Package org.apache.wicket.markup.html.form

Source Code of org.apache.wicket.markup.html.form.NestedFormsPage$NestableForm

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.wicket.markup.html.form;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.validation.EqualInputValidator;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.CompoundPropertyModel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* @author Gerolf Seitz
*/
public class NestedFormsPage extends WebPage
{
  private static final long serialVersionUID = 1L;
  static Logger logger = LoggerFactory.getLogger(NestedFormsPage.class);

  private final FeedbackPanel feedback;

  /**
   * Construct.
   */
  public NestedFormsPage()
  {
    feedback = new FeedbackPanel("feedback");
    add(feedback.setOutputMarkupId(true));

    Form<?> outerForm = new NestableForm("outerForm");
    add(outerForm.setOutputMarkupId(true));

    Form<?> middleForm = new NestableForm("middleForm");
    outerForm.add(middleForm.setOutputMarkupId(true));

    Form<?> innerForm = new NestableForm("innerForm");
    middleForm.add(innerForm.setOutputMarkupId(true));
  }

  /**
   * @author Gerolf Seitz
   */
  public class NestableForm extends Form<NestableForm>
  {
    private static final long serialVersionUID = 1L;

    private final String first = "test";

    private final String second = "test";

    /** */
    public boolean onSubmitCalled = false;

    /** */
    public boolean onErrorCalled = false;

    /**
     * Construct.
     *
     * @param id
     *            the form's id
     */
    public NestableForm(String id)
    {
      super(id);
      setDefaultModel(new CompoundPropertyModel<NestableForm>(this));

      TextField<String> firstField = new RequiredTextField<String>("first");
      TextField<String> secondField = new TextField<String>("second");
      add(firstField);
      add(secondField);

      add(new EqualInputValidator(firstField, secondField));
      add(new AjaxSubmitLink("ajaxSubmit", this)
      {
        private static final long serialVersionUID = 1L;

        @Override
        protected void onSubmit(AjaxRequestTarget target, Form<?> form)
        {
          target.add(feedback);
        }

        @Override
        protected void onError(AjaxRequestTarget target, Form<?> form)
        {
          target.add(feedback);
        }
      });
      add(new ToggleLink("toggle", this));
      add(new SubmitLink("submit"));
    }

    @Override
    protected void onSubmit()
    {
      super.onSubmit();
      onSubmitCalled = true;
      logger.info(getId() + ".onSubmit");
    }

    @Override
    protected void onError()
    {
      super.onError();
      onErrorCalled = true;
      logger.info(getId() + ".onError");
    }
  }

  private class ToggleLink extends Link
  {
    private static final long serialVersionUID = 1L;

    private final Form<?> form;

    public ToggleLink(String id, Form<?> form)
    {
      super(id);
      this.form = form;
    }

    @Override
    public void onClick()
    {
      form.setEnabled(!form.isEnabled());
      form.info(form.getId() + ".isEnabled() == " + form.isEnabled());
    }

    @Override
    protected void onComponentTagBody(MarkupStream markupStream, ComponentTag openTag)
    {
      String state = form.isEnabled() ? "enabled" : "disabled";
      replaceComponentTagBody(markupStream, openTag, "form is " + state);
    }
  }

}
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