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java.lang.Objectorg.eclipse.core.databinding.observable.AbstractObservable
org.eclipse.core.databinding.observable.DecoratingObservable
org.eclipse.core.databinding.observable.value.DecoratingObservableValue
public class DecoratingObservableValue
An observable value which decorates another observable value.
Constructor Summary | |
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DecoratingObservableValue(IObservableValue decorated,
boolean disposeDecoratedOnDispose)
Constructs a DecoratingObservableValue which decorates the given observable. |
Method Summary | |
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protected void |
addListener(Object listenerType,
IObservablesListener listener)
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void |
addValueChangeListener(IValueChangeListener listener)
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protected Object |
clone()
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void |
dispose()
Disposes of this observable object, removing all listeners registered with this object, and all listeners this object might have registered on other objects. |
protected void |
fireChange()
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protected void |
fireEvent(ObservableEvent event)
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protected void |
fireValueChange(ValueDiff diff)
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protected void |
firstListenerAdded()
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Realm |
getRealm()
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Object |
getValue()
Returns the value. |
Object |
getValueType()
The value type of this observable value, or null if this
observable value is untyped. |
protected void |
handleValueChange(ValueChangeEvent event)
Called whenever a ValueChangeEvent is received from the decorated observable. |
protected boolean |
hasListeners()
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protected void |
lastListenerRemoved()
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protected void |
removeListener(Object listenerType,
IObservablesListener listener)
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void |
removeValueChangeListener(IValueChangeListener listener)
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void |
setValue(Object value)
Sets the value. |
Methods inherited from class org.eclipse.core.databinding.observable.DecoratingObservable |
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equals, getDecorated, getterCalled, handleStaleEvent, hashCode, isStale |
Methods inherited from class org.eclipse.core.databinding.observable.AbstractObservable |
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addChangeListener, addDisposeListener, addStaleListener, checkRealm, fireStale, isDisposed, removeChangeListener, removeDisposeListener, removeStaleListener |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.eclipse.core.databinding.observable.IObservable |
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addChangeListener, addDisposeListener, addStaleListener, getRealm, isDisposed, isStale, removeChangeListener, removeDisposeListener, removeStaleListener |
Constructor Detail |
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public DecoratingObservableValue(IObservableValue decorated, boolean disposeDecoratedOnDispose)
decorated
- the observable value being decorateddisposeDecoratedOnDispose
- Method Detail |
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public void addValueChangeListener(IValueChangeListener listener)
addValueChangeListener
in interface IObservableValue
public void removeValueChangeListener(IValueChangeListener listener)
removeValueChangeListener
in interface IObservableValue
protected void fireValueChange(ValueDiff diff)
protected void fireChange()
fireChange
in class AbstractObservable
protected void firstListenerAdded()
firstListenerAdded
in class DecoratingObservable
protected void lastListenerRemoved()
lastListenerRemoved
in class DecoratingObservable
protected void handleValueChange(ValueChangeEvent event)
event
- the change event received from the decorated observablepublic Object getValue()
IObservableValue
Realm
of the observable.
getValue
in interface IObservableValue
public void setValue(Object value)
IObservableValue
Realm
of the observable.
setValue
in interface IObservableValue
value
- the value to setpublic Object getValueType()
IObservableValue
null
if this
observable value is untyped.
getValueType
in interface IObservableValue
null
public void dispose()
IObservable
dispose
in interface IObservable
dispose
in class DecoratingObservable
protected void addListener(Object listenerType, IObservablesListener listener)
listenerType
- listener
- protected void removeListener(Object listenerType, IObservablesListener listener)
listenerType
- listener
- protected boolean hasListeners()
protected void fireEvent(ObservableEvent event)
public Realm getRealm()
protected Object clone() throws CloneNotSupportedException
clone
in class Object
CloneNotSupportedException
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