Interface IModel<H>

Interface describing a widget table of contents model.

Type Parameters

Hierarchy

Implemented by

Properties

activeHeading activeHeadingChanged collapseChanged configuration documentType headings headingsChanged isActive isDisposed stateChanged supportedOptions title? toggleCollapse

Methods

dispose setActiveHeading setConfiguration

Properties

Readonly activeHeading

activeHeading: H

Active heading

Readonly activeHeadingChanged

activeHeadingChanged: ISignal<TableOfContents.IModel<H>, H>

Signal emitted when the active heading changes.

Readonly collapseChanged

collapseChanged: ISignal<TableOfContents.IModel<H>, H>

Signal emitted when a table of content section collapse state changes.

If all headings state are set at the same time, the argument is null.

Readonly configuration

configuration: TableOfContents.IConfig

Model configuration

Readonly documentType

documentType: string

Type of document supported by the model.

Notes

A data-document-type attribute with this value will be set on the tree view .jp-TableOfContents-content[data-document-type="..."]

Readonly headings

headings: H[]

Returns the list of headings.

Returns

list of headings

Readonly headingsChanged

headingsChanged: ISignal<TableOfContents.IModel<H>, void>

Signal emitted when the headings changes.

isActive

isActive: boolean

Whether the model needs to be kept up to date or not.

Notes

This is set to true if the ToC panel is visible and to false if it is hidden. But some models may require to be always active; e.g. to add numbering in the document.

Readonly isDisposed

isDisposed: boolean

Test whether the object has been disposed.

Notes

This property is always safe to access.

Readonly stateChanged

stateChanged: ISignal<TableOfContents.IModel<H>, void>

A signal emitted when any model state changes.

Readonly supportedOptions

supportedOptions: (keyof TableOfContents.IConfig)[]

List of configuration options supported by the model.

Optional title

title?: string

Document title

toggleCollapse

toggleCollapse: ((options) => void)

Type declaration

    • (options): void

    • Callback on heading collapse.

      Parameters

      • options: {
            collapsed?: boolean;
            heading?: H;
        }
        • Optional collapsed?: boolean

          The new collapsed status (toggle existing status if not provided)

        • Optional heading?: H

          The heading to change state (all headings if not provided)

      Returns void

Methods

dispose

  • Dispose of the resources held by the object.

    Notes

    If the object's dispose method is called more than once, all calls made after the first will be a no-op.

    Undefined Behavior

    It is undefined behavior to use any functionality of the object after it has been disposed unless otherwise explicitly noted.

    Returns void

setActiveHeading

  • Set a new active heading.

    Parameters

    • heading: H

      The new active heading

    • Optional emitSignal: boolean

      Whether to emit the activeHeadingChanged signal or not.

    Returns void

setConfiguration

  • Model configuration setter.

    Parameters

    Returns void

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