Class: CommentChange

Blockly.Events.CommentChange

class   static

Class for a comment change event.

Constructor

CommentChange

new CommentChange(opt_comment, opt_oldContents, opt_newContents)

Parameter
opt_comment	Optional The comment that is being changed. Undefined for a blank event. Value must not be null.
opt_oldContents	Optional Previous contents of the comment.
opt_newContents	Optional New contents of the comment.

Extends

Blockly.Events.CommentBase

Properties

commentId

unknown

The ID of the comment this event pertains to.

Inherited from

Blockly.Events.CommentBase#commentId

group

unknown

The event group id for the group this event belongs to. Groups define events that should be treated as an single action from the user's perspective, and should be undone together.

Inherited from

Blockly.Events.CommentBase#group

isBlank

unknown

Whether or not an event is blank.

Inherited from

Blockly.Events.CommentBase#isBlank

isUiEvent

unknown

Whether or not the event is a UI event.

Inherited from

Blockly.Events.Abstract#isUiEvent

recordUndo

unknown

Sets whether the event should be added to the undo stack.

Inherited from

Blockly.Events.CommentBase#recordUndo

type

string

Type of this event.

workspaceId

unknown

The workspace identifier for this event.

Inherited from

Blockly.Events.CommentBase#workspaceId

Methods

fromJson

fromJson(json)

Decode the JSON event.

Parameter
json	Object JSON representation. Value must not be null.

getEventWorkspace_

protected

getEventWorkspace_() returns Blockly.Workspace

Get workspace the event belongs to.

Inherited from

Blockly.Events.Abstract#getEventWorkspace_

Throws

if workspace is null.

Returns

The workspace the event belongs to.

isNull

isNull() returns boolean

Does this event record any change of state?

Returns

boolean False if something changed.

run

run(forward)

Run a change event.

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

toJson

toJson() returns Object

Encode the event as JSON.

Returns

non-null Object JSON representation.