基础内容

必要插件安装
缓动曲线和动画基础
ElementFolder，Track与其次级模块，PathNode重构

Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdown.cs

@@ -0,0 +1,380 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using TMPro;
+
+namespace Michsky.MUIP
+{
+    public class CustomDropdown : MonoBehaviour, IPointerExitHandler, IPointerEnterHandler, IPointerClickHandler, ISubmitHandler
+    {
+        // Resources
+        public Animator dropdownAnimator;
+        public GameObject triggerObject;
+        public TextMeshProUGUI selectedText;
+        public Image selectedImage;
+        public Transform itemParent;
+        public GameObject itemObject;
+        public GameObject scrollbar;
+        public VerticalLayoutGroup itemList;
+        public AudioSource soundSource;
+        public RectTransform listRect;
+        public CanvasGroup listCG;
+        public CanvasGroup contentCG;
+
+        // Settings
+        public bool isInteractable = true;
+        public bool enableIcon = true;
+        public bool enableTrigger = true;
+        public bool enableScrollbar = true;
+        public bool updateOnEnable = true;
+        public bool outOnPointerExit = false;
+        public bool setHighPriority = true;
+        public bool invokeAtStart = false;
+        public bool initAtStart = true;
+        public bool enableDropdownSounds = false;
+        public bool useHoverSound = true;
+        public bool useClickSound = true;
+        [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;
+
+        // Animation
+        public AnimationType animationType;
+        public PanelDirection panelDirection;
+        [Range(25, 1000)] public float panelSize = 200;
+        [Range(0.5f, 10)] public float curveSpeed = 3;
+        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 = new DropdownEvent();
+        [System.Serializable] public class ItemTextChangedEvent : UnityEvent<TMP_Text> { }
+        public ItemTextChangedEvent onItemTextChanged = new ItemTextChangedEvent();
+
+        // Audio
+        public AudioClip hoverSound;
+        public AudioClip clickSound;
+
+        // Helpers
+        bool isInitialized = false;
+        [HideInInspector] public bool isOn;
+        [HideInInspector] public int index = 0;
+        [HideInInspector] public int siblingIndex = 0;
+        [HideInInspector] public TextMeshProUGUI setItemText;
+        [HideInInspector] public Image setItemImage;
+        EventTrigger triggerEvent;
+        Sprite imageHelper;
+        string textHelper;
+
+#if UNITY_EDITOR
+        public bool extendEvents = false;
+#endif
+
+        public enum AnimationType { Modular, Custom }
+        public enum PanelDirection { Bottom, Top }
+
+        [System.Serializable]
+        public class Item
+        {
+            public string itemName = "Dropdown Item";
+            public Sprite itemIcon;
+            [HideInInspector] public int itemIndex;
+            public UnityEvent OnItemSelection = new UnityEvent();
+        }
+
+        void OnEnable()
+        {
+            if (!isInitialized) { Initialize(); }
+            if (updateOnEnable && index < items.Count) { SetDropdownIndex(selectedItemIndex, false); }
+
+            listCG.alpha = 0;
+            listCG.interactable = false;
+            listCG.blocksRaycasts = false;
+            listRect.sizeDelta = new Vector2(listRect.sizeDelta.x, 0);
+        }
+
+        void Initialize()
+        {
+            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 (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>();
+            }
+
+            dropdownAnimator = gameObject.GetComponent<Animator>();
+
+            if (listCG == null) { listCG = gameObject.GetComponentInChildren<CanvasGroup>(); }
+            if (listRect == null) { listRect = listCG.GetComponent<RectTransform>(); }
+            if (initAtStart && items.Count != 0) { SetupDropdown(); }
+            if (animationType == AnimationType.Modular && dropdownAnimator != null) { Destroy(dropdownAnimator); }
+
+            isInitialized = true;
+        }
+
+        public void SetupDropdown()
+        {
+            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(itemObject, new Vector3(0, 0, 0), Quaternion.identity);
+                go.transform.SetParent(itemParent, false);
+                go.name = items[i].itemName;
+
+                setItemText = go.GetComponentInChildren<TextMeshProUGUI>();
+                textHelper = items[i].itemName;
+                setItemText.text = textHelper;
+
+                onItemTextChanged?.Invoke(setItemText);
+
+                Transform goImage = go.gameObject.transform.Find("Icon");
+                setItemImage = goImage.GetComponent<Image>();
+
+                if (items[i].itemIcon == null) { setItemImage.gameObject.SetActive(false); }
+                else { imageHelper = items[i].itemIcon; setItemImage.sprite = imageHelper; }
+              
+                items[i].itemIndex = i;
+                Item mainItem = items[i];
+
+                Button itemButton = go.GetComponent<Button>();
+                itemButton.onClick.AddListener(Animate);
+                itemButton.onClick.AddListener(items[i].OnItemSelection.Invoke);
+                itemButton.onClick.AddListener(delegate
+                {
+                    SetDropdownIndex(index = mainItem.itemIndex);
+                    onValueChanged.Invoke(index = mainItem.itemIndex);
+                    if (saveSelected) { PlayerPrefs.SetInt("Dropdown_" + saveKey, mainItem.itemIndex); }
+                });
+            }
+
+            if (selectedImage != null && !enableIcon) { selectedImage.gameObject.SetActive(false); }
+            else if (selectedImage != null) { selectedImage.sprite = items[selectedItemIndex].itemIcon; }
+            if (selectedText != null) { selectedText.text = items[selectedItemIndex].itemName; onItemTextChanged?.Invoke(selectedText); }
+          
+            if (saveSelected)
+            {
+                if (invokeAtStart) { items[PlayerPrefs.GetInt("Dropdown_" + saveKey)].OnItemSelection.Invoke(); }
+                else { SetDropdownIndex(PlayerPrefs.GetInt("Dropdown_" + saveKey), false); }
+            }
+            else if (invokeAtStart) { items[selectedItemIndex].OnItemSelection.Invoke(); }
+        }
+
+        // Obsolete
+        public void ChangeDropdownInfo(int itemIndex)
+        { 
+            SetDropdownIndex(itemIndex); 
+        }
+
