RelationshipInput | API Reference | ArcGIS Maps SDK for JavaScript 4.30

This is a read-only support class that represents a relationship input field. It is used by the FeatureForm widget. The values are computed internally by the FeatureFormViewModel.

See also

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 input's description.	RelationshipInput
Number	A numeric value indicating the maximum number of related features to display in the list of related records.	RelationshipInput
String	A string value indicating how to display related records within the relationship content.	RelationshipInput
Boolean	Indicates whether the input is editable.	RelationshipInput
GroupInput	The group containing the relationship input.	RelationshipInput
RelatedRecordsInfoFieldOrder []	An array of RelatedRecordsInfoFieldOrder objects indicating the field display order for the related records and whether they should be sorted in ascending `asc` or descending `desc` order.	RelationshipInput
String	The type of input.	RelationshipInput
Boolean	Indicates whether the form is currently updating.	RelationshipInput

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.

description Property description Stringreadonly

The input's description.

displayCount Property displayCount Numberreadonly

A numeric value indicating the maximum number of related features to display in the list of related records. If no value is specified, the Show all button will be available to display all related records and the associated FeatureForm/RelationshipInput defaults to 3. If the total amount of features is greater than the displayCount, a Show all button displays.

Default Value:3

displayType Property displayType Stringreadonly

A string value indicating how to display related records within the relationship content. Currently, list is the only supported value.

Value	Description
list	Shows a list of related records from the specified relationship.

For RelationshipInput the displayType is always "list".

Default Value:"list"

editable Property editable Booleanreadonly

Indicates whether the input is editable.

group Property group GroupInputreadonly

The group containing the relationship input.

orderByFields Property orderByFields RelatedRecordsInfoFieldOrder[]readonly

An array of RelatedRecordsInfoFieldOrder objects indicating the field display order for the related records and whether they should be sorted in ascending asc or descending desc order.

type Property type Stringreadonly

The type of input.

For RelationshipInput the type is always "relationship".

updating Property updating Booleanreadonly

Indicates whether the form is currently updating.

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

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

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

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");