1 files changed, 180 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Signals/TreeView/SignalReceiverItem.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Signals/TreeView/SignalReceiverItem.cs
new file mode 100644
index 0000000..a58b2fe
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Signals/TreeView/SignalReceiverItem.cs
@@ -0,0 +1,180 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor.IMGUI.Controls;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.Timeline;
+using Object = UnityEngine.Object;
+
+namespace UnityEditor.Timeline.Signals
+{
+    class SignalReceiverItem : TreeViewItem, ISignalAssetProvider
+    {
+        static readonly SignalEventDrawer k_EvtDrawer = new SignalEventDrawer();
+
+        readonly SerializedProperty m_Asset;
+        readonly SerializedProperty m_Evt;
+        readonly SignalReceiverTreeView m_TreeView;
+
+        int m_CurrentRowIdx;
+        SignalReceiver m_CurrentReceiver;
+
+        internal readonly bool enabled;
+        internal readonly bool readonlySignal;
+
+        internal const string SignalName = "SignalName";
+        internal const string SignalNameReadOnly = "SignalNameReadOnly";
+        internal const string SignalOptions = "SignalOptions";
+
+        public SignalReceiverItem(SerializedProperty signalAsset, SerializedProperty eventListEntry, int id, bool readonlySignal, bool enabled, SignalReceiverTreeView treeView)
+            : base(id, 0)
+        {
+            m_Asset = signalAsset;
+            m_Evt = eventListEntry;
+            this.enabled = enabled;
+            this.readonlySignal = readonlySignal;
+            m_TreeView = treeView;
+        }
+
+        public SignalAsset signalAsset
+        {
+            get { return m_CurrentReceiver.GetSignalAssetAtIndex(m_CurrentRowIdx); }
+            set
+            {
+                Undo.RecordObject(m_CurrentReceiver, Styles.UndoCreateSignalAsset);
+                m_CurrentReceiver.ChangeSignalAtIndex(m_CurrentRowIdx, value);
+                PrefabUtility.RecordPrefabInstancePropertyModifications(m_CurrentReceiver);
+            }
+        }
+
+        public float GetHeight()
+        {
+            return k_EvtDrawer.GetPropertyHeight(m_Evt, GUIContent.none);
+        }
+
+        public void Draw(Rect rect, int colIdx, int rowIdx, float padding, SignalReceiver target)
+        {
+            switch (colIdx)
+            {
+                case 0:
+                    DrawSignalNameColumn(rect, padding, target, rowIdx);
+                    break;
+                case 1:
+                    DrawReactionColumn(rect, rowIdx);
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException();
+            }
+        }
+
+        void DrawSignalNameColumn(Rect rect, float padding, SignalReceiver target, int rowIdx)
+        {
+            using (new EditorGUI.DisabledScope(!enabled))
+            {
+                if (!readonlySignal)
+                {
+                    m_CurrentRowIdx = rowIdx;
+                    m_CurrentReceiver = target;
+
+                    rect.x += padding;
+                    rect.width -= padding;
+                    rect.height = EditorGUIUtility.singleLineHeight;
+                    GUI.SetNextControlName(SignalName);
+                    SignalUtility.DrawSignalNames(this, rect, GUIContent.none, false);
+                }
+                else
+                {
+                    GUI.SetNextControlName(SignalNameReadOnly);
+                    var signalAsset = m_Asset.objectReferenceValue;
+                    GUI.Label(rect,
+                        signalAsset != null
+                        ? EditorGUIUtility.TempContent(signalAsset.name)
+                        : Styles.EmptySignalList);
+                }
+            }
+        }
+
+        void DrawReactionColumn(Rect rect, int rowIdx)
+        {
+            if (!readonlySignal)
+            {
+                var optionButtonSize = GetOptionButtonSize();
+                rect.width -= optionButtonSize.x;
+
+                var optionButtonRect = new Rect
+                {
+                    x = rect.xMax,
+                    y = rect.y,
+                    width = optionButtonSize.x,
+                    height = optionButtonSize.y
+                };
+                DrawOptionsButton(optionButtonRect, rowIdx, m_CurrentReceiver);
+            }
+
+            using (new EditorGUI.DisabledScope(!enabled))
+            {
+                var nameAsString = m_Asset.objectReferenceValue == null ? "Null" : m_Asset.objectReferenceValue.name;
+                using (var change = new EditorGUI.ChangeCheckScope())
+                {
+                    EditorGUI.PropertyField(rect, m_Evt, EditorGUIUtility.TempContent(nameAsString));
+                    if (change.changed)
+                        m_TreeView.dirty = true;
+                }
+            }
+        }
+
+        static Vector2 GetOptionButtonSize()
+        {
+            EditorGUIUtility.SetIconSize(Vector2.zero);
+            return EditorStyles.iconButton.CalcSize(EditorGUI.GUIContents.titleSettingsIcon);
+        }
+
+        void DrawOptionsButton(Rect rect, int rowIdx, SignalReceiver target)
+        {
+            GUI.SetNextControlName(SignalOptions);
+            if (EditorGUI.DropdownButton(rect, EditorGUI.GUIContents.titleSettingsIcon, FocusType.Passive, EditorStyles.iconButton))
+            {
+                var menu = new GenericMenu();
+                menu.AddItem(new GUIContent(Styles.SignalListDuplicateOption), false, () =>
+                {
+                    Undo.RecordObject(target, Styles.UndoDuplicateRow);
+                    var evtCloner = ScriptableObject.CreateInstance<UnityEventCloner>();
+                    evtCloner.evt = target.GetReactionAtIndex(rowIdx);
+                    var clone = Object.Instantiate(evtCloner);
+                    target.AddEmptyReaction(clone.evt);
+                    m_TreeView.dirty = true;
+                    PrefabUtility.RecordPrefabInstancePropertyModifications(target);
+
+                });
+                menu.AddItem(new GUIContent(Styles.SignalListDeleteOption), false, () =>
+                {
+                    Undo.RecordObject(target, Styles.UndoDeleteRow);
+                    target.RemoveAtIndex(rowIdx);
+                    m_TreeView.dirty = true;
+                    PrefabUtility.RecordPrefabInstancePropertyModifications(target);
+                });
+                menu.ShowAsContext();
+            }
+        }
+
+        IEnumerable<SignalAsset> ISignalAssetProvider.AvailableSignalAssets()
+        {
+            var ret = SignalManager.assets.Except(m_CurrentReceiver.GetRegisteredSignals());
+            return signalAsset == null ? ret : ret.Union(new List<SignalAsset> {signalAsset}).ToList();
+        }
+
+        void ISignalAssetProvider.CreateNewSignalAsset(string path)
+        {
+            var newSignalAsset = SignalManager.CreateSignalAssetInstance(path);
+            Undo.RecordObject(m_CurrentReceiver, Styles.UndoCreateSignalAsset);
+            m_CurrentReceiver.ChangeSignalAtIndex(m_CurrentRowIdx, newSignalAsset);
+            PrefabUtility.RecordPrefabInstancePropertyModifications(m_CurrentReceiver);
+        }
+
+        class UnityEventCloner : ScriptableObject
+        {
+            public UnityEvent evt;
+        }
+    }
+}