/**
 *
 * Copyright (c) 2009-2016 Freedomotic team http://freedomotic.com
 *
 * This file is part of Freedomotic
 *
 * 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, 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
 * Freedomotic; see the file COPYING. If not, see
 * <http://www.gnu.org/licenses/>.
 */
package com.freedomotic.jfrontend.utils;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.text.NumberFormat;
import javax.swing.JFormattedTextField;
import javax.swing.JPopupMenu;
import javax.swing.JSlider;
import com.freedomotic.behaviors.RangedIntBehaviorLogic;

/**
 *
 * @author Mauro Cicolella
 */
@SuppressWarnings("serial")
public class SliderPopup extends JPopupMenu implements ActionListener,
        PropertyChangeListener, MouseListener {

    private JSlider slider;
    private transient RangedIntBehaviorLogic rib;
    private JFormattedTextField txtValue;

    /**
     *
     * @param slider
     * @param rib
     */
    public SliderPopup(JSlider slider, RangedIntBehaviorLogic rib) {
        super();
        this.slider = slider;
        this.rib = rib;

        txtValue = new JFormattedTextField(NumberFormat.getInstance());
        txtValue.setColumns(10);
        txtValue.addActionListener(this);
        add(txtValue);
        addPropertyChangeListener("visible", this);
    }

    /**
     *
     * @param val
     */
    public void setValue(int val) {
        txtValue.setValue((double) val / rib.getScale());
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        // we got a number, convert to scale
        int val = (int) (((Number) txtValue.getValue()).doubleValue() * rib
                .getScale());
        // set slider value; slider and filterParams will take care of checks
        slider.setValue(val);
        setVisible(false);
    }

    @Override
    public void propertyChange(PropertyChangeEvent evt) {
        // when it becomes visible, set cursor on the textbox
        if (evt.getNewValue().equals(true)) {
            txtValue.requestFocus();
        }
    }

    @Override
    public void mouseClicked(MouseEvent e) {
        checkIfPopup(e);
    }

    @Override
    public void mousePressed(MouseEvent e) {
        checkIfPopup(e);
    }

    @Override
    public void mouseReleased(MouseEvent e) {
        checkIfPopup(e);
    }

    @Override
    public void mouseEntered(MouseEvent e) {
        //do nothing
    }

    @Override
    public void mouseExited(MouseEvent e) {
        // do nothing 
    }

    private void checkIfPopup(MouseEvent e) {
        if (e.isPopupTrigger()) {
            if (slider.isEnabled()) {
                setValue(slider.getValue());
                show(slider, e.getX(), e.getY());
            }
        }
    }
}
