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