Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/ApplyDefaultUndoAttribute.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace UnityEditor.Timeline.Actions
+{
+    /// <summary>
+    /// Use this attribute on action classes (<see cref="TimelineAction"/>,
+    /// <see cref="ClipAction"/>,
+    /// <see cref="MarkerAction"/> and
+    /// <see cref="TrackAction"/>)
+    /// to have the default undo behaviour applied.
+    ///
+    /// By default, applying this attribute will record all objects passed to the Execute method with the Undo system,
+    /// using the name of Action it is applied to.
+    ///
+    /// <example>
+    /// Simple track Action example (with context menu and shortcut support).
+    /// <code source="../../DocCodeExamples/TimelineAttributesExamples.cs" region="declare-applyDefaultUndoAttr" title="ApplyDefaultUndoAttr"/>
+    /// </example>
+    /// </summary>
+    /// <seealso cref="TimelineAction"/>
+    /// <seealso cref="TrackAction"/>
+    /// <seealso cref="ClipAction"/>
+    /// <seealso cref="MarkerAction"/>
+    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
+    public class ApplyDefaultUndoAttribute : Attribute
+    {
+        /// <summary>
+        /// The title of the action to appear in the undo history. If not specified, the name is taken from the DisplayName attribute,
+        /// or derived from the name of the class this attribute is applied to.
+        /// </summary>
+        public string UndoTitle;
+
+        /// <summary>Use this attribute on action classes to have the default undo behaviour applied.
+        /// </summary>
+        /// <param name="undoTitle">The title of the action to appear in the undo history.</param>
+        public ApplyDefaultUndoAttribute(string undoTitle = null)
+        {
+            UndoTitle = undoTitle;
+        }
+    }
+}

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/ApplyDefaultUndoAttribute.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: b46a1ab31b3043b88cc57df2167383ac
+timeCreated: 1590517869

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/UndoExtensions.cs

@@ -0,0 +1,160 @@
+using System.Collections.Generic;
+using UnityEditor.Timeline.Actions;
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+using Object = UnityEngine.Object;
+
+namespace UnityEditor.Timeline
+{
+    /// <summary>
+    /// Use this class to record the state of a timeline or its components prior to modification.
+    /// </summary>
+    /// <remarks>
+    /// These methods do not need to be used when adding or deleting tracks, clips or markers.
+    /// Methods in the UnityEngine.Timeline namespace, such as <see cref="UnityEngine.Timeline.TimelineAsset.CreateTrack"/>
+    /// or <see cref="UnityEngine.Timeline.TrackAsset.CreateDefaultClip"/> will apply the appropriate
+    /// Undo calls when called in Editor.
+    /// </remarks>
+    public static class UndoExtensions
+    {
+        /// <summary>
+        /// Records all items contained in an action context. Use this method to record all objects
+        /// inside the context.
+        /// </summary>
+        /// <param name="context">The action context to record into the Undo system.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterContext(ActionContext context, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+            {
+                undo.Add(context.tracks);
+                undo.Add(context.clips, true);
+                undo.Add(context.markers);
+            }
+        }
+
+        /// <summary>
+        /// Records any changes done on the timeline after being called. This only applies
+        /// to the timeline asset properties itself, and not any of the tracks or clips on the timeline
+        /// </summary>
+        /// <param name="asset">The timeline asset being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterTimeline(TimelineAsset asset, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+                undo.AddObject(asset);
+        }
+
+        /// <summary>
+        /// Records any changes done on the timeline after being called, including any changes
+        ///  to any clips, tracks and markers that occur on the timeline.
+        /// </summary>
+        /// <param name="asset">The timeline asset being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterCompleteTimeline(TimelineAsset asset, string undoTitle)
+        {
+            if (asset == null)
+                return;
+
+            using (var undo = new UndoScope(undoTitle))
+            {
+                undo.AddObject(asset);
+                undo.Add(asset.flattenedTracks);
+                foreach (var t in asset.flattenedTracks)
+                {
+                    undo.Add(t.GetClips(), true);
+                    undo.Add(t.GetMarkers());
+                }
+            }
+        }
+
+        /// <summary>
+        /// Records any changes done on the track after being called, including any changes
+        ///  to clips on the track, but not on markers or PlayableAssets attached to the clips.
+        /// </summary>
+        /// <param name="asset">The timeline track being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterTrack(TrackAsset asset, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+                undo.AddObject(asset);
+        }
+
+        /// <summary>
+        /// Records any changes done on the tracks after being called, including any changes
+        ///  to clips on the tracks, but not on markers or PlayableAssets attached to the clips.
+        /// </summary>
+        /// <param name="tracks">The timeline track being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterTracks(IEnumerable<TrackAsset> tracks, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+                undo.Add(tracks);
+        }
+
+        /// <summary>
+        /// Records any changes done on the clip after being called.
+        /// </summary>
+        /// <param name="clip">The timeline clip being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        /// <param name="includePlayableAsset">Set this value to true to also record changes on the attached playable asset.</param>
+        public static void RegisterClip(TimelineClip clip, string undoTitle, bool includePlayableAsset = true)
+        {
+            using (var undo = new UndoScope(undoTitle))
+            {
+                undo.AddClip(clip, includePlayableAsset);
+            }
+        }
+
+        /// <summary>
+        /// Records any changes done on the PlayableAsset after being called.
+        /// </summary>
+        /// <param name="asset">The timeline track being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterPlayableAsset(PlayableAsset asset, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+                undo.AddObject(asset);
+        }
+
+        /// <summary>
+        /// Records any changes done on the clips after being called.
+        /// </summary>
+        /// <param name="clips">The timeline clips being modified.</param>
+        /// <param name="name">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        /// <param name="includePlayableAssets">Set this value to true to also record changes on the attached playable assets.</param>
+        public static void RegisterClips(IEnumerable<TimelineClip> clips, string name, bool includePlayableAssets = true)
+        {
+            using (var undo = new UndoScope(name))
+                undo.Add(clips, includePlayableAssets);
+        }
+
+        /// <summary>
+        /// Records any changes done on the Timeline Marker after being called.
+        /// </summary>
+        /// <param name="marker">The timeline clip being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterMarker(IMarker marker, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+            {
+                if (marker is Object o)
+                    undo.AddObject(o);
+                else if (marker != null)
+                    undo.AddObject(marker.parent);
+            }
+        }
+
+        /// <summary>
+        /// Records any changes done on the Timeline Markers after being called.
+        /// </summary>
+        /// <param name="markers">The timeline clip being modified.</param>
+        /// <param name="undoTitle">The title of the action to appear in the undo history (i.e. visible in the undo menu).</param>
+        public static void RegisterMarkers(IEnumerable<IMarker> markers, string undoTitle)
+        {
+            using (var undo = new UndoScope(undoTitle))
+                undo.Add(markers);
+        }
+    }
+}

