infovis.tree.visualization
Class NodeLinkTreeLayout

java.lang.Object
  infovis.tree.visualization.NodeLinkTreeLayout

All Implemented Interfaces:

Layout, Orientable, SwingConstants

Direct Known Subclasses:

DendrogramTreeLayout, RTLayout, SimpleTreeLayout

public abstract class NodeLinkTreeLayout
extends Object
implements Layout, Orientable

Layout class for NodeLinkTreeVisualization.

Version:

$Revision: 1.6 $

Author:

Jean-Daniel Fekete

Field Summary

Fields inherited from interface infovis.visualization.Orientable

DIRECTION, NAME, ORIENTATION_CENTER, ORIENTATION_EAST, ORIENTATION_INVALID, ORIENTATION_NORTH, ORIENTATION_SOUTH, ORIENTATION_WEST, SQRT2

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Method Summary

RowIterator	childrenIterator(int node)
abstract void	computeShapes(Rectangle2D bounds, NodeLinkTreeVisualization vis) Performs the actual computation of the layout.
void	computeShapes(Rectangle2D bounds, Visualization vis) Computes the layout.
Rectangle2D.Float	findRectAt(int row)
int	getFirstChild(int node)
float	getLevelSeparation()
short	getOrientation() Returns the orientation manages by this interface.
int	getParent(int node)
Dimension	getPreferredSize(Visualization vis) Computes and return the preferred size for this layout and this visualization.
Rectangle2D.Float	getRectAt(int row)
float	getSiblingSeparation()
float	getSubtreeSeparation()
void	invalidate(Visualization vis) Invalidate the cached state of the layout.
boolean	isLeaf(int node)
RowIterator	iterator()
void	setLevelSeparation(float levelSeparation)
void	setOrientation(short orientation) Sets the orientation of this interface.
void	setRectSizeAt(int row, Rectangle2D.Float rect) Set the rectangle associated with a specified row.
void	setShapeAt(int row, Shape s) Sets the shape in the shape column.
void	setSiblingSeparation(float siblingSeparation)
void	setSubtreeSeparation(float subtreeSeparation)

Methods inherited from class java.lang.Object

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

Methods inherited from interface infovis.visualization.Layout

getName

Method Detail

getPreferredSize

public Dimension getPreferredSize(Visualization vis)

Computes and return the preferred size for this layout and this visualization.

Specified by:

getPreferredSize in interface Layout

Parameters:

vis - the visualization

Returns:

the preferred size for this layout and this visualization.

invalidate

public void invalidate(Visualization vis)

Invalidate the cached state of the layout.

Call this method from the visualization when it gets invalidated.

Specified by:

invalidate in interface Layout

Parameters:

vis - the visualization.

computeShapes

public void computeShapes(Rectangle2D bounds,
                          Visualization vis)

Computes the layout.

Specified by:

computeShapes in interface Layout

Parameters:

bounds - the allocated bounds of the visualization.

vis - the visualization.

computeShapes

public abstract void computeShapes(Rectangle2D bounds,
                                   NodeLinkTreeVisualization vis)

Performs the actual computation of the layout.

Parameters:

bounds - the visualization bounds

vis - the visualization

findRectAt

public Rectangle2D.Float findRectAt(int row)

See Also:

ShapeColumn.findRect(int)

getRectAt

public Rectangle2D.Float getRectAt(int row)

See Also:

ShapeColumn.getRect(int)

setShapeAt

public void setShapeAt(int row,
                       Shape s)

Sets the shape in the shape column.

Parameters:

row - the row

s - the shape

iterator

public RowIterator iterator()

See Also:

Visualization.iterator()

childrenIterator

public RowIterator childrenIterator(int node)

See Also:

Tree.childrenIterator(int)

isLeaf

public boolean isLeaf(int node)

See Also:

Tree.isLeaf(int)

getFirstChild

public int getFirstChild(int node)

See Also:

TreeVisualization.getFirstChild(int)

getParent

public int getParent(int node)

See Also:

Tree.getParent(int)

getOrientation

public short getOrientation()

Description copied from interface: Orientable

Returns the orientation manages by this interface.

Specified by:

getOrientation in interface Orientable

Returns:

the orientation manages by this interface

See Also:

Orientable.getOrientation()

setOrientation

public void setOrientation(short orientation)

Description copied from interface: Orientable

Sets the orientation of this interface.

Specified by:

setOrientation in interface Orientable

Parameters:

orientation - the orientation.

See Also:

Orientable.setOrientation(short)

setRectSizeAt

public void setRectSizeAt(int row,
                          Rectangle2D.Float rect)

Set the rectangle associated with a specified row.

Parameters:

row - the row

rect - the rectangle

getLevelSeparation

public float getLevelSeparation()

Returns:

Returns the levelSeparation.

setLevelSeparation

public void setLevelSeparation(float levelSeparation)

Parameters:

levelSeparation - The levelSeparation to set.

getSiblingSeparation

public float getSiblingSeparation()

Returns:

Returns the siblingSeparation.

setSiblingSeparation

public void setSiblingSeparation(float siblingSeparation)

Parameters:

siblingSeparation - The siblingSeparation to set.

getSubtreeSeparation

public float getSubtreeSeparation()

Returns:

Returns the subtreeSeparation.

setSubtreeSeparation

public void setSubtreeSeparation(float subtreeSeparation)

Parameters:

subtreeSeparation - The subtreeSeparation to set.