/*
 * ComboSelectionBox.java
 * Copyright 2008 Connor Petty <cpmeister@users.sourceforge.net>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Created on Jul 22, 2008, 4:58:45 PM
 */
package pcgen.gui2.util;

import java.awt.BorderLayout;
import java.awt.ItemSelectable;
import java.awt.event.ActionEvent;
import java.awt.event.ItemListener;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.MutableComboBoxModel;
import javax.swing.SwingUtilities;

/**
 *
 * @author Connor Petty <cpmeister@users.sourceforge.net>
 */
public class ComboSelectionBox extends JPanel implements ItemSelectable
{

    private static final long serialVersionUID = 4240590146578106112L;
    private ComboSelectionDialog dialog;
    private MutableComboBoxModel model;
    private JComboBox comboBox;
    private JButton button;

    public ComboSelectionBox()
    {
        super(new BorderLayout());
        initComponents();
    }

    private void initComponents()
    {
        comboBox = new JComboBox();

        setBorder(comboBox.getBorder());
        comboBox.setBorder(BorderFactory.createEmptyBorder());

        button = new JButton(new ButtonAction());
        button.setEnabled(false);
        button.setMargin(new java.awt.Insets(0, 0, 0, 0));

        add(comboBox, BorderLayout.CENTER);
        add(button, BorderLayout.LINE_END);
    }

    private void checkButton()
    {
        if (dialog != null && model != null)
        {
            dialog.setModel(model);
            button.setEnabled(true);
        }
        else
        {
            button.setEnabled(false);
        }
    }

    @Override
    public void setEnabled(boolean enabled)
    {
        super.setEnabled(enabled);
        comboBox.setEnabled(enabled);
        if (enabled)
        {
            checkButton();
        }
        else
        {
            button.setEnabled(false);
        }
    }

    public void setModel(MutableComboBoxModel model)
    {
        this.model = model;
        comboBox.setModel(model);
        checkButton();
    }

    public void setDialog(ComboSelectionDialog dialog)
    {
        this.dialog = dialog;
        checkButton();
    }

    public Object getSelectedItem()
    {
        return comboBox.getSelectedItem();
    }

	@Override
    public Object[] getSelectedObjects()
    {
        return comboBox.getSelectedObjects();
    }

	@Override
    public void addItemListener(ItemListener l)
    {
        comboBox.addItemListener(l);
    }

	@Override
    public void removeItemListener(ItemListener l)
    {
        comboBox.removeItemListener(l);
    }

    private class ButtonAction extends AbstractAction
    {

        public ButtonAction()
        {
            super("...");
        }

    	@Override
        public void actionPerformed(ActionEvent e)
        {

            SwingUtilities.invokeLater(
                    new Runnable()
                    {

                    	@Override
                        public void run()
                        {
                            dialog.display();
                        }

                    });
        }

    }
}