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Source/Editor/CustomEditors/Elements/SliderElement.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using System.Linq;
+using System.Reflection;
+using FlaxEditor.GUI.Input;
+using FlaxEngine;
+using FlaxEngine.GUI;
+
+namespace FlaxEditor.CustomEditors.Elements
+{
+    /// <summary>
+    /// The slider element.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.CustomEditors.LayoutElement" />
+    public class SliderElement : LayoutElement, IFloatValueEditor, IIntegerValueEditor
+    {
+        /// <summary>
+        /// The slider control.
+        /// </summary>
+        public readonly SliderControl Slider;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SliderElement"/> class.
+        /// </summary>
+        public SliderElement()
+        {
+            Slider = new SliderControl(0);
+        }
+
+        /// <summary>
+        /// Sets the editor limits from member <see cref="RangeAttribute"/>.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        public void SetLimits(MemberInfo member)
+        {
+            // Try get limit attribute for value min/max range setting and slider speed
+            if (member != null)
+            {
+                var attributes = member.GetCustomAttributes(true);
+                var limit = attributes.FirstOrDefault(x => x is RangeAttribute);
+                if (limit != null)
+                {
+                    Slider.SetLimits((RangeAttribute)limit);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Sets the editor limits from member <see cref="RangeAttribute"/>.
+        /// </summary>
+        /// <param name="limit">The limit.</param>
+        public void SetLimits(RangeAttribute limit)
+        {
+            if (limit != null)
+            {
+                Slider.SetLimits(limit);
+            }
+        }
+
+        /// <inheritdoc />
+        public override Control Control => Slider;
+
+        /// <inheritdoc />
+        public float Value
+        {
+            get => Slider.Value;
+            set => Slider.Value = value;
+        }
+
+        /// <inheritdoc />
+        int IIntegerValueEditor.Value
+        {
+            get => (int)Slider.Value;
+            set => Slider.Value = value;
+        }
+
+        /// <inheritdoc cref="IFloatValueEditor.IsSliding" />
+        public bool IsSliding => Slider.IsSliding;
+    }
+}