TreeWillExpandListener (Java SE 8 & JDK 8 API)

This is an unofficial copy of this project's javadoc, hosted by SciJava so that the javadoc of the components managed by pom-scijava can link to it. For the official documentation, please refer to the project itself. About javadoc.scijava.org

Skip navigation links

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

All Superinterfaces:

EventListener
```
public interface TreeWillExpandListener
extends EventListener
```
The listener that's notified when a tree expands or collapses a node. For further information and examples see How to Write a Tree-Will-Expand Listener, a section in The Java Tutorial.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`treeWillCollapse(TreeExpansionEvent event)` Invoked whenever a node in the tree is about to be collapsed.
`void`	`treeWillExpand(TreeExpansionEvent event)` Invoked whenever a node in the tree is about to be expanded.

- Method Detail
  - treeWillExpand
```
void treeWillExpand(TreeExpansionEvent event)
             throws ExpandVetoException
```
    Invoked whenever a node in the tree is about to be expanded.
    
    Throws:
    
    ExpandVetoException
  - treeWillCollapse
```
void treeWillCollapse(TreeExpansionEvent event)
               throws ExpandVetoException
```
    Invoked whenever a node in the tree is about to be collapsed.
    
    Throws:
    
    ExpandVetoException

Skip navigation links

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

Generated by SciJava from the sources of OpenJDK 8 (Zulu), which are licensed under the GNU General Public License, version 2, with the Classpath Exception. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.