y.layout.tree
Class SimpleNodePlacer

java.lang.Object
  y.layout.tree.AbstractRotatableNodePlacer
      y.layout.tree.SimpleNodePlacer

All Implemented Interfaces:

NodePlacer

public class SimpleNodePlacer
extends AbstractRotatableNodePlacer

This is a "default" NodePlacer. It arranges its children simply in one row.

Nested Class Summary

Nested classes/interfaces inherited from class y.layout.tree.AbstractRotatableNodePlacer

AbstractRotatableNodePlacer.Matrix, AbstractRotatableNodePlacer.RootAlignment

Field Summary

Fields inherited from class y.layout.tree.AbstractRotatableNodePlacer

createdChildren, graph, modificationMatrix, nodeShapeProvider, spacing, subtreeShapeProvider

Fields inherited from interface y.layout.tree.NodePlacer

DIRECTION_ANY, DIRECTION_EAST, DIRECTION_NONE, DIRECTION_NORTH, DIRECTION_SOUTH, DIRECTION_WEST

Constructor Summary

SimpleNodePlacer()
Default constructor that creates an instance with the modification matrix AbstractRotatableNodePlacer.Matrix.DEFAULT

SimpleNodePlacer(AbstractRotatableNodePlacer.Matrix modificationMatrix)
Constructor that creates an instance with the given modification matrix.

SimpleNodePlacer(AbstractRotatableNodePlacer.Matrix modificationMatrix, AbstractRotatableNodePlacer.RootAlignment rootAlignment)
Constructor that creates an instance with the given modification matrix and the horizontal root alignment

Method Summary

protected byte	determineChildConnector(Node child) This method must be implemented by subclasses.
AbstractRotatableNodePlacer.RootAlignment	getRootAlignment()
boolean	isCreateBus() Whether a bus should be created between the parent and its children.
protected y.layout.tree.SubtreeShapeRotated	placeSubtree(Node localRoot, byte parentConnectorDirection) Places the children in a single row.
void	setCreateBus(boolean createBus) Whether a bus should be created between the parent and its children.
void	setRootAlignment(AbstractRotatableNodePlacer.RootAlignment rootAlignment) Setter for the horizontal alignment of the root node

Methods inherited from class y.layout.tree.AbstractRotatableNodePlacer

createComparator, createProcessor, createRootNodeShape, createSubtreeShape, determineChildConnectors, getModificationMatrix, getPortConstraint, getSourcePointAbs, getSpacing, placeSubtree, setSpacing, translateDirectionToModel, translateDirectionToReal, translatePoint

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleNodePlacer

public SimpleNodePlacer()

Default constructor that creates an instance with the modification matrix AbstractRotatableNodePlacer.Matrix.DEFAULT

SimpleNodePlacer

public SimpleNodePlacer(AbstractRotatableNodePlacer.Matrix modificationMatrix)

Constructor that creates an instance with the given modification matrix.

Parameters:

modificationMatrix -

SimpleNodePlacer

public SimpleNodePlacer(AbstractRotatableNodePlacer.Matrix modificationMatrix,
                        AbstractRotatableNodePlacer.RootAlignment rootAlignment)

Constructor that creates an instance with the given modification matrix and the horizontal root alignment

Parameters:

modificationMatrix -

rootAlignment -

Method Detail

getRootAlignment

public AbstractRotatableNodePlacer.RootAlignment getRootAlignment()

Returns:

the horizontal alignment of the root node

setRootAlignment

public void setRootAlignment(AbstractRotatableNodePlacer.RootAlignment rootAlignment)

Setter for the horizontal alignment of the root node

Parameters:

rootAlignment -

determineChildConnector

protected byte determineChildConnector(Node child)

Description copied from class: AbstractRotatableNodePlacer

This method must be implemented by subclasses. It is used to assigns a connector shape direction to each child.

Specified by:

determineChildConnector in class AbstractRotatableNodePlacer

Parameters:

child -

Returns:

NodePlacer.DIRECTION_NORTH

isCreateBus

public boolean isCreateBus()

Whether a bus should be created between the parent and its children.

Returns:

Whether a bus should be created between the parent and its children.

setCreateBus

public void setCreateBus(boolean createBus)

Whether a bus should be created between the parent and its children.

Parameters:

createBus -

placeSubtree

protected y.layout.tree.SubtreeShapeRotated placeSubtree(Node localRoot,
                                                         byte parentConnectorDirection)

Places the children in a single row.

Specified by:

placeSubtree in class AbstractRotatableNodePlacer

Parameters:

localRoot -

parentConnectorDirection -

Returns:

a SubtreeShape instance that describes the shape of the whole subtree