[ http://issues.apache.org/jira/browse/TAPESTRY-742?page=all ]
Howard M. Lewis Ship closed TAPESTRY-742:
-----------------------------------------
Fix Version: 4.0
Resolution: Fixed
Assign To: Howard M. Lewis Ship
> LinkSubmit renders overly verbose JavaScript
> --------------------------------------------
>
> Key: TAPESTRY-742
> URL: http://issues.apache.org/jira/browse/TAPESTRY-742
> Project: Tapestry
> Type: Improvement
> Components: Framework
> Versions: 4.0
> Reporter: Chris Conrad
> Assignee: Howard M. Lewis Ship
> Fix For: 4.0
>
> The LinkSubmit component currently renders a JavaScript function for every
> LinkSubmit on the page. This is problematic for me because I have a page
> which could have over 100 LinkSubmits on it (3 LinkSubmits per item with up
> to 50 items per page). The current JavaScript function which is rendered
> looks like:
> function onclick_LinkSubmit_0()
> {
> var form = Tapestry.find('Form');
>
> if (form.events.onsubmit_handler())
> {
> Tapestry.find('LinkSubmit_0').value = "T";
> form.onsubmit = null;
> form.submit();
> }
> }
> The LinkSubmit component could, however, add a static JavaScript file which
> contains a single function which looks like:
> function onclick_LinkSubmit(form, link)
> {
> var form = Tapestry.find(form);
>
> if (form.events.onsubmit_handler())
> {
> Tapestry.find(link).value = "T";
> form.onsubmit = null;
> form.submit();
> }
> }
> The values of 'form' and 'link' can be determined at script processing time
> and the function can be executed by creating a URL which look like:
> <a href="javascript:onclick_LinkSubmit('Form', 'LinkSubmit_0');">Do
> Something</a>
> This will substantially reduce the amount of JavaScript sent to the browser
> on a page which includes many LinkSubmits.
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