add: more stuffs

Scripts/Editor/CustomEditors/CollectionCustomEditor.cs

@@ -19,7 +19,6 @@
 
 namespace BrunoMikoski.ScriptableObjectCollections
 {
-
     [CustomEditor(typeof(ScriptableObjectCollection), true)]
     public class CollectionCustomEditor : Editor
     {
@@ -394,6 +393,12 @@ protected virtual void OnEnable()
         {
             collection = (ScriptableObjectCollection)target;
 
+            if (!CollectionsRegistry.Instance.HasUniqueGUID(collection))
+            {
+                collection.GenerateNewGUID();
+                collection.Clear();
+            }
+
             if (!CollectionsRegistry.Instance.IsKnowCollection(collection))
                 CollectionsRegistry.Instance.ReloadCollections();
 

Scripts/Editor/CustomEditors/MoveToCollectionWindow.cs

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace BrunoMikoski.ScriptableObjectCollections
+{
+    public class MoveToCollectionWindow : EditorWindow
+    {
+        private List<ISOCItem> itemsToMove;
+        private List<ScriptableObjectCollection> availableCollections;
+
+        public static void ShowWindow(List<ISOCItem> items, List<ScriptableObjectCollection> collections)
+        {
+            MoveToCollectionWindow window = GetWindow<MoveToCollectionWindow>("Move to Collection");
+            window.itemsToMove = items;
+            window.availableCollections = collections;
+            window.ShowPopup();
+        }
+
+        private void OnGUI()
+        {
+            EditorGUILayout.LabelField("Select a Collection to Move Items", EditorStyles.boldLabel);
+
+            if (availableCollections == null || availableCollections.Count == 0)
+            {
+                EditorGUILayout.LabelField("No available collections.");
+                return;
+            }
+
+            foreach (ScriptableObjectCollection collection in availableCollections)
+            {
+                if (GUILayout.Button(collection.name))
+                {
+                    foreach (ISOCItem item in itemsToMove)
+                    {
+                        SOCItemUtility.MoveItem(item, collection);
+                        EditorUtility.SetDirty(collection);
+                    }
+
+                    Close();
+                }
+            }
+        }
+    }
+}

Scripts/Editor/Processors/CollectionsAssetsPostProcessor.cs

@@ -29,30 +29,21 @@ static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAsse
                     ScriptableObject collectionItem =
                         AssetDatabase.LoadAssetAtPath<ScriptableObject>(importedAssetPath);
 
-                    if (collectionItem != null)
+                    if (collectionItem == null)
                     {
-                        if (collectionItem is ISOCItem socItem)
-                        {
-                            if (socItem.Collection == null)
-                            {
-                                continue;
-                            }
+                        continue;
+                    }
+
+                    if (collectionItem is not ISOCItem socItem)
+                    {
+                        continue;
+                    }
 
-                            if (!socItem.Collection.Contains(collectionItem))
-                            {
-                                if (socItem.Collection.TryGetItemByGUID(socItem.GUID, out _))
-                                {
-                                    Debug.LogWarning(
-                                        $"Collection already contains one item with the same GUID" +
-                                        $" ({socItem.GUID}) but different name ({socItem.name}), generating new GUID");
-                                    socItem.GenerateNewGUID();
-                                }
-
-                                socItem.Collection.Add(collectionItem);
-                                Debug.Log($"{collectionItem.name} has collection assigned "
-                                          + $"{socItem.Collection} but its missing from collection list, adding it");
-                            }
-                        }
+                    if (!CollectionsRegistry.Instance.HasUniqueGUID(socItem))
+                    {
+                        socItem.GenerateNewGUID();
+                        socItem.ClearCollection();
+                        Debug.LogWarning($"Item {socItem} GUID was not unique, generating a new one and clearing the collection");
                     }
                 }
 
@@ -64,6 +55,13 @@ static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAsse
                     if (collection == null)
                         continue;
 
+                    if (!CollectionsRegistry.Instance.HasUniqueGUID(collection))
+                    {
+                        collection.GenerateNewGUID();
+                        collection.Clear();
+                        Debug.LogWarning($"Collection {collection} GUID was not unique, generating a new one, and clearing the items");
+                    }
+
                     if (!CollectionsRegistry.Instance.IsKnowCollection(collection))
                     {
                         RefreshRegistry();
@@ -95,4 +93,4 @@ static void OnAfterScriptsReloading()
             RefreshRegistryAfterRecompilation = false;
         }
     }
-}
+}

Scripts/Editor/PropertyDrawers/CollectionReferenceLongGuidDrawer.cs

@@ -0,0 +1,29 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace BrunoMikoski.ScriptableObjectCollections.Picker
+{
+    [CustomPropertyDrawer(typeof(CollectionReferenceLongGuidAttribute))]
+    public class CollectionReferenceLongGuidDrawer : PropertyDrawer
+    {
+        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
+        {
+            return EditorGUIUtility.singleLineHeight;
+        }
+
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            LongGuid collectionGUID = (LongGuid)property.boxedValue;
+
+            ScriptableObjectCollection collection = null;
+            if (collectionGUID.IsValid())
+            {
+                collection = CollectionsRegistry.Instance.GetCollectionByGUID(collectionGUID);
+            }
+
+            EditorGUI.BeginDisabledGroup(true);
+            EditorGUI.ObjectField(position, "Collection", collection, typeof(ScriptableObjectCollection), false);
+            EditorGUI.EndDisabledGroup();
+        }
+    }
+}