| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.utiles.listManager;

import java.util.ResourceBundle;

import javax.swing.JButton;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

/**

 * Control de gesti?n de una lista

 *

 * @author Fernando Gonz?lez Cort?s

 */

public class ListManager {

    private JScrollPane jScrollPane = null;

    private JList list = null;

    private JButton btnAdd = null;

    private JButton btnDel = null;

    private JPanel jPanel = null;

    private JButton btnProperties = null;

    private JButton btnUp = null;

    private JButton btnDown = null;

    private ListModel listModel;// = new DefaultListModel();

    private ListManagerListener listener;

    private ResourceBundle bundle;

    /**

     * This is the default constructor

     * down==true if list is in order.

     */

    public ListManager(boolean down) {

        super();

        listModel = new DefaultListModel(down);

    }

    /**

     * This method initializes this

     */

    public void initialize() {

        actualizar();

    }

    /**

     * Obtiene la traducci?n de una palabra

     *

     * @param key Clave en el resource bundle

     *

     * @return valor de la clave

     */

    private String getText(String key) {

        if (bundle == null) {

            return key;

        }

        String ret = bundle.getString(key);

        if (ret == null) {

            ret = key;

        }

        return ret;

    }

    /**

     * Habilita/Deshabilita los botones

     */

    private void actualizar() {

        int index = list.getSelectedIndex();

        if (index != -1) {

            if (btnUp != null) {

                btnUp.setEnabled(index > 0);

            }

            if (btnDown != null) {

                btnDown.setEnabled(index < (listModel.getSize() - 1));

            }

            if (btnDel != null) {

                btnDel.setEnabled(true);

            }

            if (btnProperties != null) {

                btnProperties.setEnabled(listModel.getElementAt(index) instanceof Propertiable);

            }

        } else {

            if (btnUp != null) {

                btnUp.setEnabled(false);

            }

            if (btnDown != null) {

                btnDown.setEnabled(false);

            }

            if (btnDel != null) {

                btnDel.setEnabled(false);

            }

            if (btnProperties != null) {

                btnProperties.setEnabled(false);

            }

        }

    }

    /**

     * This method initializes list

     *

     * @param list DOCUMENT ME!

     */

    public void setList(JList list) {

        this.list = list;

        list.setModel(listModel);

        list.addListSelectionListener(new javax.swing.event.ListSelectionListener() {

                public void valueChanged(javax.swing.event.ListSelectionEvent e) {

                    actualizar();

                }

            });

    }

    /**

     * This method initializes btnAdd

     *

     * @param btn DOCUMENT ME!

     */

    public void setBtnAdd(JButton btn) {

        btnAdd = btn;

        btnAdd.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    Object[] objs = listener.addObjects();

                    for (int i = 0; i < objs.length; i++) {

                        listModel.add(objs[i]);

                    }

                    actualizar();

                }

            });

    }

    /**

     * This method initializes btnDel

     *

     * @param btn DOCUMENT ME!

     */

    public void setBtnDel(JButton btn) {

        btnDel = btn;

        btnDel.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    int i = list.getSelectedIndex();

                    listModel.remove(i);

                    if (i < listModel.getSize()) {

                        list.setSelectedIndex(i);

                    }

                    actualizar();

                }

            });

    }

    /**

     * This method initializes btnProperties

     *

     * @param btn DOCUMENT ME!

     */

    public void setBtnProperties(JButton btn) {

        btnProperties = btn;

        btnProperties.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    int index = list.getSelectedIndex();

                    Object prop = listener.getProperties(listModel.getElementAt(

                                index));

                    ((Propertiable) listModel.getElementAt(index)).setProperties(prop);

                    list.repaint();

                }

            });

    }

    /**

     * This method initializes btnUp

     *

     * @param btn DOCUMENT ME!

     */

    public void setBtnUp(JButton btn) {

        btnUp = btn;

        btnUp.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    int index = list.getSelectedIndex();

                    Object o1=listModel.getElementAt(index-1);

                    Object o2=listModel.getElementAt(index);

                    listModel.remove(index-1);

                    listModel.insertAt(index-1,o2);

                    listModel.remove(index);

                    listModel.insertAt(index,o1);

                    list.setSelectedIndex(index - 1);

                }

            });

    }

    /**

     * This method initializes btnDown

     *

     * @param btn DOCUMENT ME!

     */

    public void setBtnDown(JButton btn) {

        btnDown = btn;

        btnDown.addActionListener(new java.awt.event.ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                    int index = list.getSelectedIndex();

                    Object o = listModel.remove(index);

                    listModel.insertAt(index + 1, o);

                    list.setSelectedIndex(index + 1);

                }

            });

    }

    /**

     * Obtiene el listModel

     *

     * @return Returns the listModel.

     */

    public ListModel getListModel() {

        return listModel;

    }

    /**

     * Establece el listModel

     *

     * @param listModel The listModel to set.

     */

    public void setListModel(ListModel listModel) {

        this.listModel = listModel;

    }

    /**

     * Obtiene el listener de eventos del control

     *

     * @return Returns the listener.

     */

    public ListManagerListener getListener() {

        return listener;

    }

    /**

     * Establece el listener de eventos del control

     *

     * @param listener The listener to set.

     */

    public void setListener(ListManagerListener listener) {

        this.listener = listener;

    }

    /**

     * DOCUMENT ME!

     *

     * @param bundle The bundle to set.

     */

    public void setBundle(ResourceBundle bundle) {

        this.bundle = bundle;

    }

}