TimelineContextMenu.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
using Object = UnityEngine.Object;
namespace UnityEditor.Timeline
{
static class SequencerContextMenu
{
static readonly TimelineAction[] MarkerHeaderCommonOperations =
{
new PasteAction()
};
public static readonly TimelineAction[] MarkerHeaderMenuItems =
TimelineAction.AllActions.OfType<MarkerHeaderAction>().
Where(a => a.showInMenu).
Union(MarkerHeaderCommonOperations).
ToArray();
static class Styles
{
public static readonly string addItemFromAssetTemplate = L10n.Tr("Add {0} From {1}");
public static readonly string addSingleItemFromAssetTemplate = L10n.Tr("Add From {1}");
public static readonly string addItemTemplate = L10n.Tr("Add {0}");
public static readonly string typeSelectorTemplate = L10n.Tr("Select {0}");
public static readonly string trackGroup = L10n.Tr("Track Group");
public static readonly string trackSubGroup = L10n.Tr("Track Sub-Group");
public static readonly string addTrackLayer = L10n.Tr("Add Layer");
public static readonly string layerName = L10n.Tr("Layer {0}");
}
public static void ShowMarkerHeaderContextMenu(Vector2? mousePosition, WindowState state)
{
var menu = new GenericMenu();
List<MenuActionItem> items = new List<MenuActionItem>(100);
BuildMarkerHeaderContextMenu(items, mousePosition, state);
MenuItemActionBase.BuildMenu(menu, items);
menu.ShowAsContext();
}
public static void ShowNewTracksContextMenu(ICollection<TrackAsset> tracks, WindowState state)
{
var menu = new GenericMenu();
List<MenuActionItem> items = new List<MenuActionItem>(100);
BuildNewTracksContextMenu(items, tracks, state);
MenuItemActionBase.BuildMenu(menu, items);
menu.ShowAsContext();
}
public static void ShowNewTracksContextMenu(ICollection<TrackAsset> tracks, WindowState state, Rect rect)
{
var menu = new GenericMenu();
List<MenuActionItem> items = new List<MenuActionItem>(100);
BuildNewTracksContextMenu(items, tracks, state);
MenuItemActionBase.BuildMenu(menu, items);
menu.DropDown(rect);
}
public static void ShowTrackContextMenu(TrackAsset[] tracks, Vector2? mousePosition)
{
if (tracks == null || tracks.Length == 0)
return;
var items = new List<MenuActionItem>();
var menu = new GenericMenu();
BuildTrackContextMenu(items, tracks, mousePosition);
MenuItemActionBase.BuildMenu(menu, items);
menu.ShowAsContext();
}
public static void ShowItemContextMenu(Vector2 mousePosition, TimelineClip[] clips, IMarker[] markers)
{
var menu = new GenericMenu();
var items = new List<MenuActionItem>();
BuildItemContextMenu(items, mousePosition, clips, markers);
MenuItemActionBase.BuildMenu(menu, items);
menu.ShowAsContext();
}
internal static void BuildItemContextMenu(List<MenuActionItem> items, Vector2 mousePosition, TimelineClip[] clips, IMarker[] markers)
{
var state = TimelineWindow.instance.state;
TimelineAction.GetMenuEntries(TimelineAction.MenuActions, mousePosition, items);
ItemAction<TimelineClip>.GetMenuEntries(clips, items);
ItemAction<IMarker>.GetMenuEntries(markers, items);
if (clips.Length > 0)
AddMarkerMenuCommands(items, clips.Select(c => c.parentTrack).Distinct().ToList(), TimelineHelpers.GetCandidateTime(state, mousePosition));
}
internal static void BuildNewTracksContextMenu(List<MenuActionItem> menuItems, ICollection<TrackAsset> parentTracks, WindowState state, string format = null)
{
if (parentTracks == null)
parentTracks = new TrackAsset[0];
if (string.IsNullOrEmpty(format))
format = "{0}";
// Add Group or SubGroup
var title = string.Format(format, parentTracks.Any(t => t != null) ? Styles.trackSubGroup : Styles.trackGroup);
var menuState = MenuActionDisplayState.Visible;
if (state.editSequence.isReadOnly)
