com.facebook.csslayout

Class CSSNode

java.lang.Object

com.facebook.csslayout.CSSNode

Direct Known Subclasses:

ReactShadowNode

public class CSSNode
extends java.lang.Object

A CSS Node. It has a style object you can manipulate at style. After calling #calculateLayout(), layout will be filled with the results of the layout.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CSSNode.MeasureFunction

Field Summary

Fields

Modifier and Type	Field and Description
int	lineIndex

Constructor Summary

Constructors

Constructor and Description
CSSNode()

Method Summary

Methods

Modifier and Type	Method and Description
void	addChildAt(CSSNode child, int i)
void	calculateLayout(CSSLayoutContext layoutContext) Performs the actual layout and saves the results in layout
protected void	dirty()
CSSAlign	getAlignItems() Get this node's align items, as defined by style.
CSSAlign	getAlignSelf() Get this node's align items, as defined by style.
Spacing	getBorder() Get this node's border, as defined by style.
CSSNode	getChildAt(int i)
int	getChildCount()
float	getFlex() Get this node's flex, as defined by style.
CSSFlexDirection	getFlexDirection() Get this node's flex direction, as defined by style.
CSSJustify	getJustifyContent() Get this node's justify content, as defined by style.
CSSDirection	getLayoutDirection()
float	getLayoutHeight()
float	getLayoutWidth()
float	getLayoutX()
float	getLayoutY()
Spacing	getMargin() Get this node's margin, as defined by style + default margin.
Spacing	getPadding() Get this node's padding, as defined by style + default padding.
CSSNode	getParent()
float	getPositionBottom() Get this node's position bottom, as defined by style.
float	getPositionLeft() Get this node's position left, as defined by style.
float	getPositionRight() Get this node's position right, as defined by style.
float	getPositionTop() Get this node's position top, as defined by style.
CSSPositionType	getPositionType() Get this node's position type, as defined by style.
CSSDirection	getStyleDirection() Get this node's direction, as defined in the style.
float	getStyleHeight() Get this node's height, as defined in the style.
float	getStyleWidth() Get this node's width, as defined in the style.
boolean	hasNewLayout() See LayoutState#HAS_NEW_LAYOUT.
int	indexOf(CSSNode child)
protected boolean	isDirty() See LayoutState#DIRTY.
boolean	isMeasureDefined()
void	markLayoutSeen() Tells the node that the current values in layout have been seen.
CSSNode	removeChildAt(int i)
void	reset() Resets this instance to its default state.
void	setAlignItems(CSSAlign alignItems)
void	setAlignSelf(CSSAlign alignSelf)
void	setBorder(int spacingType, float border)
void	setDefaultPadding(int spacingType, float padding) Set a default padding (left/top/right/bottom) for this node.
void	setDirection(CSSDirection direction)
void	setFlex(float flex)
void	setFlexDirection(CSSFlexDirection flexDirection)
void	setJustifyContent(CSSJustify justifyContent)
void	setMargin(int spacingType, float margin)
void	setMeasureFunction(CSSNode.MeasureFunction measureFunction)
void	setPadding(int spacingType, float padding)
void	setPositionBottom(float positionBottom)
void	setPositionLeft(float positionLeft)
void	setPositionRight(float positionRight)
void	setPositionTop(float positionTop)
void	setPositionType(CSSPositionType positionType)
void	setStyleHeight(float height)
void	setStyleWidth(float width)
void	setWrap(CSSWrap flexWrap)
java.lang.String	toString()
protected boolean	valuesEqual(float f1, float f2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

lineIndex

public int lineIndex

Constructor Detail

CSSNode

public CSSNode()

Method Detail

getChildCount

public int getChildCount()

getChildAt

public CSSNode getChildAt(int i)

addChildAt

public void addChildAt(CSSNode child,
              int i)

removeChildAt

public CSSNode removeChildAt(int i)

getParent

@Nullable
public CSSNode getParent()

indexOf

public int indexOf(CSSNode child)

