0.3.0: Added history list

Editor/Favorites/Enums/EManipulatingState.cs

@@ -1,4 +1,4 @@
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     public enum EManipulatingState : byte
     {

Editor/Favorites/Utilities/Favorites.cs

@@ -5,7 +5,7 @@ using UnityEditor;
 using UnityEngine;
 using Object = UnityEngine.Object;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     [Serializable]
     internal sealed class Favorites : ISerializationCallbackReceiver

Editor/Favorites/Utilities/FavoritesGUIUtility.cs

@@ -2,11 +2,11 @@
 using UnityEditorInternal;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal static class FavoritesGUIUtility
     {
-        private static readonly int ENTRY_HASH = "DrawEntry".GetHashCode();
+        private static readonly int ENTRY_HASH = "DrawFavoriteEntry".GetHashCode();
         
         public static Favorites.Entry manipulatingEntry;
         public static EManipulatingState manipulatingState;
@@ -79,8 +79,11 @@ namespace Game.NavigationTool.Editor
                     if (!entry.isAsset)
                         entry.content.image = entry.expanded ? styles.foldoutOut : styles.foldoutIn;
                     
+                    Vector2 oldSize = EditorGUIUtility.GetIconSize();
+                    EditorGUIUtility.SetIconSize(new Vector2(rect.height, rect.height));
                     GUIStyle style = entry.valid ? styles.entry : styles.invalidEntry;
                     style.Draw(rect, entry.content, id, on, intersects);
+                    EditorGUIUtility.SetIconSize(oldSize);
                     break;
             }
         }

Editor/Favorites/Utilities/FavoritesPostProcess.cs

@@ -1,6 +1,6 @@
 using UnityEditor;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class FavoritesPostProcess : AssetPostprocessor
     {

Editor/Favorites/Utilities/FavoritesUtility.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using UnityEditor;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal static class FavoritesUtility
     {

Editor/Favorites/Window/EditorFavoritesPopupWindowAddFolder.cs

@@ -1,7 +1,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class EditorFavoritesPopupWindowAddFolder : PopupWindowContent
     {

Editor/Favorites/Window/EditorFavoritesPopupWindowContextMenu.cs

@@ -1,7 +1,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class EditorFavoritesPopupWindowContextMenu : PopupWindowContent
     {

Editor/Favorites/Window/EditorFavoritesPopupWindowRenameFolder.cs

@@ -1,7 +1,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class EditorFavoritesPopupWindowRenameFolder : PopupWindowContent
     {

Editor/Favorites/Window/EditorFavoritesWindow.cs

@@ -2,7 +2,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class EditorFavoritesWindow : EditorWindow
     {

Editor/Favorites/Window/Styles/Styles.cs

@@ -1,6 +1,6 @@
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal sealed class Styles
     {

Editor/Favorites/Window/Views/AbstractEditorFavoritesView.cs

@@ -1,6 +1,6 @@
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     internal abstract class AbstractEditorFavoritesView
     {

Editor/Favorites/Window/Views/EditorFavoritesViewSearchList.cs

@@ -2,7 +2,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     [Serializable]
     internal sealed class EditorFavoritesViewSearchList : AbstractEditorFavoritesView

Editor/Favorites/Window/Views/EditorFavoritesViewTools.cs

@@ -2,7 +2,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     [Serializable]
     internal sealed class EditorFavoritesViewTools : AbstractEditorFavoritesView

Editor/Favorites/Window/Views/EditorFavoritesViewTreeList.cs

@@ -2,7 +2,7 @@
 using UnityEditor;
 using UnityEngine;
 
-namespace Game.NavigationTool.Editor
+namespace Game.NavigationTool.Editor.Favorite
 {
     [Serializable]
     internal sealed class EditorFavoritesViewTreeList : AbstractEditorFavoritesView

Editor/History.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 7bbcde81c1d70cb419a781a2ac8b3f94
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/History/Utilities.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 6f86cbee736eef748b28697927b877b4
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/History/Utilities/HistoryGUIUtility.cs

