SelectionController

---

The Selection controller allows you to listen for changes to the selection on the map.

Extended by

• FeltController

Methods

getSelection()

getSelection(): Promise<EntityNode[]>

Gets the current selection as a list of entity identifiers.

Returns

Promise<EntityNode[]>

Example

const selection = await felt.getSelection();

---

selectFeature()

selectFeature(params: FeatureSelection): Promise<void>

Selects a feature on a layer. This will show the feature's popup, modal or sidebar (if configured) and highlight the feature.

Parameters

Parameter	Type
params	FeatureSelection

Returns

Promise<void>

Example

await felt.selectFeature({
  id: 123,
  layerId: "my-layer",
  showPopup: true,
  fitViewport: { maxZoom: 15 },
});

Events

onSelectionChange()

onSelectionChange(params: {handler: (change: {selection: EntityNode[]; }) => void; }): VoidFunction

Adds a listener for when the selection changes.

Parameters

Parameter	Type
params	object
params.handler	(change: {selection: EntityNode[]; }) => void

Returns

VoidFunction

A function to unsubscribe from the listener

Example

const unsubscribe = felt.onSelectionChange({
  handler: ({selection}) => console.log(selection),
});

// later on...
unsubscribe();