+        public void SetDropdownIndex(int itemIndex)
+        {
+            SetDropdownIndex(itemIndex, true);
+        }
+
+        public void SetDropdownIndex(int itemIndex, bool bypassSound = false)
+        {
+            if (selectedImage != null && enableIcon && items[itemIndex].itemIcon != null) { selectedImage.gameObject.SetActive(true); selectedImage.sprite = items[itemIndex].itemIcon; }
+            else if (selectedImage != null && enableIcon && items[itemIndex].itemIcon == null) { selectedImage.gameObject.SetActive(false); }
+            if (selectedText != null) { selectedText.text = items[itemIndex].itemName; onItemTextChanged?.Invoke(selectedText); }
+            if (!bypassSound && enableDropdownSounds && useClickSound) { soundSource.PlayOneShot(clickSound); }
+
+            selectedItemIndex = itemIndex;
+        }
+
+        public void Animate()
+        {
+            if (!isOn && animationType == AnimationType.Modular)
+            {
+                isOn = true;
+                listCG.blocksRaycasts = true;
+                listCG.interactable = true;
+                listCG.gameObject.SetActive(true);
+
+                StopCoroutine("StartMinimize");
+                StopCoroutine("StartExpand");
+                StartCoroutine("StartExpand");
+            }
+
+            else if (isOn && animationType == AnimationType.Modular)
+            {
+                isOn = false;
+                listCG.blocksRaycasts = false;
+                listCG.interactable = false;
+
+                StopCoroutine("StartMinimize");
+                StopCoroutine("StartExpand");
+                StartCoroutine("StartMinimize");
+            }
+
+            else if (!isOn && animationType == AnimationType.Custom)
+            {   
+                dropdownAnimator.Play("Stylish In");
+                isOn = true;
+            }
+
+            else if (isOn && animationType == AnimationType.Custom)
+            {
+                dropdownAnimator.Play("Stylish Out");
+                isOn = false;
+            }
+
+            if (enableTrigger && !isOn) { triggerObject.SetActive(false); }
+            else if (enableTrigger && isOn) { triggerObject.SetActive(true); }
+            if (enableTrigger && outOnPointerExit) { triggerObject.SetActive(false); }
+        }
+
+        public void Interactable(bool value)
+        {
+            isInteractable = value;
+        }
+
+        public void CreateNewItem(string title, Sprite icon, bool notify = false)
+        {
+            Item item = new Item
+            {
+                itemName = title,
+                itemIcon = icon
+            };
+            items.Add(item);
+
+            if (selectedItemIndex > items.Count) { selectedItemIndex = 0; }
+            if (notify) { SetupDropdown(); }
+        }
+
+        public void CreateNewItem(string title, bool notify = false)
+        {
+            Item item = new Item
+            {
+                itemName = title
+            };
+            items.Add(item);
+
+            if (selectedItemIndex > items.Count) { selectedItemIndex = 0; }
+            if (notify) { SetupDropdown(); }
+        }
+
+        public void RemoveItem(string itemTitle, bool notify = false)
+        {
+            var item = items.Find(x => x.itemName == itemTitle);
+            items.Remove(item);
+
+            if (selectedItemIndex > items.Count) { selectedItemIndex = 0; }
+            if (notify) { SetupDropdown(); }
+        }
+
+        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 (enableDropdownSounds && useClickSound) { soundSource.PlayOneShot(clickSound); }
+            
+            Animate();
+        }
+
+        public void OnPointerEnter(PointerEventData eventData)
+        {
+            if (!isInteractable) { return; }
+            if (enableDropdownSounds && useHoverSound) { soundSource.PlayOneShot(hoverSound); }
+        }
+
+        public void OnPointerExit(PointerEventData eventData)
+        {
+            if (!isInteractable) { return; }
+            if (outOnPointerExit && isOn) { Animate(); isOn = false; }
+        }
+
+        public void OnSubmit(BaseEventData eventData)
+        {
+            if (!isInteractable) { return; }
+            if (enableDropdownSounds && useClickSound) { soundSource.PlayOneShot(clickSound); }
+
+            Animate();
+        }
+
+        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);
+        }
+    }
+}

Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdown.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: e3c6e5718ae5e9246af72590402986a6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {fileID: 2800000, guid: 0a39a4452fd810640afd1be6e700edee, type: 3}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 201717
+  packageName: Modern UI Pack
+  packageVersion: 5.5.19
+  assetPath: Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdown.cs
+  uploadId: 628721

Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdownEditor.cs

@@ -0,0 +1,321 @@
+#if UNITY_EDITOR
+using UnityEngine;
+using UnityEditor;
+
+namespace Michsky.MUIP
+{
+    [CustomEditor(typeof(CustomDropdown))]
+    public class CustomDropdownEditor : Editor
+    {
+        private GUISkin customSkin;
+        private CustomDropdown dTarget;
+        private UIManagerDropdown tempUIM;
+        private int currentTab;
+
+        private void OnEnable()
+        {
+            dTarget = (CustomDropdown)target;
+
+            try { tempUIM = dTarget.GetComponent<UIManagerDropdown>(); }
+            catch { }
+
+            if (EditorGUIUtility.isProSkin == true) { customSkin = MUIPEditorHandler.GetDarkEditor(customSkin); }
+            else { customSkin = MUIPEditorHandler.GetLightEditor(customSkin); }
+
+            if (dTarget.selectedItemIndex > dTarget.items.Count - 1) { dTarget.selectedItemIndex = 0; }
+        }
+
+        public override void OnInspectorGUI()
+        {
+            MUIPEditorHandler.DrawComponentHeader(customSkin, "Dropdown Top Header");
+
+            GUIContent[] toolbarTabs = new GUIContent[3];
+            toolbarTabs[0] = new GUIContent("Content");
+            toolbarTabs[1] = new GUIContent("Resources");
+            toolbarTabs[2] = new GUIContent("Settings");
+
+            currentTab = MUIPEditorHandler.DrawTabs(currentTab, toolbarTabs, customSkin);
+
+            if (GUILayout.Button(new GUIContent("Content", "Content"), customSkin.FindStyle("Tab Content")))
+                currentTab = 0;
