jfig.commands
Class CreateBulletCommand

java.lang.Object
  extended byjfig.commands.Command
      extended byjfig.commands.CreateBulletCommand

public class CreateBulletCommand
extends Command

create an open or filled "bullet point" for a presentation slide. The size of the bullet is taken from SetupManager property "jfig.commands.CreateBulletCommand.DefaultRadius", or the default value of 120 units (at 2400 dpi).


Field Summary
protected  FigObject ellipse
           
 
Fields inherited from class jfig.commands.Command
editor, objectCanvas, ready
 
Constructor Summary
CreateBulletCommand(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 bullet (=ellipse) object created by this command.
 void mousePressed(FigCanvasEvent evt)
          react to a mouse click on the editor canvas
 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

ellipse

protected FigObject ellipse
Constructor Detail

CreateBulletCommand

public CreateBulletCommand(FigBasicEditor editor,
                           FigCanvas objectCanvas)
Method Detail

getModifiedObjects

public FigObject[] getModifiedObjects()
return an array-wrapped reference to the bullet (=ellipse) object created by this command. The ellipse 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)
Description copied from class: Command
react to a mouse click on the editor canvas

This method provides the central callback from the editor to its current command object. Passing a FigCanvasEvent parameter, the editor provides information both about the screen coordinates and the world coordinates of the mouse event.

Naturally, mouse presses are ignored for class Command.

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