hades.gui
Class InsertVertexIntoSignalCommand

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

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 InsertVertexIntoSignalCommand

extends Command

InsertVertexIntoSignalCommand - insert a new vertex (middle point) into a HADES Signal

See Also:

Serialized Form

Field Summary

(package private) ObjectCanvas	canvas
(package private) WireSegment	newSegment1
(package private) WireSegment	newSegment2
(package private) java.awt.Point	newVertex
(package private) WireSegment	originalSegment
(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

InsertVertexIntoSignalCommand(Editor editor)
The standard constructor

Method Summary

void	execute() insert a new vertex at position WP into Signal 'signal' and register this command with the UndoStack.
java.lang.String	getDescription()
void	setPosition(java.awt.Point SP, java.awt.Point WP) this method is only called once for a insert vertex command: we just need one coordinate to find the nearest wire segment and to specify where to insert the vertex (which may be moved later on).
java.lang.String	toString() toString(): identify this InsertVertexIntoSignalCommand
void	undo() try to undo this command: we simple remove the new segments and restore the old wire segment.

Methods inherited from class hades.gui.Command

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

signal

Signal signal

originalSegment

WireSegment originalSegment

newSegment1

WireSegment newSegment1

newSegment2

WireSegment newSegment2

canvas

ObjectCanvas canvas

newVertex

java.awt.Point newVertex

Constructor Detail

InsertVertexIntoSignalCommand

public InsertVertexIntoSignalCommand(Editor editor)

The standard constructor

Method Detail

execute

public void execute()

insert a new vertex at position WP into Signal 'signal' and register this command with the UndoStack.

Overrides:

execute in class Command

undo

public void undo()

try to undo this command: we simple remove the new segments and restore the old wire segment.

Overrides:

undo in class Command

setPosition

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

this method is only called once for a insert vertex command: we just need one coordinate to find the nearest wire segment and to specify where to insert the vertex (which may be moved later on).

Overrides:

setPosition in class Command

toString

public java.lang.String toString()

toString(): identify this InsertVertexIntoSignalCommand

Overrides:

toString in class Command

getDescription

public java.lang.String getDescription()

Overrides:

getDescription in class Command