+            if (GUILayout.Button(new GUIContent("Resources", "Resources"), customSkin.FindStyle("Tab Resources")))
+                currentTab = 1;
+            if (GUILayout.Button(new GUIContent("Settings", "Settings"), customSkin.FindStyle("Tab Settings")))
+                currentTab = 2;
+
+            GUILayout.EndHorizontal();
+
+            var items = serializedObject.FindProperty("items");
+            var onValueChanged = serializedObject.FindProperty("onValueChanged");
+            var onItemTextChanged = serializedObject.FindProperty("onItemTextChanged");
+
+            var triggerObject = serializedObject.FindProperty("triggerObject");
+            var selectedText = serializedObject.FindProperty("selectedText");
+            var selectedImage = serializedObject.FindProperty("selectedImage");
+            var itemParent = serializedObject.FindProperty("itemParent");
+            var itemObject = serializedObject.FindProperty("itemObject");
+            var scrollbar = serializedObject.FindProperty("scrollbar");
+            var listParent = serializedObject.FindProperty("listParent");
+            var listRect = serializedObject.FindProperty("listRect");
+            var listCG = serializedObject.FindProperty("listCG");
+
+            var animationType = serializedObject.FindProperty("animationType");
+            var panelDirection = serializedObject.FindProperty("panelDirection");
+            var panelSize = serializedObject.FindProperty("panelSize");
+            var curveSpeed = serializedObject.FindProperty("curveSpeed");
+            var animationCurve = serializedObject.FindProperty("animationCurve");
+
+            var saveSelected = serializedObject.FindProperty("saveSelected");
+            var saveKey = serializedObject.FindProperty("saveKey");
+            var enableIcon = serializedObject.FindProperty("enableIcon");
+            var enableTrigger = serializedObject.FindProperty("enableTrigger");
+            var enableScrollbar = serializedObject.FindProperty("enableScrollbar");
+            var outOnPointerExit = serializedObject.FindProperty("outOnPointerExit");
+            var setHighPriority = serializedObject.FindProperty("setHighPriority");
+            var invokeAtStart = serializedObject.FindProperty("invokeAtStart");
+            var initAtStart = serializedObject.FindProperty("initAtStart");
+            var selectedItemIndex = serializedObject.FindProperty("selectedItemIndex");
+            var enableDropdownSounds = serializedObject.FindProperty("enableDropdownSounds");
+            var useHoverSound = serializedObject.FindProperty("useHoverSound");
+            var useClickSound = serializedObject.FindProperty("useClickSound");
+            var hoverSound = serializedObject.FindProperty("hoverSound");
+            var clickSound = serializedObject.FindProperty("clickSound");
+            var soundSource = serializedObject.FindProperty("soundSource");
+            var itemSpacing = serializedObject.FindProperty("itemSpacing");
+            var itemPaddingLeft = serializedObject.FindProperty("itemPaddingLeft");
+            var itemPaddingRight = serializedObject.FindProperty("itemPaddingRight");
+            var itemPaddingTop = serializedObject.FindProperty("itemPaddingTop");
+            var itemPaddingBottom = serializedObject.FindProperty("itemPaddingBottom");
+            var extendEvents = serializedObject.FindProperty("extendEvents");
+
+            switch (currentTab)
+            {
+                case 0:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Content Header", 6);
+
+                    if (Application.isPlaying == false && dTarget.items.Count != 0)
+                    {
+                        GUILayout.BeginVertical(EditorStyles.helpBox);
+                        GUILayout.BeginHorizontal();
+
+                        GUI.enabled = false;
+                        EditorGUILayout.LabelField(new GUIContent("Selected Item:"), customSkin.FindStyle("Text"), GUILayout.Width(82));
+                        GUI.enabled = true;
+
+                        EditorGUILayout.LabelField(new GUIContent(dTarget.items[selectedItemIndex.intValue].itemName), customSkin.FindStyle("Text"));
+
+                        GUILayout.EndHorizontal();
+                        GUILayout.Space(2);
+
+                        selectedItemIndex.intValue = EditorGUILayout.IntSlider(selectedItemIndex.intValue, 0, dTarget.items.Count - 1);
+
+                        GUILayout.EndVertical();
+                    }
+
+                    else if (Application.isPlaying == true && dTarget.items.Count != 0)
+                    {
+                        GUILayout.BeginVertical(EditorStyles.helpBox);
+                        GUILayout.BeginHorizontal();
+                        GUI.enabled = false;
+
+                        EditorGUILayout.LabelField(new GUIContent("Current Item:"), customSkin.FindStyle("Text"), GUILayout.Width(74));
+                        EditorGUILayout.LabelField(new GUIContent(dTarget.items[dTarget.selectedItemIndex].itemName), customSkin.FindStyle("Text"));
+
+                        GUILayout.EndHorizontal();
+                        GUILayout.Space(2);
+
+                        EditorGUILayout.IntSlider(dTarget.index, 0, dTarget.items.Count - 1);
+
+                        GUI.enabled = true;
+                        GUILayout.EndVertical();
+                    }
+
+                    else { EditorGUILayout.HelpBox("There is no item in the list.", MessageType.Warning); }
+
+                    GUILayout.BeginVertical();
+                    EditorGUI.indentLevel = 1;
+                    EditorGUILayout.PropertyField(items, new GUIContent("Dropdown Items"), true);          
+                    EditorGUI.indentLevel = 0;
+                    GUILayout.EndVertical();
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "Events Header", 10);
+                    EditorGUILayout.PropertyField(onValueChanged, new GUIContent("On Value Changed"), true);
+
+                    if (extendEvents.boolValue == true)
+                    {
+                        EditorGUILayout.PropertyField(onItemTextChanged, new GUIContent("On Item Text Changed"), true);
+                    }
+                    break;
+
+                case 1:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Core Header", 6);
+                    MUIPEditorHandler.DrawProperty(triggerObject, customSkin, "Trigger Object");
