Scene/Project Comments (#23)

* Base Work

* Comments in scene base work

* Comments Browser Window

* Updated Icon / List / Editor

* Filtering Comments + UsePOV

* GUI Styling

* Tweak Priorities

* Work on Labels

* Code cleanup

* Comment Editor

* Work on threads

* Formatting/Editring Messages

* Polishing UI

* Refactor comments to fix serialization

* Better property management, added filtering by name

* Refactored focus

* String filter

* Message UI fixes + edit button fix

* Handled Scene Change

* Updated Changelog

* Align with view button

* Add new Comment Button + Manage on Delete

* Toggle Preferences

* Comments are displayed as edit mode upon creation.

* Comment Assets

* Fixed Accessibility / Script Compilation

* Sorting Columns

* Added Priority Column

CHANGELOG.md

 * Added Rigs to **Ingredients Explorer** : that view summarizes currently loaded rigs, and groups them in update groups.
 * Added abstract `PingableEditor` class for MonoBehaviours that can be Pinged to stand out in the inspector.
 * Added Help items in Menu, Added HelpURL class attributes
+* Feature: Scene Comments
 
 ## 2020.2.2
 

Editor/AdvancedHierarchyView/AdvancedHierarchyView.cs

 using UnityEngine.Playables;
 using System.Linq;
 using System.Reflection;
+using GameplayIngredients.Comments;
 
 namespace GameplayIngredients.Editor
 {
             RegisterComponentType( typeof(Text), "Text Icon");
             RegisterComponentType( typeof(Button), "Button Icon");
             RegisterComponentType( typeof(Folder), "Folder Icon");
+            RegisterComponentType( typeof(SceneComment), "Packages/net.peeweek.gameplay-ingredients/Icons/Misc/ic-comment.png");
-            foreach(var assembly in AppDomain.CurrentDomain.GetAssemblies())
+            foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
             {
                 try
                 {
             var c = GUI.color;
 
             bool isFolder = o.GetComponent<Folder>() != null;
+            bool isComment = o.GetComponent<SceneComment>() != null;
-            if(isFolder)
+            if(isFolder || isComment)
-                DrawIcon(fullRect, Contents.GetContent(typeof(Folder)), o.GetComponent<Folder>().Color);
+                if (isFolder)
+                    DrawIcon(fullRect, Contents.GetContent(typeof(Folder)), o.GetComponent<Folder>().Color);
+                else
+                    DrawIcon(fullRect, Contents.GetContent(typeof(SceneComment)), Color.white);
             }
             else
             {

Editor/SceneViewToolbar.cs

 using UnityEngine;
 using UnityEditor;
 using System;
+using GameplayIngredients.Comments.Editor;
 
 namespace GameplayIngredients.Editor
 {
                         EditorWindow.GetWindow<CheckWindow>();
                     }
 
+                    // Comments Window
+                    GUILayout.Space(16);
+                    if (GUILayout.Button(Contents.commentsWindow, EditorStyles.toolbarButton))
+                    {
+                        CommentsWindow.Open();
+                    }
+                    if (GUILayout.Button(Contents.addComment, EditorStyles.toolbarButton))
+                    {
+                        SceneCommentEditor.CreateComment();
+                    }
+
                     // Custom Code here
                     if (OnSceneViewToolbarGUI != null)
                         OnSceneViewToolbarGUI.Invoke(sceneView);
                     GUILayout.Space(96);
-
                 }
             }
 
             public static GUIContent linkGameView;
             public static GUIContent linkGameViewCinemachine;
             public static GUIContent checkWindow;
+            public static GUIContent commentsWindow;
+            public static GUIContent addComment;
 
             static Contents()
             {
 
                 checkWindow = new GUIContent(EditorGUIUtility.IconContent("Valid"));
                 checkWindow.text = "Check";
+
+                commentsWindow = new GUIContent(EditorGUIUtility.IconContent("console.infoicon.inactive.sml"));
+                commentsWindow.text = "Comments";
+
+                addComment = new GUIContent("+");
             }
         }
 

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+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/GUIUtils.cs

+using UnityEngine;
+using UnityEditor;
+
+namespace GameplayIngredients
+{
+    static class GUIUtils
+    {
+        public static void ColoredLabel(string text, Color color)
+        {
+            GUIContent label = new GUIContent(text);
+            Rect r = GUILayoutUtility.GetRect(label, Styles.coloredLabel);
+            EditorGUI.DrawRect(r, color);
+            var r2 = new RectOffset(1, 1, 1, 1).Remove(r);
+            EditorGUI.DrawRect(r2, color * new Color(.5f, .5f, .5f, 1f));
+            GUI.contentColor = color * 2;
+            GUI.Label(r, label, Styles.coloredLabel);
+            GUI.contentColor = Color.white;
+        }
+
+        static class Styles
+        {
+            public static GUIStyle coloredLabel;
+            static Styles()
+            {
+                coloredLabel = new GUIStyle(EditorStyles.label);
+                coloredLabel.fontStyle = FontStyle.Bold;
+                coloredLabel.fontSize = 10;
+                coloredLabel.padding = new RectOffset(6, 6, 2, 2);
+            }
+        }
+    }
+}
+
+

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Runtime/Comments.meta

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+DefaultImporter:
+  externalObjects: {}
+  userData: 
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+  assetBundleVariant: 

