playtest-unity/playtest/Library/PackageCache/com.unity.timeline@1.7.4/Editor/Manipulators/EditMode.cs

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2023-06-19 23:21:21 -04:00
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
static class EditMode
{
public enum EditType
{
None = -1,
Mix = 0,
Ripple = 1,
Replace = 2
}
interface ISubEditMode
{
IMoveItemMode moveItemMode { get; }
IMoveItemDrawer moveItemDrawer { get; }
ITrimItemMode trimItemMode { get; }
ITrimItemDrawer trimItemDrawer { get; }
IAddDeleteItemMode addDeleteItemMode { get; }
Color color { get; }
KeyCode clutchKey { get; }
void Reset();
}
class SubEditMode<TMoveMode, TTrimMode, TAddDeleteMode> : ISubEditMode
where TMoveMode : class, IMoveItemMode, IMoveItemDrawer, new()
where TTrimMode : class, ITrimItemMode, ITrimItemDrawer, new()
where TAddDeleteMode : class, IAddDeleteItemMode, new()
{
public SubEditMode(Color guiColor, KeyCode key)
{
color = guiColor;
clutchKey = key;
Reset();
}
public void Reset()
{
m_MoveItemMode = new TMoveMode();
m_TrimItemMode = new TTrimMode();
m_AddDeleteItemMode = new TAddDeleteMode();
}
TMoveMode m_MoveItemMode;
TTrimMode m_TrimItemMode;
TAddDeleteMode m_AddDeleteItemMode;
public IMoveItemMode moveItemMode { get { return m_MoveItemMode; } }
public IMoveItemDrawer moveItemDrawer { get { return m_MoveItemMode; } }
public ITrimItemMode trimItemMode { get { return m_TrimItemMode; } }
public ITrimItemDrawer trimItemDrawer { get { return m_TrimItemMode; } }
public IAddDeleteItemMode addDeleteItemMode { get { return m_AddDeleteItemMode; } }
public Color color { get; }
public KeyCode clutchKey { get; }
}
static readonly Dictionary<EditType, ISubEditMode> k_EditModes = new Dictionary<EditType, ISubEditMode>
{
{ EditType.Mix, new SubEditMode<MoveItemModeMix, TrimItemModeMix, AddDeleteItemModeMix>(DirectorStyles.kMixToolColor, KeyCode.Alpha1) },
{ EditType.Ripple, new SubEditMode<MoveItemModeRipple, TrimItemModeRipple, AddDeleteItemModeRipple>(DirectorStyles.kRippleToolColor, KeyCode.Alpha2) },
{ EditType.Replace, new SubEditMode<MoveItemModeReplace, TrimItemModeReplace, AddDeleteItemModeReplace>(DirectorStyles.kReplaceToolColor, KeyCode.Alpha3) }
};
static EditType s_CurrentEditType = EditType.Mix;
static EditType s_OverrideEditType = EditType.None;
static ITrimmable s_CurrentTrimItem;
static TrimEdge s_CurrentTrimDirection;
static MoveItemHandler s_CurrentMoveItemHandler;
static EditModeInputHandler s_InputHandler = new EditModeInputHandler();
static ITrimItemMode trimMode
{
get { return GetSubEditMode(editType).trimItemMode; }
}
static ITrimItemDrawer trimDrawer
{
get { return GetSubEditMode(editType).trimItemDrawer; }
}
static IMoveItemMode moveMode
{
get { return GetSubEditMode(editType).moveItemMode; }
}
static IMoveItemDrawer moveDrawer
{
get { return GetSubEditMode(editType).moveItemDrawer; }
}
static IAddDeleteItemMode addDeleteMode
{
get { return GetSubEditMode(editType).addDeleteItemMode; }
}
public static EditModeInputHandler inputHandler
{
get { return s_InputHandler; }
}
static Color modeColor
{
get { return GetSubEditMode(editType).color; }
}
public static EditType editType
{
get
{
if (s_OverrideEditType != EditType.None)
return s_OverrideEditType;
var window = TimelineWindow.instance;
if (window != null)
s_CurrentEditType = window.state.editType;
return s_CurrentEditType;
}
set
{
s_CurrentEditType = value;
var window = TimelineWindow.instance;
if (window != null)
window.state.editType = value;
s_OverrideEditType = EditType.None;
}
}
static ISubEditMode GetSubEditMode(EditType type)
{
var subEditMode = k_EditModes[type];
if (subEditMode != null)
return subEditMode;
Debug.LogError("Unsupported editmode type");
return null;
}
static EditType GetSubEditType(KeyCode key)
{
foreach (var subEditMode in k_EditModes)
{
if (subEditMode.Value.clutchKey == key)
return subEditMode.Key;
}
return EditType.None;
}
public static void ClearEditMode()
{
k_EditModes[editType].Reset();
}
public static void BeginTrim(ITimelineItem item, TrimEdge trimDirection)
{
var itemToTrim = item as ITrimmable;
if (itemToTrim == null) return;
s_CurrentTrimItem = itemToTrim;
s_CurrentTrimDirection = trimDirection;