+                    MUIPEditorHandler.DrawProperty(selectedText, customSkin, "Selected Text");
+                    MUIPEditorHandler.DrawProperty(selectedImage, customSkin, "Selected Image");
+                    MUIPEditorHandler.DrawProperty(itemObject, customSkin, "Item Prefab");
+                    MUIPEditorHandler.DrawProperty(itemParent, customSkin, "Item Parent");
+                    MUIPEditorHandler.DrawProperty(scrollbar, customSkin, "Scrollbar");
+
+                    if (dTarget.animationType == CustomDropdown.AnimationType.Modular)
+                    {
+                        MUIPEditorHandler.DrawProperty(listRect, customSkin, "List Rect");
+                        MUIPEditorHandler.DrawProperty(listCG, customSkin, "List Canvas Group");
+                    }
+
+                    break;
+
+                case 2:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Customization Header", 6);
+                    enableIcon.boolValue = MUIPEditorHandler.DrawToggle(enableIcon.boolValue, customSkin, "Enable Header Icon");
+                    enableScrollbar.boolValue = MUIPEditorHandler.DrawToggle(enableScrollbar.boolValue, customSkin, "Enable Scrollbar");
+                    extendEvents.boolValue = MUIPEditorHandler.DrawToggle(extendEvents.boolValue, customSkin, "Extend Events");
+                    MUIPEditorHandler.DrawPropertyCW(itemSpacing, customSkin, "Item Spacing", 90);
+
+                    GUILayout.BeginVertical(EditorStyles.helpBox);
+                    GUILayout.BeginHorizontal();
+                    EditorGUILayout.LabelField(new GUIContent("Item Padding"), customSkin.FindStyle("Text"), GUILayout.Width(90));
+                    GUILayout.EndHorizontal();
+                    EditorGUI.indentLevel = 1;
+
+                    EditorGUILayout.PropertyField(itemPaddingTop, new GUIContent("Top"));
+                    EditorGUILayout.PropertyField(itemPaddingBottom, new GUIContent("Bottom"));
+                    EditorGUILayout.PropertyField(itemPaddingLeft, new GUIContent("Left"));
+                    EditorGUILayout.PropertyField(itemPaddingRight, new GUIContent("Right"));
+                    
+                    EditorGUI.indentLevel = 0;
+                    GUILayout.EndVertical();
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "Animation Header", 10);
+                    MUIPEditorHandler.DrawProperty(animationType, customSkin, "Animation Type");
+
+                    if (dTarget.animationType == CustomDropdown.AnimationType.Modular)
+                    {
+                        // MUIPEditorHandler.DrawProperty(panelDirection, customSkin, "Panel Direction");
+                        MUIPEditorHandler.DrawProperty(panelSize, customSkin, "Panel Size");
+                        MUIPEditorHandler.DrawProperty(curveSpeed, customSkin, "Curve Speed");
+                        MUIPEditorHandler.DrawProperty(animationCurve, customSkin, "Animation Curve");
+                    }
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "Options Header", 10);
+                    initAtStart.boolValue = MUIPEditorHandler.DrawToggle(initAtStart.boolValue, customSkin, "Initialize At Start");
+                    invokeAtStart.boolValue = MUIPEditorHandler.DrawToggle(invokeAtStart.boolValue, customSkin, "Invoke At Start");
+
+                    if (dTarget.selectedImage != null)
+                    {
+                        if (enableIcon.boolValue == true) { dTarget.selectedImage.enabled = true; }
+                        else { dTarget.selectedImage.enabled = false; }
+                    }
+
+                    else
+                    {
+                        if (enableIcon.boolValue == true)
+                        {
+                            GUILayout.BeginHorizontal();
+                            EditorGUILayout.HelpBox("'Selected Image' is not assigned. Go to Resources tab and assign the correct variable.", MessageType.Error);
+                            GUILayout.EndHorizontal();
+                        }                       
+                    }
+
+                    enableTrigger.boolValue = MUIPEditorHandler.DrawToggle(enableTrigger.boolValue, customSkin, "Enable Trigger");
+                    if (enableTrigger.boolValue == true && dTarget.triggerObject == null) { EditorGUILayout.HelpBox("'Trigger Object' is missing from the resources.", MessageType.Warning); }
+
+                    setHighPriority.boolValue = MUIPEditorHandler.DrawToggle(setHighPriority.boolValue, customSkin, "Set High Priority");
+                    if (setHighPriority.boolValue == true) { EditorGUILayout.HelpBox("Set High Priority; renders the content above all objects when the dropdown is open.", MessageType.Info); }
+
+                    outOnPointerExit.boolValue = MUIPEditorHandler.DrawToggle(outOnPointerExit.boolValue, customSkin, "Out On Pointer Exit");
+                   
+                    GUILayout.BeginVertical(EditorStyles.helpBox);
+                    GUILayout.Space(-3);
+                   
+                    enableDropdownSounds.boolValue = MUIPEditorHandler.DrawTogglePlain(enableDropdownSounds.boolValue, customSkin, "Enable Dropdown Sounds");
+                   
+                    GUILayout.Space(3);
+
+                    if (enableDropdownSounds.boolValue == true)
+                    {
+                        GUILayout.BeginVertical(EditorStyles.helpBox);
+                        GUILayout.Space(-3);
+
+                        useHoverSound.boolValue = MUIPEditorHandler.DrawTogglePlain(useHoverSound.boolValue, customSkin, "Enable Hover Sound");
+                     
+                        GUILayout.Space(3);
+
+                        if (useHoverSound.boolValue == true)
+                            MUIPEditorHandler.DrawProperty(hoverSound, customSkin, "Hover Sound");
+
+                        GUILayout.EndVertical();
+                        GUILayout.BeginVertical(EditorStyles.helpBox);
+                        GUILayout.Space(-3);
+                        
+                        useClickSound.boolValue = MUIPEditorHandler.DrawTogglePlain(useClickSound.boolValue, customSkin, "Enable Click Sound");
+                       
+                        GUILayout.Space(3);
+
+                        if (useClickSound.boolValue == true)
+                            MUIPEditorHandler.DrawProperty(clickSound, customSkin, "Click Sound");
+
