124 lines
4.5 KiB
C#
124 lines
4.5 KiB
C#
using System;
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using System.ComponentModel;
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using System.Linq;
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using System.Reflection;
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using UnityEditor.ShortcutManagement;
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using UnityEngine;
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namespace UnityEditor.Timeline.Actions
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{
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/// interface indicating an Action class
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interface IAction {}
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/// extension methods for IActions
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static class ActionExtensions
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{
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const string kActionPostFix = "Action";
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public static string GetUndoName(this IAction action)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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var attr = action.GetType().GetCustomAttribute<ApplyDefaultUndoAttribute>(false);
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if (attr != null && !string.IsNullOrWhiteSpace(attr.UndoTitle))
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return attr.UndoTitle;
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return action.GetDisplayName();
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}
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public static string GetMenuEntryName(this IAction action)
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{
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var menuAction = action as IMenuName;
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if (menuAction != null && !string.IsNullOrWhiteSpace(menuAction.menuName))
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return menuAction.menuName;
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var attr = action.GetType().GetCustomAttribute<MenuEntryAttribute>(false);
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if (attr != null && !string.IsNullOrWhiteSpace(attr.name))
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return attr.name;
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return action.GetDisplayName();
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}
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public static string GetDisplayName(this IAction action)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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var attr = action.GetType().GetCustomAttribute<DisplayNameAttribute>(false);
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if (attr != null && !string.IsNullOrEmpty(attr.DisplayName))
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return attr.DisplayName;
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var name = action.GetType().Name;
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if (name.EndsWith(kActionPostFix))
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return ObjectNames.NicifyVariableName(name.Substring(0, name.Length - kActionPostFix.Length));
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return ObjectNames.NicifyVariableName(name);
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}
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public static bool HasAutoUndo(this IAction action)
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{
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return action != null && ActionManager.ActionsWithAutoUndo.Contains(action.GetType());
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}
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public static bool IsChecked(this IAction action)
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{
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return (action is IMenuChecked menuAction) && menuAction.isChecked;
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}
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public static bool IsActionActiveInMode(this IAction action, TimelineModes mode)
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{
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var attr = action.GetType().GetCustomAttribute<ActiveInModeAttribute>(true);
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return attr != null && (attr.modes & mode) != 0;
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}
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public static string GetShortcut(this IAction action)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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var shortcutAttribute = GetShortcutAttributeForAction(action);
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var shortCut = shortcutAttribute == null ? string.Empty : shortcutAttribute.GetMenuShortcut();
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if (string.IsNullOrWhiteSpace(shortCut))
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{
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//Check if there is a static method with attribute
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var customShortcutMethod = action.GetType().GetMethods().FirstOrDefault(m => m.GetCustomAttribute<TimelineShortcutAttribute>(true) != null);
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if (customShortcutMethod != null)
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{
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var shortcutId = customShortcutMethod.GetCustomAttribute<TimelineShortcutAttribute>(true).identifier;
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var shortcut = ShortcutIntegration.instance.directory.FindShortcutEntry(shortcutId);
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if (shortcut != null && shortcut.combinations.Any())
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shortCut = KeyCombination.SequenceToMenuString(shortcut.combinations);
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}
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}
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return shortCut;
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}
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static ShortcutAttribute GetShortcutAttributeForAction(this IAction action)
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{
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if (action == null)
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throw new ArgumentNullException(nameof(action));
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var shortcutAttributes = action.GetType()
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.GetCustomAttributes(typeof(ShortcutAttribute), true)
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.Cast<ShortcutAttribute>();
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foreach (var shortcutAttribute in shortcutAttributes)
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{
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if (shortcutAttribute is ShortcutPlatformOverrideAttribute shortcutOverride)
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{
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if (shortcutOverride.MatchesCurrentPlatform())
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return shortcutOverride;
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}
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else
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{
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return shortcutAttribute;
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}
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}
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return null;
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}
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}
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}
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