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()
CSSNode	getChildAt(int i)
int	getChildCount()
CSSDirection	getLayoutDirection()
float	getLayoutHeight()
float	getLayoutWidth()
float	getLayoutX()
float	getLayoutY()
CSSNode	getParent()
CSSDirection	getStyleDirection() Get this node's direction, as defined in the style.
float	getStyleHeight() Get this node's height, as defined in the style.
Spacing	getStylePadding() Get this node's padding, as defined by style + default padding.
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	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)
protected <T> boolean	valuesEqual(T o1, T o2)

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)

valuesEqual

protected <T> boolean valuesEqual(@Nullable
                      T o1,
                      @Nullable
                      T o2)

setDirection

public void setDirection(CSSDirection direction)

setFlexDirection

public void setFlexDirection(CSSFlexDirection flexDirection)

setJustifyContent

public void setJustifyContent(CSSJustify justifyContent)

setAlignItems

public void setAlignItems(CSSAlign alignItems)

setAlignSelf

public void setAlignSelf(CSSAlign alignSelf)

setPositionType

public void setPositionType(CSSPositionType positionType)

setWrap

public void setWrap(CSSWrap flexWrap)

setFlex

public void setFlex(float flex)

setMargin

public void setMargin(int spacingType,
             float margin)

setPadding

public void setPadding(int spacingType,
              float padding)

setBorder

public void setBorder(int spacingType,
             float border)

setPositionTop

public void setPositionTop(float positionTop)

setPositionBottom

public void setPositionBottom(float positionBottom)

setPositionLeft

public void setPositionLeft(float positionLeft)

setPositionRight

public void setPositionRight(float positionRight)

setStyleWidth

public void setStyleWidth(float width)

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()

getStylePadding

public Spacing getStylePadding()

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

getStyleWidth

public float getStyleWidth()

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

getStyleHeight

public float getStyleHeight()

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

getStyleDirection

public CSSDirection getStyleDirection()

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

setDefaultPadding

public void setDefaultPadding(int spacingType,
                     float padding)

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