edu.jhu.cs.oose.elevel.AdvancedEditCard.commands
Class DrawItemCommand

java.lang.Object
  com.trolltech.qt.internal.QSignalEmitterInternal
      com.trolltech.qt.QSignalEmitter
          com.trolltech.qt.QtJambiObject
              com.trolltech.qt.gui.QUndoCommand
                  edu.jhu.cs.oose.elevel.AdvancedEditCard.commands.DrawCommand
                      edu.jhu.cs.oose.elevel.AdvancedEditCard.commands.DrawItemCommand

All Implemented Interfaces:

com.trolltech.qt.QtJambiInterface

public class DrawItemCommand
extends DrawCommand

Author:

Jesse Yates

Nested Class Summary

Nested classes/interfaces inherited from class com.trolltech.qt.QtJambiObject

com.trolltech.qt.QtJambiObject.QPrivateConstructor

Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter

com.trolltech.qt.QSignalEmitter.AbstractSignal, com.trolltech.qt.QSignalEmitter.PrivateSignal0, com.trolltech.qt.QSignalEmitter.PrivateSignal1<A>, com.trolltech.qt.QSignalEmitter.PrivateSignal2<A,B>, com.trolltech.qt.QSignalEmitter.PrivateSignal3<A,B,C>, com.trolltech.qt.QSignalEmitter.PrivateSignal4<A,B,C,D>, com.trolltech.qt.QSignalEmitter.PrivateSignal5<A,B,C,D,E>, com.trolltech.qt.QSignalEmitter.PrivateSignal6<A,B,C,D,E,F>, com.trolltech.qt.QSignalEmitter.PrivateSignal7<A,B,C,D,E,F,G>, com.trolltech.qt.QSignalEmitter.PrivateSignal8<A,B,C,D,E,F,G,H>, com.trolltech.qt.QSignalEmitter.PrivateSignal9<A,B,C,D,E,F,G,H,I>, com.trolltech.qt.QSignalEmitter.Signal0, com.trolltech.qt.QSignalEmitter.Signal1<A>, com.trolltech.qt.QSignalEmitter.Signal2<A,B>, com.trolltech.qt.QSignalEmitter.Signal3<A,B,C>, com.trolltech.qt.QSignalEmitter.Signal4<A,B,C,D>, com.trolltech.qt.QSignalEmitter.Signal5<A,B,C,D,E>, com.trolltech.qt.QSignalEmitter.Signal6<A,B,C,D,E,F>, com.trolltech.qt.QSignalEmitter.Signal7<A,B,C,D,E,F,G>, com.trolltech.qt.QSignalEmitter.Signal8<A,B,C,D,E,F,G,H>, com.trolltech.qt.QSignalEmitter.Signal9<A,B,C,D,E,F,G,H,I>

Nested classes/interfaces inherited from class com.trolltech.qt.internal.QSignalEmitterInternal

com.trolltech.qt.internal.QSignalEmitterInternal.AbstractSignalInternal

Field Summary

Fields inherited from class edu.jhu.cs.oose.elevel.AdvancedEditCard.commands.DrawCommand

canvas, item

Fields inherited from class com.trolltech.qt.internal.QSignalEmitterInternal

currentSender

Constructor Summary

DrawItemCommand(com.trolltech.qt.gui.QGraphicsItemInterface add, com.trolltech.qt.gui.QGraphicsScene scene)
Impelmentation of the DrawCommand

Method Summary

boolean	isValid() Determines if this is a valid command
boolean	mergeWith(com.trolltech.qt.gui.QUndoCommand other) Determine if this can be merged with another command.
void	redo() Redo the command.
void	undo() Undo the previous command

Methods inherited from class com.trolltech.qt.gui.QUndoCommand

child, childCount, fromNativePointer, id, setText, text

Methods inherited from class com.trolltech.qt.QtJambiObject

disableGarbageCollection, dispose, disposed, equals, finalize, nativeId, nativePointer, reassignNativeResources, reenableGarbageCollection, setJavaOwnership, tr, tr, tr

Methods inherited from class com.trolltech.qt.QSignalEmitter

blockSignals, disconnect, disconnect, signalsBlocked, signalSender, thread

Methods inherited from class com.trolltech.qt.internal.QSignalEmitterInternal

__qt_signalInitialization

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DrawItemCommand

public DrawItemCommand(com.trolltech.qt.gui.QGraphicsItemInterface add,
                       com.trolltech.qt.gui.QGraphicsScene scene)

Impelmentation of the DrawCommand

Parameters:

add - Element to be added

scene - The model to add the element to

Method Detail

undo

public void undo()

Undo the previous command

Overrides:

undo in class com.trolltech.qt.gui.QUndoCommand

redo

public void redo()

Redo the command. Called when added to the stack

Overrides:

redo in class com.trolltech.qt.gui.QUndoCommand

mergeWith

public boolean mergeWith(com.trolltech.qt.gui.QUndoCommand other)

Determine if this can be merged with another command. Currently no merging is instantiated

Overrides:

mergeWith in class com.trolltech.qt.gui.QUndoCommand

isValid

public boolean isValid()

Determines if this is a valid command

Specified by:

isValid in class DrawCommand

Returns:

true if it is a valid command, false otherwise