Class SetListenerHelperEx<E>
- java.lang.Object
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- org.eclipse.gef.common.collections.SetListenerHelperEx<E>
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- Type Parameters:
E- The element type of theObservableSet.
- Direct Known Subclasses:
SetExpressionHelperEx
public class SetListenerHelperEx<E> extends java.lang.ObjectA utility class to support change notifications for anObservableSet, replacing the JavaFX-internalSetChangeListenerhelper class.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classSetListenerHelperEx.AtomicChange<E>A simple implementation of anSetChangeListener.Change.
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Constructor Summary
Constructors Constructor Description SetListenerHelperEx(javafx.collections.ObservableSet<E> source)Constructs a newSetListenerHelperExfor the given sourceObservableSet.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddListener(javafx.beans.InvalidationListener listener)Adds a newInvalidationListenerto thisSetListenerHelperEx.voidaddListener(javafx.collections.SetChangeListener<? super E> listener)Adds a newSetChangeListenerto thisSetListenerHelperEx.voidfireValueChangedEvent(javafx.collections.SetChangeListener.Change<? extends E> change)Notifies all attachedInvalidationListeners andSetChangeListeners about the change.protected javafx.collections.ObservableSet<E>getSource()Returns the sourceObservableSetthisSetListenerHelperExis bound to, which is used in change notifications.protected voidnotifyInvalidationListeners()Notifies all registeredInvalidationListeners.protected voidnotifySetChangeListeners(javafx.collections.SetChangeListener.Change<? extends E> change)Notifies the attachedSetChangeListeners about the related change.voidremoveListener(javafx.beans.InvalidationListener listener)Removes the givenInvalidationListenerfrom thisSetListenerHelperEx.voidremoveListener(javafx.collections.SetChangeListener<? super E> listener)Removes the givenSetChangeListenerfrom thisSetListenerHelperEx.
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Constructor Detail
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SetListenerHelperEx
public SetListenerHelperEx(javafx.collections.ObservableSet<E> source)
Constructs a newSetListenerHelperExfor the given sourceObservableSet.- Parameters:
source- TheObservableSetto use as source in change notifications.
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Method Detail
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addListener
public void addListener(javafx.beans.InvalidationListener listener)
Adds a newInvalidationListenerto thisSetListenerHelperEx. If the same listener is added more than once, it will be registered more than once and will receive multiple change events.- Parameters:
listener- The listener to add.
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addListener
public void addListener(javafx.collections.SetChangeListener<? super E> listener)
Adds a newSetChangeListenerto thisSetListenerHelperEx. If the same listener is added more than once, it will be registered more than once and will receive multiple change events.- Parameters:
listener- The listener to add.
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fireValueChangedEvent
public void fireValueChangedEvent(javafx.collections.SetChangeListener.Change<? extends E> change)
Notifies all attachedInvalidationListeners andSetChangeListeners about the change.- Parameters:
change- The change to notify listeners about.
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getSource
protected javafx.collections.ObservableSet<E> getSource()
Returns the sourceObservableSetthisSetListenerHelperExis bound to, which is used in change notifications.- Returns:
- The source
ObservableSet.
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notifyInvalidationListeners
protected void notifyInvalidationListeners()
Notifies all registeredInvalidationListeners.
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notifySetChangeListeners
protected void notifySetChangeListeners(javafx.collections.SetChangeListener.Change<? extends E> change)
Notifies the attachedSetChangeListeners about the related change.- Parameters:
change- The applied change.
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removeListener
public void removeListener(javafx.beans.InvalidationListener listener)
Removes the givenInvalidationListenerfrom thisSetListenerHelperEx. If its was registered more than once, removes one occurrence.- Parameters:
listener- The listener to remove.
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removeListener
public void removeListener(javafx.collections.SetChangeListener<? super E> listener)
Removes the givenSetChangeListenerfrom thisSetListenerHelperEx. If its was registered more than once, removes one occurrence.- Parameters:
listener- The listener to remove.
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