blockly > dragging > BlockDragStrategy

dragging.BlockDragStrategy class

Signature:

export declare class BlockDragStrategy implements IDragStrategy 

Implements: IDragStrategy

Constructors

Constructor	Modifiers	Description
(constructor)(block)		Constructs a new instance of the BlockDragStrategy class

Properties

Property	Modifiers	Type	Description
BLOCK_CONNECTION_OFFSET	protected readonly	(not declared)
WORKSPACE_MARGIN	protected readonly	(not declared)	How far in from the edges of the workspace to position newly placed blocks.

Methods

Method	Modifiers	Description
drag(newLoc, e)		Moves the block and updates any connection previews.
endDrag(_e, disposition)		Cleans up any state at the end of the drag. Applies any pending connections.
findTraversalCandidate(delta)		Get the nearest valid candidate connection in traversal order.
getSearchRadius()	protected	Get the radius to use when searching for a nearby valid connection.
getTargetBlock()	protected	Returns the block to use for the current drag operation. This may create and return a newly instantiated block when e.g. dragging from a flyout.
isMovable()		Returns true if the block is currently movable. False otherwise.
revertDrag()		Moves the block back to where it was at the beginning of the drag, including reconnecting connections.
shouldHealStack(e)	protected	Get whether the drag should act on a single block or a block stack.
startDrag(e)		Handles any setup for starting the drag, including disconnecting the block from any parent blocks.