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package org.netbeans.modules.j2ee.earproject.ui;

import java.util.Collections;
import java.util.List;
import javax.swing.event.ChangeListener;
import org.netbeans.api.project.Project;
import org.netbeans.modules.j2ee.earproject.EarProject;
import org.netbeans.modules.j2ee.spi.ejbjar.support.J2eeProjectView;
import org.netbeans.spi.project.ui.support.NodeFactory;
import org.netbeans.spi.project.ui.support.NodeList;
import org.openide.filesystems.FileObject;
import org.openide.nodes.Node;
/**
 *
 * @author Lukas Jungmann
 */
@NodeFactory.Registration(projectType="org-netbeans-modules-j2ee-earproject", position=100)
public class ConfFilesNodeFactory implements NodeFactory {

    public ConfFilesNodeFactory() {
    }

    public NodeList<String> createNodes(Project p) {
        EarProject project = p.getLookup().lookup(EarProject.class);
        assert project != null;
        return new ConfFilesNodeList(project);
    }

    private static class ConfFilesNodeList implements NodeList<String> {

        private static final String CONF_FILES = "confFiles"; //NOI18N
        private final EarProject project;

        ConfFilesNodeList(EarProject proj) {
            this.project = proj;
        }

        public List<String> keys() {
            return Collections.singletonList(CONF_FILES);
        }

        public void addChangeListener(ChangeListener l) {
            // Ignore, not generating change event.
        }

        public void removeChangeListener(ChangeListener l) {
            // Ignore, not generating change event.
        }

        public Node node(String key) {
            if (CONF_FILES.equals(key)) {
                FileObject metaInfDir = project.getOrCreateMetaInfDir();
                if (metaInfDir != null) {
                    return J2eeProjectView.createConfigFilesView(metaInfDir);
                } else {
                    return null;
                } 
            }
            assert false : "No node for key: " + key; // NOI18N
            return null;
        }

        public void addNotify() {
        }

        public void removeNotify() {
        }
    }
}
