lapisx.swing
Class HistoryComboBoxModel

java.lang.Object
  lapisx.util.History
      lapisx.swing.HistoryComboBoxModel

All Implemented Interfaces:

ComboBoxModel, ListModel

public class HistoryComboBoxModel

extends History

implements ComboBoxModel

An adapter for lapisx.util.History that allows a history to be used as the model for a JComboBox.

Example of use:

 // make a history with room for 10 elements
 HistoryComboBoxModel history = new HistoryComboBoxModel (10);
 // make a combo box that displays the history in its drop-down list
 JComboBox combobox = new JComboBox (history);
 

Field Summary

protected EventListenerList

listenerList Listeners on this object.

Fields inherited from class lapisx.util.History

curr, end, history, start

Constructor Summary

HistoryComboBoxModel(History h)
Make a duplicate of another History.

HistoryComboBoxModel(int max)
Make a HistoryComboBoxModel.

Method Summary

void	addListDataListener(ListDataListener l)
protected void	fire(int eventType, int start, int end)
protected void	fireAdded(int i, int j) Called when new elements are added at history[i..j].
protected void	fireChanged(int i, int j) Called when elements at history[i..j] are replaced.
protected void	fireRemoved(int i, int j) Called when history[i..j] is removed.
Object	getElementAt(int index)
Object	getSelectedItem()
int	getSize()
void	removeListDataListener(ListDataListener l)
void	setSelectedItem(Object obj)

Methods inherited from class lapisx.util.History

add, back, backElements, canBack, canForward, clear, contains, elements, expand, forward, forwardElements, get, isEmpty, isFull, jumpTo, peekBack, peekForward, put, replace, size, toEnd, toStart

Methods inherited from class java.lang.Object

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

Field Detail

listenerList

protected EventListenerList listenerList

Listeners on this object.

Constructor Detail

HistoryComboBoxModel

public HistoryComboBoxModel(int max)

Make a HistoryComboBoxModel.

Parameters:

max - Maximum length of history

HistoryComboBoxModel

public HistoryComboBoxModel(History h)

Make a duplicate of another History.

Parameters:

h - History to copy

Method Detail

addListDataListener

public void addListDataListener(ListDataListener l)

Specified by:

addListDataListener in interface ListModel

removeListDataListener

public void removeListDataListener(ListDataListener l)

Specified by:

removeListDataListener in interface ListModel

getSize

public int getSize()

Specified by:

getSize in interface ListModel

getElementAt

public Object getElementAt(int index)

Specified by:

getElementAt in interface ListModel

getSelectedItem

public Object getSelectedItem()

Specified by:

getSelectedItem in interface ComboBoxModel

setSelectedItem

public void setSelectedItem(Object obj)

Specified by:

setSelectedItem in interface ComboBoxModel

fireRemoved

protected void fireRemoved(int i,
                           int j)

Description copied from class: History

Called when history[i..j] is removed. Used by subclasses that need to generate events. Default implementation does nothing.

Overrides:

fireRemoved in class History

Parameters:

i - index of first removed element

j - index of last removed element

fireAdded

protected void fireAdded(int i,
                         int j)

Description copied from class: History

Called when new elements are added at history[i..j]. Used by subclasses that need to generate events. Default implementation does nothing.

Overrides:

fireAdded in class History

Parameters:

i - index of first added element

j - index of last added element

fireChanged

protected void fireChanged(int i,
                           int j)

Description copied from class: History

Called when elements at history[i..j] are replaced. Also called when history[i] becomes the current element (in which case i == j). Used by subclasses that need to generate events. Default implementation does nothing.

Overrides:

fireChanged in class History

Parameters:

i - index of first changed element

j - index of last changed element

fire

protected void fire(int eventType,
                    int start,
                    int end)