Package org.apache.wicket.devutils.diskstore.browser

Source Code of org.apache.wicket.devutils.diskstore.browser.BrowserPanel

/*
* 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.devutils.diskstore.browser;

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

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.AjaxSelfUpdatingTimerBehavior;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.ajax.markup.html.AjaxFallbackLink;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.time.Duration;

/**
* A panel that shows the data about pages in the data store
*/
public class BrowserPanel extends Panel
{

  /**
   * Construct.
   *
   * @param id
   *            the component id
   */
  public BrowserPanel(String id)
  {
    super(id);

    final DropDownChoice<String> sessionsSelector = createSessionsSelector("sessions");
    add(sessionsSelector);

    final BrowserTable table = createTable("table", sessionsSelector.getModel());
    add(table);

    AjaxFallbackLink<Void> refreshLink = new AjaxFallbackLink<Void>("refresh")
    {
      @Override
      public void onClick(AjaxRequestTarget target)
      {
        if (target != null)
        {
          target.add(table);
        }
      }
    };
    add(refreshLink);

    AjaxFallbackLink<Void> currentSessionLink = new AjaxFallbackLink<Void>("currentSessionLink")
    {
      @Override
      public void onClick(AjaxRequestTarget target)
      {
        sessionsSelector.setModelObject(getCurrentSession().getObject());
        if (target != null)
        {
          target.add(sessionsSelector, table);
        }
      }

      @Override
      public boolean isVisible()
      {
        return BrowserPanel.this.getSession().isTemporary() == false;
      }
    };
    currentSessionLink.setOutputMarkupPlaceholderTag(true);
    add(currentSessionLink);

    sessionsSelector.add(new AjaxFormComponentUpdatingBehavior("change")
    {
      @Override
      protected void onUpdate(AjaxRequestTarget target)
      {
        target.add(table);
      }
    });
  }

  private DropDownChoice<String> createSessionsSelector(String id)
  {
    IModel<String> defaultSession = getCurrentSession();

    DropDownChoice<String> sessionsSelector = new DropDownChoice<String>("sessions",
      defaultSession, new SessionsProviderModel());


    return sessionsSelector;
  }

  private IModel<String> getCurrentSession()
  {
    return Model.of(getSession().getId());
  }

  private BrowserTable createTable(String id, IModel<String> sessionId)
  {
    PageWindowProvider provider = new PageWindowProvider(sessionId);

    List<IColumn<PageWindowDescription, String>> columns = new ArrayList<>();

    PageWindowColumn pageIdColumn = new PageWindowColumn(Model.of("Id"), "id");
    columns.add(pageIdColumn);

    PageWindowColumn pageNameColumn = new PageWindowColumn(Model.of("Name"), "name");
    columns.add(pageNameColumn);

    PageWindowColumn pageSizeColumn = new PageWindowColumn(Model.of("Size"), "size");
    columns.add(pageSizeColumn);

    BrowserTable browserTable = new BrowserTable(id, columns, provider);
    browserTable.setOutputMarkupId(true);

    browserTable.add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(5)));

    return browserTable;
  }

}
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