IfcPropertiesManager

Component to manage and edit properties and Psets in IFC files.

Extends

• Component

Implements

• Disposable

Properties

attributeListeners

attributeListeners: AttributeListener = {}

Map of attribute listeners.

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changeMap

changeMap: ChangeMap = {}

Map of changed entities in the model.

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enabled

enabled: boolean = true

Component.enabled

Overrides

Component . enabled

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ifcToExport

ifcToExport: null | ArrayBuffer = null

ArrayBuffer containing the IFC data to be exported.

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onDataChanged

readonly onDataChanged: Event<object>

Event triggered when data in the model changes.

Type declaration

expressID

expressID: number

model

model: FragmentsGroup

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onDisposed

readonly onDisposed: Event<string>

Disposable.onDisposed

Implementation of

Disposable . onDisposed

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onElementToPset

readonly onElementToPset: Event<object>

Event triggered when an element is added to a Pset.

Type declaration

elementID

elementID: number

model

model: FragmentsGroup

psetID

psetID: number

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onPropToPset

readonly onPropToPset: Event<object>

Event triggered when a property is added to a Pset.

Type declaration

model

model: FragmentsGroup

propID

propID: number

psetID

psetID: number

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onPsetRemoved

readonly onPsetRemoved: Event<object>

Event triggered when a Pset is removed.

Type declaration

model

model: FragmentsGroup

psetID

psetID: number

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onRequestFile

readonly onRequestFile: Event<unknown>

Event triggered when a file is requested for export.

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selectedModel?

optional selectedModel: FragmentsGroup

The currently selected model.

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wasm

wasm: object

Configuration for the WebAssembly module.

absolute

absolute: boolean = false

path

path: string = "/"

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uuid

static readonly uuid: "58c2d9f0-183c-48d6-a402-dfcf5b9a34df"

A unique identifier for the component. This UUID is used to register the component within the Components system.

Methods

addElementToPset()

addElementToPset(model, psetID, ...expressIDs): void

Parameters

Parameter	Type
model	FragmentsGroup
psetID	number
...expressIDs	number[]

Returns

void

Deprecated

Use indexer.addEntitiesRelation instead. This will be removed in future releases.

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addPropToPset()

addPropToPset(model, psetID, ...propID): Promise<void>

Adds elements to a Property Set (Pset) in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to add the elements.
psetID	number	The express ID of the Pset to which to add the elements.
...propID	number[]	-

Returns

Promise<void>

A promise that resolves when all the elements have been added.

Throws

Will throw an error if the Pset or the elements to be added are not found in the model.

Throws

Will throw an error if the Pset to be added to is not of type IFCPROPERTYSET.

Throws

Will throw an error if no relation is found between the Pset and the model.

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createIfcRel()

createIfcRel(model, type, relatingID, relatedIDs): Promise<any>

Creates a new instance of a relationship between entities in the IFC model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to create the relationship.
type	160246688 | 279856033 | 307848117 | 781010003 | 919958153 | 982818633 | 1204542856 | 1307041759 | 2495723537 | 2565941209 | 2655215786 | 2857406711 | 3242617779 | 3268803585 | 4186316022	The type of the relationship to create.
relatingID	number	The express ID of the entity that is related to the other entities.
relatedIDs	number[]	The express IDs of the entities that are related to the relating entity.

Returns

Promise<any>

A promise that resolves with the newly created relationship.

Throws

Will throw an error if the relationship type is unsupported.

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dispose()

dispose(): void

Disposable.dispose

Returns

void

Implementation of

Disposable . dispose

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getEntityRef()

getEntityRef(model, type): Promise<null | Handle<unknown>[]>

Retrieves all the entities of a specific type from the model and returns their express IDs wrapped in Handles. This is used to make references of an entity inside another entity attributes.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model from which to retrieve the entities.
type	number	The type of the entities to retrieve. This should be the express ID of the IFC type.

Returns

Promise<null | Handle<unknown>[]>

A promise that resolves with an array of Handles, each containing the express ID of an entity of the specified type.

null if the model doesn't have any entity of that type

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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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newPset()

newPset(model, name, description?): Promise<object>

Creates a new Property Set (Pset) in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to create the Pset.
name	string	The name of the Pset.
description?	string	(Optional) The description of the Pset.

Returns

Promise<object>

A promise that resolves with an object containing the newly created Pset and its relation.

pset

pset: IfcPropertySet | IfcPropertySet | IfcPropertySet

Throws

Will throw an error if the IFC schema is not found in the model.

