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   *  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
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   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne.modeler.dialog;
  
  import java.util.prefs.Preferences;
  
  import javax.swing.JCheckBox;
  import javax.swing.JOptionPane;
  
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.dialog.pref.GeneralPreferences;
  
  /**
   * Used to confirm deleting items in the model.
   * 
   */
  public class ConfirmRemoveDialog {
  
      private static final String DELETE = "Delete";
  
      private boolean shouldDelete = true;
  
      /**
       * If false, no question will be asked no matter what settings are
       */
      private boolean allowAsking;
  
      public ConfirmRemoveDialog(boolean allowAsking) {
          this.allowAsking = allowAsking;
      }
  
      private void showDialog(String name) {
  
          JCheckBox neverPromptAgainBox = new JCheckBox("Always delete without prompt.");
  
          Object message[] = {
                  String.format("Are you sure you would like to delete the %s?", name),
                  neverPromptAgainBox
          };
  
          JOptionPane pane = new JOptionPane(message, JOptionPane.QUESTION_MESSAGE);
          pane.setOptions(new Object[]{ DELETE, "Cancel" });
          pane.setInitialValue(DELETE);
          pane.createDialog(Application.getFrame(), "Confirm Delete").setVisible(true);
  
          shouldDelete = DELETE.equals(pane.getValue());
  
          // If the user clicks "cancel" or window close button, we'll just ignore whatever's in the checkbox because
          // it's non-sensical.
          if (shouldDelete) {
              Preferences pref = Application.getInstance().getPreferencesNode(
                      GeneralPreferences.class,
                      "");
              pref.putBoolean(
                      GeneralPreferences.DELETE_PROMPT_PREFERENCE,
                      neverPromptAgainBox.isSelected());
          }
      }
  
      public boolean shouldDelete(String type, String name) {
          return shouldDelete(String.format("%s named '%s'", type, name));
      }
  
      public boolean shouldDelete(String name) {
          if (allowAsking) {
  
              Preferences pref = Application.getInstance().getPreferencesNode(
                      GeneralPreferences.class,
                      "");
  
              // See if the user has opted not to showDialog the delete dialog.
              if ((pref == null)
                      || !pref.getBoolean(
                              GeneralPreferences.DELETE_PROMPT_PREFERENCE,
                              false)) {
                  showDialog(name);
              }
          }
  
          return shouldDelete;
      }
  }
  