Editor/Comments/CommentAsset.cs

+using GameplayIngredients.Editor;
+using UnityEngine;
+using UnityEditor;
+
+namespace GameplayIngredients.Comments.Editor
+{
+    class CommentAsset : ScriptableObject
+    {
+        public Comment comment => m_Comment;
+
+        [SerializeField]
+        Comment m_Comment;
+
+        [SerializeField, HideInInspector]
+        public bool firstTimeEdit;
+
+        private void Reset()
+        {
+            SetDefault();
+            firstTimeEdit = true;
+        }
+         
+        public void SetDefault()
+        {
+            m_Comment.title = "New Comment";
+            m_Comment.message.body = "This is a new Comment, it can describe a problem in the scene, a note to the attention of other user, or a bug encountered.";
+            m_Comment.message.from = Comment.currentUser;
+            m_Comment.message.type = CommentType.Info;
+            m_Comment.message.priority = CommentPriority.Low;
+            m_Comment.message.state = CommentState.Open;
+        }
+
+        [MenuItem("Assets/Create/Comment")]
+        static void CreateAsset()
+        {
+            AssetFactory.CreateAssetInProjectWindow<CommentAsset>("Packages/net.peeweek.gameplay-ingredients/Icons/Misc/ic-comment.png", "New Comment.asset");
+        }
+
+    }
+}
+

Editor/Comments/CommentAsset.cs.meta

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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/Comments/CommentAssetEditor.cs

+using UnityEditor;
+using UnityEngine;
+
+namespace GameplayIngredients.Comments.Editor
+{
+    [CustomEditor(typeof(CommentAsset))]
+    public class CommentAssetEditor : UnityEditor.Editor
+    {
+        [SerializeField]
+        CommentAsset commentAsset;
+        [SerializeField]
+        SerializedProperty m_Comment;
+
+        [SerializeField]
+        CommentEditor m_CommentEditor;
+
+        public static void RequestEdit() { m_NeedEditNext = true; }
+        public static bool m_NeedEditNext = false;
+
+        private void OnEnable()
+        {
+            UpdateComment();
+            if (commentAsset.comment.focus)
+                EditorGUIUtility.PingObject(commentAsset);
+        }
+
+        void UpdateComment()
+        {
+            if (m_Comment == null)
+                m_Comment = serializedObject.FindProperty("m_Comment");
+
+            if (m_CommentEditor == null)
+                m_CommentEditor = new CommentEditor(serializedObject, m_Comment, true);
+
+            commentAsset = (serializedObject.targetObject as CommentAsset);
+
+            if (commentAsset.firstTimeEdit)
+                RequestEdit();
+        }
+
+        public override void OnInspectorGUI()
+        {
+            UpdateComment();
+            GUILayout.Space(4);
+            m_CommentEditor.DrawComment(commentAsset.comment, m_NeedEditNext);
+
+            if (m_NeedEditNext)
+            {
+                m_NeedEditNext = false;
+                commentAsset.firstTimeEdit = false;
+            }
+
+            GUILayout.Space(16);
+        }
+
+    }
+}

Editor/Comments/CommentAssetEditor.cs.meta

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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/Comments/CommentEditor.cs

