blockly > blockRendering > ConstantProvider

blockRendering.ConstantProvider class

An object that provides constants for rendering blocks.

Signature:

export declare class ConstantProvider 

Constructors

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

Properties

Property	Modifiers	Type	Description
ADD_START_HATS		boolean	Whether to add a 'hat' on top of all blocks with no previous or output connections. Can be overridden by 'hat' property on Theme.BlockStyle.
BETWEEN_STATEMENT_PADDING_Y		number	Vertical padding between consecutive statement inputs.
blockStyles		{ [key: string]: BlockStyle; }
BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT		number
BOTTOM_ROW_MIN_HEIGHT		number
CORNER_RADIUS		number	Rounded corner radius.
CURSOR_BLOCK_PADDING		number	Padding around a block.
CURSOR_COLOUR		string	Cursor colour.
CURSOR_STACK_PADDING		number	Padding around a stack.
CURSOR_STROKE_WIDTH		number	Stroke of the cursor.
CURSOR_WS_WIDTH		number	Width of the horizontal cursor.
debugFilterId		string	The ID of the debug filter, or the empty string if no pattern is set.
disabledPatternId		string	The ID of the disabled pattern, or the empty string if no pattern is set.
DUMMY_INPUT_MIN_HEIGHT		number
DUMMY_INPUT_SHADOW_MIN_HEIGHT		number
embossFilterId		string	The ID of the emboss filter, or the empty string if no filter is set.
EMPTY_BLOCK_SPACER_HEIGHT		number
EMPTY_INLINE_INPUT_HEIGHT		number
EMPTY_INLINE_INPUT_PADDING		number
EMPTY_STATEMENT_INPUT_HEIGHT		number
EXTERNAL_VALUE_INPUT_PADDING		number
FIELD_BORDER_RECT_COLOUR		string	The backing colour of a field's border rect.
FIELD_BORDER_RECT_HEIGHT		number	A field's border rect default height.
FIELD_BORDER_RECT_RADIUS		number	A field's border rect corner radius.
FIELD_BORDER_RECT_X_PADDING		number	A field's border rect X padding.
FIELD_BORDER_RECT_Y_PADDING		number	A field's border rect Y padding.
FIELD_CHECKBOX_X_OFFSET		number
FIELD_COLOUR_DEFAULT_HEIGHT		number
FIELD_COLOUR_DEFAULT_WIDTH		number	A colour field's default width.
FIELD_COLOUR_FULL_BLOCK		boolean	Whether or not the colour field should display its colour value on the entire block.
FIELD_DROPDOWN_BORDER_RECT_HEIGHT		number
FIELD_DROPDOWN_COLOURED_DIV		boolean	Whether or not a dropdown field's div should be coloured to match the block colours.
FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW		boolean	Whether or not a dropdown field should add a border rect when in a shadow block.
FIELD_DROPDOWN_SVG_ARROW_DATAURI		string
FIELD_DROPDOWN_SVG_ARROW_PADDING		number
FIELD_DROPDOWN_SVG_ARROW_SIZE		number	A dropdown field's SVG arrow size.
FIELD_DROPDOWN_SVG_ARROW		boolean	Whether or not a dropdown field uses a text or SVG arrow.
FIELD_TEXT_BASELINE_CENTER		boolean
FIELD_TEXT_BASELINE		number	Text baseline. This constant is dynamically set in setFontConstants_ to be the baseline of the text based on the font used.
FIELD_TEXT_FONTFAMILY		string	Text font family.
FIELD_TEXT_FONTSIZE		number	Point size of text.
FIELD_TEXT_FONTWEIGHT		string	Text font weight.
FIELD_TEXT_HEIGHT		number	Height of text. This constant is dynamically set in setFontConstants_ to be the height of the text based on the font used.
FIELD_TEXTINPUT_BOX_SHADOW		boolean	Whether or not to show a box shadow around the widget div. This is only a feature of full block fields.
FULL_BLOCK_FIELDS		boolean	Whether text input and colour fields fill up the entire source block.
INSERTION_MARKER_COLOUR		string	The main colour of insertion markers, in hex. The block is rendered a transparent grey by changing the fill opacity in CSS.
INSERTION_MARKER_OPACITY		number	The insertion marker opacity.
INSIDE_CORNERS		InsideCorners
JAGGED_TEETH_HEIGHT		number	Height of SVG path for jagged teeth at the end of collapsed blocks.
JAGGED_TEETH_WIDTH		number	Width of SVG path for jagged teeth at the end of collapsed blocks.
JAGGED_TEETH		JaggedTeeth
LARGE_PADDING		number	The size of large padding.
MARKER_COLOUR		string	Immovable marker colour.
MEDIUM_LARGE_PADDING		number	The size of medium-large padding.
MEDIUM_PADDING		number	The size of medium padding.
MIN_BLOCK_HEIGHT		number
MIN_BLOCK_WIDTH		number	The minimum width of the block.
NO_PADDING		number	The size of an empty spacer.
NOTCH_HEIGHT		number	The height of the notch used for previous and next connections.
NOTCH_OFFSET_LEFT		number	Offset from the left side of a block or the inside of a statement input to the left side of the notch.
NOTCH_WIDTH		number	The width of the notch used for previous and next connections.
NOTCH		Notch
OUTSIDE_CORNERS		OutsideCorners
PUZZLE_TAB		PuzzleTab
randomIdentifier		string
SHAPES		{ [key: string]: number; }
SMALL_PADDING		number	The size of small padding.
SPACER_DEFAULT_HEIGHT		number
START_HAT_HEIGHT		number	Height of the top hat.
START_HAT_WIDTH		number	Width of the top hat.
START_HAT		StartHat
START_POINT		string
STATEMENT_BOTTOM_SPACER		number
STATEMENT_INPUT_NOTCH_OFFSET		number
STATEMENT_INPUT_PADDING_LEFT		number
TAB_HEIGHT		number	The height of the puzzle tab used for input and output connections.
TAB_OFFSET_FROM_TOP		number	The offset from the top of the block at which a puzzle tab is positioned.
TAB_VERTICAL_OVERLAP		number	Vertical overlap of the puzzle tab, used to make it look more like a puzzle piece.
TAB_WIDTH		number	The width of the puzzle tab used for input and output connections.
TALL_INPUT_FIELD_OFFSET_Y		number
TOP_ROW_MIN_HEIGHT		number
TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT		number
WS_CURSOR_HEIGHT		number	Height of the horizontal cursor.

