Package org.jungrapht.visualization.control

Class EdgeSelectingGraphMousePlugin<V,E>

java.lang.Object

org.jungrapht.visualization.control.AbstractGraphMousePlugin

org.jungrapht.visualization.control.EdgeSelectingGraphMousePlugin<V,E>

Type Parameters:

V - vertex type

E - edge type

All Implemented Interfaces:

MouseListener, MouseMotionListener, EventListener, GraphMousePlugin

public class EdgeSelectingGraphMousePlugin<V,E>
extends AbstractGraphMousePlugin
implements MouseListener, MouseMotionListener

EdgeSelectingGraphMousePlugin supports the selecting of graph elements with the mouse. MouseButtonOne selects a single vertex or edge, and MouseButtonTwo adds to the set of selected Vertices or EdgeType. If a Vertex is selected and the mouse is dragged while on the selected Vertex, then that Vertex will be repositioned to follow the mouse until the button is released.

Author:

Tom Nelson

Nested Class Summary

Nested classes/interfaces inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

AbstractGraphMousePlugin.Selecting

Field Summary

Fields

Modifier and Type	Field	Description
protected int	addSingleSelectionMask
protected Point2D	deltaDown
protected E	edge	the selected Edge, if any
protected Rectangle2D	footprintRectangle
protected Color	lensColor	color for the picking rectangle
protected VisualizationServer.Paintable	pickFootprintPaintable
protected int	pickSize
protected int	singleSelectionMask

Fields inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

cursor, down, modifiers

Constructor Summary

Constructors

Constructor	Description
EdgeSelectingGraphMousePlugin(int singleSelectionMask, int addSingleSelectionMask)	create an instance with overrides

Method Summary

Modifier and Type	Method	Description
Color	getLensColor()
protected Point2D	inverseTransform(VisualizationViewer<V,E> vv, Point2D p)	override to consider Lens effects
void	mouseClicked(MouseEvent e)
void	mouseDragged(MouseEvent e)	no op
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent e)
void	mouseMoved(MouseEvent e)
void	mousePressed(MouseEvent e)	For primary modifiers (default, MouseButton1): pick a single Vertex or Edge that is under the mouse pointer.
void	mouseReleased(MouseEvent e)	If the mouse is dragging a rectangle, pick the Vertices contained in that rectangle
void	setLensColor(Color lensColor)
protected boolean	singleEdgeSelection(MouseEvent e, Point2D layoutPoint, boolean addToSelection)
protected Shape	transform(VisualizationViewer<V,E> vv, Shape shape)	override to consider Lens effects

Methods inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

checkModifiers, getCursor, getModifiersEx, setCursor, setModifiers

Methods inherited from class java.lang.Object

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

Field Detail

pickSize

protected int pickSize

edge

protected E edge

the selected Edge, if any

footprintRectangle

protected Rectangle2D footprintRectangle

pickFootprintPaintable

protected VisualizationServer.Paintable pickFootprintPaintable

lensColor

protected Color lensColor

color for the picking rectangle

deltaDown

protected Point2D deltaDown

singleSelectionMask

protected int singleSelectionMask

addSingleSelectionMask

protected int addSingleSelectionMask

Constructor Detail

EdgeSelectingGraphMousePlugin

public EdgeSelectingGraphMousePlugin(int singleSelectionMask,
                                     int addSingleSelectionMask)

create an instance with overrides

// * @param selectionModifiers for primary selection // * @param addToSelectionModifiers for additional selection

Method Detail

getLensColor

public Color getLensColor()

Returns:

Returns the lensColor.

setLensColor

public void setLensColor(Color lensColor)

Parameters:

lensColor - The lensColor to set.

mousePressed

public void mousePressed(MouseEvent e)

For primary modifiers (default, MouseButton1): pick a single Vertex or Edge that is under the mouse pointer. If no Vertex or edge is under the pointer, unselect all selected Vertices and edges, and set up to draw a rectangle for multiple selection of contained Vertices. For additional selection (default Shift+MouseButton1): Add to the selection, a single Vertex or Edge that is under the mouse pointer. If a previously selected Vertex or Edge is under the pointer, it is un-selected. If no vertex or Edge is under the pointer, set up to draw a multiple selection rectangle (as above) but do not unpick previously selected elements.

Specified by:

mousePressed in interface MouseListener

Parameters:

e - the event

singleEdgeSelection

protected boolean singleEdgeSelection(MouseEvent e,
                                      Point2D layoutPoint,
                                      boolean addToSelection)

mouseReleased

public void mouseReleased(MouseEvent e)

If the mouse is dragging a rectangle, pick the Vertices contained in that rectangle

clean up settings from mousePressed

Specified by:

mouseReleased in interface MouseListener

mouseDragged

public void mouseDragged(MouseEvent e)

no op

Specified by:

mouseDragged in interface MouseMotionListener

inverseTransform

protected Point2D inverseTransform(VisualizationViewer<V,E> vv,
                                   Point2D p)

override to consider Lens effects

Parameters:

vv -

p -

Returns:

transform

protected Shape transform(VisualizationViewer<V,E> vv,
                          Shape shape)

override to consider Lens effects

Parameters:

vv -

shape -

Returns:

mouseClicked

public void mouseClicked(MouseEvent e)

Specified by:

mouseClicked in interface MouseListener

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

mouseMoved

public void mouseMoved(MouseEvent e)

Specified by:

mouseMoved in interface MouseMotionListener