menuState = MenuActionDisplayState.Disabled;
if (parentTracks.Any() && parentTracks.Any(t => t != null && t.lockedInHierarchy))
menuState = MenuActionDisplayState.Disabled;
GenericMenu.MenuFunction command = () =>
{
SelectionManager.Clear();
if (parentTracks.Count == 0)
Selection.Add(TimelineHelpers.CreateTrack<GroupTrack>(null, title));
foreach (var parentTrack in parentTracks)
Selection.Add(TimelineHelpers.CreateTrack<GroupTrack>(parentTrack, title));
TimelineEditor.Refresh(RefreshReason.ContentsAddedOrRemoved);
};
menuItems.Add(
new MenuActionItem()
{
category = string.Empty,
entryName = title,
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = MenuOrder.AddGroupItemStart,
state = menuState,
callback = command
}
);
var allTypes = TypeUtility.AllTrackTypes().Where(x => x != typeof(GroupTrack) && !TypeUtility.IsHiddenInMenu(x)).ToList();
int builtInPriority = MenuOrder.AddTrackItemStart;
int customPriority = MenuOrder.AddCustomTrackItemStart;
foreach (var trackType in allTypes)
{
var trackItemType = trackType;
command = () =>
{
SelectionManager.Clear();
if (parentTracks.Count == 0)
SelectionManager.Add(TimelineHelpers.CreateTrack((Type)trackItemType, null));
foreach (var parentTrack in parentTracks)
SelectionManager.Add(TimelineHelpers.CreateTrack((Type)trackItemType, parentTrack));
};
menuItems.Add(
new MenuActionItem()
{
category = TimelineHelpers.GetTrackCategoryName(trackType),
entryName = string.Format(format, TimelineHelpers.GetTrackMenuName(trackItemType)),
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = TypeUtility.IsBuiltIn(trackType) ? builtInPriority++ : customPriority++,
state = menuState,
callback = command
}
);
}
}
internal static void BuildMarkerHeaderContextMenu(List<MenuActionItem> menu, Vector2? mousePosition, WindowState state)
{
TimelineAction.GetMenuEntries(MarkerHeaderMenuItems, null, menu);
var timeline = state.editSequence.asset;
var time = TimelineHelpers.GetCandidateTime(state, mousePosition);
var enabled = timeline.markerTrack == null || !timeline.markerTrack.lockedInHierarchy;
var addMarkerCommand = new Action<Type, Object>
(
(type, obj) => AddSingleMarkerCallback(type, time, timeline, state.editSequence.director, obj)
);
AddMarkerMenuCommands(menu, new TrackAsset[] {timeline.markerTrack}, addMarkerCommand, enabled);
}
internal static void BuildTrackContextMenu(List<MenuActionItem> items, TrackAsset[] tracks, Vector2? mousePosition)
{
if (tracks == null || tracks.Length == 0)
return;
TimelineAction.GetMenuEntries(TimelineAction.MenuActions, mousePosition, items);
TrackAction.GetMenuEntries(TimelineWindow.instance.state, mousePosition, tracks, items);
AddLayeredTrackCommands(items, tracks);
var first = tracks.First().GetType();
var allTheSame = tracks.All(t => t.GetType() == first);
if (allTheSame)
{
if (first != typeof(GroupTrack))
{
var candidateTime = TimelineHelpers.GetCandidateTime(TimelineWindow.instance.state, mousePosition, tracks);
AddClipMenuCommands(items, tracks, candidateTime);
AddMarkerMenuCommands(items, tracks, candidateTime);
}
else
{
BuildNewTracksContextMenu(items, tracks, TimelineWindow.instance.state, Styles.addItemTemplate);
}
}
}
static void AddLayeredTrackCommands(List<MenuActionItem> menuItems, ICollection<TrackAsset> tracks)
{
if (tracks.Count == 0)
return;
var layeredType = tracks.First().GetType();
// animation tracks have a special menu.
if (layeredType == typeof(AnimationTrack))
return;
// must implement ILayerable
if (!typeof(UnityEngine.Timeline.ILayerable).IsAssignableFrom(layeredType))
return;
if (tracks.Any(t => t.GetType() != layeredType))
return;
// only supported on the master track no nesting.
