/*
    * 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
    *
   *   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 org.apache.myfaces.tobago.example.demo.bestpractice;
  
  import javax.enterprise.context.SessionScoped;
  import javax.faces.component.UIParameter;
  import javax.faces.event.ActionEvent;
  import javax.inject.Named;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Locale;
  
  @SessionScoped
  @Named("customizer")
  public class ToolBarCustomizer implements Serializable {
  
    private List<Item> list;
  
    public ToolBarCustomizer() {
      resetList();
    }
  
    public String resetList() {
      list = new ArrayList<>(Arrays.asList(
          new Item("new"),
          new Item("edit"),
          new Item("delete")
      ));
  
      return null;
    }
  
    public void itemUp(final ActionEvent event) {
      final Item item = (Item) ((UIParameter) event.getComponent().getChildren().get(0)).getValue();
      final int oldIndex = list.indexOf(item);
      if (oldIndex > 0) {
        list.remove(item);
        list.add(oldIndex - 1, item);
      }
    }
  
    public void itemDown(final ActionEvent event) {
      final Item item = (Item) ((UIParameter) event.getComponent().getChildren().get(0)).getValue();
      final int oldIndex = list.indexOf(item);
      if (oldIndex < list.size() - 1) {
        list.remove(item);
        list.add(oldIndex + 1, item);
      }
    }
  
    public List<Item> getList() {
      return list;
    }
  
    public static class Item {
  
      private String label;
      private String name;
  
      private boolean visible = true;
  
      private Item(final String label) {
        this.label = label;
        this.name = "x-buttons-item-" + label.toLowerCase(Locale.ENGLISH) + ".xhtml";
      }
  
      public String getLabel() {
        return label;
      }
  
      public String getName() {
        return name;
      }
  
      public boolean isVisible() {
        return visible;
      }
  
      public void setVisible(final boolean visible) {
        this.visible = visible;
     }
   }
 }