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novaworx.gui
Class ProgramAction  

java.lang.Object
  javax.swing.AbstractAction
      novaworx.swing.XAction
          novaworx.gui.ProgramAction

All Implemented Interfaces:

javax.swing.Action, java.awt.event.ActionListener, java.lang.Cloneable, java.util.EventListener, java.io.Serializable

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public class ProgramAction

extends novaworx.swing.XAction

This class is used to handle the visual aspects of actions. Since components may treat an action specifically this class allows a component specific action to be set as the acting action. The idea being that when a component gains focus it will register the actions that it handles with the appropriate instance of this class. When the component looses focus then the component will unregister the actions that it handles. This works fine in theory but is a little problematic in reality. The most noticable issue is when a menu item gains the focus it will cause the component that was focused to loose focus and therefore disable the acctions it can handle by the time the user selects the menu item.

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Nested Class Summary
private  class	ProgramAction.SetEnabled           The class to set the enabled flag from the event dispatch thread.

 

Field Summary
private  java.util.Stack	moListenerStack           The stack of listeners.
private  java.lang.String	msCommand           The command to be sent.
static int	NONE

 

Fields inherited from class novaworx.swing.XAction

SHORTCUT_KEY_SEQUENCE

 

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

 

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, SMALL_ICON

 

Constructor Summary

ProgramAction(java.lang.String sCommand, java.lang.String sName)           Construct a program action.

ProgramAction(java.lang.String sCommand, java.lang.String sName, javax.swing.Icon cIcon)           Construct a program action.

ProgramAction(java.lang.String sCommand, java.lang.String sName, javax.swing.Icon cIcon, int nMnemonic)           Construct a program action.

ProgramAction(java.lang.String sCommand, java.lang.String sName, javax.swing.Icon cIcon, int nMnemonic, int nKey)           Construct a program action.

ProgramAction(java.lang.String sCommand, java.lang.String sName, javax.swing.Icon cIcon, int nMnemonic, int nKey, int nMask)           Construct a program action.

ProgramAction(java.lang.String sCommand, java.lang.String sName, javax.swing.Icon cIcon, int nMnemonic, java.lang.String asKeySequence)           Construct a program action.

 

Method Summary
void	actionPerformed(java.awt.event.ActionEvent aoEvent)           Do whatever this action is going to do.
java.lang.String	getCommand()           Get the command associated with this action.
java.awt.event.ActionListener	getListener()           Get the current action listener.
java.awt.event.ActionListener	peekListener()           Get the current ActionListener.
boolean	performAction(java.awt.event.ActionEvent aoEvent)           Called by the KeyEventGrabber.
java.awt.event.ActionListener	pullListener(java.awt.event.ActionListener aoListener)           Remove an ActionListener.
java.awt.event.ActionListener	pullListener(java.awt.event.ActionListener aoListener, boolean abEnabled)           Remove an ActionListener.
void	pushListener(java.awt.event.ActionListener aoListener)           Add an ActionListener.
void	pushListener(java.awt.event.ActionListener aoListener, boolean abEnabled)           Add an ActionListener.
void	setEnabled(boolean abEnabled)           Set the enabled flag.

 

Methods inherited from class novaworx.swing.XAction

encodeKeyEvent, getShortcutDisplayText

 

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NONE

public static final int NONE

See Also:

Constant Field Values

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msCommand

private java.lang.String msCommand

The command to be sent.

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moListenerStack

private java.util.Stack moListenerStack

The stack of listeners.

Constructor Detail

ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName)

Construct a program action.

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ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName,
                     javax.swing.Icon cIcon)

Construct a program action.

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ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName,
                     javax.swing.Icon cIcon,
                     int nMnemonic)

Construct a program action.

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ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName,
                     javax.swing.Icon cIcon,
                     int nMnemonic,
                     int nKey)

Construct a program action.

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ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName,
                     javax.swing.Icon cIcon,
                     int nMnemonic,
                     int nKey,
                     int nMask)

Construct a program action.

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ProgramAction

public ProgramAction(java.lang.String sCommand,
                     java.lang.String sName,
                     javax.swing.Icon cIcon,
                     int nMnemonic,
                     java.lang.String asKeySequence)

Construct a program action.

Method Detail

getCommand

public java.lang.String getCommand()

Get the command associated with this action.

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performAction

public boolean performAction(java.awt.event.ActionEvent aoEvent)

Called by the KeyEventGrabber.

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actionPerformed

public void actionPerformed(java.awt.event.ActionEvent aoEvent)

Do whatever this action is going to do.

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setEnabled

public void setEnabled(boolean abEnabled)

Set the enabled flag. This is now save to call from any thread.

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pushListener

public void pushListener(java.awt.event.ActionListener aoListener)

Add an ActionListener.

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pushListener

public void pushListener(java.awt.event.ActionListener aoListener,
                         boolean abEnabled)

Add an ActionListener.

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peekListener

public java.awt.event.ActionListener peekListener()

Get the current ActionListener.

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pullListener

public java.awt.event.ActionListener pullListener(java.awt.event.ActionListener aoListener)

Remove an ActionListener.

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pullListener

public java.awt.event.ActionListener pullListener(java.awt.event.ActionListener aoListener,
                                                  boolean abEnabled)

Remove an ActionListener.

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getListener

public java.awt.event.ActionListener getListener()

Get the current action listener.

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