Class ZoomControls

id

createDom

• createDom(): SVGElement

  Create the zoom controls.

  Returns SVGElement

  The zoom controls SVG group.

dispose

• dispose(): void

  Disposes of this zoom controls. Unlink from all DOM elements to prevent memory leaks.

  Returns void

getBoundingRectangle

• getBoundingRectangle(): Blockly.utils.Rect

  Returns the bounding rectangle of the UI element in pixel units relative to the Blockly injection div.

  Returns Blockly.utils.Rect

  The UI elements’s bounding box. Null if bounding box should be ignored by other UI elements.

init

• init(): void

  Initializes the zoom controls.

  Returns void

position

• position(metrics: UiMetrics, savedPositions: Blockly.utils.Rect[]): void

  Positions the zoom controls. It is positioned in the opposite corner to the corner the categories/toolbox starts at.

  Parameters

  • metrics: UiMetrics

    The workspace metrics.

  • savedPositions: Blockly.utils.Rect[]

    List of rectangles that are already on the workspace.

  Returns void