47 lines
1.5 KiB
C#
47 lines
1.5 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using TMPro;
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using UnityEngine;
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using UnityEngine.UI;
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public class ContextMenu : MonoBehaviour
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{
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public Canvas Canvas;
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public RectTransform OptionPrefab;
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public RectTransform ContentRoot;
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public float OptionHeight;
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public float PaddingHeight;
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private List<GameObject> _options = new List<GameObject>();
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public void SetOptions(IEnumerable<(string text, Action action)> options)
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{
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var rect = transform as RectTransform;
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var pivot = rect.pivot;
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pivot.x = Input.mousePosition.x > Screen.width - rect.sizeDelta.x * Canvas.scaleFactor ? 1 : 0;
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pivot.y = Input.mousePosition.y < (PaddingHeight + options.Count() * OptionHeight) * Canvas.scaleFactor ? 0 : 1;
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rect.pivot = pivot;
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rect.position = Input.mousePosition;
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// Destroy previous options
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foreach(var option in _options)
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Destroy(option);
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_options.Clear();
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foreach (var option in options)
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{
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var optionButton = Instantiate(OptionPrefab, ContentRoot);
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optionButton.GetComponentInChildren<TextMeshProUGUI>().text = option.text;
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optionButton.GetComponent<Button>().onClick.AddListener(() =>
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{
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option.action();
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gameObject.SetActive(false);
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});
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_options.Add(optionButton.gameObject);
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}
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}
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}
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