blockly > blockRendering > Renderer

blockRendering.Renderer class

The base class for a block renderer.

Signature:

export declare class Renderer implements IRegistrable 

Implements: IRegistrable

Constructors

Constructor	Modifiers	Description
(constructor)(name)		Constructs a new instance of the Renderer class

Properties

Property	Modifiers	Type	Description
constants_	protected	ConstantProvider	The renderer's constant provider.
name	protected	string
overrides	protected	object | null	Rendering constant overrides, passed in through options.

Methods

Method	Modifiers	Description
dispose()		Dispose of this renderer. Delete all DOM elements that this renderer and its constants created.
getClassName()		Gets the class name that identifies this renderer.
getConstants()		Get the current renderer's constant provider. We assume that when this is called, the renderer has already been initialized.
init(theme, opt_rendererOverrides)		Initialize the renderer.
makeConstants_()	protected	Create a new instance of the renderer's constant provider.
makeDrawer_(block, info)	protected	Create a new instance of the renderer's drawer.
makePathObject(root, style)		Create a new instance of a renderer path object.
makeRenderInfo_(block)	protected	Create a new instance of the renderer's render info object.
orphanCanConnectAtEnd(topBlock, orphanBlock, localType)	protected	Checks if an orphaned block can connect to the "end" of the topBlock's block-clump. If the clump is a row the end is the last input. If the clump is a stack, the end is the last next connection. If the clump is neither, then this returns false.
refreshDom(svg, theme, injectionDivIfIsParent)		Refresh the renderer after a theme change.
shouldHighlightConnection(_conn)		Determine whether or not to highlight a connection.