Class: BlockSvg

Blockly.BlockSvg

class   static

Constructor

BlockSvg

new BlockSvg(workspace, prototypeName, opt_id)

Class for a block's SVG representation. Not normally called directly, workspace.newBlock() is preferred.

Parameter
workspace	Blockly.WorkspaceSvg The block's workspace. Value must not be null.
prototypeName	string Name of the language object containing type-specific functions for this block. Value may be null.
opt_id	Optional string Optional ID. Use this ID if provided, otherwise create a new ID.

Extends

Blockly.Block

Properties

COLLAPSED_WARNING_ID

constant   static

string

ID to give the "collapsed warnings" warning. Allows us to remove the "collapsed warnings" warning without removing any warnings that belong to the block.

INLINE

constant   static

Constant for identifying rows that are to be rendered inline. Don't collide with Blockly.INPUT_VALUE and friends.

MIN_BLOCK_Y

constant   package   static

Minimum height of a block.

SEP_SPACE_Y

constant   package   static

Vertical space between elements.

START_HAT

constant   package   static

Do blocks with no previous or output connections have a 'hat' on top?

TAB_WIDTH

constant   package   static

Width of horizontal puzzle tab.

childBlocks_

protected

unknown

Inherited from

Blockly.Block#childBlocks_

collapsed_

protected

unknown

Inherited from

Blockly.Block#collapsed_

comment

Blockly.Comment

Block's comment icon (if any).

Deprecated

August 2019. Use getCommentIcon instead.

commentModel

package

unknown

A model of the comment attached to this block.

Inherited from

Blockly.Block#commentModel

compose

nullable function(non-null Blockly.BlockSvg)

An optional method called when a mutator dialog saves its content. This function is called to modify the original block according to new settings. This method must also be coupled with defining a decompose method for the default mutation dialog button and UI to appear.

contextMenu

unknown

Inherited from

Blockly.Block#contextMenu

data

unknown

Optional text data that round-trips between blocks and XML. Has no effect. May be used by 3rd parties for meta information.

Inherited from

Blockly.Block#data

decompose

nullable function(Blockly.WorkspaceSvg) returns non-null Blockly.BlockSvg

An optional method called when a mutator dialog is first opened. This function must create and initialize a top-level block for the mutator dialog, and return it. This function should also populate this top-level block with any sub-blocks which are appropriate. This method must also be coupled with defining a compose method for the default mutation dialog button and UI to appear.

disposed

package

unknown

Has this block been disposed of?

Inherited from

Blockly.Block#disposed

domToMutation

unknown

An optional deserialization method for defining how to deserialize the mutation state. This must be coupled with defining mutationToDom.

Inherited from

Blockly.Block#domToMutation

hat

unknown

Name of the type of hat.

Inherited from

Blockly.Block#hat

height

Height of this block, not including any statement blocks above or below. Height is in workspace units.

id

unknown

Inherited from

Blockly.Block#id

inputList

unknown

Inherited from

Blockly.Block#inputList

inputsInline

unknown

Inherited from

Blockly.Block#inputsInline

inputsInlineDefault

unknown

Inherited from

Blockly.Block#inputsInlineDefault

isInFlyout

unknown

Inherited from

Blockly.Block#isInFlyout

isInMutator

unknown

Inherited from

Blockly.Block#isInMutator

isInsertionMarker_

protected

unknown

True if this block is an insertion marker.

Inherited from

Blockly.Block#isInsertionMarker_

mutationToDom

unknown

An optional serialization method for defining how to serialize the mutation state. This must be coupled with defining domToMutation.

Inherited from

Blockly.Block#mutationToDom

mutator

Blockly.Mutator

Block's mutator icon (if any).

nextConnection

unknown

Inherited from

Blockly.Block#nextConnection

outputConnection

unknown

Inherited from

Blockly.Block#outputConnection

parentBlock_

protected

unknown

Inherited from

Blockly.Block#parentBlock_

pathObject

package

Blockly.blockRendering.IPathObject

The renderer's path object.

previousConnection

unknown

Inherited from

Blockly.Block#previousConnection

rendered

boolean

RTL

unknown

Inherited from

Blockly.Block#RTL

suppressPrefixSuffix

unknown

An optional property for suppressing adding STATEMENT_PREFIX and STATEMENT_SUFFIX to generated code.

