org.jscience.architecture.traffic
Class Selection

java.lang.Object
  java.util.Observable
      org.jscience.architecture.traffic.Selection

All Implemented Interfaces:

Overlay

public class Selection
extends java.util.Observable
implements Overlay

Selections can be made in the simulator and editor

Constructor Summary

Selection(Selection copy)
Creates a new Selection object that is a clone of the given Selection object

Selection(View v)

Selection(View v, java.lang.Class[] sf)

Selection(View v, java.lang.Class[] sf, SelectionStarter ss)

Method Summary

void	addToSelection(java.awt.Point p) Adds the Selectable located at given point to the selection
void	addToSelection(java.awt.Rectangle r) Adds all Selectables inside given rectangle to selection.
void	deselect(Selectable o) Removes a Selectable from the list of selected objects.
void	deselectAll() Removes all objects from the list of selected objects.
int	getNumSelectedObjects() Return the number of currently selected object
java.util.LinkedList	getSelectedObjects() Returns the list of all selected objects
java.lang.Class[]	getSelectionFilter() Returns the current selection filter
SelectionStarter	getSelectionStarter() Returns the current selection starter
View	getView() Returns the view associated with this selection
void	invertWithSelection(java.awt.Point p) Removes the Selectable located at given point from the selection.
boolean	isEmpty() Checks if the selection is empty
void	newSelection(java.awt.Point p) Creates a new selection holding the Selectable located at given point.
void	newSelection(java.awt.Rectangle r) Creates a new selection holding all Selectables inside given rectangle
void	newSelection(Selectable o) Creates a new selection containing the given Selectable
int	overlayType() Returns the type of overlay. 1 indicates a view overlay. 2 indicates a buffer overlay.
void	paint(java.awt.Graphics gr) Draws this Overlay on a given Graphics object.
void	selectAll() Adds all objects to the list of selected objects.
static java.lang.Object	selectObject(java.lang.Class[] sf, SelectionStarter ss, java.awt.Point p) Returns the closest object selected by given point using given SelectionStarter
void	setSelectedObjects(java.util.LinkedList l) Sets the list of all selected objects
void	setSelection(Selection s) Sets this selection to the given selection
void	setSelectionFilter(java.lang.Class[] sf) Sets the current selection filter
void	setSelectionStarter(SelectionStarter ss) Sets the current selection starter

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

Selection

public Selection(View v)

Selection

public Selection(View v,
                 java.lang.Class[] sf)

Selection

public Selection(View v,
                 java.lang.Class[] sf,
                 SelectionStarter ss)

Selection

public Selection(Selection copy)

Creates a new Selection object that is a clone of the given Selection object

Method Detail

overlayType

public int overlayType()

Description copied from interface: Overlay

Returns the type of overlay. 1 indicates a view overlay. 2 indicates a buffer overlay.

Specified by:

overlayType in interface Overlay

Returns:

DOCUMENT ME!

paint

public void paint(java.awt.Graphics gr)
           throws TrafficException

Description copied from interface: Overlay

Draws this Overlay on a given Graphics object.

Specified by:

paint in interface Overlay

Parameters:

gr - The Graphics object to draw this Paintable on

Throws:

TrafficException - DOCUMENT ME!

getView

public View getView()

Returns the view associated with this selection

getSelectionStarter

public SelectionStarter getSelectionStarter()

Returns the current selection starter

setSelectionStarter

public void setSelectionStarter(SelectionStarter ss)

Sets the current selection starter

getSelectionFilter

public java.lang.Class[] getSelectionFilter()

Returns the current selection filter

setSelectionFilter

public void setSelectionFilter(java.lang.Class[] sf)

Sets the current selection filter

getSelectedObjects

public java.util.LinkedList getSelectedObjects()

Returns the list of all selected objects

setSelectedObjects

public void setSelectedObjects(java.util.LinkedList l)

Sets the list of all selected objects

getNumSelectedObjects

public int getNumSelectedObjects()

Return the number of currently selected object

isEmpty

public boolean isEmpty()

Checks if the selection is empty

setSelection

public void setSelection(Selection s)

Sets this selection to the given selection

deselectAll

public void deselectAll()

Removes all objects from the list of selected objects.

deselect

public void deselect(Selectable o)

Removes a Selectable from the list of selected objects.

Parameters:

o - The Selectable to remove from the list

selectAll

public void selectAll()

Adds all objects to the list of selected objects.

Parameters:

o - The Selectable that contains a recursive list of all objects to add

newSelection

public void newSelection(Selectable o)

Creates a new selection containing the given Selectable

Parameters:

o - The Selectable the new selection should contain

newSelection

public void newSelection(java.awt.Point p)

Creates a new selection holding the Selectable located at given point. If no such Selectable exists, the selection is emptied.

Parameters:

p - The point of the Selectable to add to the new selection

addToSelection

public void addToSelection(java.awt.Point p)

Adds the Selectable located at given point to the selection

Parameters:

p - The location of the Selectable to add

invertWithSelection

public void invertWithSelection(java.awt.Point p)

Removes the Selectable located at given point from the selection. If no such Selectable is selected, adds the Selectable located at given point to the selection.

Parameters:

p - The point the Selectable is located at

addToSelection

public void addToSelection(java.awt.Rectangle r)

Adds all Selectables inside given rectangle to selection.

Parameters:

r - The rectangle enclosing Selectables to add

newSelection

public void newSelection(java.awt.Rectangle r)

Creates a new selection holding all Selectables inside given rectangle

Parameters:

r - The rectangle enclosing Selectables

selectObject

public static java.lang.Object selectObject(java.lang.Class[] sf,
                                            SelectionStarter ss,
                                            java.awt.Point p)

Returns the closest object selected by given point using given SelectionStarter

Parameters:

sf - The selection filter to aply

ss - The selection starter

p - The point