In lieu of a better (tapestry provided) solution, this is what i'm
using. It seems to work, but I can see the need to make the callbacks
parameterised in the future (which currently isn't supported by
Tapestry.onDOMLoaded)
function callWhenPageLoaded(callback)
{
if (typeof(Tapestry) == "undefined")
throw("callWhenPageLoaded called too early");
if (Tapestry.pageLoaded)
callback.call(this);
else
Tapestry.onDOMLoaded(callback);
}
If something like this doesn't exist in tapestry already, I think it should.
p.
On 7/03/2011 9:44 AM, Paul Stanton wrote:
Hi all,
i'm using tapestry 5.1.0.5 on this particular project.
I'm not 100% sure this isn't already available, but before duplicating
logic i thought I'd check...
I need to be able to call a function at any point in the page state
(ie before it's loaded, during loading, after load) but have it wait
until tapestry.init has been called.
Kind of how Tapestry.waitForPage works, except that if the page has
not loaded, instead of showing a dialog, it would register it for
invoking once the page is loaded.
so in psuedo:
function(callback)
{
if(Tapestry.pageLoaded)
invoke(callback);
else
Tapestry.onDOMLoaded(callback);
}
2 questions:
a) is this functionality already available? where?
b) would the above approach be fool-proof? ie would there be a case
where Tapestry.pageLoaded == false and Tapestry.onDOMLoaded would
still not invoke the callback?
thanks, p.
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