Re: javascript effects before an ajax call

[Antony Stubbs <an...@gmail.com>]

Is it possible to override certain methods in wicketajax.js ? In order  
to modify the behaviour of one of the methods.

but i'd prefer not to run a patched wicket, or have to run on a copy  
of the whole wicketajax.js file - but i will if i have to :/

what i want to do is add pre and post hooks  
processComponent#Wicket.replaceOuterHtml function - as this will solve  
what I want to do - i.e. run an animation on the element to be  
replaced, after the ajax call completes, but before the element is  
replaced.

p.s. martijn, is there any info available on the plan for the new ajax  
system?

I just found - there is a post animation hook in Scriptaculous, which  
I have working to run the ajax request in, however this doesn't quite  
get there, as there's is of course the delay between when the  
animation finishes, and when the ajax request actually completes -  
which is too long.

Cheers,
Antony Stubbs,

sharca.com

On 27/07/2009, at 9:31 PM, Martijn Dashorst wrote:

> Not 100% sure if it's already done, but I've bugged Matej with this
> request for 1.5's new Ajax implementation.
>
> Martijn
>
> On Mon, Jul 27, 2009 at 9:40 AM, Antony  
> Stubbs<an...@gmail.com> wrote:
>> Was this ever implemented / solved?:
>>
>>
>>
>> Nov 21, 2006; 07:09am Re: Using Javascript Effects Before An Ajax  
>> Call
>> This is possible to do with wicket, however it would require minor
>> enhancement of the ajax processing code.
>>
>> We already have infrastructure for asynchronously postponing  
>> processing
>> steps.
>>
>> However, I can't do that right now. Maybe in a week or so. So if  
>> anyone
>> really needs to pause between executing scripts from  
>> "prependJavascript"
>> and replacing the elements (which is I understand right this is all
>> about), keep bugging me, I will eventually implement that. :)
>>
>> -Matej
>>
>> cygnusx2112 wrote:
>>
>>> Thanks for the clarification Igor. I ended up achieving the  
>>> desired affect
>>> by
>>> using an AjaxCallDecarator in combination with a server side pause.
>>> Basically I was trying to do the following:
>>>
>>>    1) Run animation effect on element
>>>    2) Use Ajax request to replace element
>>>    3) Run another animation effect on the element
>>>
>>> As you noticed, I needed a way to block so that #2 and #3 would  
>>> not step
>>> on
>>> #1. As a non-Javascript guru I was unable to find a way to block the
>>> Javascript "thread" without some kind of CPU beating hack loop.  
>>> However,
>>> the
>>> solution I am using seems to work well.
>>>
>>> In my efforts to accomplish this I have built some pretty  
>>> interesting
>>> subclasses of AjaxEventBehavior that might be worth contributing.  
>>> They
>>> basically allow you to cleanly add pre/post visual effects to  
>>> components
>>> around an Ajax event.
>>>
>>> Regards,
>>>
>>> -MT
>>>
>>>
>>>
>>>
>>> igor.vaynberg wrote:
>>>>
>>>> ....the effect is clearly executed asynchronously from the rest  
>>>> of the
>>>> javascript "thread" so you need to find a way to block until the  
>>>> effect
>>>> is
>>>> complete.
>>>>
>>>> -igor
>>>>
>>>
>> ... [show rest of quote]
>>
>>
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>> Cheers,
>> Antony Stubbs,
>>
>> sharca.com
>>
>>
>
>
>
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