hades.gui
Class DeleteCommand

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

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 DeleteCommand

extends Command

DeleteCommand - delete an object (SimObject or WireSegment) from a Design.

See Also:

Serialized Form

Field Summary

Fields inherited from class hades.gui.Command

console, debug, editor, ready, versionString

Fields inherited from class java.util.EventObject

source

Constructor Summary

DeleteCommand(Editor editor)
construct an DeleteCommand, before we know whether to delete a component (SimObject) or a Signal.

Method Summary

void	cancel()
void	execute() perform the action corresponding to this DeleteCommand object and register it with the UndoStack.
java.lang.String	getDescription()
boolean	isReady() check whether the current DeleteCommand object is ready (has all required parameters, etc.).
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 DeleteCommand
void	undo() try to undo the action corresponding to this DeleteCommand object.

Methods inherited from class hades.gui.Command

actionPerformed, dbg, getLogExtraArguments, initialize, 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

Constructor Detail

DeleteCommand

public DeleteCommand(Editor editor)

construct an DeleteCommand, before we know whether to delete a component (SimObject) or a Signal.

Method Detail

isReady

public boolean isReady()

check whether the current DeleteCommand object is ready (has all required parameters, etc.). Note that an DeleteCommand is always ready.

Overrides:

isReady in class Command

execute

public void execute()

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

Overrides:

execute in class Command

cancel

public void cancel()

Overrides:

cancel in class Command

undo

public void undo()

try to undo the action corresponding to this DeleteCommand 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 DeleteCommand

Overrides:

toString in class Command

getDescription

public java.lang.String getDescription()

Overrides:

getDescription in class Command