using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class DragNode : MonoBehaviour
{
    public Text uiName;
    private RectTransform rectTransform;
    public float border;
    public float minWidth;

    private RectTransform canvasRect;
    private Vector2 localPos;
    private Vector2 offSet;
    public SecondNodeObject SecondNodeObjectObj;
    private void Awake()
    {
        canvasRect = transform.parent.GetComponent<RectTransform>();
        rectTransform = GetComponent<RectTransform>();
        offSet = new Vector2(20f, -20f);
    }
    // Start is called before the first frame update
    void Start()
    {

    }
    public void SetinfoWhileBeginDrag(SecondNodeObject info)
    {
        SecondNodeObjectObj = (SecondNodeObject)info.DeepCopy();
    }
    // Update is called once per frame
    void Update()
    {

    }
    public void SetUI(string text)
    {
        uiName.text = text;
        if (uiName.preferredWidth < minWidth)
        {
            rectTransform.sizeDelta = new Vector2(minWidth, rectTransform.sizeDelta.y);
        }
        else
        {
            rectTransform.sizeDelta = new Vector2(uiName.preferredWidth + border, rectTransform.sizeDelta.y);
        }
    }
    public void BeginDrag(PointerEventData eventData)
    {
        if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRect, eventData.position, eventData.enterEventCamera, out localPos))
        {
            rectTransform.localPosition = localPos + offSet;
        }
    }

    public void Drag(PointerEventData eventData)
    {
        if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRect, eventData.position, eventData.enterEventCamera, out localPos))
        {
            rectTransform.localPosition = localPos + offSet;
        }
    }
}