Methods

Method	Modifiers	Description
createBlockStyle_(colour)	protected	Create a block style object based on the given colour.
createDom(svg, tagName, selector)		Create any DOM elements that this renderer needs (filters, patterns, etc).
dispose()		Dispose of this constants provider. Delete all DOM elements that this provider created.
generateSecondaryColour_(inputColour)	protected	Generate a secondary colour from the passed in primary colour.
generateTertiaryColour_(inputColour)	protected	Generate a tertiary colour from the passed in primary colour.
getBlockStyle(blockStyleName)		Gets the BlockStyle for the given block style name.
getBlockStyleForColour(colour)		Get or create a block style based on a single colour value. Generate a name for the style based on the colour.
getCSS_(selector)	protected	Get any renderer specific CSS to inject when the renderer is initialized.
init()		Initialize shape objects based on the constants set in the constructor.
injectCSS_(tagName, selector)	protected	Inject renderer specific CSS into the page.
makeInsideCorners()	protected
makeJaggedTeeth()	protected
makeNotch()	protected
makeOutsideCorners()	protected
makePuzzleTab()	protected
makeStartHat()	protected
setComponentConstants_(theme)	protected	Set constants from a theme's component styles.
setDynamicProperties_(theme)	protected	Sets dynamic properties that depend on other values or theme properties.
setFontConstants_(theme)	protected	Set constants related to fonts.
setTheme(theme)		Refresh constants properties that depend on the theme.
shapeFor(connection)		Get an object with connection shape and sizing information based on the type of the connection.
validatedBlockStyle_(blockStyle)	protected	Get a full block style object based on the input style object. Populate any missing values.