Inherited from

Blockly.Block#suppressPrefixSuffix

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

svgGroup_

non-null Element

tooltip

unknown

Inherited from

Blockly.Block#tooltip

type

unknown

Inherited from

Blockly.Block#type

warning

Blockly.Warning

Block's warning icon (if any).

width

Width of this block, including any connected value blocks. Width is in workspace units.

workspace

non-null Blockly.WorkspaceSvg

Methods

addSelect

addSelect()

Select this block. Highlight it visually.

allInputsFilled

allInputsFilled(opt_shadowBlocksAreFilled) returns boolean

Recursively checks whether all statement and value inputs are filled with blocks. Also checks all following statement blocks in this stack.

Parameter
opt_shadowBlocksAreFilled	Optional An optional argument controlling whether shadow blocks are counted as filled. Defaults to true.

Inherited from

Blockly.Block#allInputsFilled

Returns

True if all inputs are filled, false otherwise.

appendDummyInput

appendDummyInput(opt_name) returns Blockly.Input

Shortcut for appending a dummy input row.

Parameter
opt_name	Optional Language-neutral identifier which may used to find this input again. Should be unique to this block.

Inherited from

Blockly.Block#appendDummyInput

Returns

The input object created.

appendStatementInput

appendStatementInput(name) returns Blockly.Input

Shortcut for appending a statement input row.

Parameter
name	Language-neutral identifier which may used to find this input again. Should be unique to this block.

Inherited from

Blockly.Block#appendStatementInput

Returns

The input object created.

appendValueInput

appendValueInput(name) returns Blockly.Input

Shortcut for appending a value input row.

Parameter
name	Language-neutral identifier which may used to find this input again. Should be unique to this block.

Inherited from

Blockly.Block#appendValueInput

Returns

The input object created.

bringToFront

package

bringToFront()

Move this block to the front of the visible workspace. tags do not respect z-index so SVG renders them in the order that they are in the DOM. By placing this block first within the block group's , it will render on top of any other blocks.

bumpNeighbours

bumpNeighbours()

Bump unconnected blocks out of alignment. Two blocks which aren't actually connected should not coincidentally line up on screen.

dispose

dispose(healStack, animate)

Dispose of this block.

Parameter
healStack	Optional boolean If true, then try to heal any gap by connecting the next statement with the previous statement. Otherwise, dispose of all children of this block.
animate	Optional boolean If true, show a disposal animation and sound.

generateContextMenu

protected

generateContextMenu() returns Array of non-null Object

Generate the context menu for this block.

Returns

Array of non-null Object Context menu options

getBoundingRectangle

getBoundingRectangle() returns Blockly.utils.Rect

Returns the coordinates of a bounding box describing the dimensions of this block and any blocks stacked below it. Coordinate system: workspace coordinates.

Returns

non-null Blockly.utils.Rect Object with coordinates of the bounding box.

getChildren

getChildren(ordered) returns Array of non-null Blockly.Block

Find all the blocks that are directly nested inside this one. Includes value and statement inputs, as well as any following statement. Excludes any connection on an output tab or any preceding statement. Blocks are optionally sorted by position; top to bottom.

Parameter
ordered	Sort the list if true.

Inherited from

Blockly.Block#getChildren

Returns

Array of blocks.

getColour

getColour() returns string

Get the colour of a block.

Inherited from

Blockly.Block#getColour

Returns

#RRGGBB string.

getColourBorder

package

getColourBorder() returns Object

Get the border colour(s) of a block.

Inherited from

Blockly.Block#getColourBorder

Returns

An object containing colour values for the border(s) of the block. If the block is using a style the colourBorder will be defined and equal to the tertiary colour of the style (#RRGGBB string). Otherwise the colourDark and colourLight attributes will be defined (#RRGGBB strings).

getColourSecondary

getColourSecondary() returns string

Get the secondary colour of a block.

