Bookmarks
require(["esri/widgets/Bookmarks"], function(Bookmarks) { /* code goes here */ });esri/widgets/BookmarksThe Bookmarks widget allows end users to quickly navigate to a particular area of interest. It displays a list of bookmarks, which typically are defined inside the WebMap.
Known Limitations
This widget is designed to work in 2D only, so it shouldn't be used in a SceneView.
Constructors
- new Bookmarks(properties)
- Parameter:properties Objectoptional
See the properties for a list of all the properties that may be passed into the constructor.
Property Overview
| Name | Type | Summary | Class | |
|---|---|---|---|---|
| Collection<Bookmark> | A collection of Bookmarks. more details | more details | Bookmarks | |
| String|HTMLElement | The ID or node representing the DOM element containing the widget. more details | more details | Widget | |
| String | The name of the class. more details | more details | Accessor | |
| Boolean | When | more details | Widget | |
| GoToOverride | This function provides the ability to override either the MapView goTo() or SceneView goTo() methods. more details | more details | Bookmarks | |
| String | The widget's default CSS icon class. more details | more details | Bookmarks | |
| String | The unique ID assigned to the widget when the widget is created. more details | more details | Widget | |
| String | The widget's default label. more details | more details | Bookmarks | |
| MapView | The view from which the widget will operate. more details | more details | Bookmarks | |
| BookmarksViewModel | The view model for this widget. more details | more details | Bookmarks |
Property Details
- bookmarks Collection<Bookmark>
A collection of Bookmarks.
The ID or node representing the DOM element containing the widget. This property can only be set once. The following examples are all valid use cases when working with widgets.
Examples:// Create the HTML div element programatically at runtime and set to the widget's container const basemapGallery = new BasemapGallery({ view: view, container: document.createElement("div") }); // Add the widget to the top-right corner of the view view.ui.add(basemapGallery, { position: "top-right" });// Specify an already-defined HTML div element in the widget's container const basemapGallery = new BasemapGallery({ view: view, container: basemapGalleryDiv }); // Add the widget to the top-right corner of the view view.ui.add(basemapGallery, { position: "top-right" }); // HTML markup <body> <div id="viewDiv"></div> <div id="basemapGalleryDiv"></div> </body>// Specify the widget while adding to the view's UI const basemapGallery = new BasemapGallery({ view: view }); // Add the widget to the top-right corner of the view view.ui.add(basemapGallery, { position: "top-right" });
The name of the class. The declared class name is formatted as
esri.folder.className.
When
true, this property indicates whether the widget has been destroyed.
- goToOverride
This function provides the ability to override either the MapView goTo() or SceneView goTo() methods.
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); };
- iconClass String
The widget's default CSS icon class.
The unique ID assigned to the widget when the widget is created. If not set by the developer, it will default to the container ID, or if that is not present then it will be automatically generated.
- label String
The widget's default label.
- view MapView
The view from which the widget will operate.
- viewModel autocast
The view model for this widget. This is a class that contains all the logic (properties and methods) that controls this widget's behavior. See the BookmarksViewModel class to access all properties and methods on the widget.
Method Overview
| Name | Return Type | Summary | Class | |
|---|---|---|---|---|
| String | A utility method used for building the value for a widget's | more details | Widget | |
Destroys the widget instance. more details | more details | Widget | ||
| Boolean | Emits an event on the instance. more details | more details | Widget | |
| Promise | Zoom to a specific bookmark. more details | more details | Bookmarks | |
| Boolean | Indicates whether there is an event listener on the instance that matches the provided event name. more details | more details | Widget | |
| Object | Registers an event handler on the instance. more details | more details | Widget | |
Widget teardown helper. more details | more details | Widget | ||
This method is primarily used by developers when implementing custom widgets. more details | more details | Widget | ||
| Object | This method is primarily used by developers when implementing custom widgets. more details | more details | Widget | |
Renders widget to the DOM immediately. more details | more details | Widget | ||
This method is primarily used by developers when implementing custom widgets. more details | more details | Widget |
Method Details
A utility method used for building the value for a widget's
classproperty. This aids in simplifying CSS class setup.Parameter:repeatable The class names.
Returns:Type Description String The computed class name. Example:// .tsx syntax showing how to set CSS classes while rendering the widget render() { const dynamicIconClasses = { [CSS.myIcon]: this.showIcon, [CSS.greyIcon]: !this.showIcon }; return ( <div class={classes(CSS.root, CSS.mixin, dynamicIconClasses)} /> ); }
- destroy()inherited
Destroys the widget instance.
Emits an event on the instance. This method should only be used when creating subclasses of this class.
Parameters:type StringThe name of the event.
event ObjectoptionalThe event payload.
Returns:Type Description Boolean trueif a listener was notified
- goTo(Bookmark){Promise}
Zoom to a specific bookmark.
Parameter:Bookmark BookmarkThe bookmark to zoom to.
Returns:Type Description Promise Resolves after the animation to specified bookmark finishes.
Indicates whether there is an event listener on the instance that matches the provided event name.
Parameter:type StringThe name of the event.
Returns:Type Description Boolean Returns true if the class supports the input event.
Registers an event handler on the instance. Call this method to hook an event with a listener.
Parameters:A event type, or an array of event types, to listen for.
listener FunctionThe function to call when the event is fired.
Returns:Type Description Object Returns an event handler with a remove()method that can be called to stop listening for the event(s).Property Type Description remove Function When called, removes the listener from the event. Example:view.on("click", function(event){ // event is the event handle returned after the event fires. console.log(event.mapPoint); });
- own(handles)inherited
Widget teardown helper. Any handles added to it will be automatically removed when the widget is destroyed.
Parameter:handles WatchHandle|WatchHandle[]Handles marked for removal once the widget is destroyed.
- postInitialize()inherited
This method is primarily used by developers when implementing custom widgets. Executes after widget is ready for rendering.
This method is primarily used by developers when implementing custom widgets. It must be implemented by subclasses for rendering.
Returns:Type Description Object The rendered virtual node.
- renderNow()inherited
Renders widget to the DOM immediately.
- scheduleRender()inherited
This method is primarily used by developers when implementing custom widgets. Schedules widget rendering. This method is useful for changes affecting the UI.
Event Overview
| Name | Type | Summary | Class | |
|---|---|---|---|---|
{bookmark: Bookmark} | Fires when a Bookmark is selected. more details | more details | Bookmarks |
Event Details
- select-bookmark
Fires when a Bookmark is selected.
- Property:
- bookmark Bookmark
The bookmark selected by the user.
Example:const bookmarksWidget = new Bookmarks({ view: view }); const bookmarksExpand = new Expand({ view: view, content: bookmarksWidget }); view.ui.add(bookmarksExpand, "top-right"); // collapses the associated Expand instance // when the user selects a bookmark bookmarksWidget.on("select-bookmark", function(event){ bookmarksExpand.expanded = false; });