Class Selector

java.lang.Object

javafx.css.Selector

public abstract sealed class Selector
extends Object

Used by CSSRule to determine whether or not the Selector applies to a given object.

Since:

9

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Selector()	Constructor for subclasses to call.

Method Summary

Modifier and Type	Method	Description
abstract boolean	applies(Styleable styleable)	Gets whether this Selector applies to the given Styleable.
abstract boolean	applies(Styleable styleable, Set<PseudoClass>[] triggerStates, int depth)	Gets whether this Selector applies to the given Styleable.
final Match	createMatch()	Creates a Match.
static Selector	createSelector(String cssSelector)	Creates a Selector object.
int	getOrdinal()	Gets the ordinal of this Selector.
Rule	getRule()	Gets the Rule of this Selector.
abstract Set<String>	getStyleClassNames()	Gets the immutable set of style class names of this Selector.
void	setOrdinal(int ordinal)	Sets the ordinal of this Selector.
abstract boolean	stateMatches(Styleable styleable, Set<PseudoClass> state)	Determines whether the current state of the Node and its parents matches the pseudo-classes defined (if any) for this selector.

Methods declared in class java.lang.Object

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

Constructor Details

Selector

protected Selector()

Constructor for subclasses to call.

Since:

24

Method Details

getRule

public Rule getRule()

Gets the Rule of this Selector.

Returns:

rule

setOrdinal

public void setOrdinal(int ordinal)

Sets the ordinal of this Selector.

Parameters:

ordinal - the ordinal of this Selector

getOrdinal

public int getOrdinal()

Gets the ordinal of this Selector.

Returns:

the ordinal of this Selector

getStyleClassNames

public abstract Set<String> getStyleClassNames()

Gets the immutable set of style class names of this Selector.

Returns:

an immutable set with style class names, never null, or contains nulls, but can be empty

Since:

23

createMatch

public final Match createMatch()

Creates a Match.

Returns:

a match, never null

applies

public abstract boolean applies(Styleable styleable)

Gets whether this Selector applies to the given Styleable.

Parameters:

styleable - the Styleable to match

Returns:

true if this Selector applies to the given Styleable

applies

public abstract boolean applies(Styleable styleable,
 Set<PseudoClass>[] triggerStates,
 int depth)

Gets whether this Selector applies to the given Styleable. It is the same as the applies(javafx.css.Styleable) method except it also returns PseudoClass state that it finds along the way.

Parameters:

styleable - the Styleable to match

triggerStates - a set of PseudoClass states

depth - depth of the Node hierarchy to look for

Returns:

true if this Selector and a set of PseudoClass applies to the given Styleable

stateMatches

public abstract boolean stateMatches(Styleable styleable,
 Set<PseudoClass> state)

Determines whether the current state of the Node and its parents matches the pseudo-classes defined (if any) for this selector.

Parameters:

styleable - the styleable

state - the state

Returns:

true if the current state of the node and its parents matches the pseudo-classes defined (if any) for this selector

createSelector

public static Selector createSelector(String cssSelector)

Creates a Selector object.

Parameters:

cssSelector - CSS selector string

Returns:

a Selector