Returns:

the index of the given child, or -1 if the child doesn't exist in this node.

setMeasureFunction

public void setMeasureFunction(CSSNode.MeasureFunction measureFunction)

isMeasureDefined

public boolean isMeasureDefined()

calculateLayout

public void calculateLayout(CSSLayoutContext layoutContext)

Performs the actual layout and saves the results in layout

isDirty

protected boolean isDirty()

See LayoutState#DIRTY.

hasNewLayout

public boolean hasNewLayout()

See LayoutState#HAS_NEW_LAYOUT.

dirty

protected void dirty()

markLayoutSeen

public void markLayoutSeen()

Tells the node that the current values in layout have been seen. Subsequent calls to hasNewLayout() will return false until this node is laid out with new parameters. You must call this each time the layout is generated if the node has a new layout.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

valuesEqual

protected boolean valuesEqual(float f1,
                  float f2)

getStyleDirection

public CSSDirection getStyleDirection()

Get this node's direction, as defined in the style.

setDirection

public void setDirection(CSSDirection direction)

getFlexDirection

public CSSFlexDirection getFlexDirection()

Get this node's flex direction, as defined by style.

setFlexDirection

public void setFlexDirection(CSSFlexDirection flexDirection)

getJustifyContent

public CSSJustify getJustifyContent()

Get this node's justify content, as defined by style.

setJustifyContent

public void setJustifyContent(CSSJustify justifyContent)

getAlignItems

public CSSAlign getAlignItems()

Get this node's align items, as defined by style.

setAlignItems

public void setAlignItems(CSSAlign alignItems)

getAlignSelf

public CSSAlign getAlignSelf()

Get this node's align items, as defined by style.

setAlignSelf

public void setAlignSelf(CSSAlign alignSelf)

getPositionType

public CSSPositionType getPositionType()

Get this node's position type, as defined by style.

setPositionType

public void setPositionType(CSSPositionType positionType)

setWrap

public void setWrap(CSSWrap flexWrap)

getFlex

public float getFlex()

Get this node's flex, as defined by style.

setFlex

public void setFlex(float flex)

getMargin

public Spacing getMargin()

Get this node's margin, as defined by style + default margin.

setMargin

public void setMargin(int spacingType,
             float margin)

getPadding

public Spacing getPadding()

Get this node's padding, as defined by style + default padding.

setPadding

public void setPadding(int spacingType,
              float padding)

getBorder

public Spacing getBorder()

Get this node's border, as defined by style.

setBorder

public void setBorder(int spacingType,
             float border)

getPositionTop

public float getPositionTop()

Get this node's position top, as defined by style.

setPositionTop

public void setPositionTop(float positionTop)

getPositionBottom

public float getPositionBottom()

Get this node's position bottom, as defined by style.

setPositionBottom

public void setPositionBottom(float positionBottom)

getPositionLeft

public float getPositionLeft()

Get this node's position left, as defined by style.

setPositionLeft

public void setPositionLeft(float positionLeft)

getPositionRight

public float getPositionRight()

Get this node's position right, as defined by style.

setPositionRight

public void setPositionRight(float positionRight)

getStyleWidth

public float getStyleWidth()

Get this node's width, as defined in the style.

setStyleWidth

public void setStyleWidth(float width)

getStyleHeight

public float getStyleHeight()

Get this node's height, as defined in the style.

setStyleHeight

public void setStyleHeight(float height)

getLayoutX

public float getLayoutX()

getLayoutY

public float getLayoutY()

getLayoutWidth

public float getLayoutWidth()

getLayoutHeight

public float getLayoutHeight()

getLayoutDirection

public CSSDirection getLayoutDirection()

setDefaultPadding

public void setDefaultPadding(int spacingType,
                     float padding)

Set a default padding (left/top/right/bottom) for this node.

reset

public void reset()

Resets this instance to its default state. This method is meant to be used when recycling CSSNode instances.