BCFTopics

BCFTopics manages Building Collaboration Format (BCF) data the engine. It provides functionality for importing, exporting, and manipulating BCF data.

Extends

• Component

Implements

• Disposable
• Configurable<BCFTopicsConfigManager, BCFTopicsConfig>

Accessors

usedLabels

get usedLabels(): Set<string>

Retrieves the unique set of labels used across all topics.

Returns

Set<string>

A Set containing the unique labels.

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usedPriorities

get usedPriorities(): Set<undefined | string>

Retrieves the unique set of topic priorities used across all topics.

Returns

Set<undefined | string>

A Set containing the unique topic priorities. Note: This method filters out any null or undefined priorities.

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usedStages

get usedStages(): Set<undefined | string>

Retrieves the unique set of topic stages used across all topics.

Returns

Set<undefined | string>

A Set containing the unique topic stages. Note: This method filters out any null or undefined stages.

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usedStatuses

get usedStatuses(): Set<string>

Retrieves the unique set of topic statuses used across all topics.

Returns

Set<string>

A Set containing the unique topic statuses.

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usedTypes

get usedTypes(): Set<string>

Retrieves the unique set of topic types used across all topics.

Returns

Set<string>

A Set containing the unique topic types.

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usedUsers

get usedUsers(): Set<string>

Retrieves the unique set of users associated with topics.

Returns

Set<string>

A Set containing the unique users. Note: This method collects users from the creation author, assigned to, modified author, and comment authors.

Methods

create()

create(data?): Topic

Creates a new BCFTopic instance and adds it to the list.

Parameters

Parameter	Type	Description
data?	Partial<BCFTopic>	Optional partial BCFTopic object to initialize the new topic with.
If not provided, default values will be used.

Returns

Topic

The newly created BCFTopic instance.

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dispose()

dispose(): void

Disposes of the BCFTopics component and triggers the onDisposed event.

Returns

void

Implementation of

Disposable . dispose

Remarks

This method clears the list of topics and triggers the onDisposed event. It also resets the onDisposed event listener.

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export()

export(topics): Promise<Blob>

Exports the given topics to a BCF (Building Collaboration Format) zip file.

Parameters

Parameter	Type	Description
topics	Iterable<Topic>	The topics to export. Defaults to all topics in the list.

Returns

Promise<Blob>

A promise that resolves to a Blob containing the exported BCF zip file.

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isConfigurable()

isConfigurable(): this is Configurable<any, any>

Whether is component is Configurable.

Returns

this is Configurable<any, any>

Inherited from

Component . isConfigurable

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isDisposeable()

isDisposeable(): this is Disposable

Whether is component is Disposable.

Returns

this is Disposable

Inherited from

Component . isDisposeable

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isHideable()

isHideable(): this is Hideable

Whether is component is Hideable.

Returns

this is Hideable

Inherited from

Component . isHideable

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isResizeable()

isResizeable(): this is Resizeable

Whether is component is Resizeable.

Returns

this is Resizeable

Inherited from

Component . isResizeable

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isUpdateable()

isUpdateable(): this is Updateable

Whether is component is Updateable.

Returns

this is Updateable

Inherited from

Component . isUpdateable

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load()

load(data, world): Promise<object>

Loads BCF (Building Collaboration Format) data into the engine.

Parameters

Parameter	Type	Description
data	Uint8Array	The BCF data to load.
world	World	The default world where the viewpoints are going to be created.

Returns

Promise<object>

A promise that resolves to an object containing the created viewpoints and topics.

topics

topics: Topic[]

viewpoints

viewpoints: Viewpoint[] = createdViewpoints

Throws

An error if the BCF version is not supported.

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updateExtensions()

updateExtensions(): void

Updates the set of extensions (types, statuses, priorities, labels, stages, users) based on the current topics. This method iterates through each topic in the list and adds its properties to the corresponding sets in the config.

Returns

void

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updateViewpointReferences()

updateViewpointReferences(): void

Updates the references to viewpoints in the topics. This function iterates through each topic and checks if the viewpoints exist in the viewpoints list. If a viewpoint does not exist, it is removed from the topic's viewpoints.

Returns

void