Inherited from

Blockly.Block#getColourSecondary

Returns

#RRGGBB string.

getColourShadow

getColourShadow() returns string

Get the shadow colour of a block.

Inherited from

Blockly.Block#getColourShadow

Returns

#RRGGBB string.

getColourTertiary

getColourTertiary() returns string

Get the tertiary colour of a block.

Inherited from

Blockly.Block#getColourTertiary

Returns

#RRGGBB string.

getCommentIcon

getCommentIcon() returns Blockly.Comment

Get the comment icon attached to this block, or null if the block has no comment.

Returns

Blockly.Comment The comment icon attached to this block, or null.

getCommentText

getCommentText() returns string

Returns the comment on this block (or null if there is no comment).

Inherited from

Blockly.Block#getCommentText

Returns

Block's comment.

getConnections_

package

getConnections_(all) returns Array of non-null Blockly.Connection

Returns connections originating from this block.

Parameter
all	boolean If true, return all connections even hidden ones. Otherwise, for a non-rendered block return an empty list, and for a collapsed block don't return inputs connections.

Returns

non-null Array of non-null Blockly.Connection Array of connections.

getDescendants

getDescendants(ordered) returns Array of non-null Blockly.Block

Find all the blocks that are directly or indirectly nested inside this one. Includes this block in the list. Includes value and statement inputs, as well as any following statements. Excludes any connection on an output tab or any preceding statements. Blocks are optionally sorted by position; top to bottom.

Parameter
ordered	Sort the list if true.

Inherited from

Blockly.Block#getDescendants

Returns

Flattened array of blocks.

getField

getField(name) returns Blockly.Field

Returns the named field from a block.

Parameter
name	The name of the field.

Inherited from

Blockly.Block#getField

Returns

Named field, or null if field does not exist.

getFieldValue

getFieldValue(name) returns any type

Returns the language-neutral value from the field of a block.

Parameter
name	The name of the field.

Inherited from

Blockly.Block#getFieldValue

Returns

Value from the field or null if field does not exist.

getFirstStatementConnection

package

getFirstStatementConnection() returns Blockly.Connection

Return the connection on the first statement input on this block, or null if there are none.

Inherited from

Blockly.Block#getFirstStatementConnection

Returns

The first statement connection or null.

getHeightWidth

package

getHeightWidth() returns Object

Returns a bounding box describing the dimensions of this block and any blocks stacked below it.

Returns

non-null {height: number, width: number} Object with height and width properties in workspace units.

getHue

getHue() returns number

Get the HSV hue value of a block. Null if hue not set.

Inherited from

Blockly.Block#getHue

Returns

Hue value (0-360).

getIcons

getIcons() returns Array

Returns a list of mutator, comment, and warning icons.

Returns

non-null Array List of icons.

getInheritedDisabled

getInheritedDisabled() returns boolean

Get whether the block is disabled or not due to parents. The block's own disabled property is not considered.

Inherited from

Blockly.Block#getInheritedDisabled

Returns

True if disabled.

getInput

getInput(name) returns Blockly.Input

Fetches the named input object.

Parameter
name	The name of the input.

Inherited from

Blockly.Block#getInput

Returns

The input object, or null if input does not exist.

getInputsInline

getInputsInline() returns boolean

Get whether value inputs are arranged horizontally or vertically.

Inherited from

Blockly.Block#getInputsInline

Returns

True if inputs are horizontal.

getInputTargetBlock

getInputTargetBlock(name) returns Blockly.Block

Fetches the block attached to the named input.

Parameter
name	The name of the input.

Inherited from

Blockly.Block#getInputTargetBlock

Returns

The attached value block, or null if the input is either disconnected or if the input does not exist.

getInputWithBlock

getInputWithBlock(block) returns Blockly.Input

Return the input that connects to the specified block.

Parameter
block	A block connected to an input on this block. Value must not be null.

Inherited from

Blockly.Block#getInputWithBlock

Returns

The input that connects to the specified block.

getMatchingConnection

package

getMatchingConnection(otherBlock, conn) returns Blockly.Connection

Find the connection on this block that corresponds to the given connection on the other block. Used to match connections between a block and its insertion marker.

