Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.geodb.vectorialdb.wizard;

import java.awt.Component;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.util.ArrayList;

import javax.swing.JList;

import javax.swing.ListCellRenderer;

import javax.swing.ListSelectionModel;

import javax.swing.UIManager;

import javax.swing.border.Border;

import javax.swing.border.EmptyBorder;

/**

 * Utility class to keep the list of available fields.

 *

 * @author jldominguez

 *

 */

public class AvailableFieldsCheckBoxList extends JList {

    protected static Border noFocusBorder = new EmptyBorder(1, 1, 1, 1);

    public AvailableFieldsCheckBoxList() {

        setCellRenderer(new CellRenderer());

        addMouseListener(new MouseAdapter() {

                public void mousePressed(MouseEvent e) {

                    int index = locationToIndex(e.getPoint());

                    if (index == -1) {

                        return;

                    }

                    FieldsListItem sel = (FieldsListItem) getModel()

                                                              .getElementAt(index);

                    if ((e.getClickCount() == 2) || (e.getX() < 15)) {

                        sel.setSelected(!sel.isSelected());

                    }

                }

            });

        setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

    }

    public Object[] getCheckedItems() {

        int size = getModel().getSize();

        ArrayList resp = new ArrayList();

        for (int i = 0; i < size; i++) {

            FieldsListItem item = (FieldsListItem) getModel().getElementAt(i);

            if (item.isSelected()) {

                resp.add(item);

            }

        }

        return resp.toArray();

    }

    public void checkAll(boolean b) {

        int size = getModel().getSize();

        for (int i = 0; i < size; i++) {

            FieldsListItem item = (FieldsListItem) getModel().getElementAt(i);

            item.setSelected(b);

        }

        updateUI();

    }

    protected class CellRenderer implements ListCellRenderer {

        public Component getListCellRendererComponent(JList list, Object value,

            int index, boolean isSelected, boolean cellHasFocus) {

            FieldsListItem checkbox = (FieldsListItem) value;

            checkbox.setBackground(isSelected ? getSelectionBackground()

                                              : getBackground());

            checkbox.setForeground(isSelected ? getSelectionForeground()

                                              : getForeground());

            checkbox.setEnabled(isEnabled());

            checkbox.setFont(getFont());

            checkbox.setFocusPainted(false);

            checkbox.setBorderPainted(true);

            checkbox.setBorder(isSelected

                ? UIManager.getBorder("List.focusCellHighlightBorder")

                : noFocusBorder);

            return checkbox;

        }

    }

}