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Assets/Plugins/SerializedCollections/Editor/Scripts/States/DefaultListState.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using static AYellowpaper.SerializedCollections.Editor.SerializedDictionaryDrawer;
+
+namespace AYellowpaper.SerializedCollections.Editor.States
+{
+    internal class DefaultListState : ListState
+    {
+        public override int ListSize => Drawer.ListProperty.minArraySize;
+
+        public DefaultListState(SerializedDictionaryInstanceDrawer serializedDictionaryDrawer) : base(serializedDictionaryDrawer)
+        {
+        }
+
+        public override void OnEnter()
+        {
+            Drawer.ReorderableList.draggable = true;
+        }
+
+        public override void OnExit()
+        {
+        }
+
+        public override ListState OnUpdate()
+        {
+            if (Drawer.SearchText.Length > 0)
+                return Drawer.SearchState;
+
+            return this;
+        }
+
+        public override void DrawElement(Rect rect, SerializedProperty property, DisplayType displayType)
+        {
+            SerializedDictionaryInstanceDrawer.DrawElement(rect, property, displayType);
+        }
+
+        public override SerializedProperty GetPropertyAtIndex(int index)
+        {
+            return Drawer.ListProperty.GetArrayElementAtIndex(index);
+        }
+
+        public override void RemoveElementAt(int index)
+        {
+            Drawer.ListProperty.DeleteArrayElementAtIndex(index);
+        }
+
+        public override void InserElementAt(int index)
+        {
+            Drawer.ListProperty.InsertArrayElementAtIndex(index);
+            Drawer.ListProperty.serializedObject.ApplyModifiedProperties();
+        }
+    }
+}

Assets/Plugins/SerializedCollections/Editor/Scripts/States/DefaultListState.cs.meta

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+  assetPath: Assets/Plugins/SerializedCollections/Editor/Scripts/States/DefaultListState.cs
+  uploadId: 632226

Assets/Plugins/SerializedCollections/Editor/Scripts/States/ListState.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using static AYellowpaper.SerializedCollections.Editor.SerializedDictionaryDrawer;
+
+namespace AYellowpaper.SerializedCollections.Editor.States
+{
+    internal abstract class ListState
+    {
+        public abstract int ListSize { get; }
+        public virtual string NoElementsText => "List is Empty.";
+
+        public readonly SerializedDictionaryInstanceDrawer Drawer;
+
+        public ListState(SerializedDictionaryInstanceDrawer serializedDictionaryDrawer)
+        {
+            Drawer = serializedDictionaryDrawer;
+        }
+
+        public abstract SerializedProperty GetPropertyAtIndex(int index);
+        public abstract ListState OnUpdate();
+        public abstract void OnEnter();
+        public abstract void OnExit();
+        public abstract void DrawElement(Rect rect, SerializedProperty property, DisplayType displayType);
+        public abstract void RemoveElementAt(int index);
+        public abstract void InserElementAt(int index);
+
+        public virtual float GetHeightAtIndex(int index, bool drawKeyAsList, bool drawValueAsList)
+        {
+            return SerializedDictionaryInstanceDrawer.CalculateHeightOfElement(GetPropertyAtIndex(index), drawKeyAsList, drawValueAsList);
+        }
+    }
+}

Assets/Plugins/SerializedCollections/Editor/Scripts/States/ListState.cs.meta

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+  packageVersion: 1.0.13
+  assetPath: Assets/Plugins/SerializedCollections/Editor/Scripts/States/ListState.cs
+  uploadId: 632226

Assets/Plugins/SerializedCollections/Editor/Scripts/States/SearchListState.cs

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+using AYellowpaper.SerializedCollections.Editor.Search;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using System.Linq;
+using System;
+using static AYellowpaper.SerializedCollections.Editor.SerializedDictionaryDrawer;
+
+namespace AYellowpaper.SerializedCollections.Editor.States
+{
+    internal class SearchListState : ListState
+    {
+        public override int ListSize => _searchResults.Count;
+        public override string NoElementsText => "No Results";
+        public bool OnlyShowMatchingValues { get; set; }
+
+        private string _lastSearch = string.Empty;
+        private List<SearchResultEntry> _searchResults = new List<SearchResultEntry>();
+        private HashSet<string> _foundProperties;
+        private Color _previousColor;
+
+        public SearchListState(SerializedDictionaryInstanceDrawer serializedDictionaryDrawer) : base(serializedDictionaryDrawer)
+        {
+        }
+
+        public override void DrawElement(Rect rect, SerializedProperty property, DisplayType displayType)
+        {
+            SerializedDictionaryInstanceDrawer.DrawElement(rect, property, displayType, BeforeDrawingProperty, AfterDrawingProperty);
+        }
+
+        private void BeforeDrawingProperty(SerializedProperty obj)
+        {
+            _previousColor = GUI.backgroundColor;
+            if (_foundProperties.Contains(obj.propertyPath))
+            {
+                GUI.backgroundColor = Color.blue;
+            }
+        }
+
+        private void AfterDrawingProperty(SerializedProperty obj)
+        {
+            GUI.backgroundColor = _previousColor;
+        }
+
+        public override void OnEnter()
+        {
+            Drawer.ReorderableList.draggable = false;
+            UpdateSearch();
+        }
+
+        public override void OnExit()
+        {
+        }
+
+        public override ListState OnUpdate()
+        {
+            if (Drawer.SearchText.Length == 0)
+                return Drawer.DefaultState;
+
+            UpdateSearch();
+
+            return this;
+        }
+
+        private void UpdateSearch()
+        {
+            if (_lastSearch != Drawer.SearchText)
+            {
+                _lastSearch = Drawer.SearchText;
+                PerformSearch(Drawer.SearchText);
+            }
+        }
+
+        public void PerformSearch(string searchString)
+        {
+            var query = new SearchQuery(Matchers.RegisteredMatchers);
+            query.SearchString = searchString;
+            _searchResults.Clear();
+            _searchResults.AddRange(query.ApplyToArrayProperty(Drawer.ListProperty));
+
+            _foundProperties = _searchResults.SelectMany(x => x.MatchingResults, (x, y) => y.Property.propertyPath).ToHashSet();
+        }
+
+        public override SerializedProperty GetPropertyAtIndex(int index)
+        {
+            return _searchResults[index].Property;
+        }
+
+        public override float GetHeightAtIndex(int index, bool drawKeyAsList, bool drawValueAsList)
+        {
+            return base.GetHeightAtIndex(index, drawKeyAsList, drawValueAsList);
+        }
+
+        public override void RemoveElementAt(int index)
+        {
+            var indexToDelete = _searchResults[index].Index;
+            Drawer.ListProperty.DeleteArrayElementAtIndex(indexToDelete);
+            PerformSearch(_lastSearch);
+        }
+
+        public override void InserElementAt(int index)
+        {
+            var indexToAdd = _searchResults[index].Index;
+            Drawer.ListProperty.InsertArrayElementAtIndex(indexToAdd);
+            PerformSearch(_lastSearch);
+        }
+    }
+}

Assets/Plugins/SerializedCollections/Editor/Scripts/States/SearchListState.cs.meta

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