Parameter
otherBlock	The other block to match against. Value must not be null.
conn	The other connection to match. Value must not be null.

Inherited from

Blockly.Block#getMatchingConnection

Returns

The matching connection on this block, or null.

getNextBlock

getNextBlock() returns Blockly.Block

Return the next statement block directly connected to this block.

Inherited from

Blockly.Block#getNextBlock

Returns

The next statement block or null.

getParent

getParent() returns Blockly.Block

Return the parent block or null if this block is at the top level.

Inherited from

Blockly.Block#getParent

Returns

The block that holds the current block.

getPreviousBlock

getPreviousBlock() returns Blockly.Block

Return the previous statement block directly connected to this block.

Inherited from

Blockly.Block#getPreviousBlock

Returns

The previous statement block or null.

getRelativeToSurfaceXY

getRelativeToSurfaceXY() returns Blockly.utils.Coordinate

Return the coordinates of the top-left corner of this block relative to the drawing surface's origin (0,0), in workspace units. If the block is on the workspace, (0, 0) is the origin of the workspace coordinate system. This does not change with workspace scale.

Returns

non-null Blockly.utils.Coordinate Object with .x and .y properties in workspace coordinates.

getRootBlock

getRootBlock() returns Blockly.Block

Return the top-most block in this block's tree. This will return itself if this block is at the top level.

Inherited from

Blockly.Block#getRootBlock

Returns

The root block.

getStyleName

getStyleName() returns string

Get the name of the block style.

Inherited from

Blockly.Block#getStyleName

Returns

Name of the block style.

getSurroundParent

getSurroundParent() returns Blockly.Block

Return the parent block that surrounds the current block, or null if this block has no surrounding block. A parent block might just be the previous statement, whereas the surrounding block is an if statement, while loop, etc.

Inherited from

Blockly.Block#getSurroundParent

Returns

The block that surrounds the current block.

getSvgRoot

getSvgRoot() returns SVGElement

Return the root node of the SVG or null if none exists.

Returns

SVGElement The root SVG node (probably a group).

getVarModels

package

getVarModels() returns Array of non-null Blockly.VariableModel

Return all variables referenced by this block.

Inherited from

Blockly.Block#getVarModels

Returns

List of variable models.

getVars

package

getVars() returns Array of string

Return all variables referenced by this block.

Inherited from

Blockly.Block#getVars

Returns

List of variable names.

highlightForReplacement

package

highlightForReplacement(add)

Visual effect to show that if the dragging block is dropped, this block will be replaced. If a shadow block, it will disappear. Otherwise it will bump.

Parameter
add	boolean True if highlighting should be added.

initModel

public

initModel()

Call initModel on all fields on the block. May be called more than once. Either initModel or initSvg must be called after creating a block and before the first interaction with it. Interactions include UI actions (e.g. clicking and dragging) and firing events (e.g. create, delete, and change).

Inherited from

Blockly.Block#initModel

initSvg

initSvg()

Create and initialize the SVG representation of the block. May be called more than once.

isCollapsed

isCollapsed() returns boolean

Get whether the block is collapsed or not.

Inherited from

Blockly.Block#isCollapsed

Returns

True if collapsed.

isDeletable

isDeletable() returns boolean

Get whether this block is deletable or not.

Inherited from

Blockly.Block#isDeletable

Returns

True if deletable.

isDuplicatable

isDuplicatable() returns boolean

Get whether is block is duplicatable or not. If duplicating this block and descendants will put this block over the workspace's capacity this block is not duplicatable. If duplicating this block and descendants will put any type over their maxInstances this block is not duplicatable.

Inherited from

Blockly.Block#isDuplicatable

Returns

True if duplicatable.

isEditable

isEditable() returns boolean

Get whether this block is editable or not.

Inherited from

Blockly.Block#isEditable

Returns

True if editable.

isEnabled

isEnabled() returns boolean

Get whether this block is enabled or not.

Inherited from

Blockly.Block#isEnabled

Returns

True if enabled.

isInsertionMarker

package

isInsertionMarker() returns boolean

Get whether this block is an insertion marker block or not.

