Class DelegatingListProperty<S,E>
- java.lang.Object
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- org.eclipse.core.databinding.property.list.ListProperty<S,E>
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- org.eclipse.core.databinding.property.list.DelegatingListProperty<S,E>
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- Type Parameters:
S
- type of the source objectE
- type of the elements in the list
- All Implemented Interfaces:
IProperty
,IListProperty<S,E>
public abstract class DelegatingListProperty<S,E> extends ListProperty<S,E>
- Since:
- 1.2
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Constructor Summary
Constructors Modifier Constructor Description protected
DelegatingListProperty()
protected
DelegatingListProperty(Object elementType)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected abstract IListProperty<S,E>
doGetDelegate(S source)
Returns the property to delegate to for the specified source object.protected List<E>
doGetList(S source)
Returns a List with the current contents of the source's list propertyprotected void
doSetList(S source, List<E> list)
Updates the property on the source with the specified change.protected void
doUpdateList(S source, ListDiff<E> diff)
Updates the property on the source with the specified changeIListProperty<S,E>
getDelegate(S source)
Returns the property to delegate to for the specified source object.Object
getElementType()
Returns the type of the elements in the collection ornull
if untypedIObservableList<E>
observe(Realm realm, S source)
Returns an observable list observing this list property on the given property sourceIObservableList<E>
observe(S source)
Returns an observable list observing this list property on the given property source-
Methods inherited from class org.eclipse.core.databinding.property.list.ListProperty
getList, listFactory, listFactory, observeDetail, setList, updateList, values
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Constructor Detail
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DelegatingListProperty
protected DelegatingListProperty()
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DelegatingListProperty
protected DelegatingListProperty(Object elementType)
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Method Detail
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getDelegate
public final IListProperty<S,E> getDelegate(S source)
Returns the property to delegate to for the specified source object. Repeated calls to this method with the same source object returns the same delegate instance.- Parameters:
source
- the property source (may be null)- Returns:
- the property to delegate to for the specified source object.
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doGetDelegate
protected abstract IListProperty<S,E> doGetDelegate(S source)
Returns the property to delegate to for the specified source object. Implementers must ensure that repeated calls to this method with the same source object returns the same delegate instance.- Parameters:
source
- the property source- Returns:
- the property to delegate to for the specified source object.
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getElementType
public Object getElementType()
Description copied from interface:IListProperty
Returns the type of the elements in the collection ornull
if untyped- Returns:
- the type of the elements in the collection or
null
if untyped
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doGetList
protected List<E> doGetList(S source)
Description copied from class:ListProperty
Returns a List with the current contents of the source's list property- Overrides:
doGetList
in classListProperty<S,E>
- Parameters:
source
- the property source- Returns:
- a List with the current contents of the source's list property
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doSetList
protected void doSetList(S source, List<E> list)
Description copied from class:ListProperty
Updates the property on the source with the specified change.- Overrides:
doSetList
in classListProperty<S,E>
- Parameters:
source
- the property sourcelist
- the new list
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doUpdateList
protected void doUpdateList(S source, ListDiff<E> diff)
Description copied from class:ListProperty
Updates the property on the source with the specified change- Overrides:
doUpdateList
in classListProperty<S,E>
- Parameters:
source
- the property sourcediff
- a diff describing the change
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observe
public IObservableList<E> observe(S source)
Description copied from interface:IListProperty
Returns an observable list observing this list property on the given property source- Specified by:
observe
in interfaceIListProperty<S,E>
- Overrides:
observe
in classListProperty<S,E>
- Parameters:
source
- the property source- Returns:
- an observable list observing this list property on the given property source
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observe
public IObservableList<E> observe(Realm realm, S source)
Description copied from interface:IListProperty
Returns an observable list observing this list property on the given property source- Parameters:
realm
- the observable's realmsource
- the property source- Returns:
- an observable list observing this list property on the given property source
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