Class MapListenerHelperEx<K,V>
java.lang.Object
org.eclipse.gef.common.collections.MapListenerHelperEx<K,V>
- Type Parameters:
K- The key type of theObservableMap.V- The value type of theObservableMap.
- Direct Known Subclasses:
MapExpressionHelperEx
A utility class to support change notifications for an
ObservableMap
, replacing the JavaFX-internal MapChangeListener helper class.-
Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic classA simple implementation of anMapChangeListener.Change. -
Constructor Summary
ConstructorsConstructorDescriptionMapListenerHelperEx(javafx.collections.ObservableMap<K, V> source) Constructs a newMapListenerHelperExfor the given sourceObservableMap. -
Method Summary
Modifier and TypeMethodDescriptionvoidaddListener(javafx.beans.InvalidationListener listener) Adds a newInvalidationListenerto thisMapListenerHelperEx.voidaddListener(javafx.collections.MapChangeListener<? super K, ? super V> listener) Adds a newMapChangeListenerto thisMapListenerHelperEx.voidfireValueChangedEvent(javafx.collections.MapChangeListener.Change<? extends K, ? extends V> change) Notifies all attachedInvalidationListeners andMapChangeListeners about the change.Returns the sourceObservableMapthisMapListenerHelperExis bound to, which is used in change notifications.protected voidNotifies all registeredInvalidationListeners.protected voidnotifyMapChangeListeners(javafx.collections.MapChangeListener.Change<? extends K, ? extends V> change) Notifies the attachedMapChangeListeners about the related change.voidremoveListener(javafx.beans.InvalidationListener listener) Removes the givenInvalidationListenerfrom thisMapListenerHelperEx.voidremoveListener(javafx.collections.MapChangeListener<? super K, ? super V> listener) Removes the givenMapChangeListenerfrom thisMapListenerHelperEx.
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Constructor Details
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MapListenerHelperEx
Constructs a newMapListenerHelperExfor the given sourceObservableMap.- Parameters:
source- TheObservableMapto use as source in change notifications.
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Method Details
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addListener
public void addListener(javafx.beans.InvalidationListener listener) Adds a newInvalidationListenerto thisMapListenerHelperEx. 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
Adds a newMapChangeListenerto thisMapListenerHelperEx. 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.MapChangeListener.Change<? extends K, ? extends V> change) Notifies all attachedInvalidationListeners andMapChangeListeners about the change.- Parameters:
change- The change to notify listeners about.
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getSource
Returns the sourceObservableMapthisMapListenerHelperExis bound to, which is used in change notifications.- Returns:
- The source
ObservableMap.
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notifyInvalidationListeners
protected void notifyInvalidationListeners()Notifies all registeredInvalidationListeners. -
notifyMapChangeListeners
protected void notifyMapChangeListeners(javafx.collections.MapChangeListener.Change<? extends K, ? extends V> change) Notifies the attachedMapChangeListeners about the related change.- Parameters:
change- The applied change.
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removeListener
public void removeListener(javafx.beans.InvalidationListener listener) Removes the givenInvalidationListenerfrom thisMapListenerHelperEx. If its was registered more than once, removes one occurrence.- Parameters:
listener- The listener to remove.
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removeListener
Removes the givenMapChangeListenerfrom thisMapListenerHelperEx. If its was registered more than once, removes one occurrence.- Parameters:
listener- The listener to remove.
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