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

public class Scrollable : MonoBehaviour {
    public int ignoreElements = 0;
    public bool horizontal = false;
    void Start() {
        Reload();
    }
    
    public void Reload() {
        var size = 0f;
        if (horizontal) {
            size = (transform.childCount - ignoreElements) * ((transform.GetChild(0).GetComponent<RectTransform>().sizeDelta.x * transform.GetChild(0).localScale.x) + GetComponent<HorizontalLayoutGroup>().spacing);
        } else {
            size = (transform.childCount - ignoreElements) * (transform.GetChild(0).GetComponent<RectTransform>().sizeDelta.y + GetComponent<VerticalLayoutGroup>().spacing);
        }
        if (horizontal) {
            GetComponent<RectTransform>().offsetMin = Vector2.zero;
        }else {
            GetComponent<RectTransform>().offsetMax = Vector2.zero;
        }
        if (horizontal) {
            GetComponent<RectTransform>().offsetMax = new Vector2(-(transform.parent.GetComponent<RectTransform>().sizeDelta.x > size ? 0 : -size + transform.parent.GetComponent<RectTransform>().sizeDelta.x + GetComponent<HorizontalLayoutGroup>().spacing), GetComponent<RectTransform>().offsetMax.y);
        } else {
            GetComponent<RectTransform>().offsetMin = new Vector2(GetComponent<RectTransform>().offsetMin.x, transform.parent.GetComponent<RectTransform>().sizeDelta.y > size ? 0 : -size + transform.parent.GetComponent<RectTransform>().sizeDelta.y + GetComponent<VerticalLayoutGroup>().spacing);
        }
    }

    void Update() {}
}