Package org.apache.wicket.examples.tree

Source Code of org.apache.wicket.examples.tree.TreeApplication

/*
* 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.examples.tree;

import java.util.ArrayList;
import java.util.List;

import org.apache.wicket.Page;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.response.filter.ServerAndClientTimeFilter;

/**
* Application class for tree examples.
*
* @author svenmeier
*/
public class TreeApplication extends WebApplication
{
  /**
   * All root {@link Foo}s.
   */
  public List<Foo> foos = new ArrayList<Foo>();

  /**
   * Constructor.
   */
  public TreeApplication()
  {
    Foo fooA = new Foo("A");
    {
      Foo fooAA = new Foo(fooA, "AA");
      {
        new Foo(fooAA, "AAA");
        new Foo(fooAA, "AAB");
      }
      Foo fooAB = new Foo(fooA, "AB");
      {
        new Foo(fooAB, "ABA");
        Foo fooABB = new Foo(fooAB, "ABB");
        {
          new Foo(fooABB, "ABBA");
          Foo fooABBB = new Foo(fooABB, "ABBB");
          {
            new Foo(fooABBB, "ABBBA");
          }
        }
        new Foo(fooAB, "ABC");
        new Foo(fooAB, "ABD");
      }
      Foo fooAC = new Foo(fooA, "AC");
      {
        new Foo(fooAC, "ACA");
        new Foo(fooAC, "ACB");
      }
    }
    foos.add(fooA);

    Foo fooB = new Foo("B");
    {
      new Foo(fooB, "BA");
      new Foo(fooB, "BB");
    }
    foos.add(fooB);

    Foo fooC = new Foo("C");
    foos.add(fooC);
  }

  /**
   * @see org.apache.wicket.protocol.http.WebApplication#init()
   */
  @Override
  protected void init()
  {
    getDebugSettings().setDevelopmentUtilitiesEnabled(true);

    getRequestCycleSettings().addResponseFilter(new ServerAndClientTimeFilter());
  }

  /**
   * @see org.apache.wicket.Application#getHomePage()
   */
  @Override
  public Class<? extends Page> getHomePage()
  {
    return BeginnersTreePage.class;
  }

  /**
   * Get a {@link Foo} by its id.
   */
  public Foo getFoo(String id)
  {
    return findFoo(foos, id);
  }

  private static Foo findFoo(List<Foo> foos, String id)
  {
    for (Foo foo : foos)
    {
      if (foo.getId().equals(id))
      {
        return foo;
      }

      Foo temp = findFoo(foo.getFoos(), id);
      if (temp != null)
      {
        return temp;
      }
    }

    return null;
  }

  public static TreeApplication get()
  {
    return (TreeApplication)WebApplication.get();
  }
}
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