0.3.0: Added history list

Editor/History/Window/Views/AbstractEditorHistoryView.cs

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+using UnityEngine;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal abstract class AbstractEditorHistoryView
+    {
+        public abstract void Initialize();
+        public abstract void Draw(EditorHistoryWindow window, Rect rect, Styles styles);
+    }
+}

Editor/History/Window/Views/AbstractEditorHistoryView.cs.meta

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+fileFormatVersion: 2
+guid: e3d660bb77394c34884adc62cff3ac7c
+timeCreated: 1613305008

Editor/History/Window/Views/EditorHistoryViewSearchList.cs

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+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Game.NavigationTool.Editor.History
+{
+    [Serializable]
+    internal sealed class EditorHistoryViewSearchList : AbstractEditorHistoryView
+    {
+        [SerializeField]
+        private Vector2 scrollPosition;
+        
+        [NonSerialized]
+        private HistoryList historyList;
+
+        public override void Initialize()
+        {
+            historyList = HistoryUtility.GetHistoryList();
+        }
+
+        public override void Draw(EditorHistoryWindow window, Rect rect, Styles styles)
+        {
+            float entryHeight = EditorGUIUtility.singleLineHeight;
+            float height = entryHeight * historyList.entries.Count;
+
+            bool isSearching = !string.IsNullOrEmpty(window.viewTools.searchStr);
+            string lowerSearchStr = window.viewTools.searchStr.ToLower();
+            
+            GUI.BeginGroup(rect);
+            {
+                var position = new Rect(0.0f, 0.0f, rect.width, rect.height);
+                var viewRect = new Rect(0.0f, 0.0f, position.height > height ? position.width : position.width - 14.0f, height);
+                var entryRect = new Rect(0.0f, 0.0f, viewRect.width, entryHeight);
+            
+                scrollPosition = GUI.BeginScrollView(position, scrollPosition, viewRect);
+                {
+                    for (int i = historyList.entries.Count - 1; i >= 0; i--)
+                    {
+                        HistoryList.Entry e = historyList.entries[i];
+                        
+                        if (isSearching && !e.lowerName.Contains(lowerSearchStr))
+                            continue;
+                        
+                        HistoryGUIUtility.DrawEntry(entryRect, historyList.entries[i], styles, true);
+                        entryRect.y += entryHeight;
+                    }
+                }
+                GUI.EndScrollView();
+            }
+            GUI.EndGroup();
+        }
+    }
+}

Editor/History/Window/Views/EditorHistoryViewSearchList.cs.meta

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+MonoImporter:
+  externalObjects: {}
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+  defaultReferences: []
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Editor/History/Window/Views/EditorHistoryViewTools.cs

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+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Game.NavigationTool.Editor.History
+{
+    [Serializable]
+    internal sealed class EditorHistoryViewTools : AbstractEditorHistoryView
+    {
+        public string searchStr = string.Empty;
+
+        [NonSerialized]
+        private HistoryList historyList;
+        
+        public override void Initialize()
+        {
+            historyList = HistoryUtility.GetHistoryList();
+        }
+
+        public override void Draw(EditorHistoryWindow window, Rect rect, Styles styles)
+        {
+            const float BUTTON_SIZE = 50.0f;
+            
+            GUI.BeginGroup(rect, styles.toolbox);
+            {
+                var r0 = new Rect(0.0f, 0.0f, rect.width - BUTTON_SIZE, rect.height);
+                var r1 = new Rect(r0.xMax, 0.0f, BUTTON_SIZE, rect.height);
+                searchStr = EditorGUI.TextField(r0, searchStr);
+
+                if (GUI.Button(r1, "Clear"))
+                    historyList.Clear();
+            }
+            GUI.EndGroup();
+        }
+
+        public bool IsSearching()
+        {
+            return !string.IsNullOrEmpty(searchStr);
+        }
+    }
+}

Editor/History/Window/Views/EditorHistoryViewTools.cs.meta

@@ -0,0 +1,11 @@
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