ZoomViewModel
require(["esri/widgets/Zoom/ZoomViewModel"], function(ZoomVM) { /* code goes here */ });Class:
esri/widgets/Zoom/ZoomViewModelInheritance: ZoomViewModel Accessor
Since: ArcGIS API for JavaScript 4.0
Provides the logic for the Zoom widget.
Example:
var view = new MapView({
container: "viewDiv",
map: map
});
var zoom = new Zoom({
viewModel: { // autocasts as new ZoomViewModel()
view: view
}
}, "zoomDiv");Constructors
- new ZoomViewModel(properties)
- Parameter:properties Objectoptional
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.
| Name | Type | Summary | Class | |
|---|---|---|---|---|
| Boolean | Indicates if the view can zoom in. more details | more details | ZoomViewModel | |
| Boolean | Indicates if the view can zoom out. more details | more details | ZoomViewModel | |
| String | The name of the class. more details | more details | Accessor | |
| String | The current state of the widget. more details | more details | ZoomViewModel | |
| MapView|SceneView | The view from which to operate. more details | more details | ZoomViewModel |
Property Details
- canZoomIn Boolean
Indicates if the view can zoom in.
- canZoomOut Boolean
Indicates if the view can zoom out.
- Since: ArcGIS API for JavaScript 4.7
The name of the class. The declared class name is formatted as
esri.folder.className.
- state Stringreadonly
The current state of the widget.
Possible Values: disabled | ready
- Default Value:disabled
The view from which to operate.
Method Overview
| Name | Return Type | Summary | Class | |
|---|---|---|---|---|
Zooms the view in by an LOD factor of 0.5. more details | more details | ZoomViewModel | ||
Zooms the view out by an LOD factor of 2. more details | more details | ZoomViewModel |
Method Details
- zoomIn()
Zooms the view in by an LOD factor of 0.5.
- zoomOut()
Zooms the view out by an LOD factor of 2.
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