/* ItemCommentViewModel.cs
 * part of zaaReloaded2
 * 
 * Copyright 2015-2018 Daniel Kraus
 * 
 * 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.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bovender.Mvvm;
using Bovender.Mvvm.ViewModels;
using Bovender.Mvvm.Messaging;
using zaaReloaded2.Controller.Comments;

namespace zaaReloaded2.ViewModels
{
    /// <summary>
    /// View model for zaaReloaded2.Controller.Comments.ItemComment.
    /// </summary>
    public class ItemCommentViewModel : ViewModelBase
    {
        #region Properties

        public string Item { get { return _itemComment.Item; } }

        public string Prefix { get { return _itemComment.Prefix;  } }

        public string Value
        {
            get
            {
                return _value;
            }
            set
            {
                _value = value;
                OnPropertyChanged("Value");
            }
        }

        public string Suffix { get { return _itemComment.Suffix; } }

        #endregion

        #region Commands

        public DelegatingCommand SaveCommand
        {
            get
            {
                if (_saveCommand == null)
                {
                    _saveCommand = new DelegatingCommand(
                        param => DoSave());
                }
                return _saveCommand;
            }
        }

        #endregion

        #region Constructor

        public ItemCommentViewModel(ItemComment itemComment)
        {
            _itemComment = itemComment;
            _value = _itemComment.Value;
            _itemComment.IsCancelled = true;
        }

        #endregion

        #region Implementation of ViewModelBase

        public override object RevealModelObject()
        {
            return _itemComment;
        }

        #endregion

        #region Private methods

        void DoSave()
        {
            _itemComment.Value = Value;
            _itemComment.IsCancelled = false;
            DoCloseView();
        }

        #endregion

        #region Fields

        string _value;
        DelegatingCommand _saveCommand;
        ItemComment _itemComment;
        
        #endregion
    }
}