ChildVisibilityWebMarkupContainer.java

package be.selckin.swu;

import org.apache.wicket.Component;
import org.apache.wicket.markup.html.WebMarkupContainer;

import java.util.Iterator;

public class ChildVisibilityWebMarkupContainer extends WebMarkupContainer {
    private final Component[] components;

    public ChildVisibilityWebMarkupContainer(String id) {
        super(id);
        this.components = null;
    }

    public ChildVisibilityWebMarkupContainer(String id, Component... components) {
        super(id);
        this.components = components;
    }

    @Override
    public boolean isVisible() {
        if (components != null) {
            for (Component component : components) {
                if (component.isVisible() && component.isVisibilityAllowed())
                    return true;
            }
            return false;
        } else {
            Iterator<? extends Component> it = iterator();
            while (it.hasNext())
                if (it.next().isVisible())
                    return true;
            return false;
        }
    }
}