hades.gui
Class SignalMovePointCommand

java.lang.Object
  java.util.EventObject
      hades.gui.Command
          hades.gui.SignalMovePointCommand

All Implemented Interfaces:

java.awt.event.ActionListener, java.util.EventListener, FigCanvasListener, java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable

public class SignalMovePointCommand

extends Command

SignalMovePointCommand - move a point of a Signal in an HADES Design.

See Also:

Serialized Form

Field Summary

(package private) ObjectCanvas	canvas
(package private) java.awt.Point	newPos
(package private) java.awt.Point	oldPos
(package private) Signal	signal

Fields inherited from class hades.gui.Command

console, debug, editor, ready, versionString

Fields inherited from class java.util.EventObject

source

Constructor Summary

SignalMovePointCommand(Editor editor)

Method Summary

void	execute() perform the action corresponding to this SignalMovePointCommand object and register it with the UndoStack.
java.lang.String	getDescription()
void	mousePressed(FigCanvasEvent ME) extract the screen and world coordinates of this Event, and dispatch to setPosition().
void	setPosition(java.awt.Point SP, java.awt.Point WP) this method should be called twice for a move point command.
java.lang.String	toString() toString(): identify this SignalMovePointCommand
void	undo() try to undo this SignalMovePointCommand object.

Methods inherited from class hades.gui.Command

actionPerformed, cancel, dbg, getLogExtraArguments, initialize, isReady, keyPressed, keyReleased, keyTyped, message, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, statusMessage, writePositionLogMessage

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

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

Field Detail

oldPos

java.awt.Point oldPos

newPos

java.awt.Point newPos

signal

Signal signal

canvas

ObjectCanvas canvas

Constructor Detail

SignalMovePointCommand

public SignalMovePointCommand(Editor editor)

Method Detail

execute

public void execute()

perform the action corresponding to this SignalMovePointCommand object and register it with the UndoStack.

Overrides:

execute in class Command

undo

public void undo()

try to undo this SignalMovePointCommand object.

Overrides:

undo in class Command

mousePressed

public void mousePressed(FigCanvasEvent ME)

extract the screen and world coordinates of this Event, and dispatch to setPosition().

Specified by:

mousePressed in interface FigCanvasListener

Overrides:

mousePressed in class Command

setPosition

public void setPosition(java.awt.Point SP,
                        java.awt.Point WP)

this method should be called twice for a move point command. At the first call, we expect the old position of the signal's point to move, and on the second call its target position.

Overrides:

setPosition in class Command

toString

public java.lang.String toString()

toString(): identify this SignalMovePointCommand

Overrides:

toString in class Command

getDescription

public java.lang.String getDescription()

Overrides:

getDescription in class Command