+                        GUILayout.EndVertical();
+
+                        MUIPEditorHandler.DrawProperty(soundSource, customSkin, "Sound Source");
+
+                        if (dTarget.soundSource == null)
+                        {
+                            EditorGUILayout.HelpBox("'Sound Source' is not assigned. Go to Resources tab or click the button to create a new audio source.", MessageType.Warning);
+
+                            if (GUILayout.Button("+ Create a new one", customSkin.button))
+                            {
+                                dTarget.soundSource = dTarget.gameObject.AddComponent(typeof(AudioSource)) as AudioSource;
+                                currentTab = 2;
+                            }
+                        }
+                    }
+
+                    GUILayout.EndVertical();
+                    GUILayout.BeginVertical(EditorStyles.helpBox);
+                    GUILayout.Space(-3);
+
+                    saveSelected.boolValue = MUIPEditorHandler.DrawTogglePlain(saveSelected.boolValue, customSkin, "Save Selected");
+                  
+                    GUILayout.Space(3);
+
+                    if (saveSelected.boolValue == true)
+                    {
+                        MUIPEditorHandler.DrawPropertyPlainCW(saveKey, customSkin, "Save Key:", 90);
+                        EditorGUILayout.HelpBox("Each dropdown should has its own save key.", MessageType.Info);
+                    }
+
+                    GUILayout.EndVertical();
+                    MUIPEditorHandler.DrawHeader(customSkin, "UIM Header", 10);
+
+                    if (tempUIM != null)
+                    {
+                        MUIPEditorHandler.DrawUIManagerConnectedHeader();
+
+                        tempUIM.overrideColors = MUIPEditorHandler.DrawToggle(tempUIM.overrideColors, customSkin, "Override Colors");
+                        tempUIM.overrideFonts = MUIPEditorHandler.DrawToggle(tempUIM.overrideFonts, customSkin, "Override Fonts");
+
+                        if (GUILayout.Button("Open UI Manager", customSkin.button))
+                            EditorApplication.ExecuteMenuItem("Tools/Modern UI Pack/Show UI Manager");
+
+                        if (GUILayout.Button("Disable UI Manager Connection", customSkin.button))
+                        {
+                            if (EditorUtility.DisplayDialog("Modern UI Pack", "Are you sure you want to disable UI Manager connection with the object? " +
+                                "This operation cannot be undone.", "Yes", "Cancel"))
+                            {
+                                try { DestroyImmediate(tempUIM); }
+                                catch { Debug.LogError("<b>[Dropdown]</b> Failed to delete UI Manager connection.", this); }
+                            }
+                        }
+                    }
+
+                    else if (tempUIM == null) { MUIPEditorHandler.DrawUIManagerDisconnectedHeader(); }
+                    
+                    break;
+            }
+
+            if (Application.isPlaying == false) { this.Repaint(); }
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+}
+#endif

Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdownEditor.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: 227402b59bd462249a7f83d4fee619fd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 201717
+  packageName: Modern UI Pack
+  packageVersion: 5.5.19
+  assetPath: Assets/Modern UI Pack/Scripts/Dropdown/CustomDropdownEditor.cs
+  uploadId: 628721

Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelect.cs

@@ -0,0 +1,321 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.Events;
+using UnityEngine.EventSystems;
+using TMPro;
+
+namespace Michsky.MUIP
+{
+    public class DropdownMultiSelect : MonoBehaviour, IPointerExitHandler, IPointerClickHandler
+    {
+        // Resources
+        public GameObject triggerObject;
+        public Transform itemParent;
+        public GameObject itemObject;
+        public GameObject scrollbar;
+        private VerticalLayoutGroup itemList;
+        private Transform currentListParent;
+        public Transform listParent;
+        private Animator dropdownAnimator;
+        public TextMeshProUGUI setItemText;
+        public CanvasGroup contentCG;
+
+        // Settings
+        public bool isInteractable = true;
+        public bool initAtStart = true;
+        public bool enableIcon = true;
+        public bool enableTrigger = true;
+        public bool enableScrollbar = true;
+        public bool setHighPriority = true;
+        public bool outOnPointerExit = false;
+        public bool isListItem = false;
+        public bool invokeAtStart = false;
+        [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;
+
+        // Animation
+        public AnimationType animationType;
+        [Range(1, 25)] public float transitionSmoothness = 10;
+        [Range(1, 25)] public float sizeSmoothness = 15;
+        public float panelSize = 200;
+        public RectTransform listRect;
+        public CanvasGroup listCG;
+        bool isInTransition = false;
+        float closeOn;
+
+        // Items
+        [SerializeField]
+        public List<Item> items = new List<Item>();
+
+        // Other variables
+        bool isInitialized = false;
+        int currentIndex;
+        Toggle currentToggle;
+        string textHelper;
+        bool isOn;
+        public int siblingIndex = 0;
+        EventTrigger triggerEvent;
+
+        [System.Serializable]
+        public class ToggleEvent : UnityEvent<bool> { }
+
+        public enum AnimationType { Modular, Stylish }
+
+        [System.Serializable]
+        public class Item
+        {
+            public string itemName = "Dropdown Item";
+            public bool isOn;
+            [HideInInspector] public int itemIndex;
+            [SerializeField] public ToggleEvent onValueChanged = new ToggleEvent();
+        }
+
+        void OnEnable()
+        {
+            if (isInitialized == false) { Initialize(); }
+
+            listCG.alpha = 0;
+            listCG.interactable = false;
+            listCG.blocksRaycasts = false;
+            listRect.sizeDelta = new Vector2(listRect.sizeDelta.x, closeOn);
+        }
+
+        void Initialize()
+        {
+            if (listCG == null) { listCG = gameObject.GetComponentInChildren<CanvasGroup>(); }
+            if (listRect == null) { listRect = listCG.GetComponent<RectTransform>(); }
