SwipeViewModel | API Reference | ArcGIS Maps SDK for JavaScript 4.30

Provides the logic for the Swipe widget.

See also

Constructors

SwipeViewModel Constructor new SwipeViewModel(properties)

Parameter

properties Object

optional

See the properties for a list of all the properties that may be passed into the constructor.

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.

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Type	Summary	Class
String	The name of the class.	Accessor
String	The direction the Swipe widget moves across the view.	SwipeViewModel
Collection<Layer>	A collection of Layers that will show on the left or top side of Swipe widget.	SwipeViewModel
Number	The position of the Swipe widget.	SwipeViewModel
String	The current state of the widget.	SwipeViewModel
Collection<Layer>	A collection of Layers that will show on the right or bottom side of Swipe widget.	SwipeViewModel
MapView	A reference to the MapView.	SwipeViewModel

Property Details

declaredClass Inherited Property declaredClass Stringreadonly Inherited from Accessor

The name of the class. The declared class name is formatted as esri.folder.className.

direction Property direction String

The direction the Swipe widget moves across the view. If "horizontal", the widget will move left and right and if "vertical", the widget will move up and down.

horizontal	vertical

Possible Values:"horizontal" |"vertical"

Default Value:"horizontal"

leadingLayers Property leadingLayers Collection<Layer>autocast

A collection of Layers that will show on the left or top side of Swipe widget. See the image in the Swipe class description.

See also

trailingLayers

position Property position Number

The position of the Swipe widget. This determines what percentage of the view will be taken up by the leadingLayers.

Default Value:25

state Property state Stringreadonly

The current state of the widget.

Possible Values:"disabled" |"ready"

Default Value:disabled

trailingLayers Property trailingLayers Collection<Layer>autocast

A collection of Layers that will show on the right or bottom side of Swipe widget. See the image in the Swipe class description.

See also

leadingLayers

view Property view MapView

A reference to the MapView. Set this to link the widget to a specific view.

Method Overview

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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

addHandles Inherited Method addHandles(handleOrHandles, groupKey) Inherited from Accessor Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor 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();

Parameters

handleOrHandles WatchHandle|WatchHandle []

Handles marked for removal once the object is destroyed.

groupKey *

optional

Key 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.

hasHandles Inherited Method hasHandles(groupKey){Boolean} Inherited from Accessor Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 4.25.

Returns true if a named group of handles exist.

Parameter

groupKey *

optional

A group key.

Returns

Type	Description
Boolean	Returns `true` if 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");
}

removeHandles Inherited Method removeHandles(groupKey) Inherited from Accessor Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 4.25.

Removes a group of handles owned by the object.

Parameter

groupKey *

optional

A group key or an array or collection of group keys to remove.

Example

obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");