de.flapdoodle.wicket.examples.debug.ModelNotDetachedPage.java Source code

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/**
 * Copyright (C) 2011
 *   Michael Mosmann <michael@mosmann.de>
 *   Jan Bernitt <unknown@email.de>
 *
 * with contributions from
 *    nobody yet
 *
 * 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 de.flapdoodle.wicket.examples.debug;

import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.Model;

public class ModelNotDetachedPage extends WebPage {

    public ModelNotDetachedPage() {
        final IModel<String> nameModel = new LoadableDetachableModel<String>() {
            @Override
            protected String load() {
                return "Klaus";
            }
        };

        IModel<String> wrongProxyModel = new AbstractReadOnlyModel<String>() {
            @Override
            public String getObject() {
                return nameModel.getObject();
            }
        };

        add(new Label("name", wrongProxyModel));

        add(new Link<Integer>("link", Model.of(0)) {
            @Override
            public void onClick() {
                setModelObject(getModelObject() + 1);
            }
        });
    }
}