+            if (initAtStart == true) { SetupDropdown(); }
+            if (animationType == AnimationType.Modular && dropdownAnimator != null) { Destroy(dropdownAnimator); }
+
+            if (enableTrigger == true && 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 (setHighPriority == true)
+            {
+                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>();
+            }
+
+            currentListParent = transform.parent;
+            closeOn = gameObject.GetComponent<RectTransform>().sizeDelta.y;
+            isInitialized = true;
+        }
+
+        void Update()
+        {
+            if (isInTransition == false)
+                return;
+
+            ProcessModularAnimation();
+        }
+
+        void ProcessModularAnimation()
+        {
+            if (isOn == true)
+            {
+                listCG.alpha += Time.unscaledDeltaTime * transitionSmoothness;
+                listRect.sizeDelta = Vector2.Lerp(listRect.sizeDelta, new Vector2(listRect.sizeDelta.x, panelSize), Time.unscaledDeltaTime * sizeSmoothness);
+
+                if (listRect.sizeDelta.y >= panelSize - 0.1f && listCG.alpha >= 1) { isInTransition = false; }
+            }
+
+            else
+            {
+                listCG.alpha -= Time.unscaledDeltaTime * transitionSmoothness;
+                listRect.sizeDelta = Vector2.Lerp(listRect.sizeDelta, new Vector2(listRect.sizeDelta.x, closeOn), Time.unscaledDeltaTime * sizeSmoothness);
+
+                if (listRect.sizeDelta.y <= closeOn + 0.1f && listCG.alpha <= 0) { isInTransition = false; }
+            }
+        }
+
+        public void SetupDropdown()
+        {
+            if (dropdownAnimator == null) { dropdownAnimator = gameObject.GetComponent<Animator>(); }
+            if (enableScrollbar == false && scrollbar != null) { Destroy(scrollbar); }
+            if (itemList == null) { itemList = itemParent.GetComponent<VerticalLayoutGroup>(); }
+
+            UpdateItemLayout();
+
+            foreach (Transform child in itemParent) { Destroy(child.gameObject); }
+            for (int i = 0; i < items.Count; ++i)
+            {
+                GameObject go = Instantiate(itemObject, new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
+                go.transform.SetParent(itemParent, false);
+
+                setItemText = go.GetComponentInChildren<TextMeshProUGUI>();
+                textHelper = items[i].itemName;
+                setItemText.text = textHelper;
+
+                items[i].itemIndex = i;
+                DropdownMultiSelect.Item mainItem = items[i];
+
+                Toggle itemToggle = go.GetComponent<Toggle>();
+                itemToggle.onValueChanged.AddListener(delegate { UpdateToggleData(mainItem.itemIndex); });
+                itemToggle.onValueChanged.AddListener(UpdateToggle);
+                itemToggle.onValueChanged.AddListener(items[i].onValueChanged.Invoke);
+
+                if (items[i].isOn == true) { itemToggle.isOn = true; }
+                else { itemToggle.isOn = false; }
+
+                if (invokeAtStart == true)
+                {
+                    if (items[i].isOn == true) { items[i].onValueChanged.Invoke(true); }
+                    else { items[i].onValueChanged.Invoke(false); }
+                }
+            }
+
+            currentListParent = transform.parent;
+        }
+
+        void UpdateToggle(bool value)
+        {
+            if (value == true) { currentToggle.isOn = true; items[currentIndex].isOn = true; }
+            else { currentToggle.isOn = false; items[currentIndex].isOn = false; }
+        }
+
+        void UpdateToggleData(int itemIndex)
+        {
+            currentIndex = itemIndex;
+            currentToggle = itemParent.GetChild(currentIndex).GetComponent<Toggle>();
+        }
+
+        public void Animate()
+        {
+            if (isOn == false && animationType == AnimationType.Modular)
+            {
+                isOn = true;
+                isInTransition = true;
+                this.enabled = true;
+                listCG.blocksRaycasts = true;
+                listCG.interactable = true;
+
+                if (isListItem == true)
+                {
+                    siblingIndex = transform.GetSiblingIndex();
+                    gameObject.transform.SetParent(listParent, true);
+                }
+            }
+
+            else if (isOn == true && animationType == AnimationType.Modular)
+            {
+                isOn = false;
+                isInTransition = true;
+                this.enabled = true;
+                listCG.blocksRaycasts = false;
+                listCG.interactable = false;
+
+                if (isListItem == true)
+                {
+                    gameObject.transform.SetParent(currentListParent, true);
+                    gameObject.transform.SetSiblingIndex(siblingIndex);
+                }
+            }
+
+            else if (isOn == false && animationType == AnimationType.Stylish)
+            {
+                dropdownAnimator.Play("Stylish In");
+                isOn = true;
+
+                if (isListItem == true)
+                {
+                    siblingIndex = transform.GetSiblingIndex();
+                    gameObject.transform.SetParent(listParent, true);
+                }
+            }
+
+            else if (isOn == true && animationType == AnimationType.Stylish)
+            {
+                dropdownAnimator.Play("Stylish Out");
+                isOn = false;
+
+                if (isListItem == true)
+                {
+                    gameObject.transform.SetParent(currentListParent, true);
+                    gameObject.transform.SetSiblingIndex(siblingIndex);
+                }
+            }
+
+            if (enableTrigger == true && isOn == false) { triggerObject.SetActive(false); }
+            else if (enableTrigger == true && isOn == true) { triggerObject.SetActive(true); }
+
+            if (enableTrigger == true && outOnPointerExit == true) { triggerObject.SetActive(false); }
+        }
+
+        public void CreateNewItem(string title, bool value, bool notify)
+        {
+            Item item = new Item();
+            item.itemName = title;
+            item.isOn = value;
+            items.Add(item);
+            if (notify == true) { SetupDropdown(); }
+        }
+
+        public void CreateNewItem(string title, bool value)
+        {
