simplecalculator
Class SimpleCalculator

java.lang.Object
  csdk.v1_0.helper.application.AbstractApplication
      csdk.v1_0.helper.AbstractCSDKApplication
          csdk.v1_0.helper.AbstractCSDKWindowApplication
              simplecalculator.SimpleCalculator

All Implemented Interfaces:

IApplication, IApplicationContext, ICommandContext, IContext, ICSDKEnvironment, ILocalFileSystemContext, IProjectContext, ActionListener, Serializable, EventListener

public class SimpleCalculator
extends AbstractCSDKWindowApplication
implements ActionListener

Aplicação de calculadora simples.

Author:

Tecgraf/PUC-Rio

See Also:

Serialized Form

Field Summary

static int	OpDivide The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpMClear The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpMinus The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpMPlus The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpMR The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpMultiply The following integer values are being set as "final" because they are going to be used for determining what button has been pushed
static int	OpPlus The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

Constructor Summary

SimpleCalculator(ICSDKEnvironment csdkInterface)
Construtor.

Method Summary

void	actionPerformed(ActionEvent event) This method is called whenever an action is performed on the applet, * specifically whenever one of the buttons on the applet is pressed *
protected void	applicationEnded()
protected void	applicationStarted(JFrame frame) Montagem do diálogo principal.
JPanel	buildPanel() This the only method that is called explicitly -- every other method is called depending on the user's actions.
boolean	canEndApplication() Método que permite sempre ao usuário matar a aplicação.
void	DecimalButton() This is a method that is called whenever the decimal button is pressed.
boolean	keyDown(Event evt, int key) The following method handles all of the key events that occurs when a user enters values from the keyboard.
void	NumericButton(int i) This method is called whenever a numeric button (0-9) is pushed.
void	OperatorButton(int i)

Methods inherited from class csdk.v1_0.helper.AbstractCSDKWindowApplication

addWindow, closeDependentWindows, getApplicationFrame, onApplicationEnd, onApplicationStart, removeWindow

Methods inherited from class csdk.v1_0.helper.AbstractCSDKApplication

addProjectObserver, browseLocalFileInOpenMode, browseLocalFileInSaveMode, browseMultipleLocalFilesInOpenMode, browseMultipleProjectFilesInOpenMode, browseProjectFileInOpenMode, browseProjectFileInSaveMode, createLocalFile, createProjectFile, executeAlgorithm, executeFlow, getCurrentProjectId, getLocalFile, getProjectFile, isCommandContextAvailable, isFileSystemContextAvailable, isProjectContextAvailable, isProjectOpen, removeLocalFile, removeProjectFile, removeProjectObserver

Methods inherited from class csdk.v1_0.helper.application.AbstractApplication

finishApplication, getApplicationDescription, getApplicationFileTypes, getApplicationIcon, getApplicationId, getApplicationName, getAuthor, getAuthorEmail, getCharset, getClassString, getContext, getImageIcon, getInstanceId, getLocale, getProperty, getServerCharset, getSmallApplicationIcon, getString, getVersion, handleException, hasClassString, hasString, isActive, isApplicationContextAvailable, isBundleRequired, isPropertyNull, isSingleton, onContextActivate, onContextDeactivate, onMessageReceived, requiresProject, runApplication, sendMessage

Methods inherited from class java.lang.Object

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

Methods inherited from interface csdk.v1_0.api.core.IContext

isActive, onContextActivate, onContextDeactivate

Field Detail

OpMinus

public static final int OpMinus

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpMultiply

public static final int OpMultiply

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpPlus

public static final int OpPlus

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpDivide

public static final int OpDivide

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpMPlus

public static final int OpMPlus

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpMClear

public static final int OpMClear

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

OpMR

public static final int OpMR

The following integer values are being set as "final" because they are going to be used for determining what button has been pushed

See Also:

Constant Field Values

Constructor Detail

SimpleCalculator

public SimpleCalculator(ICSDKEnvironment csdkInterface)

Construtor.

Parameters:

csdkInterface - interface padrão para o ambiente CSDK.

Method Detail

applicationStarted

protected void applicationStarted(JFrame frame)

Montagem do diálogo principal.

Specified by:

applicationStarted in class AbstractCSDKWindowApplication

canEndApplication

public boolean canEndApplication()

Método que permite sempre ao usuário matar a aplicação.

Specified by:

canEndApplication in interface IApplication

Overrides:

canEndApplication in class AbstractApplication

Returns:

o flag indicativo.

buildPanel

public JPanel buildPanel()

This the only method that is called explicitly -- every other method is called depending on the user's actions.

Returns:

painel

NumericButton

public void NumericButton(int i)

This method is called whenever a numeric button (0-9) is pushed.

Parameters:

i - The pushed buttom

OperatorButton

public void OperatorButton(int i)

Parameters:

i - operation

DecimalButton

public void DecimalButton()

This is a method that is called whenever the decimal button is pressed.

actionPerformed

public void actionPerformed(ActionEvent event)

This method is called whenever an action is performed on the applet, * specifically whenever one of the buttons on the applet is pressed *

Specified by:

actionPerformed in interface ActionListener

keyDown

public boolean keyDown(Event evt,
                       int key)

The following method handles all of the key events that occurs when a user enters values from the keyboard. It accepts an Event object and an integer representing the key pressed as arguments. It should be noted that in order to accept keys entered to the lcdDisplay, the applet must be in focus.

Parameters:

evt - event

key - key

Returns:

flag

applicationEnded

protected void applicationEnded()

Specified by:

applicationEnded in class AbstractCSDKWindowApplication