require(["esri/layers/support/LocalMediaElementSource"], (LocalMediaElementSource) => { /* code goes here */ });
import LocalMediaElementSource from "@arcgis/core/layers/support/LocalMediaElementSource.js";
esri/layers/support/LocalMediaElementSource
The LocalMediaElementSource is the default source for the MediaLayer. It contains a collection of image and video elements referenced in the MediaLayer's source. Image and video elements can be added or removed from elements collection at runtime.
Constructors
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Parameterproperties Objectoptional
See the properties for a list of all the properties that may be passed into the constructor.
Property Overview
| Name | Type | Summary | Class |
|---|---|---|---|
| String | The name of the class. | Accessor | |
| Collection<MediaElement> | Image and video elements referenced in the MediaLayer. | LocalMediaElementSource |
Property Details
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elements
Propertyelements Collection<MediaElement>autocastAutocasts from MediaElement[] -
Image and video elements referenced in the MediaLayer. Image and video elements can be added or removed from elements collection at runtime.
Examples// add a new imageElement to the media layer at runtime const imageElement = new ImageElement({ image: "https://arcgis.github.io/arcgis-samples-javascript/sample-data/media-layer/neworleans1891.png", georeference: new ExtentAndRotationGeoreference({ extent: new Extent({ spatialReference: { wkid: 102100 }, xmin: -10047456.27662979, ymin: 3486722.2723874687, xmax: -10006982.870152846, ymax: 3514468.91365495 }) }) }); layer.source.elements.add(imageElement);// remove image element from the media layer at runtime layer.source.elements.remove(selectedImageElement);
Method Overview
| Name | Return Type | Summary | Class |
|---|---|---|---|
Adds one or more handles which are to be tied to the lifecycle of the object. | Accessor | ||
| Boolean | Returns true if a named group of handles exist. | Accessor | |
Removes a group of handles owned by the object. | Accessor |
Method Details
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Inherited from Accessor
Since: ArcGIS Maps SDK for JavaScript 4.25Accessor since 4.0, addHandles added at 4.25. -
Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.
// Manually manage handles const handle = reactiveUtils.when( () => !view.updating, () => { wkidSelect.disabled = false; }, { once: true } ); this.addHandles(handle); // Destroy the object this.destroy();ParametershandleOrHandles WatchHandle|WatchHandle[]Handles marked for removal once the object is destroyed.
groupKey *optionalKey identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.
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hasHandles
InheritedMethodhasHandles(groupKey){Boolean}Inherited from AccessorSince: ArcGIS Maps SDK for JavaScript 4.25Accessor since 4.0, hasHandles added at 4.25. -
Returns true if a named group of handles exist.
ParametergroupKey *optionalA group key.
ReturnsType Description Boolean Returns trueif a named group of handles exist.Example// Remove a named group of handles if they exist. if (obj.hasHandles("watch-view-updates")) { obj.removeHandles("watch-view-updates"); }
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Inherited from Accessor
Since: ArcGIS Maps SDK for JavaScript 4.25Accessor since 4.0, removeHandles added at 4.25. -
Removes a group of handles owned by the object.
ParametergroupKey *optionalA group key or an array or collection of group keys to remove.
Exampleobj.removeHandles(); // removes handles from default group obj.removeHandles("handle-group"); obj.removeHandles("other-handle-group");
Type Definitions
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MediaElement
Type DefinitionMediaElement ImageElement|VideoElement -
Image and video elements referenced in the MediaLayer.
- See also