jfig.commands
Class CreateRectangleCommand

java.lang.Object
  jfig.commands.Command
      jfig.commands.CreateRectangleCommand

public class CreateRectangleCommand

extends Command

create a rectangle object.

CreateRectangleCommand allows the user to create a rectangle object (parallel to the x/y axes) by specifying two opposite corners.

Field Summary

protected FigAttribs	attribs
protected int	n_points
protected java.awt.Point	P1
protected java.awt.Point	P2
protected FigObject	rectangle

Fields inherited from class jfig.commands.Command

editor, objectCanvas, ready

Constructor Summary

CreateRectangleCommand(FigBasicEditor editor, FigCanvas objectCanvas)

Method Summary

void	execute() execute the current editor command
java.lang.String	getDescription() one-line description of this command
FigObject[]	getModifiedObjects() return an array-wrapped reference to the rectangle object created by this command.
void	mousePressed(FigCanvasEvent evt) use two mouse clicks to specify the opposite corners of the new rectangle object.
java.lang.String	toString() return a (possibly verbose) description of this Command object
void	undo() undo this command

Methods inherited from class jfig.commands.Command

cancel, isReady, message, notifyEditor, statusMessage

Methods inherited from class java.lang.Object

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

Field Detail

n_points

protected int n_points

rectangle

protected FigObject rectangle

attribs

protected FigAttribs attribs

P1

protected java.awt.Point P1

P2

protected java.awt.Point P2

Constructor Detail

CreateRectangleCommand

public CreateRectangleCommand(FigBasicEditor editor,
                              FigCanvas objectCanvas)

Method Detail

getModifiedObjects

public FigObject[] getModifiedObjects()

return an array-wrapped reference to the rectangle object created by this command. The rectangle reference may be null.

Overrides:

getModifiedObjects in class Command

execute

public void execute()

Description copied from class: Command

execute the current editor command

This method is empty for class Command.

Overrides:

execute in class Command

undo

public void undo()

Description copied from class: Command

undo this command

Try to undo this command as far as possible. Don't try to undo() a command that has never been execute()d before. This method is empty for class Command.

Overrides:

undo in class Command

mousePressed

public void mousePressed(FigCanvasEvent evt)

use two mouse clicks to specify the opposite corners of the new rectangle object.

Overrides:

mousePressed in class Command

getDescription

public java.lang.String getDescription()

Description copied from class: Command

one-line description of this command

return a one-line desription of this command, e.g. to label the undo/redo buttons, if any

Overrides:

getDescription in class Command

toString

public java.lang.String toString()

Description copied from class: Command

return a (possibly verbose) description of this Command object

Overrides:

toString in class Command