package org.opentrafficsim.editor.extensions;
   
   import java.io.IOException;
   import java.time.LocalDateTime;
   import java.util.function.Consumer;
   
   import javax.swing.ImageIcon;
   import javax.swing.JComponent;
   import javax.swing.JLabel;
  
  import org.djutils.event.Event;
  import org.djutils.event.EventListener;
  import org.opentrafficsim.editor.OtsEditor;
  import org.opentrafficsim.editor.XsdPaths;
  import org.opentrafficsim.editor.XsdTreeNode;
  import org.opentrafficsim.editor.XsdTreeNodeRoot;
  import org.opentrafficsim.editor.decoration.DefaultDecorator;
  
  /**
   * Editor for road layouts.
   * <p>
   * Copyright (c) 2023-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class RoadLayoutEditor implements EventListener, Consumer<XsdTreeNode>
  {
  
      /** Editor. */
      private final OtsEditor editor;
  
      /**
       * Constructor.
       * @param editor editor.
       * @throws IOException if icon cannot be loaded or listener cannot be added.
       */
      public RoadLayoutEditor(final OtsEditor editor) throws IOException
      {
          ImageIcon roadIcon = DefaultDecorator.loadIcon("./OTS_road.png", -1, -1, -1, -1);
          editor.addTab("Road layout", roadIcon, buildRoadLayoutPane(), null);
          editor.addListener(this, OtsEditor.NEW_FILE);
          this.editor = editor;
      }
  
      /**
       * Temporary stub to create road layout pane.
       * @return component.
       */
      private static JComponent buildRoadLayoutPane()
      {
          JLabel roadLayout = new JLabel("road layout");
          roadLayout.setOpaque(true);
          roadLayout.setHorizontalAlignment(JLabel.CENTER);
          return roadLayout;
      }
  
      @Override
      public void notify(final Event event)
      {
          // TODO: this is a dummy implementation
          if (event.getType().equals(OtsEditor.NEW_FILE))
          {
              XsdTreeNodeRoot root = (XsdTreeNodeRoot) event.getContent();
              root.addListener(this, XsdTreeNodeRoot.NODE_CREATED);
              root.addListener(this, XsdTreeNodeRoot.NODE_REMOVED);
          }
          else if (event.getType().equals(XsdTreeNodeRoot.NODE_CREATED))
          {
              XsdTreeNode node = (XsdTreeNode) ((Object[]) event.getContent())[0];
              if (node.getPathString().equals(XsdPaths.DEFINED_ROADLAYOUT) || node.getPathString().equals(XsdPaths.ROADLAYOUT))
              {
                  node.addConsumer("Edit...", this);
              }
          }
      }
  
      @Override
      public void accept(final XsdTreeNode t)
      {
          // TODO: this is a dummy implementation
          JLabel label = (JLabel) this.editor.getTab("Road layout").get();
          label.setText(LocalDateTime.now().toString());
          this.editor.focusTab("Road layout");
      }
  
  }