Package org.eclipse.swt.events
Class TreeAdapter
java.lang.Object
org.eclipse.swt.events.TreeAdapter
- All Implemented Interfaces:
EventListener
,TreeListener
,SWTEventListener
This adapter class provides default implementations for the
methods described by the
TreeListener
interface.
Classes that wish to deal with TreeEvent
s can
extend this class and override only the methods which they are
interested in.
An alternative to this class are the static helper methods
TreeListener.treeCollapsedAdapter(java.util.function.Consumer)
and
TreeListener.treeExpandedAdapter(java.util.function.Consumer)
,
which accept a lambda expression or a method reference that implements the event consumer.
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Constructor Summary
-
Method Summary
Modifier and TypeMethodDescriptionvoid
Sent when a tree branch is collapsed.void
Sent when a tree branch is expanded.
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Constructor Details
-
TreeAdapter
public TreeAdapter()
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Method Details
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treeCollapsed
Sent when a tree branch is collapsed. The default behavior is to do nothing.- Specified by:
treeCollapsed
in interfaceTreeListener
- Parameters:
e
- an event containing information about the tree operation
-
treeExpanded
Sent when a tree branch is expanded. The default behavior is to do nothing.- Specified by:
treeExpanded
in interfaceTreeListener
- Parameters:
e
- an event containing information about the tree operation
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