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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 David Berkman
 *
 * This file is part of the SmallMind Code Project.
 *
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 *
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * ...or...
 *
 * 2) The terms of the Apache License, Version 2.0.
 *
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License or Apache License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 *
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.wicket.behavior;

import java.util.Map;
import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.util.template.PackageTextTemplate;

public class JavaScriptBehavior extends Behavior {

  private final Map substitutionMap;
  private final Class scopeClass;
  private final String fileName;

  public JavaScriptBehavior () {

    this(null, null, null);
  }

  public JavaScriptBehavior (String fileName) {

    this(null, fileName, null);
  }

  public JavaScriptBehavior (String fileName, Map substitutionMap) {

    this(null, fileName, substitutionMap);
  }

  public JavaScriptBehavior (Class scopeClass) {

    this(scopeClass, null, null);
  }

  public JavaScriptBehavior (Class scopeClass, Map substitutionMap) {

    this(scopeClass, null, substitutionMap);
  }

  public JavaScriptBehavior (Class scopeClass, String fileName, Map substitutionMap) {

    this.scopeClass = scopeClass;
    this.fileName = fileName;
    this.substitutionMap = substitutionMap;
  }

  @Override
  public void renderHead (Component component, IHeaderResponse response) {

    Class interpolatedClass = (scopeClass != null) ? scopeClass : component.getClass();
    String interpolatedFileName = (fileName == null) ? component.getClass().getSimpleName() + ".js" : fileName;

    response.render(JavaScriptHeaderItem.forScript(new PackageTextTemplate(interpolatedClass, interpolatedFileName).asString(substitutionMap), interpolatedClass.getName() + ":" + interpolatedFileName));
  }
}