Class: BlockFieldIntermediateChange

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:27

Notifies listeners when the value of a block's field has changed but the change is not yet complete, and is expected to be followed by a block change event.

Extends

• BlockBase

Properties index

Property	Description
workspaceId	The workspace identifier for this event.
group	An ID for the group of events this block is associated with.
isUiEvent	Whether or not the event is a UI event.
isBlank	Whether or not the event was constructed without necessary parameters (to be populated by fromJson).
blockId	The ID of the block associated with this event.
type	Type of this event.
recordUndo	Whether this event is undoable or not.
name	The name of the field that changed.
oldValue	The original value of the element.
newValue	The new value of the element.

Methods index

Method	Description
getEventWorkspace_	Get workspace the event belongs to.
toJson	Encode the event as JSON.
isNull	Does this event record any change of state?
run	Run a change event.

Constructors

Constructor

new BlockFieldIntermediateChange(
   opt_block?, 
   opt_name?, 
   opt_oldValue?, 
   opt_newValue?
): BlockFieldIntermediateChange;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:57

Parameters

Parameter	Type	Description
opt_block?	Block	The changed block. Undefined for a blank event.
opt_name?	string	Name of the field affected.
opt_oldValue?	unknown	Previous value of element.
opt_newValue?	unknown	New value of element.

Returns

BlockFieldIntermediateChange

Overrides

BlockBase.constructor

Properties

workspaceId?

optional workspaceId?: string = undefined;

Defined in: packages/blockly/core/events/events_abstract.ts:30

The workspace identifier for this event.

Inherited from

BlockBase.workspaceId

---

group

group: string;

Defined in: packages/blockly/core/events/events_abstract.ts:38

An ID for the group of events this block is associated with.

Groups define events that should be treated as an single action from the user's perspective, and should be undone together.

Inherited from

BlockBase.group

---

isUiEvent

isUiEvent: boolean = false;

Defined in: packages/blockly/core/events/events_abstract.ts:44

Whether or not the event is a UI event.

Inherited from

BlockBase.isUiEvent

---

isBlank

isBlank: boolean = true;

Defined in: packages/blockly/core/events/events_block_base.ts:23

Whether or not the event was constructed without necessary parameters (to be populated by fromJson).

Inherited from

BlockBase.isBlank

---

blockId?

optional blockId?: string;

Defined in: packages/blockly/core/events/events_block_base.ts:26

The ID of the block associated with this event.

Inherited from

BlockBase.blockId

---

type

type: EventType = EventType.BLOCK_FIELD_INTERMEDIATE_CHANGE;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:28

Type of this event.

Overrides

BlockBase.type

---

recordUndo

recordUndo: boolean = false;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:40

Whether this event is undoable or not.

Overrides

BlockBase.recordUndo

---

name?

optional name?: string;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:43

The name of the field that changed.

---

oldValue

oldValue: unknown;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:46

The original value of the element.

---

newValue

newValue: unknown;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:49

The new value of the element.

Methods

getEventWorkspace_()

getEventWorkspace_(): Workspace;

Defined in: packages/blockly/core/events/events_abstract.ts:111

Get workspace the event belongs to.

Returns

Workspace

The workspace the event belongs to.

Throws

if workspace is null.

Inherited from

BlockBase.getEventWorkspace_

---

toJson()

toJson(): BlockFieldIntermediateChangeJson;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:78

Encode the event as JSON.

Returns

BlockFieldIntermediateChangeJson

JSON representation.

Overrides

BlockBase.toJson

---

isNull()

isNull(): boolean;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:122

Does this event record any change of state?

Returns

boolean

False if something changed.

Overrides

BlockBase.isNull

---

run()

run(forward): void;

Defined in: packages/blockly/core/events/events_block_field_intermediate_change.ts:131

Run a change event.

Parameters

Parameter	Type	Description
forward	boolean	True if run forward, false if run backward (undo).

Returns

void

Overrides

BlockBase.run