infovis.graph.visualization.layout
Class AbstractGraphLayout

java.lang.Object
  infovis.graph.GraphProxy
      infovis.graph.visualization.layout.AbstractGraphLayout

All Implemented Interfaces:

Graph, NodeLinkGraphLayout, Metadata, Constants, Layout

Direct Known Subclasses:

CircularLayout, GraphVizLayout, RandomGraphLayout

public abstract class AbstractGraphLayout
extends GraphProxy
implements NodeLinkGraphLayout

Abstract implementation of NodeLinkGraphLayout

Version:

$Revision: 1.16 $

Author:

Jean-Daniel Fekete

Field Summary

static String

COLUMN_FIXED

Fields inherited from interface infovis.Graph

GRAPH_TYPE, GRAPH_TYPE_DIRECTED, GRAPH_TYPE_UNDIRECTED, NIL

Fields inherited from interface infovis.metadata.Constants

CONTRIBUTOR, COVERAGE, CREATOR, DATE, DESCRITION, FORMAT, IDENTIFIER, LANGUAGE, PUBLISHER, RELATION, RIGHTS, SOURCE, SUBJECT, TITLE, TYPE

Method Summary

void	computeShapes(Rectangle2D bounds, NodeLinkGraphVisualization vis)
void	computeShapes(Rectangle2D bounds, Visualization vis) Computes the layout.
Rectangle2D.Float	createRect()
Rectangle2D	getBounds()
ShapeColumn	getLinkShapes()
short	getOrientation()
Component	getParent()
Dimension	getPreferredSize(Visualization vis) Computes and return the preferred size for this layout and this visualization.
Rectangle2D.Float	getRectAt(int row)
ShapeColumn	getShapes()
NodeLinkGraphVisualization	getVisualization()
void	incrementLayout(Rectangle2D bounds, NodeLinkGraphVisualization vis)
Rectangle2D.Float	initRect(Rectangle2D.Float rect)
void	invalidate(Visualization vis) Invalidate the cached state of the layout.
boolean	isFinished()
void	setRectSizeAt(int row, Rectangle2D.Float rect)
void	setShapeAt(int row, Shape s)

Methods inherited from class infovis.graph.GraphProxy

addEdge, addGraphChangedListener, addVertex, clear, edgeIterator, edgeIterator, findEdge, getClientProperty, getDegree, getEdge, getEdgesCount, getEdgeTable, getFirstVertex, getGraph, getInDegree, getInEdgeAt, getMetadata, getName, getOtherVertex, getOutDegree, getOutEdgeAt, getSecondVertex, getVertexTable, getVerticesCount, inEdgeIterator, isDirected, outEdgeIterator, removeEdge, removeGraphChangedListener, removeVertex, setDirected, setGraph, setName, vertexIterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface infovis.visualization.Layout

getName

Field Detail

COLUMN_FIXED

public static final String COLUMN_FIXED

See Also:

Constant Field Values

Method Detail

getVisualization

public NodeLinkGraphVisualization getVisualization()

getRectAt

public Rectangle2D.Float getRectAt(int row)

createRect

public Rectangle2D.Float createRect()

initRect

public Rectangle2D.Float initRect(Rectangle2D.Float rect)

getShapes

public ShapeColumn getShapes()

setRectSizeAt

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

setShapeAt

public void setShapeAt(int row,
                       Shape s)

getBounds

public Rectangle2D getBounds()

getOrientation

public short getOrientation()

getParent

public Component getParent()

getLinkShapes

public ShapeColumn getLinkShapes()

computeShapes

public void computeShapes(Rectangle2D bounds,
                          Visualization vis)

Description copied from interface: Layout

Computes the layout.

Specified by:

computeShapes in interface Layout

Parameters:

bounds - the allocated bounds of the visualization.

vis - the visualization.

computeShapes

public void computeShapes(Rectangle2D bounds,
                          NodeLinkGraphVisualization vis)

incrementLayout

public void incrementLayout(Rectangle2D bounds,
                            NodeLinkGraphVisualization vis)

Specified by:

incrementLayout in interface NodeLinkGraphLayout

isFinished

public boolean isFinished()

Specified by:

isFinished in interface NodeLinkGraphLayout

getPreferredSize

public Dimension getPreferredSize(Visualization vis)

Description copied from interface: Layout

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)

Description copied from interface: Layout

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.