code: package org.omnetpp.ned.editor.graph.misc;
  
  import org.eclipse.draw2d.Cursors;
  import org.eclipse.swt.graphics.Cursor;
  import org.eclipse.swt.graphics.Image;
  import org.omnetpp.ned.editor.NedEditorPlugin;
  
  /**
   * A shared collection of Cursors.
   *
   * @since 2.0
   */
  public class NedSharedCursors extends Cursors {
  
      /**
       * Cursor for valid connection
       */
      public static final Cursor CURSOR_PLUG;
      /**
       * Cursor for invalid connection
       */
      public static final Cursor CURSOR_PLUG_NOT;
      /**
       * Cursor for adding to a tree
       */
      public static final Cursor CURSOR_TREE_ADD;
      /**
       * Cursor for dragging in a tree
       */
      public static final Cursor CURSOR_TREE_MOVE;
  
      static {
          CURSOR_PLUG = createCursor("cursors/plug.gif"); //$NON-NLS-1$
          CURSOR_PLUG_NOT = createCursor("cursors/plug_not.gif"); //$NON-NLS-1$
          CURSOR_TREE_ADD = createCursor("cursors/tree_add.gif"); //$NON-NLS-1$
          CURSOR_TREE_MOVE = createCursor("cursors/tree_move.gif"); //$NON-NLS-1$
      }
  
      private static Cursor createCursor(String sourceName) {
          Image src = NedEditorPlugin.getImage(sourceName);
          return new Cursor(null, src.getImageData(), 0, 0);
      }
  }
  