98 lines
4.9 KiB
C#
98 lines
4.9 KiB
C#
using System.Collections.Generic;
|
|
|
|
namespace UnityEditor.Timeline
|
|
{
|
|
/// <summary>
|
|
/// Interface to navigate through Timelines and SubTimelines for the Timeline window.
|
|
/// </summary>
|
|
/// <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.
|
|
/// </remarks>
|
|
public sealed class TimelineNavigator
|
|
{
|
|
TimelineWindow.TimelineNavigatorImpl m_Impl;
|
|
internal TimelineNavigator(IWindowStateProvider windowState)
|
|
{
|
|
m_Impl = new TimelineWindow.TimelineNavigatorImpl(windowState);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the SequenceContext associated with the Timeline currently shown in the Timeline window.
|
|
/// </summary>
|
|
/// <returns>The SequenceContext associated with the Timeline currently shown in the Timeline window.</returns>
|
|
/// <remarks>Equivalent to <c>TimelineNavigator.GetBreadCrumbs().Last()</c></remarks>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
public SequenceContext GetCurrentContext()
|
|
{
|
|
return m_Impl.GetCurrentContext();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the parent SequenceContext for the Timeline currently shown in the Timeline window.
|
|
/// </summary>
|
|
/// <returns>The parent SequenceContext for the Timeline currently shown in the Timeline window if there is one; an invalid SequenceContext otherwise.</returns>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
public SequenceContext GetParentContext()
|
|
{
|
|
return m_Impl.GetParentContext();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the first SequenceContext in the breadcrumbs.
|
|
/// </summary>
|
|
/// <returns>The first SequenceContext in the breadcrumbs.</returns>
|
|
/// <remarks>Equivalent to <c>TimelineNavigator.GetBreadCrumbs().First()</c></remarks>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
public SequenceContext GetRootContext()
|
|
{
|
|
return m_Impl.GetRootContext();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the collection of child contexts that can be navigated to from the current context.
|
|
/// </summary>
|
|
/// <returns>The collection of child contexts that can be navigated to from the current context.</returns>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
public IEnumerable<SequenceContext> GetChildContexts()
|
|
{
|
|
return m_Impl.GetChildContexts();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the collection of SequenceContexts associated with the breadcrumbs shown in the TimelineEditorWindow.
|
|
/// </summary>
|
|
/// <remarks>This operation can be expensive. Consider caching the results instead of calling the method multiple times.</remarks>
|
|
/// <returns>The collection of SequenceContexts associated with the breadcrumbs shown in the TimelineEditorWindow, from the root context to the current context.</returns>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
public IEnumerable<SequenceContext> GetBreadcrumbs()
|
|
{
|
|
return m_Impl.GetBreadcrumbs();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Navigates to a new SequenceContext.
|
|
/// </summary>
|
|
/// <param name="context">The context to navigate to.</param>
|
|
/// <remarks>
|
|
/// The SequenceContext provided must be a valid navigation destination.
|
|
///
|
|
/// Valid navigation destinations:
|
|
/// * The parent context returned by <see cref="GetParentContext"/>.
|
|
/// * The root context returned by <see cref="GetRootContext"/>.
|
|
/// * Any SequenceContext returned by <see cref="GetChildContexts"/>.
|
|
/// * Any SequenceContext returned by <see cref="GetBreadcrumbs"/>.
|
|
///
|
|
/// Note: This method cannot be used to change the root SequenceContext. To change the root SequenceContext, use <see cref="TimelineEditorWindow.SetTimeline"/>.
|
|
///
|
|
/// </remarks>
|
|
/// <exception cref="System.InvalidOperationException"> The Window associated to this instance has been destroyed.</exception>
|
|
/// <exception cref="System.ArgumentException"> The context is not valid.</exception>
|
|
/// <exception cref="System.InvalidOperationException"> The context is not a valid navigation destination.</exception>
|
|
public void NavigateTo(SequenceContext context)
|
|
{
|
|
m_Impl.NavigateTo(context);
|
|
}
|
|
}
|
|
}
|