draw.controller.command

Class Command

java.lang.Object

draw.controller.command.Command

Direct Known Subclasses:

AboutCommand, CopyCommand, CutCommand, DeleteCommand, DuplicateCommand, FillCommand, GroupCommand, NewCommand, OpenCommand, PasteCommand, PenCommand, QuitCommand, SaveCommand, StrokeCommand, UngroupCommand

public abstract class Command
extends java.lang.Object

Base class for each Commmand. Conforms to the Command Design Pattern.

Since:

draw.1

Constructor Summary

Constructors

Constructor and Description
Command(Model model, DrawingPalette view)

Method Summary

Modifier and Type	Method and Description
abstract boolean	execute() Invoke the command.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Command

public Command(Model model,
               DrawingPalette view)

Method Detail

execute

public abstract boolean execute()

Invoke the command.

Returns:

status of execution.