Inherited from

Blockly.Block#isInsertionMarker

Returns

True if an insertion marker.

isMovable

isMovable() returns boolean

Get whether this block is movable or not.

Inherited from

Blockly.Block#isMovable

Returns

True if movable.

isShadow

isShadow() returns boolean

Get whether this block is a shadow block or not.

Inherited from

Blockly.Block#isShadow

Returns

True if a shadow.

jsonInit

jsonInit(json)

Initialize this block using a cross-platform, internationalization-friendly JSON description.

Parameter
json	Structured data describing the block. Value must not be null.

Inherited from

Blockly.Block#jsonInit

lastConnectionInStack

package

lastConnectionInStack() returns Blockly.Connection

Walks down a stack of blocks and finds the last next connection on the stack.

Inherited from

Blockly.Block#lastConnectionInStack

Returns

The last next connection on the stack, or null.

markDirty

markDirty()

Notify every input on this block to mark its fields as dirty. A dirty field is a field that needs to be re-rendererd.

mixin

mixin(mixinObj, opt_disableCheck)

Add key/values from mixinObj to this block object. By default, this method will check that the keys in mixinObj will not overwrite existing values in the block, including prototype values. This provides some insurance against mixin / extension incompatibilities with future block features. This check can be disabled by passing true as the second argument.

Parameter
mixinObj	The key/values pairs to add to this block object. Value must not be null.
opt_disableCheck	Optional Option flag to disable overwrite checks.

Inherited from

Blockly.Block#mixin

moveBy

moveBy(dx, dy)

Move a block by a relative offset.

Parameter
dx	number Horizontal offset in workspace units.
dy	number Vertical offset in workspace units.

moveDuringDrag

package

moveDuringDrag(newLoc)

Move this block during a drag, taking into account whether we are using a drag surface to translate blocks. This block must be a top-level block.

Parameter
newLoc	Blockly.utils.Coordinate The location to translate to, in workspace coordinates. Value must not be null.

moveInputBefore

moveInputBefore(name, refName)

Move a named input to a different location on this block.

Parameter
name	The name of the input to move.
refName	Name of input that should be after the moved input, or null to be the input at the end. Value may be null.

Inherited from

Blockly.Block#moveInputBefore

moveNumberedInputBefore

moveNumberedInputBefore(inputIndex, refIndex)

Move a numbered input to a different location on this block.

Parameter
inputIndex	number Index of the input to move.
refIndex	number Index of input that should be after the moved input.

moveTo

moveTo(xy)

Move a block to a position.

Parameter
xy	Blockly.utils.Coordinate The position to move to in workspace units.

positionNearConnection

positionNearConnection(sourceConnection, targetConnection)

Position a block so that it doesn't move the target block when connected. The block to position is usually either the first block in a dragged stack or an insertion marker.

Parameter
sourceConnection	Blockly.Connection The connection on the moving block's stack. Value must not be null.
targetConnection	Blockly.Connection The connection that should stay stationary as this block is positioned. Value must not be null.

positionNewBlock

package

positionNewBlock(newBlock, newConnection, existingConnection)

Position a new block correctly, so that it doesn't move the existing block when connected to it.

Parameter
newBlock	Blockly.Block The block to position - either the first block in a dragged stack or an insertion marker. Value must not be null.
newConnection	Blockly.Connection The connection on the new block's stack - either a connection on newBlock, or the last NEXT_STATEMENT connection on the stack if the stack's being dropped before another block. Value must not be null.
existingConnection	Blockly.Connection The connection on the existing block, which newBlock should line up with. Value must not be null.

removeInput

removeInput(name, opt_quiet)

Remove an input from this block.

Parameter
name	string The name of the input.
opt_quiet	Optional boolean True to prevent error if input is not present.

Throws

Error if the input is not present and opt_quiet is not true.

removeSelect

removeSelect()

Unselect this block. Remove its highlighting.

renameVarById

renameVarById(oldId, newId)

Notification that a variable is renaming. If the ID matches one of this block's variables, rename it.

