Hi, FWIW, I don't think this is should be core. It may be useful in the scenario in which you're using it, which is great, but I see too many dangers involved in copying event handlers from one element to another. I mentioned one of them here.[1]
[1] http://groups.google.com/group/prototype-scriptaculous/browse_thread/thread/e5286fee9ac18a40 Happy coding, -- T.J. Crowder tj / crowder software / com www.crowdersoftware.com On Aug 27, 5:36 pm, watermark86 <watermar...@gmail.com> wrote: > I posted this code on the support list, but now that it's working, it > seems more appropriate to put it here. Using 1.6.1rc3, the following > bit of code will deep clone an element along with the events that are > attached to it and the data stored with Element.store. I've tested it > in Firefox 3.5 with every scenario I can think of and it seems to work > fine. I propose similar functionality be added to the Element.clone > method. > > deepClone: function(element) { > var newElement = element.clone(true); //clone the node > > //stop observing all events on the newElement (IE (and some > others?) copies them) > newElement.stopObserving(); > > //copy storage > Element.getStorage(newElement); > (Element.Storage[newElement._prototypeUID[0]]=new Hash > (Element.getStorage(element))).unset('prototype_event_registry'); > > //copy the events on the parent > if (!Object.isUndefined(registry = Element.retrieve(element, > 'prototype_event_registry'))) { > registry.each( function(pair) { > var eventName = pair.key, responders = pair.value; > responders.each( function(r) { > Element.observe(newElement, eventName, > r.handler); > }); > }); > } > > //get all of the descendants > var srcdecend = element.descendants(); > var dstdecend = newElement.descendants(); > var numdecend = srcdecend.length; > > //foreach of the descendants > for(var i = 0; i < numdecend; ++i) { > //stop observing all events on the newElement (IE (and some > others?) copies them) > dstdecend[i].stopObserving(); > //copy storage > Element.getStorage(dstdecend[i]); > > (Element.Storage[dstdecend[i]._prototypeUID[0]]=Element.getStorage > (srcdecend[i]).clone()).unset('prototype_event_registry'); > //copy the events on each child to it's new corrisponding child > var registry = Element.retrieve(srcdecend[i], > 'prototype_event_registry'); > if (!Object.isUndefined(registry)) { > registry.each( function(pair) { > var eventName = pair.key, responders = > pair.value; > responders.each( function(r) { > Element.observe(dstdecend[i], > eventName, r.handler); > }); > }); > } > } > > return newElement; > } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Prototype: Core" group. To post to this group, send email to prototype-core@googlegroups.com To unsubscribe from this group, send email to prototype-core-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/prototype-core?hl=en -~----------~----~----~----~------~----~------~--~---
