/* ElementViewModel.cs
 * part of zaaReloaded2
 * 
 * Copyright 2015-2017 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.Diagnostics;
using System.Linq;
using System.Text;
using Bovender.Mvvm.ViewModels;
using zaaReloaded2.Controller.Elements;
using System.Collections.ObjectModel;

namespace zaaReloaded2.ViewModels
{
    public abstract class ElementViewModel : ViewModelBase, ICloneable
    {
        #region Properties

        /// <summary>
        /// Returns the wrapped Element's label or an explicitly
        /// set display string.
        /// </summary>
        public override string DisplayString
        {
            get { return Element.Label;  }
        }

        public abstract string ToolTip { get;  }

        public bool IsExpanded
        {
            get { return _isExpanded; }
            set
            {
                _isExpanded = value;
                OnPropertyChanged("IsExpanded");
            }
        }

        #endregion

        #region Constructors

        public ElementViewModel() { }

        public ElementViewModel(ElementBase element)
        {
            Element = element;
        }

        #endregion

        #region Protected properties

        protected ElementBase Element { get; set; }

        #endregion

        #region Implementation of ViewModelBase

        public override object RevealModelObject()
        {
            return Element;
        }

        #endregion

        #region Implementation of ICloneable
        
        public abstract object Clone();

        #endregion

        #region Fields

        bool _isExpanded;

        #endregion
    }
}