Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Manipulators/Move/MoveItemModeReplace.cs

@@ -0,0 +1,99 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UnityEditor.Timeline
+{
+    class MoveItemModeReplace : IMoveItemMode, IMoveItemDrawer
+    {
+        public void OnTrackDetach(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            // Nothing
+        }
+
+        public void HandleTrackSwitch(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            // Nothing
+        }
+
+        public bool AllowTrackSwitch()
+        {
+            return true;
+        }
+
+        public double AdjustStartTime(WindowState state, ItemsPerTrack itemsGroup, double time)
+        {
+            return time;
+        }
+
+        public void OnModeClutchEnter(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            // TODO
+        }
+
+        public void OnModeClutchExit(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            // TODO
+        }
+
+        public void BeginMove(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            foreach (var itemsGroup in itemsGroups)
+            {
+                EditModeUtils.SetParentTrack(itemsGroup.items, null);
+            }
+        }
+
+        public void UpdateMove(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            // Nothing
+        }
+
+        public void FinishMove(IEnumerable<ItemsPerTrack> itemsGroups)
+        {
+            EditModeReplaceUtils.Insert(itemsGroups);
+        }
+
+        public bool ValidateMove(ItemsPerTrack itemsGroup)
+        {
+            return true;
+        }
+
+        public void DrawGUI(WindowState state, IEnumerable<MovingItems> movingItems, Color color)
+        {
+            var operationWillReplace = false;
+
+            foreach (var itemsPerTrack in movingItems)
+            {
+                var bounds = itemsPerTrack.onTrackItemsBounds;
+
+                var counter = 0;
+                foreach (var item in itemsPerTrack.items)
+                {
+                    if (EditModeUtils.GetFirstIntersectedItem(itemsPerTrack.items, item.start) != null)
+                    {
+                        EditModeGUIUtils.DrawBoundsEdge(bounds[counter], color, TrimEdge.Start);
+                        operationWillReplace = true;
+                    }
+
+                    if (EditModeUtils.GetFirstIntersectedItem(itemsPerTrack.items, item.end) != null)
+                    {
+                        EditModeGUIUtils.DrawBoundsEdge(bounds[counter], color, TrimEdge.End);
+                        operationWillReplace = true;
+                    }
+
+                    counter++;
+                    // TODO Display swallowed clips?
+                }
+            }
+
+            if (operationWillReplace)
+            {
+                TimelineCursors.SetCursor(TimelineCursors.CursorType.Replace);
+            }
+            else
+            {
+                TimelineCursors.ClearCursor();
+            }
+        }
+    }
+}