com.zfqjava.swing
Class DefaultHistoryModel

java.lang.Object
  com.zfqjava.swing.DefaultHistoryModel

All Implemented Interfaces:

HistoryModel

public class DefaultHistoryModel
extends Object
implements HistoryModel

Constructor Summary

DefaultHistoryModel()

Method Summary

void	add(Object o) Adds a item to this model.
void	addChangeListener(ChangeListener l) Adds the listener.
Object	current() Returns current object.
protected void	fireStateChanged() Notifies all listeners that have registered interest for notification on this event type.
Object	get(int index) Returns the item at the specified index.
ChangeListener[]	getChangeListeners() Returns an array of all the change listeners registered on this DefaultSingleSelectionModel.
int	getIndex() Returns the index of current item.
boolean	hasNext() Determines the model has next item.
boolean	hasPrevious() Determines the model has previous item.
boolean	isEmpty() Determines the model is empty.
void	removeChangeListener(ChangeListener l) Removes the listener.
void	setIndex(int index) Sets the current index to the specifed index.
int	size() Returns the size of this model.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultHistoryModel

public DefaultHistoryModel()

Method Detail

current

public Object current()
               throws NoSuchElementException

Description copied from interface: HistoryModel

Returns current object.

Specified by:

current in interface HistoryModel

Returns:

the current object

Throws:

NoSuchElementException

isEmpty

public boolean isEmpty()

Description copied from interface: HistoryModel

Determines the model is empty.

Specified by:

isEmpty in interface HistoryModel

Returns:

true if the model is empty

hasNext

public boolean hasNext()

Description copied from interface: HistoryModel

Determines the model has next item.

Specified by:

hasNext in interface HistoryModel

Returns:

true if the model has next item

hasPrevious

public boolean hasPrevious()

Description copied from interface: HistoryModel

Determines the model has previous item.

Specified by:

hasPrevious in interface HistoryModel

Returns:

true if the model has previouse item

size

public int size()

Description copied from interface: HistoryModel

Returns the size of this model.

Specified by:

size in interface HistoryModel

Returns:

the size

get

public Object get(int index)
           throws IndexOutOfBoundsException

Description copied from interface: HistoryModel

Returns the item at the specified index.

Specified by:

get in interface HistoryModel

Parameters:

index - the index

Throws:

IndexOutOfBoundsException

add

public void add(Object o)

Description copied from interface: HistoryModel

Adds a item to this model. If the model contains such object, set the index to that object index. All next items will remove from this model and the o will become current item.

Specified by:

add in interface HistoryModel

getIndex

public int getIndex()

Description copied from interface: HistoryModel

Returns the index of current item.

Specified by:

getIndex in interface HistoryModel

Returns:

the index.

See Also:

HistoryModel.setIndex(int)

setIndex

public void setIndex(int index)
              throws IndexOutOfBoundsException

Description copied from interface: HistoryModel

Sets the current index to the specifed index.

Specified by:

setIndex in interface HistoryModel

Parameters:

index - the index

Throws:

IndexOutOfBoundsException

See Also:

HistoryModel.getIndex()

addChangeListener

public void addChangeListener(ChangeListener l)

Description copied from interface: HistoryModel

Adds the listener.

Specified by:

addChangeListener in interface HistoryModel

Parameters:

l - the listener

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: HistoryModel

Removes the listener.

Specified by:

removeChangeListener in interface HistoryModel

Parameters:

l - the listener

getChangeListeners

public ChangeListener[] getChangeListeners()

Returns an array of all the change listeners registered on this DefaultSingleSelectionModel.

Returns:

all of this model's ChangeListeners or an empty array if no change listeners are currently registered

See Also:

addChangeListener(javax.swing.event.ChangeListener), removeChangeListener(javax.swing.event.ChangeListener)

fireStateChanged

protected void fireStateChanged()

Notifies all listeners that have registered interest for notification on this event type. The event instance is created lazily.

See Also:

EventListenerList