? > > > > Many thanks, > > Tim > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Hobo Users" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at http://groups.google.com/group/hobousers. > > For more options, visit https://groups.google.com/groups/opt_out. > > -- > Ignacio Huerta Arteche > http://www.ihuerta.net > Teléfono: 0034 645 70 77 35 > Email realizado con software libre > > -- > You received this message because you are subscribed to a topic in the > Google Groups "Hobo Users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/hobousers/mzf9BSjmymg/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/hobousers. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Hobo Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/hobousers. For more options, visit https://groups.google.com/groups/opt_out.