+using GameplayIngredients.Editor;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.Experimental.Rendering;
+
+namespace GameplayIngredients.Comments.Editor
+{
+    public class CommentEditor
+    {
+        SerializedObject serializedObject;
+        SerializedProperty rootMessage;
+        SerializedProperty replies;
+        SerializedProperty title;
+        SerializedProperty focus;
+        string editMessagePath;
+
+        bool editRoot => editMessagePath == rootMessage.propertyPath;
+        bool m_IsAsset;
+        public CommentEditor(SerializedObject serializedObject, SerializedProperty comment, bool isAsset = false)
+        {
+            this.serializedObject = serializedObject;
+            title = comment.FindPropertyRelative("title");
+            rootMessage = comment.FindPropertyRelative("message");
+            replies = comment.FindPropertyRelative("replies");
+            focus = comment.FindPropertyRelative("focus");
+            m_IsAsset = isAsset;
+        }
+
+        public bool DrawEditButton(bool edit)
+        {
+            return GUILayout.Toggle(edit, edit ? "Close" : "Edit", EditorStyles.miniButton, GUILayout.Width(64));
+        }
+
+        public void DrawComment(Comment comment, bool requireEdit = false)
+        {
+            if(requireEdit)
+            {
+                editMessagePath = rootMessage.propertyPath;
+                requireEdit = false;
+            }
+
+            using (new GUILayout.HorizontalScope())
+            {
+                TypeLabel(comment.computedType);
+                StateLabel(comment.computedState);
+                PriorityLabel(comment.computedPriority);
+
+                GUILayout.FlexibleSpace();
+                EditorGUI.BeginChangeCheck();
+                EditorGUI.BeginDisabledGroup(comment.message.from != CommentsWindow.user);
+                bool editRoot = DrawEditButton(this.editRoot);
+                EditorGUI.EndDisabledGroup();
+                if(EditorGUI.EndChangeCheck())
+                {
+                    if (editRoot)
+                        editMessagePath = rootMessage.propertyPath;
+                    else
+                        editMessagePath = string.Empty;
+                }
+            }
+
+            GUILayout.Space(6);
+
+            if(editRoot)
+            {
+                serializedObject.Update();
+                EditorGUILayout.PropertyField(title);
+                using(new GUILayout.HorizontalScope())
+                {
+                    EditorGUILayout.PropertyField(focus);
+
+                    if(!m_IsAsset && GUILayout.Button("Align to SceneView", GUILayout.ExpandWidth(true)))
+                    {
+                        focus.boolValue = true;
+                        if(SceneView.lastActiveSceneView != null)
+                        {
+                            SceneComment c = serializedObject.targetObject as SceneComment;
+                            c.gameObject.transform.position = SceneView.lastActiveSceneView.camera.transform.position;
+                            c.gameObject.transform.rotation = SceneView.lastActiveSceneView.camera.transform.rotation;
+                        }
+                    }
+                }
+                serializedObject.ApplyModifiedProperties();
+                CommentsWindow.RequestRefresh();
+            }
+            else
+            {
+                GUILayout.Space(8);
+
+                using (new GUILayout.HorizontalScope())
+                {
+                    GUILayout.Label(CommentEditor.GetPriorityContent(" " + title.stringValue, comment.computedPriority), Styles.title);
+                    GUILayout.FlexibleSpace();
+                }
+            }
+
+            GUILayout.Space(6);
+            DrawMessage(rootMessage, -1);
+            int replyCount = replies.arraySize;
+            using(new GUILayout.HorizontalScope())
+            {
+                GUILayout.Space(16);
+                using(new GUILayout.VerticalScope())
+                {
+                    for (int i = 0; i < replyCount; i++)
+                    {
+                        DrawMessage(replies.GetArrayElementAtIndex(i), i);
+                    }
+                }
+            }
+        }
+
+        void DrawMessage(SerializedProperty message, int replyIndex)
+        {
+            using(new EditorGUILayout.VerticalScope(Styles.message))
+            {
+                SerializedProperty body = message.FindPropertyRelative("body");
+                SerializedProperty URL = message.FindPropertyRelative("URL");
+                SerializedProperty from = message.FindPropertyRelative("from");
+                SerializedProperty targets = message.FindPropertyRelative("attachedObjects");
+                SerializedProperty changeType = message.FindPropertyRelative("changeType");
+                SerializedProperty changeState = message.FindPropertyRelative("changeState");
+                SerializedProperty changePriority = message.FindPropertyRelative("changePriority");
+                SerializedProperty type = message.FindPropertyRelative("type");
+                SerializedProperty state = message.FindPropertyRelative("state");
+                SerializedProperty priority = message.FindPropertyRelative("priority");
+
+                if (editMessagePath == message.propertyPath)
+                {
+                    message.serializedObject.Update();
+                    EditorGUILayout.LabelField("Edit Message", EditorStyles.boldLabel);
+                    EditorGUILayout.PropertyField(body);
+                    EditorGUILayout.PropertyField(URL);
+                    EditorGUILayout.PropertyField(from);
+                    using (new EditorGUI.IndentLevelScope(1))
+                    {
+                        EditorGUILayout.PropertyField(targets);
+                    }
+
+                    if(replyIndex >= 0)
+                    {
+                        EditorGUILayout.PropertyField(changeType);
+                        EditorGUILayout.PropertyField(changeState);
+                        EditorGUILayout.PropertyField(changePriority);
+                    }
+
+                    if(changeType.boolValue || replyIndex == -1)
+                        EditorGUILayout.PropertyField(type);
+                    if (changeState.boolValue || replyIndex == -1)
+                        EditorGUILayout.PropertyField(state);
+                    if (changePriority.boolValue || replyIndex == -1)
+                        EditorGUILayout.PropertyField(priority);
+
+                    using (new GUILayout.HorizontalScope())
+                    {
+                        GUILayout.FlexibleSpace();
+                        if (editMessagePath == message.propertyPath && GUILayout.Button("Apply", Styles.miniButton))
+                        {
+                            editMessagePath = string.Empty;
+                        }
+                        if (replyIndex == replies.arraySize - 1 && from.stringValue == CommentsWindow.user && GUILayout.Button("Delete", Styles.miniButton))
+                        {
+                            replies.serializedObject.Update();
+                            replies.DeleteArrayElementAtIndex(replyIndex);
+                            replies.serializedObject.ApplyModifiedProperties();
+                            CommentsWindow.RequestRefresh();
+
+                        }
+                    }
+                    GUILayout.Space(2);
+                    message.serializedObject.ApplyModifiedProperties();
+                    CommentsWindow.RequestRefresh();
+
+                }
+                else // Display Message
+                {
+                    using (new GUILayout.HorizontalScope())
+                    {
+                        GUILayout.Label($"<b>From:</b> <color={(from.stringValue == CommentsWindow.user ? "lime" : "white")}><b>{from.stringValue}</b></color>", Styles.from);
+                        GUILayout.FlexibleSpace();
+
+                        if (replyIndex > -1 && from.stringValue == CommentsWindow.user 
+                            && GUILayout.Button(Styles.edit, Styles.miniButton, GUILayout.Width(32)))
+                        {
+                            editMessagePath = message.propertyPath;
+                        }
+                        if (GUILayout.Button(Styles.reply, Styles.miniButton, GUILayout.Width(32)))
+                        {
+                            replies.serializedObject.Update();
+                            int index = replies.arraySize;
+                            replies.InsertArrayElementAtIndex(index);
+                            var reply = replies.GetArrayElementAtIndex(index);
+                            editMessagePath = reply.propertyPath;
+                            reply.FindPropertyRelative("body").stringValue = string.Empty;
+                            reply.FindPropertyRelative("URL").stringValue = string.Empty;
+                            reply.FindPropertyRelative("from").stringValue = CommentsWindow.user;
