Blockly | Google for Developers

IConnectionPreviewer interface

Displays visual "previews" of where a block will be connected if it is dropped.

Signature:

export interface IConnectionPreviewer

Method	Description
dispose()	Dispose of any references held by this connection previewer.
hidePreview()	Hide any previews that are currently displayed.
previewConnection(draggedConn, staticConn)	Display a connection preview where the draggedCon connects to the staticCon, and no block is being relaced.
previewReplacement(draggedConn, staticConn, replacedBlock)	Display a connection preview where the draggedCon connects to the staticCon, replacing the replacedBlock (currently connected to the staticCon).

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Last updated 2024-09-18 UTC.