BookmarksViewModel

Property Overview

Property Details

activeBookmark Bookmarkreadonly

Since: ArcGIS API for JavaScript 4.9

The Bookmark that is being navigated to.

bookmarks Collection<Bookmark>

A collection of Bookmarks.

declaredClass Stringreadonly inherited

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

defaultCreateOptions BookmarkOptions

Since: ArcGIS API for JavaScript 4.18

Specifies how new bookmarks will be created. Can be used to enable or disable taking screenshots or capturing the bookmark's viewpoint based on the current view when a bookmark is created. See BookmarkOptions for the full list of options.

defaultEditOptions BookmarkOptions

Since: ArcGIS API for JavaScript 4.18

Specifies how bookmarks will be edited. Can be used to enable or disable taking screenshots or capturing the bookmark's viewpoint based on the current view when a bookmark is edited. See BookmarkOptions for the full list of options.

goToOverride GoToOverride

This function provides the ability to override either the MapView goTo() or SceneView goTo() methods.

See also:

• MapView
• SceneView

Example:

// The following snippet uses the Search widget but can be applied to any
// widgets that support the goToOverride property.
search.goToOverride = function(view, goToParams) {
  goToParams.options.duration = updatedDuration;
  return view.goTo(goToParams.target, goToParams.options);
};

state Stringreadonly

The view model's state.

Possible Values:"loading"|"ready"

Default Value:ready

view MapView

The view from which the widget will operate.

Method Overview

Method Details

createBookmark(options){Promise<Bookmark>}

Since: ArcGIS API for JavaScript 4.13

Creates a new bookmark from the defaultCreateOptions, unless otherwise specified.

Parameter:

options BookmarkOptions optional Specifies how new bookmarks will be created. Can be used to enable/disable taking screenshots or capturing the extent when a new bookmark is added.

Returns:

Type	Description
Promise<Bookmark>	When resolved, returns the newly created Bookmark.

Example:

// Creates new bookmark from current view extent
viewModel.createBookmark().then(function(bookmark){
   // Give the bookmark a name
   bookmark.name = "New Bookmark";
   // Add to bookmarks list
   viewModel.bookmarks.add(bookmark);
});

editBookmark(bookmark, options){Promise<Bookmark>}

Since: ArcGIS API for JavaScript 4.17

Edits the given bookmark.

Parameters:

bookmark Bookmark The bookmark to be edited.

options BookmarkOptions optional Specifies how bookmarks will be edited. Can be used to enable/disable taking screenshots or capturing the extent when a bookmark is edited. If not specified, the defaultEditOptions will be used.

Returns:

Type	Description
Promise<Bookmark>	When resolved, returns the edited Bookmark.

Example:

const options = {
  takeScreenshot: false,
  captureViewpoint: true
};

// update the given bookmark's viewpoint without taking a new screenshot
viewModel.editBookmark(bookmark, options).then(function(editedBookmark){
   // the edited bookmark's viewpoint should now match the current view
   console.log(editedBookmark.viewpoint);
   console.log(view.viewpoint);
})

goTo(bookmark){Promise}

Zoom to a specific bookmark.

Parameter:

bookmark Bookmark The bookmark to zoom to.

Returns:

Type	Description
Promise	Resolves after the animation to specified bookmark finishes.

Type Definitions

BookmarkOptions Object

Specifies how bookmarks will be created or modified.

Properties:

takeScreenshot Boolean optional Indicates whether a screenshot is taken when a new bookmark is created. The screenshot will be set as the thumbnail in the newly created bookmark. Default is true.

captureViewpoint Boolean optional Since 4.17 Indicates whether the viewpoint of the current view will become the viewpoint of a newly created bookmark. Default is true.

captureRotation Boolean optional Since 4.17 Indicates whether the rotation of the current view will be saved in the viewpoint of a newly created bookmark. Default is true.

captureScale Boolean optional Since 4.17 Indicates whether the scale of the current view will be saved in the viewpoint of a newly created bookmark. Default is true.

screenshotSettings Object optional An object that specifies the settings of the screenshot that will be used to create the bookmark's thumbnail. Specification: width Number optional The width (in pixels) of the screenshot. Default is 128px. height Number optional The height (in pixels) of the screenshot. Default is 128px. area Object optional Used to take a screenshot of a subregion of the view. Defaults to the whole view. Specification: x Number optional The x value of the screenshot area. y Number optional The y value of the screenshot area. width Number optional The width of the screenshot area. height Number optional The height of the screenshot area. layers Layer[] optional An optional list of layers to be included in the screenshot.