using Microsoft.Xaml.Behaviors;
using System.Windows;
using System.Windows.Input;

namespace ECMonitor.MVVM
{
	public class ExtendEventCommand : TriggerAction<DependencyObject>
	{
		/// <summary>
		/// 事件要绑定的命令
		/// </summary>
		public ICommand Command
		{
			get { return (ICommand)GetValue(CommandProperty); }
			set { SetValue(CommandProperty, value); }
		}

		// Using a DependencyProperty as the backing store for MsgName.  This enables animation, styling, binding, etc...
		public static readonly DependencyProperty CommandProperty =
			DependencyProperty.Register("Command", typeof(ICommand), typeof(ExtendEventCommand), new PropertyMetadata(null));

		/// <summary>
		/// 绑定命令的参数，保持为空就是事件的参数
		/// </summary>
		public object CommandParateter
		{
			get { return (object)GetValue(CommandParateterProperty); }
			set { SetValue(CommandParateterProperty, value); }
		}

		// Using a DependencyProperty as the backing store for CommandParateter.  This enables animation, styling, binding, etc...
		public static readonly DependencyProperty CommandParateterProperty =
			DependencyProperty.Register("CommandParateter", typeof(object), typeof(ExtendEventCommand), new PropertyMetadata(null));

		//执行事件
		protected override void Invoke(object parameter)
		{
			if (CommandParateter != null)
				parameter = CommandParateter;
			var cmd = Command;
			if (cmd != null)
				cmd.Execute(parameter);
		}
	}
}