trimMode.OnBeforeTrim(itemToTrim, trimDirection);
UndoExtensions.RegisterTrack(itemToTrim.parentTrack, L10n.Tr("Trim Clip"));
}
public static void TrimStart(ITimelineItem item, double time, bool affectTimeScale)
{
var itemToTrim = item as ITrimmable;
if (itemToTrim == null) return;
trimMode.TrimStart(itemToTrim, time, affectTimeScale);
}
public static void TrimEnd(ITimelineItem item, double time, bool affectTimeScale)
{
var itemToTrim = item as ITrimmable;
if (itemToTrim == null) return;
trimMode.TrimEnd(itemToTrim, time, affectTimeScale);
}
public static void DrawTrimGUI(WindowState state, TimelineItemGUI item, TrimEdge edge)
{
trimDrawer.DrawGUI(state, item.rect, modeColor, edge);
}
public static void FinishTrim()
{
s_CurrentTrimItem = null;
TimelineCursors.ClearCursor();
ClearEditMode();
TimelineEditor.Refresh(RefreshReason.ContentsModified);
}
public static void BeginMove(MoveItemHandler moveItemHandler)
{
s_CurrentMoveItemHandler = moveItemHandler;
moveMode.BeginMove(s_CurrentMoveItemHandler.movingItems);
}
public static void UpdateMove()
{
moveMode.UpdateMove(s_CurrentMoveItemHandler.movingItems);
}
public static void OnTrackDetach(IEnumerable<ItemsPerTrack> grabbedTrackItems)
{
moveMode.OnTrackDetach(grabbedTrackItems);
}
public static void HandleTrackSwitch(IEnumerable<ItemsPerTrack> grabbedTrackItems)
{
moveMode.HandleTrackSwitch(grabbedTrackItems);
}
public static bool AllowTrackSwitch()
{
return moveMode.AllowTrackSwitch();
}
public static double AdjustStartTime(WindowState state, ItemsPerTrack itemsGroup, double time)
{
return moveMode.AdjustStartTime(state, itemsGroup, time);
}
public static bool ValidateDrag(ItemsPerTrack itemsGroup)
{
return moveMode.ValidateMove(itemsGroup);
}
public static void DrawMoveGUI(WindowState state, IEnumerable<MovingItems> movingItems)
{
moveDrawer.DrawGUI(state, movingItems, modeColor);
}
public static void FinishMove()
{
var manipulatedItemsList = s_CurrentMoveItemHandler.movingItems;
moveMode.FinishMove(manipulatedItemsList);
foreach (var itemsGroup in manipulatedItemsList)
foreach (var item in itemsGroup.items)
item.parentTrack = itemsGroup.targetTrack;
s_CurrentMoveItemHandler = null;
TimelineCursors.ClearCursor();
ClearEditMode();
TimelineEditor.Refresh(RefreshReason.ContentsModified);
}
public static void FinalizeInsertItemsAtTime(IEnumerable<ItemsPerTrack> newItems, double requestedTime)
{
addDeleteMode.InsertItemsAtTime(newItems, requestedTime);
}
public static void PrepareItemsDelete(IEnumerable<ItemsPerTrack> newItems)
{
addDeleteMode.RemoveItems(newItems);
}
public static void HandleModeClutch()
{
if (Event.current.type == EventType.KeyDown && EditorGUI.IsEditingTextField())
return;
var prevType = editType;
if (Event.current.type == EventType.KeyDown)
{
var clutchEditType = GetSubEditType(Event.current.keyCode);
if (clutchEditType != EditType.None)
{
s_OverrideEditType = clutchEditType;
Event.current.Use();
}
}
else if (Event.current.type == EventType.KeyUp)
{
var clutchEditType = GetSubEditType(Event.current.keyCode);
if (clutchEditType == s_OverrideEditType)
{
s_OverrideEditType = EditType.None;
Event.current.Use();
}
}
if (prevType != editType)
{
if (s_CurrentTrimItem != null)
{
trimMode.OnBeforeTrim(s_CurrentTrimItem, s_CurrentTrimDirection);
}
else if (s_CurrentMoveItemHandler != null)
{
if (s_CurrentMoveItemHandler.movingItems == null)
{
s_CurrentMoveItemHandler = null;
return;
}
foreach (var movingItems in s_CurrentMoveItemHandler.movingItems)
{
if (movingItems != null && movingItems.HasAnyDetachedParents())
{
foreach (var items in movingItems.items)
{
items.parentTrack = movingItems.originalTrack;
}
}
}
var movingSelection = s_CurrentMoveItemHandler.movingItems;
// Handle clutch key transition if needed
GetSubEditMode(prevType).moveItemMode.OnModeClutchExit(movingSelection);
moveMode.OnModeClutchEnter(movingSelection);
moveMode.BeginMove(movingSelection);
moveMode.HandleTrackSwitch(movingSelection);
UpdateMove();
s_CurrentMoveItemHandler.RefreshPreviewItems();
TimelineWindow.instance.state.rebuildGraph = true; // TODO Rebuild only if parent changed
}
TimelineWindow.instance.Repaint(); // TODO Refresh the toolbar without doing a full repaint?
}
}
}
}