+                            reply.FindPropertyRelative("attachedObjects").ClearArray();
+                            replies.serializedObject.ApplyModifiedProperties();
+                            CommentsWindow.RequestRefresh();
+                        }
+                    }
+                    EditorGUILayout.Space();
+                    EditorGUILayout.LabelField(body.stringValue, Styles.multiline);
+
+                    if (!string.IsNullOrEmpty(URL.stringValue))
+                    {
+                        GUILayout.Space(12);
+
+                        GUILayout.Label("URL:", EditorStyles.boldLabel, GUILayout.Width(32));
+                        Color b = GUI.backgroundColor;
+                        GUI.backgroundColor = new Color(0, 0, 0, 0.2f);
+                        if (GUILayout.Button($"<color=#44AAFFFF>{URL.stringValue}</color>", Styles.link))
+                        {
+                            Application.OpenURL(URL.stringValue);
+                        }
+                        GUI.backgroundColor = b;
+
+                    }
+
+                    if (targets.arraySize > 0)
+                    {
+                        GUILayout.Space(12);
+                        EditorGUILayout.LabelField("Attached Objects:", EditorStyles.boldLabel);
+                        EditorGUI.BeginDisabledGroup(true);
+                        for (int i = 0; i < targets.arraySize; i++)
+                        {
+                            EditorGUILayout.ObjectField(targets.GetArrayElementAtIndex(i));
+                        }
+                        EditorGUI.EndDisabledGroup();
+                    }
+
+                    if(replyIndex == -1 
+                        || changeType.boolValue 
+                        || changeState.boolValue
+                        || changePriority.boolValue)
+                    {
+                        GUILayout.Space(12);
+                        using (new GUILayout.HorizontalScope())
+                        {
+                            GUILayout.Label("<b>Set Properties :</b>", Styles.multiline);
+                            if (replyIndex == -1 || changeType.boolValue)
+                                TypeLabel((CommentType)type.intValue);
+
+                            if (replyIndex == -1 || changeState.boolValue)
+                                StateLabel((CommentState)state.intValue);
+
+                            if (replyIndex == -1 || changePriority.boolValue)
+                                PriorityLabel((CommentPriority)priority.intValue);
+
+                            GUILayout.FlexibleSpace();
+                        }
+
+                    }
+
+
+                    
+                }
+            }
+            GUI.contentColor = Color.white;
+        }
+
+        void Separator()
+        {
+            Rect r = GUILayoutUtility.GetRect(0, 1, GUILayout.ExpandWidth(true));
+            EditorGUI.DrawRect(r, Color.gray);
+        }
+
+        public static Color GetTypeColor(CommentType type)
+        {
+            float sat = 0.3f;
+            float v = 1f;
+            switch (type)
+            {
+
+                default:
+                case CommentType.Info:
+                    return Color.HSVToRGB(0.4f, 0, v);
+                case CommentType.Bug:
+                    return Color.HSVToRGB(0.05f, sat, v);
+                case CommentType.Request:
+                    return Color.HSVToRGB(0.15f, sat, v);
+                case CommentType.ToDo:
+                    return Color.HSVToRGB(0.25f, sat, v);
+            }
+        }
+
+        public static Color GetStateColor(CommentState state)
+        {
+            float sat = 0.8f;
+            float v = 1f;
+            switch (state)
+            {
+                default:
+                case CommentState.Open:
+                    return Color.HSVToRGB(0.3f, sat, v);
+                case CommentState.Blocked:
+                    return Color.HSVToRGB(0.05f, sat, v);
+                case CommentState.Resolved:
+                    return Color.HSVToRGB(0.5f, sat, v);
+                case CommentState.WontFix:
+                    return Color.HSVToRGB(0.05f, sat, v);
+                case CommentState.Closed:
+                    return Color.HSVToRGB(0.7f, 0f, v);
+            }
+        }
+
+        public static Color GetPriorityColor(CommentPriority priority)
+        {
+            float sat = 0.9f;
+            float v = 1f;
+            switch (priority)
+            {
+                default:
+                case CommentPriority.High:
+                    return Color.HSVToRGB(0.02f, sat, v);
+                case CommentPriority.Medium:
+                    return Color.HSVToRGB(0.15f, sat, v);
+                case CommentPriority.Low:
+                    return Color.HSVToRGB(0.3f, sat, v);
+            }
+        }
+
+        public static void TypeLabel(CommentType value)
+        {
+            GUIUtils.ColoredLabel(value.ToString(), GetTypeColor(value));
+        }
+
+        public static void StateLabel(CommentState value)
+        {
+            GUIUtils.ColoredLabel(value.ToString(), GetStateColor(value));
+        }
+
+        public static void PriorityLabel(CommentPriority value)
+        {
+            GUIUtils.ColoredLabel(value.ToString(), GetPriorityColor(value));
+        }
+
+        public static GUIContent GetPriorityContent(string text, CommentPriority priority)
+        {
+            return new GUIContent(text, GetPriorityTexture(priority));
+        }
+
+        public static Texture GetPriorityTexture(CommentPriority priority)
+        {
+            switch (priority)
+            {
+                case CommentPriority.High:
+                    return CheckResult.GetIcon(CheckResult.Result.Failed);
+                case CommentPriority.Medium:
+                    return CheckResult.GetIcon(CheckResult.Result.Warning);
+                default:
+                case CommentPriority.Low:
+                    return CheckResult.GetIcon(CheckResult.Result.Notice);
+            }
+        }
+
+
+        static class Styles
+        {
+            public static GUIStyle title;
+            public static GUIStyle from;
+            public static GUIStyle link;
+            public static GUIStyle multiline;
+            public static GUIStyle coloredLabel;
+            public static GUIStyle message;
+            public static GUIStyle miniButton;
+
+            public static GUIContent reply;
+            public static GUIContent edit;
+            static Styles()
+            {
+                title = new GUIStyle(EditorStyles.boldLabel);
+                title.fontSize = 16;
+
+                from = new GUIStyle(EditorStyles.label);
+                from.fontSize = 12;
+                from.richText = true;
+
+                link = new GUIStyle(EditorStyles.label);
+                link.fontSize = 12;
+                link.richText = true;
+                link.margin = new RectOffset(0, 0, 4, 4);
+                link.padding = new RectOffset(2, 2, 2, 2);
+                SetWhiteBG(link);
+
+                multiline = new GUIStyle(EditorStyles.label);
+                multiline.wordWrap = true;
+                multiline.richText = true;
+                multiline.fontSize = 13;
+
+                coloredLabel = new GUIStyle(EditorStyles.label);
+                coloredLabel.fontSize = 12;
+                coloredLabel.padding = new RectOffset(12, 12, 2, 2);
+
+                message = new GUIStyle(EditorStyles.helpBox);
+                SetWhiteBG(message);
+
+                miniButton = new GUIStyle(EditorStyles.miniButton);
+                miniButton.fontSize = 10;
+                miniButton.fixedHeight = 16;
+
+                SetWhiteBG(miniButton);
+
+                edit = new GUIContent(EditorGUIUtility.Load("Packages/net.peeweek.gameplay-ingredients/Icons/GUI/edit.png") as Texture);
+                reply = new GUIContent(EditorGUIUtility.Load("Packages/net.peeweek.gameplay-ingredients/Icons/GUI/reply.png") as Texture);
+            }
+
+            static Texture2D flat;
+
+            static void SetWhiteBG(GUIStyle style)
+            {
+                if(flat == null)
+                {
+                    flat = new Texture2D(1, 1, DefaultFormat.LDR, TextureCreationFlags.None);
+                    flat.SetPixel(0, 0, new Color(0.5f, 0.5f, 0.5f, 0.3f));
+                    flat.Apply();
+                }    
+                SetBGTexture(style, flat);
+            }
+            static void SetBGTexture(GUIStyle style, Texture2D texture)
+            {
+                style.onActive.background = texture;
+                style.active.background = texture;
+                style.onFocused.background = texture;
+                style.focused.background = texture;
+                style.onHover.background = texture;
+                style.hover.background = texture;
+                style.onNormal.background = texture;
+                style.normal.background = texture;
+            }
+        }
+    }
+}
+

