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Class: Click

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

Notifies listeners that some blockly element was clicked.

Extends​

Properties index​

PropertyDescription
groupAn ID for the group of events this block is associated with.
blockIdThe ID of the block that was clicked, if a block was clicked.
targetTypeThe type of element that was clicked; one of 'block', 'workspace', or 'zoom_controls'.
typeType of this event.
isBlankWhether or not the event was constructed without necessary parameters (to be populated by fromJson).
workspaceIdThe workspace identifier for this event.
recordUndoWhether this event is undoable or not.
isUiEventWhether or not the event is a UI event.

Methods index​

MethodDescription
isNullDoes this event record any change of state?
runRun an event.
getEventWorkspace_Get workspace the event belongs to.
toJsonEncode the event as JSON.

Constructors​

Constructor​

new Click(
opt_block?,
opt_workspaceId?,
opt_targetType?
): Click;

Defined in: packages/blockly/core/events/events_click.ts:45

Parameters​

ParameterTypeDescription
opt_block?Block | nullThe affected block. Null for click events that do not have an associated block (i.e. workspace click). Undefined for a blank event.
opt_workspaceId?string | nullThe workspace identifier for this event. Not used if block is passed. Undefined for a blank event.
opt_targetType?ClickTargetThe type of element targeted by this click event. Undefined for a blank event.

Returns​

Click

Overrides​

UiBase.constructor

Properties​

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​

UiBase.group


blockId?​

optional blockId?: string;

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

The ID of the block that was clicked, if a block was clicked.


targetType?​

optional targetType?: ClickTarget;

Defined in: packages/blockly/core/events/events_click.ts:33

The type of element that was clicked; one of 'block', 'workspace', or 'zoom_controls'.


type​

type: EventType = EventType.CLICK;

Defined in: packages/blockly/core/events/events_click.ts:34

Type of this event.

Overrides​

UiBase.type


isBlank​

isBlank: boolean = true;

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

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

Inherited from​

UiBase.isBlank


workspaceId​

workspaceId: string;

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

The workspace identifier for this event.

Inherited from​

UiBase.workspaceId


recordUndo​

recordUndo: boolean = false;

Defined in: packages/blockly/core/events/events_ui_base.ts:29

Whether this event is undoable or not.

Inherited from​

UiBase.recordUndo


isUiEvent​

isUiEvent: boolean = true;

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

Whether or not the event is a UI event.

Inherited from​

UiBase.isUiEvent

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​

UiBase.isNull


run()​

run(_forward): void;

Defined in: packages/blockly/core/events/events_abstract.ts:100

Run an event.

Parameters​

ParameterTypeDescription
_forwardbooleanTrue if run forward, false if run backward (undo).

Returns​

void

Inherited from​

UiBase.run


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​

UiBase.getEventWorkspace_


toJson()​

toJson(): ClickJson;

Defined in: packages/blockly/core/events/events_click.ts:65

Encode the event as JSON.

Returns​

ClickJson

JSON representation.

Overrides​

UiBase.toJson