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42 lines
1.7 KiB
C#
42 lines
1.7 KiB
C#
1 year ago
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using System;
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namespace UnityEditor.Timeline.Actions
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{
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/// <summary>
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/// Use this attribute on action classes (<see cref="TimelineAction"/>,
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/// <see cref="ClipAction"/>,
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/// <see cref="MarkerAction"/> and
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/// <see cref="TrackAction"/>)
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/// to have the default undo behaviour applied.
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///
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/// By default, applying this attribute will record all objects passed to the Execute method with the Undo system,
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/// using the name of Action it is applied to.
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///
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/// <example>
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/// Simple track Action example (with context menu and shortcut support).
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/// <code source="../../DocCodeExamples/TimelineAttributesExamples.cs" region="declare-applyDefaultUndoAttr" title="ApplyDefaultUndoAttr"/>
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/// </example>
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/// </summary>
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/// <seealso cref="TimelineAction"/>
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/// <seealso cref="TrackAction"/>
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/// <seealso cref="ClipAction"/>
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/// <seealso cref="MarkerAction"/>
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[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
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public class ApplyDefaultUndoAttribute : Attribute
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{
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/// <summary>
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/// The title of the action to appear in the undo history. If not specified, the name is taken from the DisplayName attribute,
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/// or derived from the name of the class this attribute is applied to.
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/// </summary>
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public string UndoTitle;
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/// <summary>Use this attribute on action classes to have the default undo behaviour applied.
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/// </summary>
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/// <param name="undoTitle">The title of the action to appear in the undo history.</param>
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public ApplyDefaultUndoAttribute(string undoTitle = null)
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{
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UndoTitle = undoTitle;
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}
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}
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}
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