Editor/Comments/CommentEditor.cs.meta

+fileFormatVersion: 2
+guid: c6a9a77cca5b7ac4ba42c73ad1cc400a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/Comments/CommentsWindow.cs

+using GameplayIngredients.Editor;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace GameplayIngredients.Comments.Editor
+{
+    public class CommentsWindow : EditorWindow
+    {
+        static CommentsWindow s_Instance;
+
+        [MenuItem("Window/Gameplay Ingredients/Comments")]
+        public static void Open()
+        {
+            s_Instance = EditorWindow.GetWindow<CommentsWindow>();
+        }
+
+        private void OnEnable()
+        {
+            titleContent = EditorGUIUtility.IconContent("console.infoicon.inactive.sml");
+            titleContent.text = "Comments";
+            minSize = new Vector2(680, 180);
+            Refresh();
+            EditorSceneManager.sceneOpened += EditorSceneManager_sceneOpened;
+            EditorSceneManager.sceneClosed += EditorSceneManager_sceneClosed;
+            EditorSceneSetup.onSetupLoaded += EditorSceneSetup_onSetupLoaded;
+            EditorSceneManager.sceneLoaded += SceneManager_sceneLoaded;
+            EditorSceneManager.sceneUnloaded += SceneManager_sceneUnloaded;      
+        }
+
+        private void EditorSceneSetup_onSetupLoaded(EditorSceneSetup setup)
+        {
+            Refresh();
+        }
+
+        private void EditorSceneManager_sceneClosed(Scene scene)
+        {
+            Refresh();
+        }
+
+        private void EditorSceneManager_sceneOpened(Scene scene, OpenSceneMode mode)
+        {
+            Refresh();
+        }
+
+        private void SceneManager_sceneUnloaded(Scene arg0)
+        {
+            Refresh();
+        }
+
+        private void SceneManager_sceneLoaded(Scene arg0, LoadSceneMode arg1)
+        {
+            Refresh();
+        }
+
+        private void OnDisable()
+        {
+            EditorSceneManager.sceneOpened -= EditorSceneManager_sceneOpened;
+            EditorSceneManager.sceneClosed -= EditorSceneManager_sceneClosed;
+            EditorSceneSetup.onSetupLoaded -= EditorSceneSetup_onSetupLoaded;
+            EditorSceneManager.sceneLoaded -= SceneManager_sceneLoaded;
+            EditorSceneManager.sceneUnloaded -= SceneManager_sceneUnloaded;
+        }
+
+        enum SortMode
+        {
+            None,
+            Name,
+            Description,
+            Location,
+            From,
+            Type,
+            Priority,
+            State
+        }
+
+        SortMode sortMode = SortMode.None;
+
+        public enum UserFilter
+        {
+            MyComments,
+            AllComments,
+        }
+
+        const string kPrefixPreference = "GameplayIngredients.Comments.";
+        static readonly string kUserFilterPreference = $"{kPrefixPreference}UserFilter";
+        static readonly string kUserPreference = $"{kPrefixPreference}User";
+
+        static UserFilter userFilter
+        {
+            get { return (UserFilter)EditorPrefs.GetInt(kUserFilterPreference, 0); }
+            set { EditorPrefs.SetInt(kUserFilterPreference, (int)value); }
+        }
+
+        [InitializeOnLoadMethod]
+        static void SetDefaultUser()
+        {
+            var user = EditorPrefs.GetString(kUserPreference, "");
+            if(user == "")
+            {
+                user = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
+            }
+        }
+
+        public static string user
+        {
+            get { return EditorPrefs.GetString(kUserPreference, ""); }
+            set { EditorPrefs.SetString(kUserPreference, value); }
+        }
+
+        bool GetShowPref(Enum item)
+        {
+            string name = $"{kPrefixPreference}.Show.{item.GetType().Name}.{item}";
+            return EditorPrefs.GetBool(name, true);
+        }
+
+        void SetShowPref(Enum item, bool value)
+        {
+            EditorPrefs.SetBool($"{kPrefixPreference}.Show.{item.GetType().Name}.{item}", value);
+        }
+
+        void ToggleShowPref(Enum item)
+        {
+            SetShowPref(item, !GetShowPref(item));
+        }
+
+        void MenuToggleShowPref(object item)
+        {
+            ToggleShowPref(item as Enum);
+        }
+
+        int highCount => results == null ? 0 : results.Count(o => o.Item1.computedPriority == CommentPriority.High);
+        int mediumCount => results == null ? 0 : results.Count(o => o.Item1.computedPriority == CommentPriority.Medium);
+        int lowCount => results == null ? 0 : results.Count(o => o.Item1.computedPriority == CommentPriority.Low);
+
+        string searchFilter;
+        Vector2 scrollPosition;
+
+        bool MatchFilter(UnityEngine.Object obj, Comment comment, string filter)
+        {
+            filter = filter.ToLowerInvariant();
+            return obj.name.Contains(filter)
+                || MatchFilter(comment, filter)
+                ;
+        }
+
+        bool MatchFilter(Comment comment, string filter)
+        {
+            return comment.title.ToLowerInvariant().Contains(filter)
+                || comment.users.Any(o => o.ToLowerInvariant().Contains(filter))
+                || MatchFilter(comment.message, filter)
+                || comment.replies.Any(m => MatchFilter(m, filter))
+                ;
+        }
+
+        bool MatchFilter(CommentMessage message, string filter)
+        {
+            return message.body.ToLowerInvariant().Contains(filter)
+                || message.from.ToLowerInvariant().Contains(filter)
+                || message.attachedObjects.Any(o => o.name.ToLowerInvariant().Contains(filter))
+                || message.URL.ToLowerInvariant().Contains(filter)
+                ;
+        }
+
+        private void OnGUI()
+        {
+            // Toolbar
+            using (new GUILayout.HorizontalScope(EditorStyles.toolbar))
+            {
+                if (GUILayout.Button("+", EditorStyles.toolbarButton, GUILayout.Width(24)))
+                {
+                    SceneCommentEditor.CreateComment();