+            Item item = new Item();
+            item.itemName = title;
+            item.isOn = value;
+            items.Add(item);
+            SetupDropdown();     
+        }
+
+        public void CreateNewItem(string title)
+        {
+            Item item = new Item();
+            item.itemName = title;
+            items.Add(item);
+        }
+
+        public void RemoveItem(string itemTitle)
+        {
+            var item = items.Find(x => x.itemName == itemTitle);
+            items.Remove(item);
+            SetupDropdown();
+        }
+
+        public void UpdateItemLayout()
+        {
+            if (itemList != null)
+            {
+                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 == false) { return; }
+            Animate();
+        }
+
+        public void OnPointerExit(PointerEventData eventData)
+        {
+            if (outOnPointerExit == true && isOn == true)
+            {
+                Animate();
+                isOn = false;
+
+                if (isListItem == true) { gameObject.transform.SetParent(currentListParent, true); }
+            }
+        }
+    }
+}

Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelect.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: 9142f1b2d4f467c49af32a1445cf9117
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {fileID: 2800000, guid: 0a39a4452fd810640afd1be6e700edee, type: 3}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 201717
+  packageName: Modern UI Pack
+  packageVersion: 5.5.19
+  assetPath: Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelect.cs
+  uploadId: 628721

Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelectEditor.cs

@@ -0,0 +1,199 @@
+#if UNITY_EDITOR
+using UnityEngine;
+using UnityEditor;
+
+namespace Michsky.MUIP
+{
+    [CustomEditor(typeof(DropdownMultiSelect))]
+    public class DropdownMultiSelectEditor : Editor
+    {
+        private GUISkin customSkin;
+        private DropdownMultiSelect dTarget;
+        private UIManagerDropdown tempUIM;
+        private int currentTab;
+
+        private void OnEnable()
+        {
+            dTarget = (DropdownMultiSelect)target;
+
+            try { tempUIM = dTarget.GetComponent<UIManagerDropdown>(); }
+            catch { }
+
+            if (EditorGUIUtility.isProSkin == true) { customSkin = MUIPEditorHandler.GetDarkEditor(customSkin); }
+            else { customSkin = MUIPEditorHandler.GetLightEditor(customSkin); }
+        }
+
+        public override void OnInspectorGUI()
+        {
+            MUIPEditorHandler.DrawComponentHeader(customSkin, "Dropdown Top Header");
+
+            GUIContent[] toolbarTabs = new GUIContent[3];
+            toolbarTabs[0] = new GUIContent("Content");
+            toolbarTabs[1] = new GUIContent("Resources");
+            toolbarTabs[2] = new GUIContent("Settings");
+
+            currentTab = MUIPEditorHandler.DrawTabs(currentTab, toolbarTabs, customSkin);
+
+            if (GUILayout.Button(new GUIContent("Content", "Content"), customSkin.FindStyle("Tab Content")))
+                currentTab = 0;
+            if (GUILayout.Button(new GUIContent("Resources", "Resources"), customSkin.FindStyle("Tab Resources")))
+                currentTab = 1;
+            if (GUILayout.Button(new GUIContent("Settings", "Settings"), customSkin.FindStyle("Tab Settings")))
+                currentTab = 2;
+
+            GUILayout.EndHorizontal();
+
+            var items = serializedObject.FindProperty("items");
+            var triggerObject = serializedObject.FindProperty("triggerObject");
+            var itemParent = serializedObject.FindProperty("itemParent");
+            var itemObject = serializedObject.FindProperty("itemObject");
+            var scrollbar = serializedObject.FindProperty("scrollbar");
+            var listParent = serializedObject.FindProperty("listParent");
+            var enableIcon = serializedObject.FindProperty("enableIcon");
+            var enableTrigger = serializedObject.FindProperty("enableTrigger");
+            var enableScrollbar = serializedObject.FindProperty("enableScrollbar");
+            var setHighPriority = serializedObject.FindProperty("setHighPriority");
+            var outOnPointerExit = serializedObject.FindProperty("outOnPointerExit");
+            var isListItem = serializedObject.FindProperty("isListItem");
+            var invokeAtStart = serializedObject.FindProperty("invokeAtStart");
+            var animationType = serializedObject.FindProperty("animationType");
+            var itemSpacing = serializedObject.FindProperty("itemSpacing");
+            var itemPaddingLeft = serializedObject.FindProperty("itemPaddingLeft");
+            var itemPaddingRight = serializedObject.FindProperty("itemPaddingRight");
+            var itemPaddingTop = serializedObject.FindProperty("itemPaddingTop");
+            var itemPaddingBottom = serializedObject.FindProperty("itemPaddingBottom");
+            var initAtStart = serializedObject.FindProperty("initAtStart");
+            var transitionSmoothness = serializedObject.FindProperty("transitionSmoothness");
+            var sizeSmoothness = serializedObject.FindProperty("sizeSmoothness");
+            var panelSize = serializedObject.FindProperty("panelSize");
+            var listRect = serializedObject.FindProperty("listRect");
+            var listCG = serializedObject.FindProperty("listCG");
+
+            switch (currentTab)
+            {
+                case 0:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Content Header", 6);
+                    GUILayout.BeginVertical();
+                    EditorGUI.indentLevel = 1;
+
+                    EditorGUILayout.PropertyField(items, new GUIContent("Dropdown Items"), true); 
+
+                    EditorGUI.indentLevel = 0;
+                    GUILayout.EndVertical();
+                    break;
+
+                case 1:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Core Header", 6);
+                    MUIPEditorHandler.DrawProperty(triggerObject, customSkin, "Trigger Object");
+                    MUIPEditorHandler.DrawProperty(itemObject, customSkin, "Item Prefab");
+                    MUIPEditorHandler.DrawProperty(itemParent, customSkin, "Item Parent");
+                    MUIPEditorHandler.DrawProperty(scrollbar, customSkin, "Scrollbar");
+                    MUIPEditorHandler.DrawProperty(listParent, customSkin, "List Parent");
+