if (tracks.Any(t => t.isSubTrack))
return;
var enabled = tracks.All(t => t != null && !t.lockedInHierarchy) && !TimelineWindow.instance.state.editSequence.isReadOnly;
int priority = MenuOrder.TrackAddMenu.AddLayerTrack;
GenericMenu.MenuFunction menuCallback = () =>
{
foreach (var track in tracks)
TimelineHelpers.CreateTrack(layeredType, track, string.Format(Styles.layerName, track.GetChildTracks().Count() + 1));
};
var entryName = Styles.addTrackLayer;
menuItems.Add(
new MenuActionItem()
{
category = string.Empty,
entryName = entryName,
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = priority++,
state = enabled ? MenuActionDisplayState.Visible : MenuActionDisplayState.Disabled,
callback = menuCallback
}
);
}
static void AddClipMenuCommands(List<MenuActionItem> menuItems, ICollection<TrackAsset> tracks, double candidateTime)
{
if (!tracks.Any())
return;
var trackAsset = tracks.First();
var trackType = trackAsset.GetType();
if (tracks.Any(t => t.GetType() != trackType))
return;
var enabled = tracks.All(t => t != null && !t.lockedInHierarchy) && !TimelineWindow.instance.state.editSequence.isReadOnly;
var assetTypes = TypeUtility.GetPlayableAssetsHandledByTrack(trackType);
var visibleAssetTypes = TypeUtility.GetVisiblePlayableAssetsHandledByTrack(trackType);
// skips the name if there is only a single type
var commandNameTemplate = assetTypes.Count() == 1 ? Styles.addSingleItemFromAssetTemplate : Styles.addItemFromAssetTemplate;
int builtInPriority = MenuOrder.AddClipItemStart;
int customPriority = MenuOrder.AddCustomClipItemStart;
foreach (var assetType in assetTypes)
{
var assetItemType = assetType;
var category = TimelineHelpers.GetItemCategoryName(assetType);
Action<Object> onObjectChanged = obj =>
{
if (obj != null)
{
foreach (var t in tracks)
{
TimelineHelpers.CreateClipOnTrack(assetItemType, obj, t, candidateTime);
}
}
};
foreach (var objectReference in TypeUtility.ObjectReferencesForType(assetType))
{
var isSceneReference = objectReference.isSceneReference;
var dataType = objectReference.type;
GenericMenu.MenuFunction menuCallback = () =>
{
ObjectSelector.get.Show(null, dataType, null, isSceneReference, null, (obj) => onObjectChanged(obj), null);
ObjectSelector.get.titleContent = EditorGUIUtility.TrTextContent(string.Format(Styles.typeSelectorTemplate, TypeUtility.GetDisplayName(dataType)));
};
menuItems.Add(
new MenuActionItem()
{
category = category,
entryName = string.Format(commandNameTemplate, TypeUtility.GetDisplayName(assetType), TypeUtility.GetDisplayName(objectReference.type)),
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = TypeUtility.IsBuiltIn(assetType) ? builtInPriority++ : customPriority++,
state = enabled ? MenuActionDisplayState.Visible : MenuActionDisplayState.Disabled,
callback = menuCallback
}
);
}
}
foreach (var assetType in visibleAssetTypes)
{
var assetItemType = assetType;
var category = TimelineHelpers.GetItemCategoryName(assetType);
var commandName = string.Format(Styles.addItemTemplate, TypeUtility.GetDisplayName(assetType));
GenericMenu.MenuFunction command = () =>
{
foreach (var t in tracks)
{
TimelineHelpers.CreateClipOnTrack(assetItemType, t, candidateTime);
}
};
menuItems.Add(
new MenuActionItem()
{
category = category,
entryName = commandName,
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = TypeUtility.IsBuiltIn(assetItemType) ? builtInPriority++ : customPriority++,
state = enabled ? MenuActionDisplayState.Visible : MenuActionDisplayState.Disabled,
callback = command
}
);
}
}
static void AddMarkerMenuCommands(List<MenuActionItem> menu, IEnumerable<Type> markerTypes, Action<Type, Object> addMarkerCommand, bool enabled)
