StationObscurum/Assets/Packages/Heat - Complete Modern UI/Scripts/UI Elements/Dropdown.cs
2024-02-01 22:45:59 -05:00

469 lines
17 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using TMPro;
namespace Michsky.UI.Heat
{
public class Dropdown : MonoBehaviour, IPointerClickHandler, IPointerEnterHandler, IPointerExitHandler, ISelectHandler, IDeselectHandler, ISubmitHandler
{
// Resources
public GameObject triggerObject;
public TextMeshProUGUI headerText;
public Image headerImage;
public Transform itemParent;
[SerializeField] private GameObject itemPreset;
public Scrollbar scrollbar;
public VerticalLayoutGroup itemList;
[SerializeField] private CanvasGroup highlightCG;
public CanvasGroup contentCG;
[SerializeField] private CanvasGroup listCG;
[SerializeField] private RectTransform listRect;
// Settings
public bool isInteractable = true;
public bool enableIcon = true;
public bool enableTrigger = true;
public bool enableScrollbar = true;
[SerializeField] private bool startAtBottom = false;
public bool setHighPriority = true;
public bool updateOnEnable = true;
public bool outOnPointerExit = false;
public bool invokeOnEnable = false;
public bool initOnEnable = true;
public bool useSounds = true;
[Range(1, 15)] public float fadingMultiplier = 8;
[Range(1, 50)] public int itemPaddingTop = 8;
[Range(1, 50)] public int itemPaddingBottom = 8;
[Range(1, 50)] public int itemPaddingLeft = 8;
[Range(1, 50)] public int itemPaddingRight = 25;
[Range(1, 50)] public int itemSpacing = 8;
public int selectedItemIndex = 0;
// UI Navigation
public bool useUINavigation = false;
public Navigation.Mode navigationMode = Navigation.Mode.Automatic;
public GameObject selectOnUp;
public GameObject selectOnDown;
public GameObject selectOnLeft;
public GameObject selectOnRight;
public bool wrapAround = false;
// Animation
public PanelDirection panelDirection;
[Range(25, 1000)] public float panelSize = 200;
[Range(0.5f, 10)] public float curveSpeed = 2;
public AnimationCurve animationCurve = new AnimationCurve(new Keyframe(0.0f, 0.0f), new Keyframe(1.0f, 1.0f));
// Saving
public bool saveSelected = false;
public string saveKey = "My Dropdown";
// Item list
[SerializeField]
public List<Item> items = new List<Item>();
// Events
[System.Serializable] public class DropdownEvent : UnityEvent<int> { }
public DropdownEvent onValueChanged;
// Helpers
[HideInInspector] public bool isOn;
[HideInInspector] public int index = 0;
[HideInInspector] public int siblingIndex = 0;
EventTrigger triggerEvent;
Button targetButton;
public enum PanelDirection { Bottom, Top }
[System.Serializable]
public class Item
{
public string itemName = "Dropdown Item";
public string localizationKey;
public Sprite itemIcon;
[HideInInspector] public int itemIndex;
[HideInInspector] public bool isInvisible = false;
[HideInInspector] public ButtonManager itemButton;
public UnityEvent onItemSelection = new UnityEvent();
}
void Awake()
{
if (initOnEnable) { Initialize(); }
if (useUINavigation) { AddUINavigation(); }
if (enableTrigger && triggerObject != null)
{
// triggerButton = gameObject.GetComponent<Button>();
triggerEvent = triggerObject.AddComponent<EventTrigger>();
EventTrigger.Entry entry = new EventTrigger.Entry();
entry.eventID = EventTriggerType.PointerClick;
entry.callback.AddListener((eventData) => { Animate(); });
triggerEvent.GetComponent<EventTrigger>().triggers.Add(entry);
}
if (highlightCG == null)
{
highlightCG = new GameObject().AddComponent<CanvasGroup>();
highlightCG.gameObject.AddComponent<RectTransform>();
highlightCG.transform.SetParent(transform);
highlightCG.gameObject.name = "Highlight";
}
if (gameObject.GetComponent<Image>() == null)
{
Image raycastImg = gameObject.AddComponent<Image>();
raycastImg.color = new Color(0, 0, 0, 0);
raycastImg.raycastTarget = true;
}
if (setHighPriority)
{
if (contentCG == null) { contentCG = transform.Find("Content/Item List").GetComponent<CanvasGroup>(); }
contentCG.alpha = 1;
Canvas tempCanvas = contentCG.gameObject.AddComponent<Canvas>();
tempCanvas.overrideSorting = true;
tempCanvas.sortingOrder = 30000;
contentCG.gameObject.AddComponent<GraphicRaycaster>();
}
}
void OnEnable()
{
if (listCG == null) { listCG = gameObject.GetComponentInChildren<CanvasGroup>(); }
if (listRect == null) { listRect = listCG.GetComponent<RectTransform>(); }
