content: /*
   * Copyright (C) 2015-2023 Emanuel Moecklin
   *
   * Licensed 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
   *
   *     http://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 KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.onegravity.rteditor.toolbar.spinner;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * A collection of SpinnerItem objects.
   * It's used to populate the SpinnerItemAdapter.
   */
  public class SpinnerItems<T extends SpinnerItem> {
  
      private List<T> mItems = new ArrayList<T>();
      private int mSelectedItem = -1;
  
      /**
       * Constructor for default values (no entries, no selected entries)
       */
      public SpinnerItems() {
      }
  
      /**
       * @param items        The list of SpinnerItem objects to display in the spinner
       * @param selectedItem The index of the selected item or -1 if none has been selected yet
       */
      public SpinnerItems(List<T> items, int selectedItem) {
          mItems = items;
          mSelectedItem = selectedItem;
      }
  
      public synchronized void add(T item) {
          getItemsInternal().add(item);
      }
  
      public synchronized void clear() {
          getItemsInternal().clear();
      }
  
      public synchronized void setItems(List<T> items) {
          mItems = items;
      }
  
      public synchronized List<T> getItems() {
          return getItemsInternal();
      }
  
      public synchronized int size() {
          return getItemsInternal().size();
      }
  
      public void setSelectedItem(int selectedItem) {
          mSelectedItem = selectedItem;
      }
  
      public int getSelectedItem() {
          return mSelectedItem;
      }
  
      // lazy initialization
      private synchronized List<T> getItemsInternal() {
          if (mItems == null) mItems = new ArrayList<T>();
          return mItems;
      }
  }