ToggleClassAttributeAppender.java

package be.selckin.swu;

import org.apache.wicket.behavior.AttributeAppender;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;

public class ToggleClassAttributeAppender extends AttributeAppender {

    public ToggleClassAttributeAppender(final IModel<Boolean> name, final String a, final String b) {
        super("class", new AbstractReadOnlyModel<Object>() {
            @Override
            public Object getObject() {
                return name.getObject() ? a : b;
            }
        }, " ");
    }

}