/*
    Connect four - written in java
    Copyright (C) 2020 Oliver Schappacher and Dorian Zedler

    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, see <http://www.gnu.org/licenses/>.
*/

package de.itsblue.ConnectFour;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
 * Button row is a class meant for usage with de.itsblue.ConnectFour. It is a
 * row contining a given umber of buttons.
 * 
 * @author Oliver Schappacher
 * @author Dorian Zedler
 */
public class ButtonRow extends JPanel {

    /**
     *
     */
    private static final long serialVersionUID = 1L;

    /**
     * Array that sores all buttons in the row
     */
    private PlateInsertButton inputButtons[];

    /**
     * The number of buttons in the row
     */
    private int buttonCount = 0;

    /**
     * Constructor
     * 
     * @param buttonCount The number of buttons to create
     */
    ButtonRow(int buttonCount) {
        // configure basic values
        this.buttonCount = buttonCount;
        this.inputButtons = new PlateInsertButton[buttonCount];

        // configure the layout
        this.setLayout(new GridLayout(1, 7));

        // insert all the buttons
        for (int i = 0; i < this.buttonCount; i++) {
            this.inputButtons[i] = new PlateInsertButton(i);
            this.inputButtons[i].setText("" + i);
            this.add(this.inputButtons[i]);
        }
    }

    /**
     * Function to add an ActionListener to all contained buttons
     * 
     * @param listener
     */
    public void addActionListenerToButtons(ActionListener listener) {
        for (int i = 0; i < this.buttonCount; i++) {
            this.inputButtons[i].addActionListener(listener);
        }
    }

    /**
     * Function to remove an ActionListener from all contained buttons
     * 
     * @param listener
     */
    public void removeActionListemerFromButtons(ActionListener listener) {
        for (int i = 0; i < this.buttonCount; i++) {
            this.inputButtons[i].removeActionListener(listener);
        }
    }

    /**
     * Function to change the color of all buttons
     * 
     * @param color color to change to
     */
    public void setColor(Color color) {
        for (PlateInsertButton plateInsertButton : inputButtons) {
            plateInsertButton.setBackground(color);
        }
    }

    /**
     * Override the paint function in order to adjust the button size when rescaling
     */
    @Override
    public void paint(Graphics g) {
        Dimension size = this.getSize();

        for (int i = 0; i < this.buttonCount; i++) {
            this.inputButtons[i].setPreferredSize(new Dimension(size.width / this.buttonCount, size.height));
        }

        super.paint(g);
    }

    @Override
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);

        for (int i = 0; i < this.buttonCount; i++) {
            this.inputButtons[i].setEnabled(enabled);
        }
    }
}