Package org.apache.wicket.examples.tree

Source Code of org.apache.wicket.examples.tree.AdvancedTreePage$FooExpansionModel

/*
* 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 java.util.Set;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.examples.tree.content.BookmarkableFolderContent;
import org.apache.wicket.examples.tree.content.CheckedFolderContent;
import org.apache.wicket.examples.tree.content.CheckedSelectableFolderContent;
import org.apache.wicket.examples.tree.content.Content;
import org.apache.wicket.examples.tree.content.EditableFolderContent;
import org.apache.wicket.examples.tree.content.FolderContent;
import org.apache.wicket.examples.tree.content.LabelContent;
import org.apache.wicket.examples.tree.content.MixedContent;
import org.apache.wicket.examples.tree.content.MultiLineLabelContent;
import org.apache.wicket.examples.tree.content.MultiSelectableFolderContent;
import org.apache.wicket.examples.tree.content.PanelContent;
import org.apache.wicket.examples.tree.content.SelectableFolderContent;
import org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree;
import org.apache.wicket.extensions.markup.html.repeater.tree.theme.HumanTheme;
import org.apache.wicket.extensions.markup.html.repeater.tree.theme.WindowsTheme;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
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.PropertyModel;

/**
* @author Sven Meier
*/
public abstract class AdvancedTreePage extends AbstractTreePage
{

  private static final long serialVersionUID = 1L;

  private Behavior theme;

  private AbstractTree<Foo> tree;

  private FooProvider provider = new FooProvider();

  private Content content;

  private List<Content> contents;

  private List<Behavior> themes;

  /**
   * Construct.
   */
  public AdvancedTreePage()
  {
    content = new CheckedFolderContent(provider);

    Form<Void> form = new Form<Void>("form");
    add(form);

    tree = createTree(provider, new FooExpansionModel());
    tree.add(new Behavior()
    {
      private static final long serialVersionUID = 1L;

      @Override
      public void onComponentTag(Component component, ComponentTag tag)
      {
        theme.onComponentTag(component, tag);
      }

      @Override
      public void renderHead(Component component, IHeaderResponse response)
      {
        theme.renderHead(component, response);
      }
    });
    form.add(tree);

    form.add(new DropDownChoice<Content>("content",
      new PropertyModel<Content>(this, "content"), initContents(),
      new ChoiceRenderer<Content>("class.simpleName"))
    {
      private static final long serialVersionUID = 1L;

      @Override
      protected boolean wantOnSelectionChangedNotifications()
      {
        return true;
      }
    });

    form.add(new DropDownChoice<Behavior>("theme", new PropertyModel<Behavior>(this, "theme"),
      initThemes(), new ChoiceRenderer<Behavior>("class.simpleName"))
    {
      private static final long serialVersionUID = 1L;

      @Override
      protected boolean wantOnSelectionChangedNotifications()
      {
        return true;
      }
    });

    form.add(new Link<Void>("expandAll")
    {
      private static final long serialVersionUID = 1L;

      @Override
      public void onClick()
      {
        FooExpansion.get().expandAll();
      }
    });

    form.add(new Link<Void>("collapseAll")
    {
      private static final long serialVersionUID = 1L;

      @Override
      public void onClick()
      {
        FooExpansion.get().collapseAll();
      }
    });

    form.add(new Button("submit")
    {
      private static final long serialVersionUID = 1L;

      @Override
      public void onSubmit()
      {
      }
    });
  }

  protected abstract AbstractTree<Foo> createTree(FooProvider provider, IModel<Set<Foo>> state);

  private List<Content> initContents()
  {
    contents = new ArrayList<Content>();

    contents.add(new BookmarkableFolderContent(tree));
    contents.add(new LabelContent());
    contents.add(new MultiLineLabelContent());
    contents.add(new FolderContent());
    contents.add(new EditableFolderContent());
    contents.add(new SelectableFolderContent(provider));
    contents.add(new MultiSelectableFolderContent(provider));
    contents.add(new CheckedFolderContent(provider));
    contents.add(new CheckedSelectableFolderContent(provider));
    contents.add(new PanelContent());
    contents.add(new MixedContent(contents));

    content = contents.get(0);

    return contents;
  }

  private List<Behavior> initThemes()
  {
    themes = new ArrayList<Behavior>();

    themes.add(new WindowsTheme());
    themes.add(new HumanTheme());

    theme = themes.get(0);

    return themes;
  }

  @Override
  public void detachModels()
  {
    for (Content content : contents)
    {
      content.detach();
    }

    super.detachModels();
  }

  protected Component newContentComponent(String id, IModel<Foo> model)
  {
    return content.newContentComponent(id, tree, model);
  }

  private class FooExpansionModel extends AbstractReadOnlyModel<Set<Foo>>
  {
    @Override
    public Set<Foo> getObject()
    {
      return FooExpansion.get();
    }
  }
}
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