@@ -0,0 +1,75 @@
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal static class HistoryGUIUtility
+    {
+        private static readonly int ENTRY_HASH = "DrawHistoryEntry".GetHashCode();
+
+        public static bool isClicked;
+        public static HistoryList.Entry currentEntry;
+        
+        public static void DrawEntry(Rect rect, HistoryList.Entry entry, Styles styles, bool ignoreIndentLevel = false)
+        {
+            int id = GUIUtility.GetControlID(ENTRY_HASH, FocusType.Passive, rect);
+            bool on = currentEntry == entry;
+            bool intersects = rect.Contains(Event.current.mousePosition);
+            
+            switch (Event.current.type)
+            {
+                case EventType.MouseDown:
+                    if (intersects)
+                    {
+                        currentEntry = entry;
+                        Event.current.Use();
+                    }
+                    break;
+                case EventType.MouseUp:
+                    if (currentEntry == entry)
+                    {
+                        isClicked = intersects;
+
+                        if (!isClicked)
+                            currentEntry = null;
+                        
+                        Event.current.Use();
+                    }
+                    break;
+                case EventType.Repaint:
+                    Vector2 oldSize = EditorGUIUtility.GetIconSize();
+                    EditorGUIUtility.SetIconSize(new Vector2(rect.height, rect.height));
+                    GUIStyle style = entry.valid ? styles.entry : styles.invalidEntry;
+                    style.Draw(rect, entry.content, id, on, intersects);
+                    EditorGUIUtility.SetIconSize(oldSize);
+                    break;
+            }
+        }
+
+        public static void Used()
+        {
+            isClicked = false;
+            currentEntry = null;
+        }
+        
+        public static Texture2D GetIcon(string path)
+        {
+            var texture = AssetDatabase.GetCachedIcon(path) as Texture2D;
+            
+            if (texture == null)
+                texture = InternalEditorUtility.GetIconForFile(path);
+
+            return texture;
+        }
+
+        public static void Repaint()
+        {
+            if (!EditorWindow.HasOpenInstances<EditorHistoryWindow>())
+                return;
+            
+            var window = EditorWindow.GetWindow<EditorHistoryWindow>("History", false);
+            window.Repaint();
+        }
+    }
+}

Editor/History/Utilities/HistoryGUIUtility.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fd4d5beff36f41d40ac4a5a495488f8e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/History/Utilities/HistoryList.cs

@@ -0,0 +1,143 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+using Object = UnityEngine.Object;
+
+namespace Game.NavigationTool.Editor.History
+{
+    [Serializable]
+    internal sealed class HistoryList
+    {
+        public static readonly string PREF_ID = "PREF_HISTORY_LIST";
+        public const int MAX_LENGTH = 32;
+
+        public List<Entry> entries;
+        
+        public HistoryList()
+        {
+            entries = new List<Entry>();
+            string json = EditorPrefs.GetString(PREF_ID);
+
+            if (!string.IsNullOrEmpty(json))
+                EditorJsonUtility.FromJsonOverwrite(json, this);
+        }
+        
+        public void Add(string guid)
+        {
+            if (InternalAddEntry(new Entry(guid)))
+                Save();
+        }
+        
+        private bool InternalAddEntry(Entry e)
+        {
+            e.Refresh();
+            
+            if (!e.valid)
+                return false;
+            
+            entries.Add(e);
+            
+            if (entries.Count > MAX_LENGTH)
+                entries.RemoveRange(0, entries.Count - MAX_LENGTH);
+            
+            return true;
+        }
+
+        public void AddRange(string[] guids)
+        {
+            var isDirty = false;
+            
+            for (var i = 0; i < guids.Length; i++)
+            {
+                if (InternalAddEntry(new Entry(guids[i])))
+                    isDirty = true;
+            }
+
+            if (isDirty)
+                Save();
+        }
+
+        public void AddRangeByPath(string[] paths)
+        {
+            var isDirty = false;
+            
+            for (var i = 0; i < paths.Length; i++)
+            {
+                string guid = AssetDatabase.AssetPathToGUID(paths[i]);
+
+                if (InternalAddEntry(new Entry(guid)))
+                    isDirty = true;
+            }
+
+            if (isDirty)
+                Save();
+        }
+
+        public void Remove(Entry e)
+        {
+            if (entries.Remove(e))
+                Save();
+        }
+        
+        public void Clear()
+        {
+            entries.Clear();
+            Save();
+        }
+        
+        public Object GetObject(Entry entry)
+        {
+            string path = AssetDatabase.GUIDToAssetPath(entry.guid);
+            return AssetDatabase.LoadMainAssetAtPath(path);
+        }
+        
+        public void Save()
+        {
+            string json = EditorJsonUtility.ToJson(this, false);
+            EditorPrefs.SetString(PREF_ID, json);
+        }
+
+        /// <summary>
+        /// Class: Entry
+        /// </summary>
+        [Serializable]
+        public sealed class Entry : ISerializationCallbackReceiver
+        {
+            public string guid;
+            
+            [NonSerialized]
+            public string name;
+            [NonSerialized]
+            public bool valid;
+            [NonSerialized]
+            public GUIContent content;
+            [NonSerialized]
+            public string lowerName;
+
+            public Entry(string guid)
+            {
+                this.guid = guid;
+            }
+            
+            void ISerializationCallbackReceiver.OnBeforeSerialize()
+            {
+            }
+
+            void ISerializationCallbackReceiver.OnAfterDeserialize()
+            {
+                Refresh();
+            }
+
+            public void Refresh()
+            {
+                string path = AssetDatabase.GUIDToAssetPath(guid);
+                name = Path.GetFileNameWithoutExtension(path);
+                lowerName = name.ToLower();
+                valid = AssetDatabase.LoadMainAssetAtPath(path) != null;
+                content = new GUIContent(name, HistoryGUIUtility.GetIcon(path), path);
+            }
+        }
+    }
+}

