Class TimelineNavigator

Interface to navigate through Timelines and SubTimelines for the Timeline window.

Inheritance

object

TimelineNavigator

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: UnityEditor.Timeline

Assembly: Unity.Timeline.Editor.dll

Syntax

public sealed class TimelineNavigator

Remarks

TimelineNavigator gives you access to the Timeline window breadcrumbs functionality. Use it to programmatically dig into SubTimelines, navigate to parent Timelines or navigate Timeline Window breadcrumbs.

Methods

GetBreadcrumbs()

Gets the collection of SequenceContexts associated with the breadcrumbs shown in the TimelineEditorWindow.

Declaration

public IEnumerable<SequenceContext> GetBreadcrumbs()

Returns

Type	Description
IEnumerable<SequenceContext>	The collection of SequenceContexts associated with the breadcrumbs shown in the TimelineEditorWindow, from the root context to the current context.

Remarks

This operation can be expensive. Consider caching the results instead of calling the method multiple times.

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.

GetChildContexts()

Gets the collection of child contexts that can be navigated to from the current context.

Declaration

public IEnumerable<SequenceContext> GetChildContexts()

Returns

Type	Description
IEnumerable<SequenceContext>	The collection of child contexts that can be navigated to from the current context.

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.

GetCurrentContext()

Gets the SequenceContext associated with the Timeline currently shown in the Timeline window.

Declaration

public SequenceContext GetCurrentContext()

Returns

Type	Description
SequenceContext	The SequenceContext associated with the Timeline currently shown in the Timeline window.

Remarks

Equivalent to TimelineNavigator.GetBreadCrumbs().Last()

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.

GetParentContext()

Gets the parent SequenceContext for the Timeline currently shown in the Timeline window.

Declaration

public SequenceContext GetParentContext()

Returns

Type	Description
SequenceContext	The parent SequenceContext for the Timeline currently shown in the Timeline window if there is one; an invalid SequenceContext otherwise. Invalid

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.

GetRootContext()

Gets the first SequenceContext in the breadcrumbs.

Declaration

public SequenceContext GetRootContext()

Returns

Type	Description
SequenceContext	The first SequenceContext in the breadcrumbs.

Remarks

Equivalent to TimelineNavigator.GetBreadCrumbs().First()

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.

NavigateTo(SequenceContext)

Navigates to a new SequenceContext.

Declaration

public void NavigateTo(SequenceContext context)

Parameters

Type	Name	Description
SequenceContext	context	The context to navigate to.

Remarks

The SequenceContext provided must be a valid navigation destination.

Valid navigation destinations:

• The parent context returned by GetParentContext().
• The root context returned by GetRootContext().
• Any SequenceContext returned by GetChildContexts().
• Any SequenceContext returned by GetBreadcrumbs().

Note: This method cannot be used to change the root SequenceContext. To change the root SequenceContext, use SetTimeline(TimelineAsset).

Exceptions

Type	Condition
InvalidOperationException	The Window associated to this instance has been destroyed.
ArgumentException	The context is not valid.
InvalidOperationException	The context is not a valid navigation destination.