cards-simulator/unity/Assets/Scripts/Popup.cs

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

public enum PopupType {
    Alert,
    Prompt
}

public class Popup : MonoBehaviour {
    public static Action<object, GameObject> OnPopupClosed;
    public void Close() {
        OnPopupClosed(null, gameObject);
        DestroyImmediate(gameObject);
    }
    public void CloseWithBool(bool value) {
        OnPopupClosed(value, gameObject);
        DestroyImmediate(gameObject);
    }
    public void CloseWithString(string value) {
        OnPopupClosed(value, gameObject);
        DestroyImmediate(gameObject);
    }
    public void CloseWithGameObject(GameObject value) {
        OnPopupClosed(value, gameObject);
        DestroyImmediate(gameObject);
    }

    public static void Open(PopupType type, Transform ui, string id, params object[] args) {
        var popup = Instantiate(Resources.Load("Popup"), Vector2.zero, Quaternion.identity, ui) as GameObject;
        popup.transform.localPosition = Vector2.zero;
        if (type == PopupType.Alert) {
            for (int i = 1; i < popup.transform.childCount; i++) {
                var child = popup.transform.GetChild(i);
                child.gameObject.SetActive(child.name == "Alert");
            }
            var alert = popup.transform.Find("Alert");
            alert.transform.Find("Title").GetComponent<Text>().text = (string)args[0];
            alert.transform.Find("Content").GetComponent<Text>().text = (string)args[1];
        }else if (type == PopupType.Prompt) {
            for (int i = 1; i < popup.transform.childCount; i++) {
                var child = popup.transform.GetChild(i);
                child.gameObject.SetActive(child.name == "Prompt");
            }
            var prompt = popup.transform.Find("Prompt");
            popup.GetComponent<RectTransform>().sizeDelta = prompt.GetComponent<RectTransform>().sizeDelta;
            prompt.transform.Find("Title").GetComponent<Text>().text = (string)args[0];
            prompt.transform.Find("Input").GetComponentsInChildren<Text>()[0].text = (string)args[1];
        }
        popup.name = id;
    }
}