Editor/History/Utilities/HistoryList.cs.meta

@@ -0,0 +1,11 @@
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+guid: a7c41592f12a4174885c183470ce5e91
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
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Editor/History/Utilities/HistoryListPostProcess.cs

@@ -0,0 +1,46 @@
+using UnityEditor;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal sealed class HistoryListPostProcess : AssetPostprocessor
+    {
+        private static bool IGNORE_NEXT_SELECTION_CHANGE;
+
+        static HistoryListPostProcess()
+        {
+            Selection.selectionChanged += OnSelectionChanged;
+        }
+
+        private static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
+        {
+            bool isDirty = deletedAssets.Length != 0 ||
+                           movedAssets.Length != 0 ||
+                           movedFromAssetPaths.Length != 0;
+
+            if (isDirty && HistoryUtility.IsLoaded())
+                HistoryUtility.RefreshAll();
+        }
+
+        private static void OnSelectionChanged()
+        {
+            if (Selection.assetGUIDs == null)
+                return;
+
+            if (IGNORE_NEXT_SELECTION_CHANGE)
+            {
+                IGNORE_NEXT_SELECTION_CHANGE = false;
+            }
+            else
+            {
+                HistoryList historyList = HistoryUtility.GetHistoryList();
+                historyList.AddRange(Selection.assetGUIDs);
+                HistoryGUIUtility.Repaint();
+            }
+        }
+
+        public static void IgnoreNextSelectionChange()
+        {
+            IGNORE_NEXT_SELECTION_CHANGE = true;
+        }
+    }
+}

Editor/History/Utilities/HistoryListPostProcess.cs.meta

@@ -0,0 +1,11 @@
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+guid: 2d8bd093d38234a4f9268f2fb4fc6b80
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
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+  assetBundleVariant: 

Editor/History/Utilities/HistoryUtility.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal static class HistoryUtility
+    {
+        private static HistoryList HISTORY_LIST;
+
+        static HistoryUtility()
+        {
+            HISTORY_LIST = null;
+        }
+        
+        public static HistoryList GetHistoryList()
+        {
+            return HISTORY_LIST ?? (HISTORY_LIST = new HistoryList());
+        }
+
+        public static bool IsLoaded()
+        {
+            return HISTORY_LIST != null;
+        }
+
+        public static void RefreshAll()
+        {
+            if (HISTORY_LIST == null)
+                return;
+
+            List<HistoryList.Entry> entries = HISTORY_LIST.entries;
+
+            for (var i = 0; i < entries.Count; i++)
+            {
+                entries[i].Refresh();
+            }
+        }
+    }
+}

Editor/History/Utilities/HistoryUtility.cs.meta

@@ -0,0 +1,11 @@
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+guid: 4ceaae411c5d2e64b899ea234444354b
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Editor/History/Window.meta

@@ -0,0 +1,8 @@
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+guid: 0bcd27df5069d28488ed46453c10c44e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/History/Window/EditorHistoryWindow.cs

