Package net.ssehub.easy.producer.ui.productline_editor.instantiator

Class TreeNode

java.lang.Object

net.ssehub.easy.producer.ui.productline_editor.instantiator.TreeNode

Direct Known Subclasses:

ElementTreeNode, RuleTreeNode, TextTreeNode

abstract class TreeNode
extends java.lang.Object

A display tree node.

Author:

Holger Eichelberger

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	TreeNode.Insertable	Language elements to be inserted.
(package private) static class	TreeNode.InsertionPoint	Denotes insertion points around this node.

Field Summary

Fields

Modifier and Type	Field	Description
private TreeNode[]	children
private org.eclipse.swt.graphics.Image	image
private TreeNode	parent

Constructor Summary

Constructors

Constructor	Description
TreeNode(TreeNode parent, org.eclipse.swt.graphics.Image image)	Creates a tree node.

Method Summary

Modifier and Type	Method	Description
(package private) TreeNode[]	getChildren()	Returns the children.
(package private) org.eclipse.swt.graphics.Image	getImage()	Returns the display image.
(package private) TreeNode	getParent()	Returns the parent node.
(package private) abstract java.lang.String	getText()	Returns the display text.
(package private) boolean	hasChildren()	Returns whether this node has children.
(package private) void	setChildren(TreeNode[] children)	Defines the children.
(package private) abstract TreeNode.InsertionPoint	supportedInsertionPoint(TreeNode.Insertable insertable)	Returns the supported insertion point within the tree for insertable.

Methods inherited from class java.lang.Object

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

Field Detail

image

private org.eclipse.swt.graphics.Image image

parent

private TreeNode parent

children

private TreeNode[] children

Constructor Detail

TreeNode

TreeNode(TreeNode parent,
         org.eclipse.swt.graphics.Image image)

Creates a tree node.

Parameters:

parent - the parent node

image - the image of the node (may be null)

Method Detail

getParent

TreeNode getParent()

Returns the parent node.

Returns:

the parent node (may be null)

setChildren

void setChildren(TreeNode[] children)

Defines the children.

Parameters:

children - the children

hasChildren

boolean hasChildren()

Returns whether this node has children.

Returns:

true if this node has children, false else

getChildren

TreeNode[] getChildren()

Returns the children.

Returns:

the children (may be null)

getImage

org.eclipse.swt.graphics.Image getImage()

Returns the display image.

Returns:

the display image (may be null)

getText

abstract java.lang.String getText()

Returns the display text.

Returns:

the display text

supportedInsertionPoint

abstract TreeNode.InsertionPoint supportedInsertionPoint(TreeNode.Insertable insertable)

Returns the supported insertion point within the tree for insertable.

Parameters:

insertable - the element to be inserted

Returns:

the supported rule insertion point