hades.gui
Class DeleteSegmentFromSignalCommand

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

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 DeleteSegmentFromSignalCommand

extends Command

DeleteSegmentFromSignalCommand - delete a segment from a Signal

See Also:

Serialized Form

Field Summary

(package private) ObjectCanvas	canvas
(package private) WireSegment	segment
(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

DeleteSegmentFromSignalCommand(Editor editor)
the default Command-object constructor: specify our Editor

Method Summary

void	execute() delete the selected wire segment, construct the Signal connectivity graph, and rebuild the Signal.
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 DeleteSegmentFromSignalCommand
void	undo() At the moment, we cannot undo a DeleteSegmentFromSignalCommand...

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

segment

WireSegment segment

signal

Signal signal

canvas

ObjectCanvas canvas

Constructor Detail

DeleteSegmentFromSignalCommand

public DeleteSegmentFromSignalCommand(Editor editor)

the default Command-object constructor: specify our Editor

Method Detail

execute

public void execute()

delete the selected wire segment, construct the Signal connectivity graph, and rebuild the Signal. This command splits the Signal into its individual connected subgraphs, if necessary. Register this command with the UndoStack.

Overrides:

execute in class Command

undo

public void undo()

At the moment, we cannot undo a DeleteSegmentFromSignalCommand...

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 DeleteSegmentFromSignalCommand

Overrides:

toString in class Command

getDescription

public java.lang.String getDescription()

Overrides:

getDescription in class Command