> When this is executed, it triggers the event method properly in the Java
> Page class, but it also triggers the render cycle in the page class as well,
> as far as my logs indicate.
Sounds like tapestry isn't detecting that you are doing XHR. It's
detected based on an HTTP header "X-Requested-With" set to
"XMLHttpRequest". I believe this is supplied by jquery and prototype,
not the base object provided by the browser.
Josh
On Wed, Apr 6, 2011 at 9:11 AM, Rich M <rich...@moremagic.com> wrote:
> To add, I'm not sure creating a pure XHR request is working out quite how I
> might have expected. The following javascript snippet:
>
> var request = false;
> try {
> request = new XMLHttpRequest();
>
> var url = "/ViewTransactionsTab:HideShow/" + escape(hide);
>
> request.open("GET", url, true);
> request.send(null);
>
> } catch (failed) {
> request = false;
> }
>
> and the Java Page class snippet:
>
> @Property @Persist
> private Boolean hide;
>
> void onHideShow(boolean hidden){
>
> debug("In onHideShow. Hidden: " + hidden);
>
> hide = hidden;
> }
>
> When this is executed, it triggers the event method properly in the Java
> Page class, but it also triggers the render cycle in the page class as well,
> as far as my logs indicate. I don't believe this rendering is relayed to the
> client, but it doesn't seem right either. This code was loosely based off of
> http://tapestry.markmail.org/thread/fc2hubsb6dd6hait
>
> On 04/06/2011 11:49 AM, Rich M wrote:
>>
>> Thanks, that was an interesting read, but it doesn't help solve my
>> problem. I still don't see how I would pass a persisted property-bound
>> parameter to the implementation mixin. The only related code I've seen is
>> like
>>
>> @Component(parameters={"hidden=hide"})
>>
>> but using that like this doesn't work for obvious reasons, since its a
>> Mixin not a Component
>>
>> @Component(parameters={"hidden=hide"}) @Mixin("HideShowSearch")
>> private HideShowSearch hss;
>>
>>
>>
>> On 04/05/2011 08:51 PM, Taha Hafeez wrote:
>>>
>>> Hi
>>>
>>> There was a discussion related to 'Parameters in Implementation
>>> Mixins'...
>>>
>>> http://tapestry.1045711.n5.nabble.com/Parameters-in-implementation-mixins-td3395407.html
>>>
>>> Hope it helps
>>>
>>>
>>> <http://tapestry.1045711.n5.nabble.com/Parameters-in-implementation-mixins-td3395407.html>
>>> regards
>>> Taha
>>>
>>> On Wed, Apr 6, 2011 at 2:22 AM, Rich M<rich...@moremagic.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I have a Page and it has a search form, contained within an ID'ed DIV. I
>>>> made an implementation mixin that initializes an Event observer on the
>>>> on
>>>> click event of a 'button' in the Page's HTML. The event triggers
>>>> javascript
>>>> that hides/shows the search form.
>>>>
>>>> That works fine, but I want to add functionality so there is persistence
>>>> of
>>>> the hide/show state between page refreshes. Documentation recommends to
>>>> delegate persistence to the container using parameters, but I haven't
>>>> seen
>>>> any documentation that indicates it is possible to use parameters on an
>>>> implementation mixin. At any rate, what would be the concept to
>>>> achieving
>>>> this, having the javascript hide/show event return an XHR request to the
>>>> server that it in turn uses to set the persistent field?
>>>>
>>>> Thanks,
>>>> Rich
>>>>
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>>
>>
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