From c55fba8ab2a1c9d3df65eda4a5a1e957f4aa1f78 Mon Sep 17 00:00:00 2001
From: Andrew Lee <alee14498@protonmail.com>
Date: Sun, 19 Apr 2020 17:19:32 -0400
Subject: Inital commit

---
 .../Editor/Animation/BindingTreeViewDataSource.cs  | 139 +++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 Library/PackageCache/com.unity.timeline@1.2.13/Editor/Animation/BindingTreeViewDataSource.cs

(limited to 'Library/PackageCache/com.unity.timeline@1.2.13/Editor/Animation/BindingTreeViewDataSource.cs')

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Animation/BindingTreeViewDataSource.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Animation/BindingTreeViewDataSource.cs
new file mode 100644
index 0000000..8118285
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Animation/BindingTreeViewDataSource.cs
@@ -0,0 +1,139 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEditor.IMGUI.Controls;
+using UnityEditor.Timeline;
+using UnityEngine;
+
+namespace UnityEditorInternal
+{
+    class BindingTreeViewDataSource : TreeViewDataSource
+    {
+        public const int RootID = int.MinValue;
+        public const int GroupID = -1;
+
+        AnimationClip m_Clip;
+        CurveDataSource m_CurveDataSource;
+
+        public BindingTreeViewDataSource(
+            TreeViewController treeView, AnimationClip clip, CurveDataSource curveDataSource)
+            : base(treeView)
+        {
+            m_Clip = clip;
+            showRootItem = false;
+            m_CurveDataSource = curveDataSource;
+        }
+
+        void SetupRootNodeSettings()
+        {
+            showRootItem = false;
+            SetExpanded(RootID, true);
+            SetExpanded(GroupID, true);
+        }
+
+        static string GroupName(EditorCurveBinding binding)
+        {
+            string property = AnimationWindowUtility.NicifyPropertyGroupName(binding.type, binding.propertyName);
+            if (!string.IsNullOrEmpty(binding.path))
+            {
+                property = binding.path + " : " + property;
+            }
+
+            int lastArrayIdx = property.LastIndexOf("Array.");
+            if (lastArrayIdx != -1)
+            {
+                property = property.Substring(0, lastArrayIdx - 1);
+            }
+            return property;
+        }
+
+        static string PropertyName(EditorCurveBinding binding, string arrayPrefixToRemove = "")
+        {
+            string propertyName = AnimationWindowUtility.GetPropertyDisplayName(binding.propertyName);
+            if (propertyName.Contains("Array"))
+            {
+                propertyName = propertyName.Replace("Array.", "");
+                propertyName = propertyName.Replace(arrayPrefixToRemove, "");
+                propertyName = propertyName.TrimStart('.');
+            }
+            return propertyName;
+        }
+
+        public override void FetchData()
+        {
+            if (m_Clip == null)
+                return;
+
+            var bindings = AnimationUtility.GetCurveBindings(m_Clip)
+                .Union(AnimationUtility.GetObjectReferenceCurveBindings(m_Clip))
+                .ToArray();
+
+            var results = bindings.GroupBy(p => GroupName(p), p => p, (key, g) => new
+            {
+                parent = key,
+                bindings = g.ToList()
+            }).OrderBy(t =>
+                {
+                    //Force transform order first
+                    if (t.parent == "Position") return -3;
+                    if (t.parent == "Rotation") return -2;
+                    if (t.parent == "Scale") return -1;
+                    return 0;
+                }).ThenBy(t => t.parent);
+
+            m_RootItem = new CurveTreeViewNode(RootID, null, "root", null)
+            {
+                children = new List<TreeViewItem>(1)
+            };
+
+            var groupingNode = new CurveTreeViewNode(GroupID, m_RootItem, m_CurveDataSource.groupingName, bindings)
+            {
+                children = new List<TreeViewItem>()
+            };
+
+            m_RootItem.children.Add(groupingNode);
+
+            foreach (var r in results)
+            {
+                var newNode = new CurveTreeViewNode(r.parent.GetHashCode(), groupingNode, r.parent, r.bindings.ToArray());
+                groupingNode.children.Add(newNode);
+                if (r.bindings.Count > 1)
+                {
+                    for (int b = 0; b < r.bindings.Count; b++)
+                    {
+                        if (newNode.children == null)
+                            newNode.children = new List<TreeViewItem>();
+
+                        var binding = r.bindings[b];
+                        var bindingNode = new CurveTreeViewNode(binding.GetHashCode(), newNode, PropertyName(binding, newNode.displayName), new[] {binding});
+                        newNode.children.Add(bindingNode);
+                    }
+                }
+            }
+
+            SetupRootNodeSettings();
+            m_NeedRefreshRows = true;
+        }
+
+        public void UpdateData()
+        {
+            m_TreeView.ReloadData();
+        }
+    }
+
+    class CurveTreeViewNode : TreeViewItem
+    {
+        EditorCurveBinding[] m_Bindings;
+
+        public EditorCurveBinding[] bindings
+        {
+            get { return m_Bindings; }
+        }
+
+        public CurveTreeViewNode(int id, TreeViewItem parent, string displayName, EditorCurveBinding[] bindings)
+            : base(id, parent != null ? parent.depth + 1 : -1, parent, displayName)
+        {
+            m_Bindings = bindings;
+        }
+    }
+}
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