com.yworks.yfiles.graph

Class NodeEventArgs

java.lang.Object

com.yworks.yfiles.utils.ItemEventArgs<INode>

com.yworks.yfiles.graph.NodeEventArgs

All Implemented Interfaces:

IEventArgs

public final class NodeEventArgs
extends ItemEventArgs<INode>

A specialized subclass of the ItemEventArgs class that is bound to the INode type and carries additional information about the parent node and the group node status.

Since for some events (NodeRemoved, IsGroupNodeChanged, ParentChanged) it is unclear which Parent or IsGroupNode the node had before the event this event can be used to carry exactly that information.

Field Summary

Fields inherited from interface com.yworks.yfiles.utils.IEventArgs

EMPTY

Constructor Summary

Constructors

Constructor and Description
NodeEventArgs(INode item, INode oldParent, boolean oldIsGroupNode) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
INode	getParent() The parent of the node before this event.
boolean	isGroupNode() Whether the node was a group node before this event.

Methods inherited from class com.yworks.yfiles.utils.ItemEventArgs

getItem

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeEventArgs

public NodeEventArgs(INode item,
                     INode oldParent,
                     boolean oldIsGroupNode)

Creates a new instance.

Parameters:

item - The node that has changed.

oldParent - The parent the node had before this event.

oldIsGroupNode - Whether the node was a group node before this event.

Method Detail

getParent

public final INode getParent()

The parent of the node before this event.

Returns:

The Parent.

isGroupNode

public final boolean isGroupNode()

Whether the node was a group node before this event.

Returns:

The IsGroupNode.