@@ -0,0 +1,71 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+using Object = UnityEngine.Object;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal sealed class EditorHistoryWindow : EditorWindow
+    {
+        [NonSerialized]
+        private Styles styles;
+        [SerializeField]
+        public EditorHistoryViewTools viewTools;
+        [SerializeField]
+        private EditorHistoryViewSearchList viewSearchList;
+        
+        [MenuItem("Tools/Windows/History")]
+        public static void Open()
+        {
+            var window = GetWindow<EditorHistoryWindow>();
+            window.titleContent = new GUIContent("History");
+            window.Show();
+        }
+
+        private void OnEnable()
+        {
+            if (styles == null)
+                styles = new Styles();
+            if (viewTools == null)
+                viewTools = new EditorHistoryViewTools();
+            if (viewSearchList == null)
+                viewSearchList = new EditorHistoryViewSearchList();
+        }
+
+        private void OnGUI()
+        {
+            if (Event.current.type == EventType.Layout)
+                return;
+            
+            styles.Initialize(GUI.skin);
+            var rectTools = new Rect(0.0f, 0.0f, position.width, EditorGUIUtility.singleLineHeight);
+            var rectList = new Rect(0.0f, rectTools.yMax, position.width, position.height - rectTools.height);
+            
+            viewTools.Initialize();
+            viewTools.Draw(this, rectTools, styles);
+
+            viewSearchList.Initialize();
+            viewSearchList.Draw(this, rectList, styles);
+
+            HandleClickEvent();
+        }
+
+        private void HandleClickEvent()
+        {
+            if (!HistoryGUIUtility.isClicked)
+                return;
+
+            HistoryList historyList = HistoryUtility.GetHistoryList();
+            Object obj = historyList.GetObject(HistoryGUIUtility.currentEntry);
+
+            if (obj != null)
+            {
+                HistoryListPostProcess.IgnoreNextSelectionChange();
+                Selection.activeObject = obj;
+                EditorGUIUtility.PingObject(obj);
+            }
+                
+            HistoryGUIUtility.Used();
+        }
+    }
+}

Editor/History/Window/EditorHistoryWindow.cs.meta

@@ -0,0 +1,11 @@
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Editor/History/Window/Styles.meta

@@ -0,0 +1,8 @@
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+guid: bcfcc9f9ab909284384fa64c41070bba
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+DefaultImporter:
+  externalObjects: {}
+  userData: 
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Editor/History/Window/Styles/Styles.cs

@@ -0,0 +1,32 @@
+using UnityEngine;
+
+namespace Game.NavigationTool.Editor.History
+{
+    internal sealed class Styles
+    {
+        public GUIStyle toolbox;
+
+        public GUIStyle entry;
+        public GUIStyle invalidEntry;
+        
+        private GUISkin skin;
+
+        public void Initialize(GUISkin skin)
+        {
+            if (this.skin == skin)
+                return;
+
+            this.skin = skin;
+            toolbox = new GUIStyle(skin.box);
+            
+            entry = new GUIStyle(skin.label);
+            entry.hover.textColor = entry.onHover.textColor = Color.white;
+            entry.active.textColor = entry.onActive.textColor = Color.yellow;
+            
+            invalidEntry = new GUIStyle(entry);
+            invalidEntry.normal.textColor = Color.red;
+            invalidEntry.hover.textColor = invalidEntry.onHover.textColor = new Color(1.0f, 0.3f, 0.3f);
+            invalidEntry.active.textColor = invalidEntry.onActive.textColor = new Color(1.0f, 0.0f, 0.5f);
+        }
+    }
+}

Editor/History/Window/Styles/Styles.cs.meta

@@ -0,0 +1,11 @@
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+guid: 39240bd81396c5d4dabe109523e9f8c6
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Editor/History/Window/Views.meta

@@ -0,0 +1,8 @@
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Editor/History/Window/Views/AbstractEditorHistoryView.cs

@@ -0,0 +1,10 @@
+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

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: e3d660bb77394c34884adc62cff3ac7c
+timeCreated: 1613305008

Editor/History/Window/Views/EditorHistoryViewSearchList.cs

@@ -0,0 +1,53 @@
+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

@@ -0,0 +1,11 @@
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+guid: 7b9e14bc776433a4482034c88a6c9ad5
+MonoImporter:
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+  defaultReferences: []
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+  assetBundleVariant: 

Editor/History/Window/Views/EditorHistoryViewTools.cs

@@ -0,0 +1,41 @@
+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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package.json

@@ -1,14 +1,16 @@
 {
   "name": "com.module.navigationtool",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "displayName": "Module.NavigationTool",
-  "description": "Support for navigation tools",
+  "description": "Support for navigation tools, like favorites and history",
   "unity": "2019.2",
   "unityRelease": "17f1",
   "dependencies": {
  },
  "keywords": [
-    "navigation"
+    "navigation",
+    "favorites",
+    "history"
   ],
   "author": {
     "name": "Anders Ejlersen",