Blockly.Events. BlockBase
Abstract class for a block event.
Constructor
BlockBase
new BlockBase(opt_block)
Parameter |
|
|---|---|
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opt_block |
Optional The block this event corresponds to. Undefined for a blank event. Value must not be null. |
- Extends
- Blockly.Events.Abstract
Properties
blockId
string
The block ID for the block this event pertains to
workspaceId
string
The workspace identifier for this event.
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.Abstract#group
isBlank
unknown
Whether or not the event is blank (to be populated by fromJson).
- Inherited from
- Blockly.Events.Abstract#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.Abstract#recordUndo
type
unknown
Type of this event.
- Inherited from
- Blockly.Events.Abstract#type
Methods
fromJson
fromJson(json)
Decode the JSON event.
Parameter |
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|---|---|
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json |
Object JSON representation. Value must not be null. |
toJson
toJson() returns Object
Encode the event as JSON.
- Returns
-
non-null ObjectJSON representation.
getEventWorkspace_
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?
- Inherited from
- Blockly.Events.Abstract#isNull
- Returns
-
True if null, false if something changed.
run
run(_forward)
Run an event.
Parameter |
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|---|---|
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_forward |
True if run forward, false if run backward (undo). |
- Inherited from
- Blockly.Events.Abstract#run