PieChartMediaInfo

// Create a new PieChart to display within the PopupTemplate
// Create the ChartMediaInfoValue
let pieChartValue = new ChartMediaInfoValue({
  fields: ["<array of strings indicating fields>"],
  normalizeField: null,
  tooltipField: "<field name>"
});

// Create the PieChartMediaInfo media type
let pieChart = new PieChartMediaInfo({
  title: "<b>Count by type</b>",
  caption: "Per block",
  value: pieChartValue
});

// Create the MediaContent
let mediaElement = new MediaContent({
  mediaInfos: [pieChart]
});

Property Overview

Property Details

altText String

Since: ArcGIS Maps SDK for JavaScript 4.16

Provides an alternate text for an image if the image cannot be displayed.

caption String

Defines a caption for the media.

declaredClass Stringreadonly inherited

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

title String

The title of the media element.

type Stringreadonly

Indicates the type of chart.

Default Value:pie-chart

value ChartMediaInfoValueautocast

Defines the chart value.

Method Overview

Method Details

addHandles(handleOrHandles, groupKey)inherited

Since: ArcGIS Maps SDK for JavaScript 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.

clone(){PieChartMediaInfo}

Creates a deep clone of the PieChartMediaInfo class.

Returns

Type	Description
PieChartMediaInfo	A deep clone of the PieChartMediaInfo instance.

fromJSON(json){*}static

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.

Parameter

json Object A JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects.

Returns

Type	Description
*	Returns a new instance of this class.

hasHandles(groupKey){Boolean}inherited

Since: ArcGIS Maps SDK for JavaScript 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(groupKey)inherited

Since: ArcGIS Maps SDK for JavaScript 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");

toJSON(){Object}

Converts an instance of this class to its ArcGIS portal JSON representation. See the Using fromJSON() guide topic for more information.

Returns

Type	Description
Object	The ArcGIS portal JSON representation of an instance of this class.