us.daveread.basicquery

Class ReorderListModel<T>

java.lang.Object

us.daveread.basicquery.ReorderListModel<T>

Type Parameters:

T - Type of data being reordered

All Implemented Interfaces:

javax.swing.ListModel

public class ReorderListModel<T>
extends java.lang.Object
implements javax.swing.ListModel

Title: ReorderListModel

Description: ListModel with ability to reorder the list

Copyright: Copyright (c) 2004-2014, David Read

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Author:

David Read

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<T>	data List of objects that can be reordered
private java.util.List<javax.swing.event.ListDataListener>	listeners Listeners to notify if the list is reordered

Constructor Summary

Constructors

Constructor and Description
ReorderListModel(java.util.List<T> theData) Constructor takes a List prepopulated with information to be presented in the GUI list.

Method Summary

Methods

Modifier and Type	Method and Description
void	addListDataListener(javax.swing.event.ListDataListener l) Add a ListDataListener
T	getElementAt(int index) Get the object at the given position.
java.util.List<T>	getList() Get the list which backs this model.
int	getSize() Get the number of items in the list.
void	moveDown(int index) Move the object at the given position to the next higher position (next index value) in the list.
void	moveUp(int index) Move the object at the given position to the next lower position (previous index value) in the list.
private void	notifyListeners() Notify all registered listeners that the list has changed.
void	removeListDataListener(javax.swing.event.ListDataListener l) Remove a ListDataListener

Methods inherited from class java.lang.Object

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

Field Detail

data

private java.util.List<T> data

List of objects that can be reordered

listeners

private java.util.List<javax.swing.event.ListDataListener> listeners

Listeners to notify if the list is reordered

Constructor Detail

ReorderListModel

public ReorderListModel(java.util.List<T> theData)

Constructor takes a List prepopulated with information to be presented in the GUI list.

Parameters:

theData - List of objects to be represented in the GUI list.

Method Detail

getSize

public int getSize()

Get the number of items in the list.

Specified by:

getSize in interface javax.swing.ListModel

Returns:

int The number of items in the list.

getElementAt

public T getElementAt(int index)

Get the object at the given position.

Specified by:

getElementAt in interface javax.swing.ListModel

Parameters:

index - int The index in the list containing the object to be returned.

Returns:

Object

addListDataListener

public void addListDataListener(javax.swing.event.ListDataListener l)

Add a ListDataListener

Specified by:

addListDataListener in interface javax.swing.ListModel

Parameters:

l - ListDataListener listening for events on this instance

removeListDataListener

public void removeListDataListener(javax.swing.event.ListDataListener l)

Remove a ListDataListener

Specified by:

removeListDataListener in interface javax.swing.ListModel

Parameters:

l - ListDataListener The listener to be removed from the list of listeners being notified when the list changes.

moveUp

public void moveUp(int index)

Move the object at the given position to the next lower position (previous index value) in the list. If the item was at index 2 it should be moved to index 1 and the item at index 1 would now be at index 2.

Parameters:

index - int The index of the object to be moved up the list.

moveDown

public void moveDown(int index)

Move the object at the given position to the next higher position (next index value) in the list. If the item was at index 2 it should be moved to index 3 and the item at index 3 would now be at index 2.

Parameters:

index - int The index of the object to be moved down the list.

getList

public java.util.List<T> getList()

Get the list which backs this model.

Returns:

List The list backing the model.

notifyListeners

private void notifyListeners()

Notify all registered listeners that the list has changed.