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   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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   ****************************************************************/
  package org.apache.cayenne.modeler.event;
  
  import java.awt.event.MouseAdapter;
  import java.awt.event.MouseEvent;
  
  import javax.swing.*;
  import javax.swing.event.ChangeEvent;
  
  /**
   * A class to handle mouse right-click on table and show popup after selecting specified
   * table row
   */
  public class TablePopupHandler extends MouseAdapter {
  
      private final JTable table;
  
      private final JPopupMenu popup;
  
      /**
       * Creates new mouse handler for table, which shows specified popupmenu on right-click
       */
      public TablePopupHandler(JTable table, JPopupMenu popup) {
          this.table = table;
          this.popup = popup;
      }
  
      /**
       * Creates and installs mouse listener for a table
       */
      public static void install(JTable table, JPopupMenu popup) {
          table.addMouseListener(new TablePopupHandler(table, popup));
      }
  
      /**
       * Invoked when a mouse button has been pressed on a component.
       */
      @Override
      public void mousePressed(MouseEvent e) {
          mouseReleased(e);
      }
  
      /**
       * Invoked when a mouse button has been released on a component.
       */
      @Override
      public void mouseReleased(MouseEvent e) {
          if (!e.isPopupTrigger()) {
              return;
          }
          table.editingCanceled(new ChangeEvent(this));
  
          int row = table.rowAtPoint(e.getPoint());
          if (row != -1 && !table.getSelectionModel().isSelectedIndex(row)) {
              table.setRowSelectionInterval(row, row);
          }
  
          popup.show(table, e.getX(), e.getY());
      }
  }
  