Package org.jungrapht.visualization.spatial

Class SwingThreadSpatial<T,NT>

java.lang.Object

org.jungrapht.visualization.spatial.SwingThreadSpatial<T,NT>

All Implemented Interfaces:

LayoutStateChange.Listener, LayoutVertexPositionChange.Listener<NT>, Spatial<T,NT>

public class SwingThreadSpatial<T,NT>
extends Object
implements Spatial<T,NT>

Nested Class Summary

Nested classes/interfaces inherited from interface org.jungrapht.visualization.spatial.Spatial

Spatial.NoOp<T,NT>

Field Summary

Fields

Modifier and Type	Field	Description
protected Runnable	after
protected Spatial<T,NT>	spatial

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SwingThreadSpatial(Spatial<T,NT> delegate)

Method Summary

Modifier and Type	Method	Description
Spatial<T,NT>	after(Runnable after)
void	clear()	destroy the current spatial structure
T	getClosestElement(double x, double y)
T	getClosestElement(Point2D p)
TreeNode	getContainingLeaf(Object element)
Set<? extends TreeNode>	getContainingLeafs(double x, double y)
Set<? extends TreeNode>	getContainingLeafs(Point2D p)
List<Shape>	getGrid()
Rectangle2D	getLayoutArea()
LayoutModel	getLayoutModel()
Collection<Shape>	getPickShapes()	a short-lived collection of recent pick target areas
Spatial<T,NT>	getSpatial()
Rectangle2D	getUnion(Rectangle2D rect, double x, double y)
Rectangle2D	getUnion(Rectangle2D rect, Point2D p)	expands the passed rectangle so that it includes the passed point
Set<T>	getVisibleElements(Shape shape)
boolean	isActive()
void	layoutStateChanged(LayoutStateChange.Event evt)
void	layoutVertexPositionChanged(LayoutVertexPositionChange.Event<NT> evt)
void	layoutVertexPositionChanged(LayoutVertexPositionChange.GraphEvent<NT> evt)
static <T,NT> SwingThreadSpatial<T,NT>	of(Spatial<T,NT> delegate)
void	recalculate()	rebuild the data structure
void	setActive(boolean active)	a flag to suggest whether or not the spatial structure should be used
void	setBounds(Rectangle2D bounds)
void	update(T element, Point location)	update the spatial structure with the (possibly new) location of the passed element

Methods inherited from class java.lang.Object

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

Field Detail

spatial

protected Spatial<T,NT> spatial

after

protected Runnable after

Constructor Detail

SwingThreadSpatial

protected SwingThreadSpatial(Spatial<T,NT> delegate)

Method Detail

of

public static <T,NT> SwingThreadSpatial<T,NT> of(Spatial<T,NT> delegate)

getSpatial

public Spatial<T,NT> getSpatial()

layoutStateChanged

public void layoutStateChanged(LayoutStateChange.Event evt)

Specified by:

layoutStateChanged in interface LayoutStateChange.Listener

after

public Spatial<T,NT> after(Runnable after)

setActive

public void setActive(boolean active)

Description copied from interface: Spatial

a flag to suggest whether or not the spatial structure should be used

Specified by:

setActive in interface Spatial<T,NT>

isActive

public boolean isActive()

Specified by:

isActive in interface Spatial<T,NT>

Returns:

a hint about whether the spatial structure should be used

getGrid

public List<Shape> getGrid()

Specified by:

getGrid in interface Spatial<T,NT>

Returns:

a geometic representation of the spatial structure

getPickShapes

public Collection<Shape> getPickShapes()

Description copied from interface: Spatial

a short-lived collection of recent pick target areas

Specified by:

getPickShapes in interface Spatial<T,NT>

Returns:

clear

public void clear()

Description copied from interface: Spatial

destroy the current spatial structure

Specified by:

clear in interface Spatial<T,NT>

recalculate

public void recalculate()

Description copied from interface: Spatial

rebuild the data structure

Specified by:

recalculate in interface Spatial<T,NT>

getLayoutArea

public Rectangle2D getLayoutArea()

Specified by:

getLayoutArea in interface Spatial<T,NT>

Returns:

the 2 dimensional area of interest for this class

setBounds

public void setBounds(Rectangle2D bounds)

Specified by:

setBounds in interface Spatial<T,NT>

Parameters:

bounds - the new bounds for the data struture

getUnion

public Rectangle2D getUnion(Rectangle2D rect,
                            Point2D p)

Description copied from interface: Spatial

expands the passed rectangle so that it includes the passed point

Specified by:

getUnion in interface Spatial<T,NT>

Parameters:

rect - the area to consider

p - the point that may be outside of the area

Returns:

a new rectangle

getUnion

public Rectangle2D getUnion(Rectangle2D rect,
                            double x,
                            double y)

Specified by:

getUnion in interface Spatial<T,NT>

update

public void update(T element,
                   Point location)

Description copied from interface: Spatial

update the spatial structure with the (possibly new) location of the passed element

Specified by:

update in interface Spatial<T,NT>

Parameters:

element - the element to consider

location - the location of the element

getContainingLeafs

public Set<? extends TreeNode> getContainingLeafs(Point2D p)

Specified by:

getContainingLeafs in interface Spatial<T,NT>

Parameters:

p - a point to search in the spatial structure

Returns:

all leaf nodes that contain the passed point

getContainingLeafs

public Set<? extends TreeNode> getContainingLeafs(double x,
                                                  double y)

Specified by:

getContainingLeafs in interface Spatial<T,NT>

Parameters:

x - the x location to search for

y - the y location to search for

Returns:

all leaf nodes that contain the passed coordinates

getContainingLeaf

public TreeNode getContainingLeaf(Object element)

Specified by:

getContainingLeaf in interface Spatial<T,NT>

Parameters:

element - element to search for

Returns:

the leaf node that currently contains the element (not a spatial search)

getVisibleElements

public Set<T> getVisibleElements(Shape shape)

Specified by:

getVisibleElements in interface Spatial<T,NT>

Parameters:

shape - a shape to filter the spatial structure's elements

Returns:

all elements that are contained in the passed shape

getClosestElement

public T getClosestElement(Point2D p)

Specified by:

getClosestElement in interface Spatial<T,NT>

Parameters:

p - a point to search in the spatial structure

Returns:

the closest element to the passed point

getClosestElement

public T getClosestElement(double x,
                           double y)

Specified by:

getClosestElement in interface Spatial<T,NT>

Parameters:

x - coordinate of a point to search in the spatial structure

y - coordinate of a point to search in the spatial structure

Returns:

the closest element to the passed coordinates

getLayoutModel

public LayoutModel getLayoutModel()

Specified by:

getLayoutModel in interface Spatial<T,NT>

layoutVertexPositionChanged

public void layoutVertexPositionChanged(LayoutVertexPositionChange.Event<NT> evt)

Specified by:

layoutVertexPositionChanged in interface LayoutVertexPositionChange.Listener<T>

layoutVertexPositionChanged

public void layoutVertexPositionChanged(LayoutVertexPositionChange.GraphEvent<NT> evt)

Specified by:

layoutVertexPositionChanged in interface LayoutVertexPositionChange.Listener<T>