Re: RelativePathPrefixHandler and form "action" attributes

[Brad Fritz]

On Fri, Jul 18, 2008 at 01:14:08PM -0700, Igor Vaynberg wrote:

> override oncomponenttag() of the form and call super followed by
> tag.put("action", "whateverurl");

Thanks for the pointer, Igor!

For the benefit of archive searchers, the onComponentTag() solution
required that I add a wicket:id to my form--even though form
submission is not handled by Wicket.  I also needed to override
onComponentTagBody() to prevent the Form rendering from adding Wicket
hidden fields to my form.

Here is a code snippet to illustrate:

public class SearchPanel extends Panel {

    public SearchPanel(String id) {
        super(id);
        add(new Form("searchForm") {
            protected void onComponentTag(ComponentTag tag) {
                // prefix the form "action" attribute with a relative path 
prefix
                tag.put(
                    "action",
                    
RequestCycle.get().getRequest().getRelativePathPrefixToContextRoot()
                    + tag.getAttributes().getString("action"));
            }

            // override the default to suppress the addition of Wicket hidden 
form fields
            protected void onComponentTagBody(final MarkupStream markupStream, 
final ComponentTag openTag) {
                renderComponentTagBody(markupStream, openTag);
            }
        });
    }
}


--Brad


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