using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows.Controls;
using WPFProject.Models;

namespace WPFProject.UI.Test
{
    /// <summary>
    /// ProgramList.xaml 的交互逻辑
    /// </summary>
    public partial class ProgramList : UserControl, INotifyPropertyChanged
    {
        public virtual event PropertyChangedEventHandler PropertyChanged;

        protected virtual void RaisePropertyChanged(string name)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
        }

        protected void RaiseAndSetIfChanged<T>(ref T old, T @new, [CallerMemberName] string propertyName = null)
        {
            old = @new;
            if (propertyName != null)
            {
                RaisePropertyChanged(propertyName);
            }
        }


        private ObservableCollection<Program> _Programs = new ObservableCollection<Program> {

            new Program{ Name="123",
            Sequences = new ObservableCollection<Sequence>
            {
                new Sequence{ 
                    Name="S123"
                },
                new Sequence
                {
                    Name="S223"
                }
            }
            },
            new Program{ Name="223",

             Sequences = new ObservableCollection<Sequence>
            {
                new Sequence{
                    Name="D123"
                },
                new Sequence
                {
                    Name="D223"
                }
            }
            }
        };
        public ObservableCollection<Program> Programs
        {
            get { return _Programs; }
            set => RaiseAndSetIfChanged(ref _Programs, value);
        }

        public ProgramList()
        {
            DataContext = this;
            InitializeComponent();
        }

        public event EventHandler<Program> ProgramChanged;

        private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            ProgramChanged?.Invoke(this, e.AddedItems[0] as Program);
        }
    }
}