Parameter
oldId	ID of variable to rename.
newId	ID of new variable. May be the same as oldId, but with an updated name.

Inherited from

Blockly.Block#renameVarById

render

render(opt_bubble)

Render the block. Lays out and reflows a block based on its contents and settings.

Parameter
opt_bubble	Optional boolean If false, just render this block. If true, also render block's parent, grandparent, etc. Defaults to true.

scheduleSnapAndBump

package

scheduleSnapAndBump()

Schedule snapping to grid and bumping neighbours to occur after a brief delay.

select

select()

Select this block. Highlight it visually.

setBorderColour_

setBorderColour_()

Sets the colour of the border. Removes the light and dark paths if a border colour is defined.

setCollapsed

setCollapsed(collapsed)

Set whether the block is collapsed or not.

Parameter
collapsed	boolean True if collapsed.

setColour

setColour(colour)

Change the colour of a block.

Parameter
colour	(number or string) HSV hue value, or #RRGGBB string.

setCommentText

setCommentText(text)

Set this block's comment text.

Parameter
text	string The text, or null to delete. Value may be null.

setConnectionsHidden

package

setConnectionsHidden(hidden)

Set whether the connections are hidden (not tracked in a database) or not. Recursively walk down all child blocks (except collapsed blocks).

Parameter
hidden	boolean True if connections are hidden.

setCursorSvg

package

setCursorSvg(cursorSvg)

Add the cursor svg to this block's svg group.

Parameter
cursorSvg	SVGElement The svg root of the cursor to be added to the block svg group.

setDeletable

setDeletable(deletable)

Set whether this block is deletable or not.

Parameter
deletable	True if deletable.

Inherited from

Blockly.Block#setDeletable

setDeleteStyle

package

setDeleteStyle(enable)

Update the cursor over this block by adding or removing a class.

Parameter
enable	boolean True if the delete cursor should be shown, false otherwise.

setDisabled

setDisabled(disabled)

Set whether the block is disabled or not.

Parameter
disabled	boolean True if disabled.

Deprecated

May 2019

setDragging

package

setDragging(adding)

Recursively adds or removes the dragging class to this node and its children.

Parameter
adding	boolean True if adding, false if removing.

setEditable

setEditable(editable)

Set whether this block is editable or not.

Parameter
editable	boolean True if editable.

setEnabled

setEnabled(enabled)

Set whether the block is enabled or not.

Parameter
enabled	boolean True if enabled.

setFieldValue

setFieldValue(newValue, name)

Change the field value for a block (e.g. 'CHOOSE' or 'REMOVE').

Parameter
newValue	Value to be the new field.
name	The name of the field.

Inherited from

Blockly.Block#setFieldValue

setHelpUrl

setHelpUrl(url)

Set the URL of this block's help page.

Parameter
url	URL string for block help, or function that returns a URL. Null for no help.

Inherited from

Blockly.Block#setHelpUrl

setHighlighted

setHighlighted(highlighted)

Set whether the block is highlighted or not. Block highlighting is often used to visually mark blocks currently being executed.

Parameter
highlighted	boolean True if highlighted.

setInputsInline

setInputsInline(newBoolean)

Set whether value inputs are arranged horizontally or vertically.

Parameter
newBoolean	boolean True if inputs are horizontal.

setInsertionMarker

package

setInsertionMarker(insertionMarker)

Set whether this block is an insertion marker block or not. Once set this cannot be unset.

Parameter
insertionMarker	boolean True if an insertion marker.

setMarkerSvg

package

setMarkerSvg(markerSvg)

Add the marker svg to this block's svg group.

Parameter
markerSvg	SVGElement The svg root of the marker to be added to the block svg group.

setMovable

setMovable(movable)

Set whether this block is movable or not.

Parameter
movable	boolean True if movable.

setMutator

setMutator(mutator)

Give this block a mutator dialog.

Parameter
mutator	Blockly.Mutator A mutator dialog instance or null to remove.

setNextStatement

setNextStatement(newBoolean, opt_check)

Set whether another block can chain onto the bottom of this block.

