feat: Handle value change on min/max value on text slider

Author: jcs090218

Assets/JCSUnity/Scripts/UI/Slider/JCS_SliderTextDisplay.cs

@@ -20,6 +20,14 @@ public class JCS_SliderTextDisplay : JCS_TextObject
     {
         /* Variables */
 
+        public Action onRefresh = null;
+
+        // Record for last min value.
+        private float mMinVal = 0;
+
+        // Record for last max value.
+        private float mMaxVal = 0;
+
         [Separator("Runtime Variables (JCS_TextSliderDisplay)")]
 
         [Tooltip("To update the text along with this slider's value.")]
@@ -53,6 +61,14 @@ private void OnDisable()
             RemoveListener();
         }
 
+        private void Update()
+        {
+            if (mSlider == null)
+                return;
+
+            HandleMinMaxValueChanged();
+        }
+
 #if UNITY_EDITOR
         private void OnValidate()
         {
@@ -90,6 +106,21 @@ public void Refresh()
                     Math.Round(mSlider.value, mRoundPlace),
                     Math.Round(mSlider.maxValue, mRoundPlace),
                     Math.Round(mSlider.minValue, mRoundPlace));
+
+            onRefresh?.Invoke();
+        }
+
+        private void HandleMinMaxValueChanged()
+        {
+            if (mMinVal != mSlider.minValue ||
+                mMaxVal != mSlider.maxValue)
+            {
+                mMinVal = mSlider.minValue;
+                mMaxVal = mSlider.maxValue;
+
+                // Handle min/max value change.
+                Refresh();
+            }
         }
     }
 }