+                    Refresh();
+                }
+
+                if (GUILayout.Button(EditorGUIUtility.IconContent("Refresh"), EditorStyles.toolbarButton, GUILayout.Width(24)))
+                    Refresh();
+
+                searchFilter = EditorGUILayout.DelayedTextField(searchFilter, EditorStyles.toolbarSearchField, GUILayout.ExpandWidth(true));
+                userFilter = (UserFilter)EditorGUILayout.EnumPopup(userFilter, EditorStyles.toolbarDropDown, GUILayout.Width(128));
+                if (GUILayout.Button("Type", EditorStyles.toolbarDropDown, GUILayout.Width(64)))
+                {
+                    var menu = new GenericMenu();
+                    menu.AddItem(new GUIContent(CommentType.Bug.ToString()), GetShowPref(CommentType.Bug), MenuToggleShowPref, CommentType.Bug);
+                    menu.AddItem(new GUIContent(CommentType.Info.ToString()), GetShowPref(CommentType.Info), MenuToggleShowPref, CommentType.Info);
+                    menu.AddItem(new GUIContent(CommentType.Request.ToString()), GetShowPref(CommentType.Request), MenuToggleShowPref, CommentType.Request);
+                    menu.AddItem(new GUIContent(CommentType.ToDo.ToString()), GetShowPref(CommentType.ToDo), MenuToggleShowPref, CommentType.ToDo);
+                    menu.DropDown(new Rect(position.width - 240, 10, 12, 12));
+                }
+                if (GUILayout.Button("State", EditorStyles.toolbarDropDown, GUILayout.Width(64)))
+                {
+                    var menu = new GenericMenu();
+                    menu.AddItem(new GUIContent(CommentState.Open.ToString()), GetShowPref(CommentState.Open), MenuToggleShowPref, CommentState.Open);
+                    menu.AddItem(new GUIContent(CommentState.Resolved.ToString()), GetShowPref(CommentState.Resolved), MenuToggleShowPref, CommentState.Resolved);
+                    menu.AddItem(new GUIContent(CommentState.Closed.ToString()), GetShowPref(CommentState.Closed), MenuToggleShowPref, CommentState.Closed);
+                    menu.AddItem(new GUIContent(CommentState.WontFix.ToString()), GetShowPref(CommentState.WontFix), MenuToggleShowPref, CommentState.WontFix);
+                    menu.AddItem(new GUIContent(CommentState.Blocked.ToString()), GetShowPref(CommentState.Blocked), MenuToggleShowPref, CommentState.Blocked);
+                    menu.DropDown(new Rect(position.width - 176, 10, 12, 12));
+                }
+                GUILayout.Space(16);
+
+                EditorGUI.BeginChangeCheck();
+                bool showHigh = GUILayout.Toggle(GetShowPref(CommentPriority.High), CommentEditor.GetPriorityContent(highCount.ToString(), CommentPriority.High), EditorStyles.toolbarButton, GUILayout.Width(32));
+                bool showMedium = GUILayout.Toggle(GetShowPref(CommentPriority.Medium), CommentEditor.GetPriorityContent(mediumCount.ToString(), CommentPriority.Medium), EditorStyles.toolbarButton, GUILayout.Width(32));
+                bool showLow = GUILayout.Toggle(GetShowPref(CommentPriority.Low), CommentEditor.GetPriorityContent(lowCount.ToString(), CommentPriority.Low), EditorStyles.toolbarButton, GUILayout.Width(32));
+                if(EditorGUI.EndChangeCheck())
+                {
+                    SetShowPref(CommentPriority.High, showHigh);
+                    SetShowPref(CommentPriority.Medium, showMedium);
+                    SetShowPref(CommentPriority.Low, showMedium);
+                }
+            }
+
+            GUI.backgroundColor = Color.white * 1.25f;
+
+            // Header
+            using (new GUILayout.HorizontalScope(EditorStyles.toolbar))
+            {
+                SortButton("Commment", SortMode.Name, 180);
+                SortButton("Description", SortMode.Description, position.width - 541);
+                SortButton("Location", SortMode.Location, 100);
+                SortButton("From", SortMode.From, 80);
+                SortButton("Type", SortMode.Type, 50);
+                SortButton("Priority", SortMode.Priority, 60);
+                SortButton("State", SortMode.State, 70);
+            }
+            GUI.backgroundColor = Color.white;
+            scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition);
+
+
+
+            int i = 0;
+            // Lines
+            foreach (var comment in results)
+            {
+                if(comment.Item2 == null)
+                {
+                    Refresh();
+                    break;
+                }
+
+                if(comment.Item2 is SceneComment)
+                {
+
+                    if (!DrawComment(comment.Item1, i, (comment.Item2 as SceneComment).gameObject))
+                        continue;
+                } 
+                else
+                {
+                    if (!DrawComment(comment.Item1, i, comment.Item2 as CommentAsset))
+                        continue;
+                }
+                i++;
+            }
+
+            EditorGUILayout.EndScrollView();
+        }
+
+        void SortButton(string label, SortMode mode, float width)
+        {
+            if (GUILayout.Button(label, sortMode == mode ? Styles.sortHeader : Styles.header, GUILayout.Width(width)))
+            {
+                if(Event.current.shift)
+                    sortMode = SortMode.None;
+                else if (sortMode != mode)
+                        sortMode = mode;
+            }
+            SortResults();
+        }
+
+        bool DrawComment(Comment comment, int index, UnityEngine.Object parent)
+        {
+            if (comment.computedState == CommentState.Open && !GetShowPref(CommentState.Open)) return false;
+            if (comment.computedState == CommentState.Resolved && !GetShowPref(CommentState.Resolved)) return false;
+            if (comment.computedState == CommentState.Blocked && !GetShowPref(CommentState.Blocked)) return false;
+            if (comment.computedState == CommentState.WontFix && !GetShowPref(CommentState.WontFix)) return false;
+            if (comment.computedState == CommentState.Closed && !GetShowPref(CommentState.Closed)) return false;
