testss

Library/PackageCache/com.unity.render-pipelines.core@11.0.0/Editor/ExpandedState.cs

@@ -0,0 +1,65 @@
+using System;
+
+namespace UnityEditor.Rendering
+{
+    /// <summary>Used in editor drawer part to store the state of expendable areas.</summary>
+    /// <typeparam name="TState">An enum to use to describe the state.</typeparam>
+    /// <typeparam name="TTarget">A type given to automatically compute the key.</typeparam>
+    public struct ExpandedState<TState, TTarget>
+        where TState : struct, IConvertible
+    {
+        EditorPrefBoolFlags<TState> m_State;
+
+        /// <summary>Constructor will create the key to store in the EditorPref the state given generic type passed.</summary>
+        /// <param name="defaultValue">If key did not exist, it will be created with this value for initialization.</param>
+        /// <param name="prefix">[Optional] Prefix scope of the key (Default is CoreRP)</param>
+        public ExpandedState(TState defaultValue, string prefix = "CoreRP")
+        {
+            String Key = string.Format("{0}:{1}:UI_State", prefix, typeof(TTarget).Name);
+            m_State = new EditorPrefBoolFlags<TState>(Key);
+
+            //register key if not already there
+            if (!EditorPrefs.HasKey(Key))
+            {
+                EditorPrefs.SetInt(Key, (int)(object)defaultValue);
+            }
+        }
+
+        /// <summary>Get or set the state given the mask.</summary>
+        /// <param name="mask">The filtering mask</param>
+        /// <returns>True: All flagged area are expended</returns>
+        public bool this[TState mask]
+        {
+            get { return m_State.HasFlag(mask); }
+            set { m_State.SetFlag(mask, value); }
+        }
+
+        /// <summary>Accessor to the expended state of this specific mask.</summary>
+        /// <param name="mask">The filtering mask</param>
+        /// <returns>True: All flagged area are expended</returns>
+        public bool GetExpandedAreas(TState mask)
+        {
+            return m_State.HasFlag(mask);
+        }
+
+        /// <summary>Setter to the expended state.</summary>
+        /// <param name="mask">The filtering mask</param>
+        /// <param name="value">The expended state to set</param>
+        public void SetExpandedAreas(TState mask, bool value)
+        {
+            m_State.SetFlag(mask, value);
+        }
+
+        /// <summary> Utility to set all states to true </summary>
+        public void ExpandAll()
+        {
+            m_State.rawValue = ~(-1);
+        }
+
+        /// <summary> Utility to set all states to false </summary>
+        public void CollapseAll()
+        {
+            m_State.rawValue = 0;
+        }
+    }
+}