Blockly Framework Reference

BlocklyPanGestureRecognizer

@objcMembers open class BlocklyPanGestureRecognizer: UIGestureRecognizer

The blockly gesture recognizer, which detects pan gestures on blocks in the workspace.

Constants

• TouchState

  The states of the individual touches in the BlocklyPanGestureRecognizer

  Declaration

  Swift

  public enum TouchState: Int

Properties

• firstTouch

  Returns the first touch that’s been captured by this gesture recognizer, if it exists.

  Declaration

  Swift

  open var firstTouch: UITouch?

• maximumTouches

  Maximum number of touches handled by the recognizer

  Declaration

  Swift

  open var maximumTouches = Int.max

• minimumPanDistance

  The minimum distance for the gesture recognizer to count as a pan, in the UIView coordinate system.

  Declaration

  Swift

  open var minimumPanDistance: Float = 2.0

• targetDelegate

  The delegate this gestureRecognizer operates on (WorkbenchViewController by default).

  Declaration

  Swift

  open weak var targetDelegate: BlocklyPanGestureRecognizerDelegate?

Initializer

• init(targetDelegate:)

  Initializer for the BlocklyPanGestureRecognizer

  Declaration

  Swift

  public init(targetDelegate: BlocklyPanGestureRecognizerDelegate?)

Super

• touchesBegan(_:with:)

  Called when touches begin on the workspace.

  Declaration

  Swift

  open override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent)

• touchesMoved(_:with:)

  Called when touches are moved on the workspace.

  Declaration

  Swift

  open override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent)

• touchesEnded(_:with:)

  Called when touches end on a workspace.

  Declaration

  Swift

  open override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent)

• touchesCancelled(_:with:)

  Called when touches are cancelled on a workspace.

  Declaration

  Swift

  open override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent)

• reset()

  Called when the gesture recognizer terminates (ended, cancelled, or failed.) Cleans up internal references.

  Declaration

  Swift

  open override func reset()

• cancelAllTouches()

  Manually cancels the touches of the gesture recognizer.

  Declaration

  Swift

  public func cancelAllTouches()

• firstTouchDelta(inView:)

  Calculates the delta of the first touch in a given view.

  Declaration

  Swift

  open func firstTouchDelta(inView view: UIView?) -> CGPoint

  Return Value

  The difference between the current position and the previous position.

• replaceBlock(_:with:)

  Updates the block at the given index, when the BlockView has changed (typically when it is copied to a new workspace.)

  Declaration

  Swift

  open func replaceBlock(_ block: BlockView, with newBlock: BlockView)

• isTouchingView(_:)

  Checks if any touch handled by the gesture recognizer is inside a given view.

  Declaration

  Swift

  open func isTouchingView(_ view: UIView) -> Bool