Module javafx.base

Package javafx.beans.property

Class ReadOnlyListPropertyBase<E>

java.lang.Object

javafx.beans.binding.ListExpression<E>

javafx.beans.property.ReadOnlyListProperty<E>

javafx.beans.property.ReadOnlyListPropertyBase<E>

All Implemented Interfaces:

Iterable<E>, Collection<E>, List<E>, SequencedCollection<E>, Observable, ReadOnlyProperty<ObservableList<E>>, ObservableListValue<E>, ObservableObjectValue<ObservableList<E>>, ObservableValue<ObservableList<E>>, ObservableList<E>

public abstract class ReadOnlyListPropertyBase<E>
extends ReadOnlyListProperty<E>

Base class for all readonly properties wrapping an ObservableList. This class provides a default implementation to attach listener.

Since:

JavaFX 2.1

See Also:

• ReadOnlyListProperty

Property Summary

Properties declared in class javafx.beans.binding.ListExpression

empty, size

Constructor Summary

Constructors

Constructor	Description
ReadOnlyListPropertyBase()	Creates a default ReadOnlyListPropertyBase.

Method Summary

Modifier and Type	Method	Description
void	addListener(InvalidationListener listener)	Adds an InvalidationListener which will be notified whenever the Observable becomes invalid.
void	addListener(ChangeListener<? super ObservableList<E>> listener)	Adds a ChangeListener which will be notified whenever the value of the ObservableValue changes.
void	addListener(ListChangeListener<? super E> listener)	Add a listener to this observable list.
protected void	fireValueChangedEvent()	This method needs to be called if the reference to the ObservableList changes.
protected void	fireValueChangedEvent(ListChangeListener.Change<? extends E> change)	This method needs to be called if the content of the referenced ObservableList changes.
void	removeListener(InvalidationListener listener)	Removes the given listener from the list of listeners, that are notified whenever the value of the Observable becomes invalid.
void	removeListener(ChangeListener<? super ObservableList<E>> listener)	Removes the given listener from the list of listeners that are notified whenever the value of the ObservableValue changes.
void	removeListener(ListChangeListener<? super E> listener)	Tries to remove a listener from this observable list.

Methods declared in class javafx.beans.property.ReadOnlyListProperty

bindContent, bindContentBidirectional, equals, hashCode, toString, unbindContent, unbindContentBidirectional

Methods declared in class javafx.beans.binding.ListExpression

add, add, addAll, addAll, addAll, asString, clear, contains, containsAll, emptyProperty, get, getSize, getValue, indexOf, isEmpty, isEqualTo, isNotEqualTo, isNotNull, isNull, iterator, lastIndexOf, listExpression, listIterator, listIterator, remove, remove, remove, removeAll, removeAll, retainAll, retainAll, set, setAll, setAll, size, sizeProperty, subList, toArray, toArray, valueAt, valueAt

Methods declared in class java.lang.Object

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

Methods declared in interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods declared in interface java.lang.Iterable

forEach

Methods declared in interface java.util.List

addFirst, addLast, getFirst, getLast, removeFirst, removeLast, replaceAll, reversed, sort, spliterator

Methods declared in interface javafx.beans.Observable

subscribe

Methods declared in interface javafx.collections.ObservableList

filtered, sorted, sorted

Methods declared in interface javafx.beans.value.ObservableObjectValue

get

Methods declared in interface javafx.beans.value.ObservableValue

flatMap, getValue, map, orElse, subscribe, subscribe, when

Methods declared in interface javafx.beans.property.ReadOnlyProperty

getBean, getName

Constructor Details

ReadOnlyListPropertyBase

public ReadOnlyListPropertyBase()

Creates a default ReadOnlyListPropertyBase.

Method Details

addListener

public void addListener(InvalidationListener listener)

Description copied from interface: Observable

Adds an InvalidationListener which will be notified whenever the Observable becomes invalid. If the same listener is added more than once, then it will be notified more than once. That is, no check is made to ensure uniqueness.

Note that the same actual InvalidationListener instance may be safely registered for different Observables.

The Observable stores a strong reference to the listener which will prevent the listener from being garbage collected and may result in a memory leak. It is recommended to either unregister a listener by calling removeListener after use or to use an instance of WeakInvalidationListener avoid this situation.

Parameters:

listener - The listener to register

See Also:

• Observable.removeListener(InvalidationListener)

removeListener

public void removeListener(InvalidationListener listener)

Description copied from interface: Observable

Removes the given listener from the list of listeners, that are notified whenever the value of the Observable becomes invalid.

If the given listener has not been previously registered (i.e. it was never added) then this method call is a no-op. If it had been previously added then it will be removed. If it had been added more than once, then only the first occurrence will be removed.

Parameters:

listener - The listener to remove

See Also:

• Observable.addListener(InvalidationListener)

addListener

public void addListener(ChangeListener<? super ObservableList<E>> listener)

Description copied from interface: ObservableValue

Adds a ChangeListener which will be notified whenever the value of the ObservableValue changes. If the same listener is added more than once, then it will be notified more than once. That is, no check is made to ensure uniqueness.

Note that the same actual ChangeListener instance may be safely registered for different ObservableValues.

The ObservableValue stores a strong reference to the listener which will prevent the listener from being garbage collected and may result in a memory leak. It is recommended to either unregister a listener by calling removeListener after use or to use an instance of WeakChangeListener avoid this situation.

Parameters:

listener - The listener to register

See Also:

• ObservableValue.removeListener(ChangeListener)

removeListener

public void removeListener(ChangeListener<? super ObservableList<E>> listener)

Description copied from interface: ObservableValue

Removes the given listener from the list of listeners that are notified whenever the value of the ObservableValue changes.

If the given listener has not been previously registered (i.e. it was never added) then this method call is a no-op. If it had been previously added then it will be removed. If it had been added more than once, then only the first occurrence will be removed.

Parameters:

listener - The listener to remove

See Also:

• ObservableValue.addListener(ChangeListener)

addListener

public void addListener(ListChangeListener<? super E> listener)

Description copied from interface: ObservableList

Add a listener to this observable list.

Parameters:

listener - the listener for listening to the list changes

removeListener

public void removeListener(ListChangeListener<? super E> listener)

Description copied from interface: ObservableList

Tries to remove a listener from this observable list. If the listener is not attached to this list, nothing happens.

Parameters:

listener - a listener to remove

fireValueChangedEvent

protected void fireValueChangedEvent()

This method needs to be called if the reference to the ObservableList changes. It sends notifications to all attached InvalidationListeners, ChangeListeners, and ListChangeListener. This method needs to be called, if the value of this property changes.

fireValueChangedEvent

protected void fireValueChangedEvent(ListChangeListener.Change<? extends E> change)

This method needs to be called if the content of the referenced ObservableList changes. Sends notifications to all attached InvalidationListeners, ChangeListeners, and ListChangeListener. This method is called when the content of the list changes.

Parameters:

change - the change that needs to be propagated