blockly > Icon

Icon class

Class for an icon.

Signature:

export declare abstract class Icon 

Constructors

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

Properties

Property	Modifiers	Type	Description
block_	protected	BlockSvg | null
bubble_	protected	Bubble | null	Bubble UI (if visible).
collapseHidden		boolean	Whether this icon gets hidden when the block is collapsed.
iconGroup_		SVGGElement | null	The icon SVG group.
iconXY_	protected	Coordinate | null	Absolute coordinate of icon's center.
SIZE	readonly	(not declared)	Height and width of icons.

Methods

Method	Modifiers	Description
applyColour()		Change the colour of the associated bubble to match its block.
computeIconLocation()		Notification that the icon has moved, but we don't really know where. Recompute the icon's location from scratch.
createIcon()		Create the icon on the block.
dispose()		Dispose of this icon.
drawIcon_(_group)	protected	Draw the icon.
getBlock()	protected
getCorrectedSize()		Get the size of the icon as used for rendering. This differs from the actual size of the icon, because it bulges slightly out of its row rather than increasing the height of its row.
getIconLocation()		Returns the center of the block's icon relative to the surface.
iconClick_(e)	protected	Clicking on the icon toggles if the bubble is visible.
isVisible()		Is the associated bubble visible?
setIconLocation(xy)		Notification that the icon has moved. Update the arrow accordingly.
setVisible(_visible)		Show or hide the bubble.
updateEditable()		Add or remove the UI indicating if this icon may be clicked or not.