Throws

Will throw an error if no OwnerHistory is found in the model.

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newSingleBooleanProperty()

newSingleBooleanProperty(model, type, name, value): Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

Creates a new single-value property of type boolean in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to create the property.
type	BooleanPropTypes	The type of the property value. Must be a boolean property type.
name	string	The name of the property.
value	boolean	The value of the property. Must be a boolean.

Returns

Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

The newly created single-value property.

Throws

Will throw an error if the IFC schema is not found in the model.

Throws

Will throw an error if no OwnerHistory is found in the model.

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newSingleNumericProperty()

newSingleNumericProperty(model, type, name, value): Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

Creates a new single-value property of type numeric in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to create the property.
type	NumericPropTypes	The type of the property value. Must be a numeric property type.
name	string	The name of the property.
value	number	The value of the property. Must be a number.

Returns

Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

The newly created single-value property.

Throws

Will throw an error if the IFC schema is not found in the model.

Throws

Will throw an error if no OwnerHistory is found in the model.

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newSingleStringProperty()

newSingleStringProperty(model, type, name, value): Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

Creates a new single-value property of type string in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to create the property.
type	StringPropTypes	The type of the property value. Must be a string property type.
name	string	The name of the property.
value	string	The value of the property. Must be a string.

Returns

Promise<IfcPropertySingleValue | IfcPropertySingleValue | IfcPropertySingleValue>

The newly created single-value property.

Throws

Will throw an error if the IFC schema is not found in the model.

Throws

Will throw an error if no OwnerHistory is found in the model.

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removePset()

removePset(model, ...psetID): Promise<void>

Removes a Property Set (Pset) from the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model from which to remove the Pset.
...psetID	number[]	The express IDs of the Psets to be removed.

Returns

Promise<void>

A promise that resolves when all the Psets have been removed.

Throws

Will throw an error if any of the expressID properties are missing in the psetID array.

Throws

Will throw an error if the Pset to be removed is not of type IFCPROPERTYSET.

Throws

Will throw an error if no relation is found between the Pset and the model.

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removePsetProp()

removePsetProp(model, psetID, propID): Promise<void>

Removes a property from a Property Set (Pset) in the given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model from which to remove the property.
psetID	number	The express ID of the Pset from which to remove the property.
propID	number	The express ID of the property to be removed.

Returns

Promise<void>

A promise that resolves when the property has been removed.

Throws

Will throw an error if the Pset or the property to be removed are not found in the model.

Throws

Will throw an error if the Pset to be removed is not of type IFCPROPERTYSET.

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saveToIfc()

saveToIfc(model, ifcToSaveOn): Promise<Uint8Array>

Saves the changes made to the model to a new IFC file.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model from which to save the changes.
ifcToSaveOn	Uint8Array	The Uint8Array representing the original IFC file.

Returns

Promise<Uint8Array>

A promise that resolves with the modified IFC data as a Uint8Array.

Throws

Will throw an error if any issues occur during the saving process.

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setAttributeListener()

setAttributeListener(model, expressID, attributeName): Promise <Event<String | Number | Boolean>>

Sets an attribute listener for a specific attribute of an entity in the model. The listener will trigger an event whenever the attribute's value changes.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to set the attribute listener.
expressID	number	The express ID of the entity for which to set the listener.
attributeName	string	The name of the attribute for which to set the listener.

Returns

Promise <Event<String | Number | Boolean>>

The event that will be triggered when the attribute's value changes.

Throws

Will throw an error if the entity with the given expressID doesn't exist.

Throws

Will throw an error if the attribute is an array or null, and it can't have a listener.

Throws

Will throw an error if the attribute has a badly defined handle.

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setData()

setData(model, ...dataToSave): Promise<void>

Method to add or update entity attributes in the model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model in which to set the properties.
...dataToSave	Record<string, any>[]	An array of objects representing the properties to be saved.
Each object must have an expressID property, which is the express ID of the entity in the model.
The rest of the properties will be set as the properties of the entity.

Returns

Promise<void>

A promise that resolves when all the properties have been set.

Throws

Will throw an error if any of the expressID properties are missing in the dataToSave array.

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getIFCSchema()

static getIFCSchema(model): IfcSchema

Static method to retrieve the IFC schema from a given model.

Parameters

Parameter	Type	Description
model	FragmentsGroup	The FragmentsGroup model from which to retrieve the IFC schema.

Returns

IfcSchema

The IFC schema associated with the given model.

Throws

Will throw an error if the IFC schema is not found in the model.