+                    if (dTarget.animationType == DropdownMultiSelect.AnimationType.Modular)
+                    {
+                        MUIPEditorHandler.DrawProperty(listRect, customSkin, "List Rect");
+                        MUIPEditorHandler.DrawProperty(listCG, customSkin, "List Canvas Group");
+                    }
+
+                    break;
+
+                case 2:
+                    MUIPEditorHandler.DrawHeader(customSkin, "Customization Header", 6);
+                    enableIcon.boolValue = MUIPEditorHandler.DrawToggle(enableIcon.boolValue, customSkin, "Enable Header Icon");
+                    enableScrollbar.boolValue = MUIPEditorHandler.DrawToggle(enableScrollbar.boolValue, customSkin, "Enable Scrollbar");
+                    MUIPEditorHandler.DrawPropertyCW(itemSpacing, customSkin, "Item Spacing", 90);
+
+                    GUILayout.BeginVertical(EditorStyles.helpBox);
+                    GUILayout.BeginHorizontal();
+                    EditorGUILayout.LabelField(new GUIContent("Item Padding"), customSkin.FindStyle("Text"), GUILayout.Width(90));
+                    GUILayout.EndHorizontal();
+                    EditorGUI.indentLevel = 1;
+
+                    EditorGUILayout.PropertyField(itemPaddingTop, new GUIContent("Top"));
+                    EditorGUILayout.PropertyField(itemPaddingBottom, new GUIContent("Bottom"));
+                    EditorGUILayout.PropertyField(itemPaddingLeft, new GUIContent("Left"));
+                    EditorGUILayout.PropertyField(itemPaddingRight, new GUIContent("Right"));
+
+                    EditorGUI.indentLevel = 0;
+                    GUILayout.EndVertical();
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "Animation Header", 10);
+                    MUIPEditorHandler.DrawProperty(animationType, customSkin, "Animation Type");
+
+                    if (dTarget.animationType == DropdownMultiSelect.AnimationType.Modular)
+                    {
+                        MUIPEditorHandler.DrawProperty(transitionSmoothness, customSkin, "Transition Speed");
+                        MUIPEditorHandler.DrawProperty(sizeSmoothness, customSkin, "Size Smoothness");
+                        MUIPEditorHandler.DrawProperty(panelSize, customSkin, "Panel Size");
+                    }
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "Options Header", 10);
+                    initAtStart.boolValue = MUIPEditorHandler.DrawToggle(initAtStart.boolValue, customSkin, "Initialize At Start");
+                    invokeAtStart.boolValue = MUIPEditorHandler.DrawToggle(invokeAtStart.boolValue, customSkin, "Invoke At Start");
+                    enableTrigger.boolValue = MUIPEditorHandler.DrawToggle(enableTrigger.boolValue, customSkin, "Enable Trigger");
+
+                    if (enableTrigger.boolValue == true && dTarget.triggerObject == null)
+                    {
+                        GUILayout.BeginHorizontal();
+                        EditorGUILayout.HelpBox("'Trigger Object' is not assigned. Go to Resources tab and assign the correct variable.", MessageType.Error);
+                        GUILayout.EndHorizontal();
+                    }
+
+                    setHighPriority.boolValue = MUIPEditorHandler.DrawToggle(setHighPriority.boolValue, customSkin, "Set High Priority");
+                    outOnPointerExit.boolValue = MUIPEditorHandler.DrawToggle(outOnPointerExit.boolValue, customSkin, "Out On Pointer Exit");
+                   
+                    GUILayout.BeginVertical(EditorStyles.helpBox);
+                    GUILayout.Space(-3);
+
+                    isListItem.boolValue = MUIPEditorHandler.DrawTogglePlain(isListItem.boolValue, customSkin, "Is List Item");
+
+                    GUILayout.Space(3);
+
+                    if (isListItem.boolValue == true)
+                    {
+                        MUIPEditorHandler.DrawPropertyPlain(listParent, customSkin, "List Parent");
+
+                        if (dTarget.listParent == null)
+                        {
+                            GUILayout.BeginHorizontal();
+                            EditorGUILayout.HelpBox("'List Parent' is not assigned. Go to Resources tab and assign the correct variable.", MessageType.Error);
+                            GUILayout.EndHorizontal();
+                        }
+                    }
+
+                    GUILayout.EndVertical();
+
+                    MUIPEditorHandler.DrawHeader(customSkin, "UIM Header", 10);
+
+                    if (tempUIM != null)
+                    {
+                        MUIPEditorHandler.DrawUIManagerConnectedHeader();
+                        tempUIM.overrideColors = MUIPEditorHandler.DrawToggle(tempUIM.overrideColors, customSkin, "Override Colors");
+                        tempUIM.overrideFonts = MUIPEditorHandler.DrawToggle(tempUIM.overrideFonts, customSkin, "Override Fonts");
+
+                        if (GUILayout.Button("Open UI Manager", customSkin.button))
+                            EditorApplication.ExecuteMenuItem("Tools/Modern UI Pack/Show UI Manager");
+
+                        if (GUILayout.Button("Disable UI Manager Connection", customSkin.button))
+                        {
+                            if (EditorUtility.DisplayDialog("Modern UI Pack", "Are you sure you want to disable UI Manager connection with the object? " +
+                                "This operation cannot be undone.", "Yes", "Cancel"))
+                            {
+                                try { DestroyImmediate(tempUIM); }
+                                catch { Debug.LogError("<b>[Dropdown]</b> Failed to delete UI Manager connection.", this); }
+                            }
+                        }
+                    }
+
+                    else if (tempUIM == null) { MUIPEditorHandler.DrawUIManagerDisconnectedHeader(); }
+
+                    break;
+            }
+
+            if (Application.isPlaying == false) { this.Repaint(); }
+            serializedObject.ApplyModifiedProperties();
+        }
+    }
+}
+#endif

Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelectEditor.cs.meta

@@ -0,0 +1,18 @@
+fileFormatVersion: 2
+guid: 11fa941289c070249b66bfda86e99c36
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+AssetOrigin:
+  serializedVersion: 1
+  productId: 201717
+  packageName: Modern UI Pack
+  packageVersion: 5.5.19
+  assetPath: Assets/Modern UI Pack/Scripts/Dropdown/DropdownMultiSelectEditor.cs
+  uploadId: 628721