Hello,
I used Igor's template below for something else. Just like in the
example I add a generic javascript function to the header.
However, the function is added once for every time I add the behavior to
an component in the page.
Who knows a clean way to prevent this?
Regards,
Erik.
Igor Vaynberg schreef:
> this is a browser "feature"
>
> what you can do is add the behavior below to all textfields in the form
>
> /**
> * Behavior that traps the enter key press
> *
> * @author ivaynberg
> */
> public class EnterKeyTrap extends AbstractBehavior implements
> IHeaderContributor {
> @Override
> public void onComponentTag(Component component, ComponentTag tag) {
> tag.put("onkeydown", "return ekt(event)!=13");
> }
>
> public void renderHead(Response response) {
> response.write(JavascriptUtils.SCRIPT_OPEN_TAG);
> response.write("function
> ekt(e){if(typeof(e.keyCode)==\"undefined\"){return
> e.which;}else{return e.keyCode;}}");
> response.write (JavascriptUtils.SCRIPT_CLOSE_TAG);
> }
> }
>
> -igor
--
Erik van Oosten
http://www.day-to-day-stuff.blogspot.com/
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