if (updateOnEnable && index < items.Count) { SetDropdownIndex(selectedItemIndex); }
if (contentCG != null) { contentCG.alpha = 1; }
if (UIManagerAudio.instance == null) { useSounds = false; }
listCG.alpha = 0;
listCG.interactable = false;
listCG.blocksRaycasts = false;
listRect.sizeDelta = new Vector2(listRect.sizeDelta.x, 0);
isOn = false;
}
public void Initialize()
{
if (items.Count == 0) { return; }
if (!enableScrollbar && scrollbar != null) { Destroy(scrollbar); }
if (itemList == null) { itemList = itemParent.GetComponent<VerticalLayoutGroup>(); }
UpdateItemLayout();
index = 0;
foreach (Transform child in itemParent) { Destroy(child.gameObject); }
for (int i = 0; i < items.Count; ++i)
{
GameObject go = Instantiate(itemPreset, new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
go.transform.SetParent(itemParent, false);
go.name = items[i].itemName;
ButtonManager goBtn = go.GetComponent<ButtonManager>();
goBtn.buttonText = items[i].itemName;
goBtn.bypassUpdateOnEnable = true;
items[i].itemButton = goBtn;
if (items[i].isInvisible)
{
go.SetActive(false);
continue;
}
LocalizedObject loc = goBtn.GetComponent<LocalizedObject>();
if (string.IsNullOrEmpty(items[i].localizationKey) && loc != null) { Destroy(loc); }
else if (!string.IsNullOrEmpty(items[i].localizationKey) && loc != null)
{
loc.localizationKey = items[i].localizationKey;
loc.onLanguageChanged.AddListener(delegate
{
goBtn.buttonText = loc.GetKeyOutput(loc.localizationKey);
goBtn.UpdateUI();
});
loc.InitializeItem();
loc.UpdateItem();
}
if (items[i].itemIcon == null) { goBtn.enableIcon = false; }
else { goBtn.enableIcon = true; goBtn.buttonIcon = items[i].itemIcon; }
goBtn.UpdateUI();
items[i].itemIndex = i;
Item mainItem = items[i];
goBtn.onClick.AddListener(Animate);
goBtn.onClick.AddListener(items[index = mainItem.itemIndex].onItemSelection.Invoke);
goBtn.onClick.AddListener(delegate
{
SetDropdownIndex(index = mainItem.itemIndex);
onValueChanged.Invoke(index = mainItem.itemIndex);
if (saveSelected) { PlayerPrefs.SetInt("Dropdown_" + saveKey, mainItem.itemIndex); }
});
}
if (headerImage != null && !enableIcon) { headerImage.gameObject.SetActive(false); }
else if (headerImage != null) { headerImage.sprite = items[selectedItemIndex].itemIcon; }
if (headerText != null) { headerText.text = items[selectedItemIndex].itemName; }
if (saveSelected)
{
if (invokeOnEnable) { items[PlayerPrefs.GetInt("Dropdown_" + saveKey)].onItemSelection.Invoke(); }
else { SetDropdownIndex(PlayerPrefs.GetInt("Dropdown_" + saveKey)); }
}
else if (invokeOnEnable) { items[selectedItemIndex].onItemSelection.Invoke(); }
}
public void SetDropdownIndex(int itemIndex)
{
selectedItemIndex = itemIndex;
if (headerText != null) { headerText.text = items[itemIndex].itemButton.buttonText; }
if (items[itemIndex].isInvisible) { return; }
if (headerImage != null && enableIcon && items[itemIndex].itemButton.enableIcon) { headerImage.gameObject.SetActive(true); headerImage.sprite = items[itemIndex].itemButton.buttonIcon; }
else if (headerImage != null && enableIcon && !items[itemIndex].itemButton.enableIcon) { headerImage.gameObject.SetActive(false); }
}
public void Animate()
{
if (!isOn)
{
if (enableScrollbar && scrollbar != null && startAtBottom)
{
scrollbar.value = 0;
}
isOn = true;
listCG.blocksRaycasts = true;
listCG.interactable = true;
listCG.gameObject.SetActive(true);
StopCoroutine("StartMinimize");
StopCoroutine("StartExpand");
StartCoroutine("StartExpand");
}
else if (isOn)
{
isOn = false;
listCG.blocksRaycasts = false;
listCG.interactable = false;
StopCoroutine("StartMinimize");
StopCoroutine("StartExpand");
StartCoroutine("StartMinimize");
}
if (enableTrigger && triggerObject != null && !isOn) { triggerObject.SetActive(false); }
else if (enableTrigger && triggerObject != null && isOn) { triggerObject.SetActive(true); }
if (enableTrigger && outOnPointerExit && triggerObject != null) { triggerObject.SetActive(false); }
}
public void AddUINavigation()
{
if (targetButton == null)
{
targetButton = gameObject.AddComponent<Button>();
targetButton.transition = Selectable.Transition.None;
}
Navigation customNav = new Navigation();
customNav.mode = navigationMode;
if (navigationMode == Navigation.Mode.Vertical || navigationMode == Navigation.Mode.Horizontal) { customNav.wrapAround = wrapAround; }
