com.droplets.api.event
Class TreeEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--com.droplets.api.event.TreeEvent

All Implemented Interfaces:

java.io.Serializable

public class TreeEvent

extends java.util.EventObject

An event sent from Tree to its listeners. Two types of events are currently supported: selection and expansion.

See Also:

Serialized Form

Field Summary

static int	NODE_CHECKBOX_VALUE_CHANGED
static int	NODE_SELECTED
static int	NODE_UNSELECTED
static int	NODE_WILL_COLLAPSE
static int	NODE_WILL_EXPAND

Fields inherited from class java.util.EventObject

source

Method Summary

int	getEventType() Gets the type of the event.
Tree	getSourceTree() Gets the source Tree.
TreeNode	getTreeNode() Gets the tree node.
static TreeEvent	newCheckboxValueChangedEvent(Tree source, TreeNode node) Create and return tree node checkbox value change event.
static TreeEvent	newSelectedEvent(Tree source, TreeNode node) Create and return node selected event.
static TreeEvent	newUnselectedEvent(Tree source, TreeNode node) Create and return node un-selected event.
static TreeEvent	newWillCollapseEvent(Tree source, TreeNode node) Create and return tree will collapse event.
static TreeEvent	newWillExpandEvent(Tree source, TreeNode node) Create and return tree will expand event.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

NODE_SELECTED

public static final int NODE_SELECTED

NODE_UNSELECTED

public static final int NODE_UNSELECTED

NODE_WILL_EXPAND

public static final int NODE_WILL_EXPAND

NODE_WILL_COLLAPSE

public static final int NODE_WILL_COLLAPSE

NODE_CHECKBOX_VALUE_CHANGED

public static final int NODE_CHECKBOX_VALUE_CHANGED

Method Detail

newSelectedEvent

public static TreeEvent newSelectedEvent(Tree source,
                                         TreeNode node)

Create and return node selected event.

Parameters:

node - The tree node that was selected.

Returns:

The TreeEvent.

newUnselectedEvent

public static TreeEvent newUnselectedEvent(Tree source,
                                           TreeNode node)

Create and return node un-selected event.

Parameters:

node - The tree node that was un-selected.

Returns:

The TreeEvent.

newWillExpandEvent

public static TreeEvent newWillExpandEvent(Tree source,
                                           TreeNode node)

Create and return tree will expand event.

Parameters:

node - The tree node that will expand.

Returns:

The TreeEvent.

newWillCollapseEvent

public static TreeEvent newWillCollapseEvent(Tree source,
                                             TreeNode node)

Create and return tree will collapse event.

Parameters:

node - The tree node that will collapse.

Returns:

The TreeEvent.

newCheckboxValueChangedEvent

public static TreeEvent newCheckboxValueChangedEvent(Tree source,
                                                     TreeNode node)

Create and return tree node checkbox value change event.

Parameters:

node - The tree node whose checkbox value changed.

checked - The new checkbox value.

Returns:

The TreeEvent.

getEventType

public int getEventType()

Gets the type of the event.

getTreeNode

public TreeNode getTreeNode()

Gets the tree node.

getSourceTree

public Tree getSourceTree()

Gets the source Tree.