text: /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
   *
   * Copyright 2011 Oracle and/or its affiliates. All rights reserved.
   *
   * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.
   *
   * The contents of this file are subject to the terms of either the GNU
   * General Public License Version 2 only ("GPL") or the Common
   * Development and Distribution License("CDDL") (collectively, the
   * "License"). You may not use this file except in compliance with the
   * License. You can obtain a copy of the License at
   * http://www.netbeans.org/cddl-gplv2.html
   * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
   * specific language governing permissions and limitations under the
   * License.  When distributing the software, include this License Header
   * Notice in each file and include the License file at
   * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the GPL Version 2 section of the License file that
   * accompanied this code. If applicable, add the following below the
   * License Header, with the fields enclosed by brackets [] replaced by
   * your own identifying information:
   * "Portions Copyrighted [year] [name of copyright owner]"
   *
   * If you wish your version of this file to be governed by only the CDDL
   * or only the GPL Version 2, indicate your decision by adding
   * "[Contributor] elects to include this software in this distribution
   * under the [CDDL or GPL Version 2] license." If you do not indicate a
   * single choice of license, a recipient has the option to distribute
   * your version of this file under either the CDDL, the GPL Version 2 or
   * to extend the choice of license to its licensees as provided above.
   * However, if you add GPL Version 2 code and therefore, elected the GPL
   * Version 2 license, then the option applies only if the new code is
   * made subject to such option by the copyright holder.
   *
   * Contributor(s):
   *
   * Portions Copyrighted 2011 Sun Microsystems, Inc.
   */
  
  package org.netbeans.modules.scala.maven;
  
  import java.util.ArrayList;
  import java.util.List;
  import javax.swing.event.ChangeListener;
  import org.netbeans.api.java.project.JavaProjectConstants;
  import org.netbeans.api.project.Project;
  import org.netbeans.api.project.SourceGroup;
  import org.netbeans.api.project.Sources;
  import static org.netbeans.modules.scala.maven.Bundle.*;
  import org.netbeans.spi.project.ProjectServiceProvider;
  import org.netbeans.spi.project.SourceGroupModifierImplementation;
  import org.netbeans.spi.project.support.GenericSources;
  import org.openide.filesystems.FileObject;
  import org.openide.util.NbBundle;
  
  @ProjectServiceProvider(service={Sources.class, SourceGroupModifierImplementation.class}, projectType="org-netbeans-modules-maven")
  public class ScalaSourcesImpl implements Sources, SourceGroupModifierImplementation {
  
      public static final String TYPE_SCALA = "scala";
      public static final String NAME_SCALASOURCE = "91ScalaSourceRoot";
      public static final String NAME_SCALATESTSOURCE = "92ScalaTestSourceRoot";
  
      private final Project project;
  
      public ScalaSourcesImpl(Project project) {
          this.project = project;
      }
  
      @Override public SourceGroup[] getSourceGroups(String type) {
          if (TYPE_SCALA.equals(type)) {
              List<SourceGroup> groups = new ArrayList<SourceGroup>();
              maybeAddGroup(groups, false);
              maybeAddGroup(groups, true);
              return groups.toArray(new SourceGroup[groups.size()]);
          } else {
              return new SourceGroup[0];
          }
      }
  
      @NbBundle.Messages({
          "SG_ScalaSources=Scala Packages",
          "SG_Test_ScalaSources=Scala Test Packages"
      })
      private void maybeAddGroup(List<SourceGroup> groups, boolean test) {
          //XXX we should consult the maven project configuration as well
          FileObject root = project.getProjectDirectory().getFileObject("src/" + (test ? "test" : "main") + "/scala");
          if (root != null) {
              groups.add(GenericSources.group(project, root, test ? NAME_SCALATESTSOURCE : NAME_SCALASOURCE, test ? SG_Test_ScalaSources() : SG_ScalaSources(), null, null));
          }
      }
  
      @Override public void addChangeListener(ChangeListener listener) {
          // XXX listen to creation/deletion of roots
      }
  
      @Override public void removeChangeListener(ChangeListener listener) {}
  
      @Override public SourceGroup createSourceGroup(String type, String hint) {
          // XXX this looks weird, cannot tell where something is created..
          if (!canCreateSourceGroup(type, hint)) {
              return null;
          }
          List<SourceGroup> groups = new ArrayList<SourceGroup>();
          maybeAddGroup(groups, JavaProjectConstants.SOURCES_HINT_TEST.equals(hint));
          return groups.isEmpty() ? null : groups.get(0);
      }
  
      @Override public boolean canCreateSourceGroup(String type, String hint) {
          return TYPE_SCALA.equals(type) && (JavaProjectConstants.SOURCES_HINT_MAIN.equals(hint) || JavaProjectConstants.SOURCES_HINT_TEST.equals(hint));
      }
  
  }
  