placeholder fallback component

[tomek <ts...@hotmail.com>]

Hi,

Am trying to create fallback component for html5 placeholder, I got it kind
of working with following:

Form<> form = new Form();
form.add(new FallbackPlaceholder());

public class FallbackPlaceholder extends Behavior
{

    public void onComponentTag(Component component, ComponentTag tag)
    {
      String onsubmit = tag.getAttribute("onsubmit");
      String placeholderClear = "placeholder.clearAll();";
      tag.put("onsubmit", onsubmit);
    }
    public void renderHead(Component component, IHeaderResponse response)
    {
      response.renderOnLoadJavaScript("placeholder.init()");
    }
}

this seems to work, but I also need to add something like that:

form.add(new AjaxSubmitLink() {
...
            protected void onError(AjaxRequestTarget target, Form<?> form)
            {
                target.appendJavaScript("placeholder.init();");
            }
});

which is additional step outside FallbackPlaceholder which makes it rather
poor component.

Any idea how can I fix this?



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