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/UndoExtensions.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3484c53050e20474bb37d3808245721a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/UndoScope.cs

@@ -0,0 +1,85 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine.Timeline;
+using Object = UnityEngine.Object;
+
+namespace UnityEditor.Timeline
+{
+    /// <summary>
+    /// Disposable scope object used to collect multiple items for Undo.
+    ///     Automatically filters out duplicates
+    /// </summary>
+    struct UndoScope : IDisposable
+    {
+        private static readonly HashSet<UnityEngine.Object> s_ObjectsToUndo = new HashSet<Object>();
+        private string m_Name;
+
+        public UndoScope(string name)
+        {
+            m_Name = name;
+        }
+
+        public void Dispose()
+        {
+            ApplyUndo(m_Name);
+        }
+
+        public void AddObject(UnityEngine.Object asset)
+        {
+            if (asset != null)
+                s_ObjectsToUndo.Add(asset);
+        }
+
+        public void AddClip(TimelineClip clip, bool includeAsset)
+        {
+            if (clip != null && clip.GetParentTrack() != null)
+                s_ObjectsToUndo.Add(clip.GetParentTrack());
+            if (includeAsset && clip != null && clip.asset != null)
+                s_ObjectsToUndo.Add(clip.asset);
+        }
+
+        public void Add(IEnumerable<TrackAsset> tracks)
+        {
+            if (tracks == null)
+                return;
+
+            foreach (var track in tracks)
+                AddObject(track);
+        }
+
+        public void Add(IEnumerable<TimelineClip> clips, bool includeAssets)
+        {
+            if (clips == null)
+                return;
+
+            foreach (var clip in clips)
+            {
+                AddClip(clip, includeAssets);
+            }
+        }
+
+        public void Add(IEnumerable<IMarker> markers)
+        {
+            if (markers == null)
+                return;
+
+            foreach (var marker in markers)
+            {
+                if (marker is Object o)
+                    AddObject(o);
+                else if (marker != null)
+                    AddObject(marker.parent);
+            }
+        }
+
+        private static void ApplyUndo(string name)
+        {
+            if (s_ObjectsToUndo.Count == 1)
+                TimelineUndo.PushUndo(s_ObjectsToUndo.First(), name);
+            else if (s_ObjectsToUndo.Count > 1)
+                TimelineUndo.PushUndo(s_ObjectsToUndo.ToArray(), name);
+            s_ObjectsToUndo.Clear();
+        }
+    }
+}

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Undo/UndoScope.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: ef85e74dfd3749279eff9e7fbfbaf3f8
+timeCreated: 1590436732