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/*
 * @(#)MidiParameterControlSpinner.java beta8   2006/04/23
 *
 * Copyright (C) 2008    Adam King (adamjking@optusnet.com.au)
 *
 * This application 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 application 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 application; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


package org.midibox.midi.gui;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Observable;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.midibox.midi.MidiParameterControl;
import org.midibox.utils.gui.FontLoader;

public class MidiParameterControlSpinner extends MidiParameterControlGUI
        implements ChangeListener {

    private JSpinner spinner;

    public MidiParameterControlSpinner(MidiParameterControl midiParameter,
            JSpinner spinner, String name) {
        super(midiParameter, true, BorderLayout.NORTH, false, false);
        this.spinner = spinner;
        midiParameterLabel.setText(name);
        JPanel panel = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0));
        panel.setOpaque(false);
        panel.add(spinner);
        add(panel, BorderLayout.CENTER);
        spinner.addChangeListener(this);
        spinner.setFont(FontLoader.getFont("uni05_53.ttf", 8f));
        spinner.addMouseListener(this);
        updateGraphics();
    }

    public void stateChanged(ChangeEvent ce) {
        if (update) {
            update = false;
            midiParameter
                    .setMidiValue(
                            (int) (((float) ((Integer) spinner.getModel()
                                    .getValue()).intValue() / (float) ((Integer) ((SpinnerNumberModel) spinner
                                    .getModel()).getMaximum()).intValue()) * (float) midiParameter
                                    .getMidiMaxValue()), true);
            update = true;
        }
    }

    protected JPopupMenu createPopMenu() {
        JPopupMenu popup = new JPopupMenu();

        final JCheckBoxMenuItem channelMenuItem = new JCheckBoxMenuItem(
                "Global Channel", (midiParameter.isGlobal()));
        channelMenuItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                midiParameter.setGlobal(channelMenuItem.isSelected());
            }
        });

        popup.add(channelMenuItem);

        for (int i = 0; i < 16; i++) {
            JCheckBoxMenuItem channelItem = new JCheckBoxMenuItem("Channel "
                    + (i + 1), (midiParameter.getMidiChannel() == i));
            channelItem.setEnabled(!midiParameter.isGlobal());
            popup.add(channelItem);

            final int channelNo = i;

            channelItem.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent ae) {
                    midiParameter.setMidiChannel(channelNo);
                }
            });
        }
        return popup;
    }

    public void updateGraphics() {
        super.updateGraphics();
        if (update) {
            update = false;
            spinner
                    .setValue(new Integer(
                            (int) ((((float) midiParameter.getMidiValue() / (float) midiParameter
                                    .getMidiMaxValue())) * (float) (((Integer) ((SpinnerNumberModel) spinner
                                    .getModel()).getMaximum()).intValue()))));
            update = true;
        }
    }

    public void update(Observable observable, Object object) {

    }
}