using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;

namespace UAS_Web.tool
{
    class CustomCommand : ICommand
    {
        Action _TargetExecuteMethod;
        Func<bool> _TargetCanExecuteMethod;
        public event EventHandler CanExecuteChanged = delegate { };

        public CustomCommand(Action executeMethod)
        {
            _TargetExecuteMethod = executeMethod;
        }

        bool ICommand.CanExecute(object parameter)
        {
            if (_TargetCanExecuteMethod != null)
            {
                return _TargetCanExecuteMethod();
            }
            if (_TargetExecuteMethod != null)
            {
                return true;
            }
            return false;
        }

        public void RaiseCanExecuteChanged()
        {
            CanExecuteChanged(this, EventArgs.Empty);
        }

        void ICommand.Execute(object parameter)
        {
            _TargetExecuteMethod?.Invoke();
        }
    }
}