Class: VarDelete

Defined in: packages/blockly/core/events/events_var_delete.ts:22

Notifies listeners that a variable model has been deleted.

Extends

• VarBase

Properties index

Property	Description
workspaceId	The workspace identifier for this event.
group	An ID for the group of events this block is associated with.
recordUndo	Whether this event is undoable or not.
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).
varId	The ID of the variable this event references.
type	Type of this event.
varType	The type of the variable that was deleted.
varName	The name of the variable that was deleted.

Methods index

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

Constructors

Constructor

new VarDelete(opt_variable?): VarDelete;

Defined in: packages/blockly/core/events/events_var_delete.ts:32

Parameters

Parameter	Type	Description
opt_variable?	IVariableModel<IVariableState>	The deleted variable. Undefined for a blank event.

Returns

VarDelete

Overrides

VarBase.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

VarBase.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

VarBase.group

---

recordUndo

recordUndo: boolean;

Defined in: packages/blockly/core/events/events_abstract.ts:41

Whether this event is undoable or not.

Inherited from

VarBase.recordUndo

---

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

VarBase.isUiEvent

---

isBlank

isBlank: boolean = true;

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

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

Inherited from

VarBase.isBlank

---

varId?

optional varId?: string;

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

The ID of the variable this event references.

Inherited from

VarBase.varId

---

type

type: EventType = EventType.VAR_DELETE;

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

Type of this event.

Overrides

VarBase.type

---

varType?

optional varType?: string;

Defined in: packages/blockly/core/events/events_var_delete.ts:25

The type of the variable that was deleted.

---

varName?

optional varName?: string;

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

The name of the variable that was deleted.

Methods

isNull()

isNull(): boolean;

Defined in: packages/blockly/core/events/events_abstract.ts:91

Does this event record any change of state?

Returns

boolean

True if null, false if something changed.

Inherited from

VarBase.isNull

---

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

VarBase.getEventWorkspace_

---

toJson()

toJson(): VarDeleteJson;

Defined in: packages/blockly/core/events/events_var_delete.ts:47

Encode the event as JSON.

Returns

VarDeleteJson

JSON representation.

Overrides

VarBase.toJson

---

run()

run(forward): void;

Defined in: packages/blockly/core/events/events_var_delete.ts:95

Run a variable deletion event.

Parameters

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

Returns

void

Overrides

VarBase.run