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Assets/TcgEngine/Scripts/UI/DropdownValue.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.UI;
+
+namespace TcgEngine.UI
+{
+    /// <summary>
+    /// Class that let you store a ID with each element of a Dropdown
+    /// </summary>
+
+    [System.Serializable]
+    public class DropdownValueItem
+    {
+        public string id;
+        public string text;
+    }
+
+    [RequireComponent(typeof(Dropdown))]
+    public class DropdownValue : MonoBehaviour
+    {
+        public UnityAction<int, string> onValueChanged;
+
+        private List<DropdownValueItem> values = new List<DropdownValueItem>();
+
+        private Dropdown dropdown;
+
+        void Awake()
+        {
+            dropdown = GetComponent<Dropdown>();
+            dropdown.onValueChanged.AddListener(OnChangeValue);
+        }
+
+        private void Start()
+        {
+
+        }
+
+        public void AddOption(string id, string text)
+        {
+            Dropdown.OptionData option = new Dropdown.OptionData(text);
+            dropdown.options.Add(option);
+            DropdownValueItem item = new DropdownValueItem();
+            item.id = id;
+            item.text = text;
+            values.Add(item);
+            dropdown.RefreshShownValue();
+        }
+
+        public void ClearOptions()
+        {
+            values.Clear();
+            dropdown.ClearOptions();
+        }
+
+        public void SetValue(string value)
+        {
+            int index = 0;
+            foreach (DropdownValueItem item in values)
+            {
+                if (item.id == value)
+                    dropdown.value = index;
+                index++;
+            }
+        }
+
+        public void SetValue(int index)
+        {
+            if (index >= 0 && index < dropdown.options.Count)
+                dropdown.value = index;
+        }
+
+        private void OnChangeValue(int selected_index)
+        {
+            if (selected_index >= 0 && selected_index < values.Count)
+            {
+                DropdownValueItem value = values[selected_index];
+                if (onValueChanged != null)
+                    onValueChanged.Invoke(selected_index, value.id);
+            }
+        }
+
+        public DropdownValueItem GetSelected()
+        {
+            if (dropdown.value >= 0 && dropdown.value < values.Count)
+            {
+                DropdownValueItem item = values[dropdown.value];
+                return item;
+            }
+            return null;
+        }
+
+        public string GetSelectedValue()
+        {
+            DropdownValueItem item = GetSelected();
+            if (item != null)
+                return item.id;
+            return "";
+        }
+
+        public string GetSelectedText()
+        {
+            DropdownValueItem item = GetSelected();
+            if (item != null)
+                return item.text;
+            return "";
+        }
+
+        public int GetSelectedIndex()
+        {
+            return dropdown.value;
+        }
+
+        public int Count
+        {
+            get { return dropdown.options.Count; }
+        }
+
+        public bool interactable
+        {
+            get { return dropdown.interactable; }
+            set { dropdown.interactable = value; }
+        }
+
+        public int value
+        {
+            get { return dropdown.value; }
+            set { dropdown.value = value; dropdown.RefreshShownValue(); }
+        }
+
+        public List<DropdownValueItem> Items
+        {
+            get { return values; }
+        }
+    }
+}