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    Class Ui

    Fake class which should be extended to avoid inheriting static properties

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    group isBlank isUiEvent recordUndo type workspaceId

    Methods

    fromJson isNull run toJson

    Constructors

    • Class for a UI event.

      Parameters

      • Optionalopt_block: Blockly.Block

        The affected block. Null for UI events that do not have an associated block. Undefined for a blank event.

      • Optionalopt_element: string

        One of 'selected', 'comment', 'mutatorOpen', etc.

      • Optionalopt_oldValue: any

        Previous value of element.

      • Optionalopt_newValue: any

        New value of element.

      Returns Ui

      December 2020. Instead use a more specific UI event.

    Properties

    group: string

    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.

    isBlank: boolean

    Whether or not the event is blank (to be populated by fromJson).

    isUiEvent: boolean

    Whether or not the event is a UI event.

    recordUndo: boolean

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

    type: string

    Type of this event.

    workspaceId: string

    The workspace identifier for this event.

    Methods

    • Decode the JSON event.

      Parameters

      • json: Object

        JSON representation.

      Returns void

    • Does this event record any change of state?

      Returns boolean

      True if null, false if something changed.

    • Run an event.

      Parameters

      • _forward: boolean

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

      Returns void

    • Encode the event as JSON.

      Returns Object

      JSON representation.

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