MARKUS

using System.ComponentModel;

using System.Windows;

using System.Windows.Input;

namespace Markus.Mvvm.ToolKit

{

    public abstract class ViewModelBase : NotifyExpectation

    {

        public bool IsDesignMode

        {

            get

            {

                return DesignerProperties.GetIsInDesignMode(new DependencyObject());

            }

            private set { }

        }

        #region ViewModel Base Binding

        ViewModelBase viewModel;

        public ViewModelBase ViewModel

        {

            get { return viewModel; }

            set { viewModel = value; }

        }

        public string Name

        {

            get { return ViewModel?.Name; }

            set

            {

                if (ViewModel?.Name != value)

                {

                    ViewModel.Name = value;

                    OnPropertyChanged(()=>Name);

                }

            }

        }

        private bool isAcitve;

        public bool IsAcitve

        {

            get { return isAcitve; }

            set

            {

                if (isAcitve != value)

                {

                    isAcitve = value;

                    OnPropertyChanged(() => isAcitve);

                }

            }

        }

        #endregion

        #region Command

        private ICommand _ClosingCommand;

        public ICommand ClosingCommand

        {

            get => _ClosingCommand ?? (_ClosingCommand = new RelayCommand(param => this.Closed()));

        }

        private ICommand _LoadedCommand;

        public ICommand LoadedCommand

        {

            get => _LoadedCommand ?? (_LoadedCommand = new RelayCommand(param => this.Loaded()));

        }

        #endregion Command

        public virtual void Closed()

        {

            isAcitve = false;

        }

        public virtual void Loaded()

        {

            isAcitve = true;

        }

    }

}