com.pennychecker.wicketexample.mvp.view.UserContainerView.java Source code

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Here is the source code for com.pennychecker.wicketexample.mvp.view.UserContainerView.java

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/**
 * Copyright [2011] Steffen Kmpke
 * mailto: sk@pennychecker.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.pennychecker.wicketexample.mvp.view;

import org.apache.wicket.Component;
import org.apache.wicket.markup.html.panel.Panel;

import com.pennychecker.presenter.wicket.WicketDisplay;
import com.pennychecker.wicketexample.mvp.presenter.UserContainerPresenter;

/**
 * @author Steffen Kaempke
 */
public class UserContainerView extends Panel implements UserContainerPresenter.Display {

    public static final String VIEW_ID = "panelUserContainerView";
    private UserContainerPresenter presenter;

    public UserContainerView() {
        super(VIEW_ID);
    }

    /**
     * 
     */
    private static final long serialVersionUID = 6100015125034775143L;

    public void showComponent(final Component component) {
        VisitComponent visitor = new VisitComponent();
        UserContainerView.this.visitChildren(visitor);
        component.setVisible(true);
    }

    public void addComponent(Component component) {
        this.add(component);
        component.setVisible(false);
    }

    public void removeComponent(Component component) {

    }

    public Component asComponent() {
        return this;
    }

    public void setPresenter(UserContainerPresenter presenter) {
        this.presenter = presenter;
    }

    private static class VisitComponent implements IVisitor<Component> {
        public Object component(Component component) {
            /**
             * Hide the visible compoenent. Its a workaround. If you have a better idea, you can write me an email to sk@pennychecker.com.
             */
            if (component instanceof WicketDisplay<?>) {
                component.setVisible(false);
            }
            return IVisitor.CONTINUE_TRAVERSAL;
        };
    }

}