+
+            if (comment.computedType == CommentType.Bug && !GetShowPref(CommentType.Bug)) return false;
+            if (comment.computedType == CommentType.Info && !GetShowPref(CommentType.Info)) return false;
+            if (comment.computedType == CommentType.Request && !GetShowPref(CommentType.Request)) return false;
+            if (comment.computedType == CommentType.ToDo && !GetShowPref(CommentType.ToDo)) return false;
+
+            if (comment.computedPriority == CommentPriority.High && !GetShowPref(CommentPriority.High)) return false;
+            if (comment.computedPriority == CommentPriority.Medium && !GetShowPref(CommentPriority.Medium)) return false;
+            if (comment.computedPriority == CommentPriority.Low && !GetShowPref(CommentPriority.Low)) return false;
+
+            if (userFilter == UserFilter.MyComments && !comment.users.Contains(user))
+                return false;
+
+            if (!string.IsNullOrEmpty(searchFilter) && !MatchFilter(parent, comment, searchFilter))
+                return false;
+
+            GUI.backgroundColor = (index % 2 == 0) ? Color.white : Color.white * 0.9f;
+            using (new GUILayout.HorizontalScope(EditorStyles.toolbar))
+            {
+                if (GUILayout.Button(CommentEditor.GetPriorityContent(comment.title, comment.computedPriority), Styles.line, GUILayout.Width(180)))
+                    Selection.activeObject = parent;
+
+                GUILayout.Label(comment.message.body, Styles.line, GUILayout.Width(position.width - 541));
+                if(parent is GameObject)
+                    GUILayout.Label((parent as GameObject).scene.name, Styles.line, GUILayout.Width(100));
+                else
+                    GUILayout.Label((parent as CommentAsset).name, Styles.line, GUILayout.Width(100));
+
+                GUILayout.Label(comment.message.from, Styles.line, GUILayout.Width(80));
+                GUILayout.Label(comment.computedType.ToString(), Styles.line, GUILayout.Width(50));
+                GUILayout.Label(comment.computedPriority.ToString(), Styles.line, GUILayout.Width(60));
+                GUILayout.Label(comment.computedState.ToString(), Styles.line, GUILayout.Width(70));
+            }
+            return true;
+        }
+
+
+
+        List<Tuple<Comment, UnityEngine.Object>> results;
+
+        public static void RequestRefresh()
+        {
+            if (s_Instance != null)
+                s_Instance.Refresh();
+
+        }
+
+        void Refresh()
+        {
+            if (results == null)
+                results = new List<Tuple<Comment, UnityEngine.Object>>();
+            else
+                results.Clear();
+
+            foreach(var obj in Resources.FindObjectsOfTypeAll(typeof(SceneComment)))
+            {
+                results.Add(new Tuple<Comment, UnityEngine.Object>((obj as SceneComment).comment, obj));
+            }
+            foreach (var guid in AssetDatabase.FindAssets($"t:{typeof(CommentAsset).Name}"))
+            {
+                CommentAsset ca = AssetDatabase.LoadAssetAtPath<CommentAsset>(AssetDatabase.GUIDToAssetPath(guid));
+                results.Add(new Tuple<Comment, UnityEngine.Object>(ca.comment, ca));
+            }
+            SortResults();
+            Repaint();
+        }
+
+        void SortResults()
+        {
+            if (results == null)
+                return;
+            switch (sortMode)
+            {
+                case SortMode.None:
+                    break;
+                case SortMode.Name:
+                    results = results.OrderBy(o => o.Item2.name).ToList();
+                    break;
+                case SortMode.Description:
+                    results = results.OrderBy(o => o.Item1.title).ToList();
+                    break;
+                case SortMode.Location:
+                    results = results.OrderBy(o => o.Item2 is GameObject ? (o.Item2 as GameObject).scene.name : o.Item2.name ).ToList();
+                    break;
+                case SortMode.From:
+                    results = results.OrderBy(o => o.Item1.message.from).ToList();
+                    break;
+                case SortMode.Type:
+                    results = results.OrderBy(o => o.Item1.computedType).ToList();
+                    break;
+                case SortMode.Priority:
+                    results = results.OrderBy(o => o.Item1.computedPriority).ToList();
+                    break;
+                case SortMode.State:
+                    results = results.OrderBy(o => o.Item1.computedState).ToList();
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        static class Styles
+        {
+            public static GUIStyle header;
+            public static GUIStyle sortHeader;
+            public static GUIStyle line;
+            static Styles()
+            {
+                header = new GUIStyle(EditorStyles.toolbarButton);
+                header.alignment = TextAnchor.MiddleLeft;
+                header.fontStyle = FontStyle.Bold;
+
+                sortHeader = new GUIStyle(EditorStyles.toolbarDropDown);
+                sortHeader.alignment = TextAnchor.MiddleLeft;
+                sortHeader.fontStyle = FontStyle.Bold;
+
+                line = new GUIStyle(EditorStyles.toolbarButton);
+                line.padding = new RectOffset();
+                line.contentOffset = new Vector2(6, 2);
+                line.alignment = TextAnchor.UpperLeft;
+                line.wordWrap = false;
+            }
+        }
+
+
+        [SettingsProvider]
+        public static SettingsProvider CommentsPreferences()
+        {
+            return new SettingsProvider("Preferences/Gameplay Ingredients/Comments", SettingsScope.User)
+            {
+                label = "Comments",
+                guiHandler = (searchContext) =>
+                {
+                    user = EditorGUILayout.DelayedTextField("Project User Nickname", user);
+                }
+            };
+
+
+        }
+
+    }
+}