{
int builtInPriority = MenuOrder.AddMarkerItemStart;
int customPriority = MenuOrder.AddCustomMarkerItemStart;
foreach (var markerType in markerTypes)
{
var markerItemType = markerType;
string category = TimelineHelpers.GetItemCategoryName(markerItemType);
menu.Add(
new MenuActionItem()
{
category = category,
entryName = string.Format(Styles.addItemTemplate, TypeUtility.GetDisplayName(markerType)),
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = TypeUtility.IsBuiltIn(markerType) ? builtInPriority++ : customPriority++,
state = enabled ? MenuActionDisplayState.Visible : MenuActionDisplayState.Disabled,
callback = () => addMarkerCommand(markerItemType, null)
}
);
foreach (var objectReference in TypeUtility.ObjectReferencesForType(markerType))
{
var isSceneReference = objectReference.isSceneReference;
GenericMenu.MenuFunction menuCallback = () =>
{
var dataType = markerItemType;
ObjectSelector.get.Show(null, dataType, null, isSceneReference, null, (obj) => addMarkerCommand(markerItemType, obj), null);
ObjectSelector.get.titleContent = EditorGUIUtility.TrTextContent(string.Format(Styles.typeSelectorTemplate, TypeUtility.GetDisplayName(dataType)));
};
menu.Add(
new MenuActionItem()
{
category = TimelineHelpers.GetItemCategoryName(markerItemType),
entryName = string.Format(Styles.addItemFromAssetTemplate, TypeUtility.GetDisplayName(markerType), TypeUtility.GetDisplayName(objectReference.type)),
shortCut = string.Empty,
isActiveInMode = true,
isChecked = false,
priority = TypeUtility.IsBuiltIn(markerType) ? builtInPriority++ : customPriority++,
state = enabled ? MenuActionDisplayState.Visible : MenuActionDisplayState.Disabled,
callback = menuCallback
}
);
}
}
}
static void AddMarkerMenuCommands(List<MenuActionItem> menuItems, ICollection<TrackAsset> tracks, double candidateTime)
{
if (tracks.Count == 0)
return;
var enabled = tracks.All(t => !t.lockedInHierarchy) && !TimelineWindow.instance.state.editSequence.isReadOnly;
var addMarkerCommand = new Action<Type, Object>((type, obj) => AddMarkersCallback(tracks, type, candidateTime, obj));
AddMarkerMenuCommands(menuItems, tracks, addMarkerCommand, enabled);
}
static void AddMarkerMenuCommands(List<MenuActionItem> menuItems, ICollection<TrackAsset> tracks, Action<Type, Object> command, bool enabled)
{
var markerTypes = TypeUtility.GetBuiltInMarkerTypes().Union(TypeUtility.GetUserMarkerTypes());
if (tracks != null)
markerTypes = markerTypes.Where(x => tracks.All(track => (track == null) || TypeUtility.DoesTrackSupportMarkerType(track, x))); // null track indicates marker track to be created
AddMarkerMenuCommands(menuItems, markerTypes, command, enabled);
}
static void AddMarkersCallback(ICollection<TrackAsset> targets, Type markerType, double time, Object obj)
{
SelectionManager.Clear();
foreach (var target in targets)
{
var marker = TimelineHelpers.CreateMarkerOnTrack(markerType, obj, target, time);
SelectionManager.Add(marker);
}
TimelineEditor.Refresh(RefreshReason.ContentsAddedOrRemoved);
}
static void AddSingleMarkerCallback(Type markerType, double time, TimelineAsset timeline, PlayableDirector director, Object assignableObject)
{
timeline.CreateMarkerTrack();
var markerTrack = timeline.markerTrack;
SelectionManager.Clear();
var marker = TimelineHelpers.CreateMarkerOnTrack(markerType, assignableObject, markerTrack, time);
SelectionManager.Add(marker);
if (typeof(INotification).IsAssignableFrom(markerType) && director != null)
{
if (director != null && director.GetGenericBinding(markerTrack) == null)
director.SetGenericBinding(markerTrack, director.gameObject);
}
TimelineEditor.Refresh(RefreshReason.ContentsAddedOrRemoved);
}
}
}