Parameter
newBoolean	boolean True if there can be a next statement.
opt_check	Optional (string, Array of string, or null) Statement type or list of statement types. Null/undefined if any type could be connected.

setOnChange

setOnChange(onchangeFn)

Sets a callback function to use whenever the block's parent workspace changes, replacing any prior onchange handler. This is usually only called from the constructor, the block type initializer function, or an extension initializer function.

Parameter
onchangeFn	The callback to call when the block's workspace changes.

Inherited from

Blockly.Block#setOnChange

Throws

if onchangeFn is not falsey or a function.

setOutput

setOutput(newBoolean, opt_check)

Set whether this block returns a value.

Parameter
newBoolean	boolean True if there is an output.
opt_check	Optional (string, Array of string, or null) Returned type or list of returned types. Null or undefined if any type could be returned (e.g. variable get).

setParent

setParent(newParent)

Set parent of this block to be a new block or null.

Parameter
newParent	New parent block.

Inherited from

Blockly.BlockSvg#setParent

setPreviousStatement

setPreviousStatement(newBoolean, opt_check)

Set whether this block can chain onto the bottom of another block.

Parameter
newBoolean	boolean True if there can be a previous statement.
opt_check	Optional (string, Array of string, or null) Statement type or list of statement types. Null/undefined if any type could be connected.

setShadow

setShadow(shadow)

Set whether this block is a shadow block or not.

Parameter
shadow	boolean True if a shadow.

setShadowColour_

setShadowColour_() returns string

Sets the colour of shadow blocks.

Returns

nullable string The background colour of the block.

setStyle

setStyle(blockStyleName)

Set the style and colour values of a block.

Parameter
blockStyleName	Name of the block style

Inherited from

Blockly.Block#setStyle

Throws

if the block style does not exist.

setTooltip

setTooltip(newTip)

Change the tooltip text for a block.

Parameter
newTip	Text for tooltip or a parent element to link to for its tooltip. May be a function that returns a string.

Inherited from

Blockly.Block#setTooltip

setWarningText

setWarningText(text, opt_id)

Set this block's warning text.

Parameter
text	string The text, or null to delete. Value may be null.
opt_id	Optional string An optional ID for the warning text to be able to maintain multiple warnings.

snapToGrid

snapToGrid()

Snap this block to the nearest grid point.

tab

tab(start, forward)

Open the next (or previous) FieldTextInput.

Parameter
start	(Blockly.Field or Blockly.Block) Current location.
forward	boolean If true go forward, otherwise backward.

toDevString

toDevString() returns string

This method returns a string describing this Block in developer terms (type name and ID; English only).

Intended to on be used in console logs and errors. If you need a string that uses the user's native language (including block text, field values, and child blocks), use toString().

Inherited from

Blockly.Block#toDevString

Returns

The description.

toString

toString(opt_maxLength, opt_emptyToken) returns string

Create a human-readable text representation of this block and any children.

Parameter
opt_maxLength	Optional Truncate the string to this length.
opt_emptyToken	Optional The placeholder string used to denote an empty field. If not specified, '?' is used.

Inherited from

Blockly.Block#toString

Returns

Text of block.

translate

translate(x, y)

Transforms a block by setting the translation on the transform attribute of the block's SVG.

Parameter
x	number The x coordinate of the translation in workspace units.
y	number The y coordinate of the translation in workspace units.

unplug

unplug(opt_healStack)

Unplug this block from its superior block. If this block is a statement, optionally reconnect the block underneath with the block on top.

Parameter
opt_healStack	Optional Disconnect child statement and reconnect stack. Defaults to false.

Inherited from

Blockly.Block#unplug

unselect

unselect()

Unselect this block. Remove its highlighting.

updateColour

updateColour()

Change the colour of a block.

updateDisabled

updateDisabled()

Enable or disable a block.

updateMovable

updateMovable()

Add or remove the UI indicating if this block is movable or not.

updateVarName

package

updateVarName(variable)

Notification that a variable is renaming but keeping the same ID. If the variable is in use on this block, rerender to show the new name.

Parameter
variable	The variable being renamed. Value must not be null.

Inherited from

Blockly.Block#updateVarName