Editor/Comments/CommentsWindow.cs.meta

+fileFormatVersion: 2
+guid: 40737dcad5a16c842aab1be8a72b04ce
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Editor/Comments/SceneCommentEditor.cs

+using UnityEditor;
+using UnityEngine;
+
+namespace GameplayIngredients.Comments.Editor
+{
+    [CustomEditor(typeof(SceneComment))]
+    public class SceneCommentEditor : UnityEditor.Editor
+    {
+        [SerializeField]
+        SceneComment sceneComment;
+        [SerializeField]
+        SerializedProperty m_Comment;
+
+        [SerializeField]
+        CommentEditor m_CommentEditor;
+
+
+        public static void RequestEdit() { m_NeedEditNext = true; }
+        public static bool m_NeedEditNext = false;
+
+
+        private void OnEnable()
+        {
+            UpdateComment();
+            if(sceneComment.comment.focus && SceneView.lastActiveSceneView != null)
+                SceneView.lastActiveSceneView.AlignViewToObject(sceneComment.transform);
+        }
+
+        void UpdateComment()
+        {
+            if (m_Comment == null)
+                m_Comment = serializedObject.FindProperty("m_Comment");
+
+            if (m_CommentEditor == null)
+                m_CommentEditor = new CommentEditor(serializedObject, m_Comment);
+
+            sceneComment = (serializedObject.targetObject as SceneComment);
+        }
+
+        public override void OnInspectorGUI()
+        {
+            UpdateComment();
+            GUILayout.Space(4);
+            m_CommentEditor.DrawComment(sceneComment.comment, m_NeedEditNext);
+
+            if (m_NeedEditNext)
+                m_NeedEditNext = false;
+
+            GUILayout.Space(16);
+        }