else if (navigationMode == Navigation.Mode.Explicit) { StartCoroutine("InitUINavigation", customNav); return; }
targetButton.navigation = customNav;
}
public void DisableUINavigation()
{
if (targetButton != null)
{
Navigation customNav = new Navigation();
Navigation.Mode navMode = Navigation.Mode.None;
customNav.mode = navMode;
targetButton.navigation = customNav;
}
}
public void Interactable(bool value)
{
isInteractable = value;
if (gameObject.activeInHierarchy == false) { return; }
StartCoroutine("SetNormal");
}
public void CreateNewItem(string title, Sprite icon, bool notify)
{
Item item = new Item();
item.itemName = title;
item.itemIcon = icon;
items.Add(item);
if (notify == true) { Initialize(); }
}
public void CreateNewItem(string title, bool notify)
{
Item item = new Item();
item.itemName = title;
items.Add(item);
if (notify == true) { Initialize(); }
}
public void CreateNewItem(string title)
{
Item item = new Item();
item.itemName = title;
items.Add(item);
Initialize();
}
public void RemoveItem(string itemTitle, bool notify)
{
var item = items.Find(x => x.itemName == itemTitle);
items.Remove(item);
if (notify == true) { Initialize(); }
}
public void RemoveItem(string itemTitle)
{
var item = items.Find(x => x.itemName == itemTitle);
items.Remove(item);
Initialize();
}
public void UpdateItemLayout()
{
if (itemList == null)
return;
itemList.spacing = itemSpacing;
itemList.padding.top = itemPaddingTop;
itemList.padding.bottom = itemPaddingBottom;
itemList.padding.left = itemPaddingLeft;
itemList.padding.right = itemPaddingRight;
}
public void OnPointerClick(PointerEventData eventData)
{
if (!isInteractable) { return; }
if (useSounds) { UIManagerAudio.instance.audioSource.PlayOneShot(UIManagerAudio.instance.UIManagerAsset.clickSound); }
Animate();
}
public void OnPointerEnter(PointerEventData eventData)
{
if (!isInteractable) { return; }
if (useSounds) { UIManagerAudio.instance.audioSource.PlayOneShot(UIManagerAudio.instance.UIManagerAsset.hoverSound); }
StartCoroutine("SetHighlight");
}
public void OnPointerExit(PointerEventData eventData)
{
if (!isInteractable) { return; }
if (outOnPointerExit && isOn) { Animate(); }
StartCoroutine("SetNormal");
}
public void OnSelect(BaseEventData eventData)
{
if (!isInteractable) { return; }
if (useSounds) { UIManagerAudio.instance.audioSource.PlayOneShot(UIManagerAudio.instance.UIManagerAsset.hoverSound); }
StartCoroutine("SetHighlight");
}
public void OnDeselect(BaseEventData eventData)
{
if (!isInteractable)
return;
StartCoroutine("SetNormal");
}
public void OnSubmit(BaseEventData eventData)
{
if (!isInteractable) { return; }
if (useSounds) { UIManagerAudio.instance.audioSource.PlayOneShot(UIManagerAudio.instance.UIManagerAsset.clickSound); }
if (EventSystem.current.currentSelectedGameObject != gameObject) { StartCoroutine("SetNormal"); }
}
IEnumerator StartExpand()
{
float elapsedTime = 0;
Vector2 startPos = listRect.sizeDelta;
Vector2 endPos = new Vector2(listRect.sizeDelta.x, panelSize);
while (listRect.sizeDelta.y <= panelSize - 0.1f)
{
elapsedTime += Time.unscaledDeltaTime;
listCG.alpha += Time.unscaledDeltaTime * (curveSpeed * 2);
listRect.sizeDelta = Vector2.Lerp(startPos, endPos, animationCurve.Evaluate(elapsedTime * curveSpeed));
yield return null;
}
listCG.alpha = 1;
listRect.sizeDelta = endPos;
}
IEnumerator StartMinimize()
{
float elapsedTime = 0;
Vector2 startPos = listRect.sizeDelta;
Vector2 endPos = new Vector2(listRect.sizeDelta.x, 0);
while (listRect.sizeDelta.y >= 0.1f)
{
elapsedTime += Time.unscaledDeltaTime;
listCG.alpha -= Time.unscaledDeltaTime * (curveSpeed * 2);
listRect.sizeDelta = Vector2.Lerp(startPos, endPos, animationCurve.Evaluate(elapsedTime * curveSpeed));
yield return null;
}
listCG.alpha = 0;
listRect.sizeDelta = endPos;
listCG.gameObject.SetActive(false);
}
IEnumerator SetNormal()
{
StopCoroutine("SetHighlight");
while (highlightCG.alpha > 0.01f)
{
highlightCG.alpha -= Time.unscaledDeltaTime * fadingMultiplier;
yield return null;
}
highlightCG.alpha = 0;
}
IEnumerator SetHighlight()
{
StopCoroutine("SetNormal");
while (highlightCG.alpha < 0.99f)
{
highlightCG.alpha += Time.unscaledDeltaTime * fadingMultiplier;
yield return null;
}
highlightCG.alpha = 1;
}
}
}