weka.gui
Class GenericObjectEditorHistory

java.lang.Object
  weka.gui.GenericObjectEditorHistory

All Implemented Interfaces:

Serializable

public class GenericObjectEditorHistory
extends Object
implements Serializable

A helper class for maintaining a history of objects selected in the GOE.

Version:

$Revision: 8082 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

static class	GenericObjectEditorHistory.HistorySelectionEvent Event that gets sent when a history item gets selected.
static interface	GenericObjectEditorHistory.HistorySelectionListener Interface for classes that listen to selections of history items.

Field Summary

static int	MAX_HISTORY_COUNT the maximum entries in the history.
static int	MAX_HISTORY_LENGTH the maximum length of a caption in the history.
static int	MAX_LINE_LENGTH the menu max line length.

Constructor Summary

GenericObjectEditorHistory()
Initializes the history.

Method Summary

void	add(Object obj) Adds the object to the history.
void	clear() Clears the history.
void	customizePopupMenu(JPopupMenu menu, Object current, GenericObjectEditorHistory.HistorySelectionListener listener) Adds a menu item with the history to the popup menu.
Vector	getHistory() Returns the current history.
int	size() Returns the number of entries in the history.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_HISTORY_COUNT

public static final int MAX_HISTORY_COUNT

the maximum entries in the history.

See Also:

Constant Field Values

MAX_HISTORY_LENGTH

public static final int MAX_HISTORY_LENGTH

the maximum length of a caption in the history.

See Also:

Constant Field Values

MAX_LINE_LENGTH

public static final int MAX_LINE_LENGTH

the menu max line length.

See Also:

Constant Field Values

Constructor Detail

GenericObjectEditorHistory

public GenericObjectEditorHistory()

Initializes the history.

Method Detail

clear

public void clear()

Clears the history.

add

public void add(Object obj)

Adds the object to the history.

Parameters:

obj - the object to add

size

public int size()

Returns the number of entries in the history.

Returns:

the size of the history

getHistory

public Vector getHistory()

Returns the current history.

Returns:

the history

customizePopupMenu

public void customizePopupMenu(JPopupMenu menu,
                               Object current,
                               GenericObjectEditorHistory.HistorySelectionListener listener)

Adds a menu item with the history to the popup menu.

Parameters:

menu - the menu to add the history to

current - the current object

listener - the listener to attach to the menu items' ActionListener