hades.gui
Class DeleteSignalCommand

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

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 DeleteSignalCommand

extends Command

DeleteSignalCommand - delete a Signal from an HADES Design.

See Also:

Serialized Form

Field Summary

(package private) ObjectCanvas	canvas
(package private) java.lang.Object	target

Fields inherited from class hades.gui.Command

console, debug, editor, ready, versionString

Fields inherited from class java.util.EventObject

source

Constructor Summary

DeleteSignalCommand(Editor editor)
the default constructor for all DeleteSignalCommand objects.

Method Summary

void	execute() perform the action corresponding to this DeleteSignalCommand 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) the following method is used to pass the (snapped!) coordinates of an MouseEvent to a Command object.
java.lang.String	toString() toString(): identify this DeleteSignalCommand
void	undo() try to undo the action corresponding to this DeleteSignalCommand 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

target

java.lang.Object target

canvas

ObjectCanvas canvas

Constructor Detail

DeleteSignalCommand

public DeleteSignalCommand(Editor editor)

the default constructor for all DeleteSignalCommand objects. The Object 'target' is the object to be modified by this DeleteSignalCommand.

Note that other parameter values (like names, event sources, ...) should be set later on with calls to the corresponding event dispatcher methods, e.g. mousePressed().

Method Detail

execute

public void execute()

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

Overrides:

execute in class Command

undo

public void undo()

try to undo the action corresponding to this DeleteSignalCommand 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)

Description copied from class: Command

the following method is used to pass the (snapped!) coordinates of an MouseEvent to a Command object.

Overrides:

setPosition in class Command

toString

public java.lang.String toString()

toString(): identify this DeleteSignalCommand

Overrides:

toString in class Command

getDescription

public java.lang.String getDescription()

Overrides:

getDescription in class Command