using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
/// <summary>
/// 获取待命车辆数
/// </summary>
public class WaitingTrucksCount : MonoBehaviour {
    private List<TruckMessage> waitingTrucks = new List<TruckMessage>();
    //public static event Func<IntData,List<TruckMessage>,IntData> getWaitingTrucks;
    public static event Func<List<TruckMessage>, List<TruckMessage>> getWaitingTrucks;
    public Transform content;
    public GameObject itemPre;
    private void Awake()
    {
        if (content == null)
        {
            content = transform.Find("Scroll View/Viewport/Content");
        }        
        if (itemPre == null)
        {
            itemPre = Resources.Load("ExternalForce/WaitingTruckItem") as GameObject;
        }
    }
    private void OnEnable()
    {
        //IntData data = new IntData(0);
        waitingTrucks.Clear();
        if(getWaitingTrucks != null)
        {
            waitingTrucks = getWaitingTrucks(waitingTrucks);
        }
        GetComponent<Text>().text = waitingTrucks.Count.ToString();
        foreach(Transform trans in content)
        {
            Destroy(trans.gameObject);
        }        
        foreach(TruckMessage msg in waitingTrucks)
        {
            GameObject item = Instantiate(itemPre, content);
            item.GetComponent<WaitingTruckItem>().Set(msg);
        }
    }
}