source: winedb/src/gamegui/Button.java

package gamegui;

import java.awt.*;
import java.awt.image.*;

public class Button extends Member
{
        private String text;
        public Color color;
        private Font font;
        private BufferedImage img;
        private Align alignment;
        boolean border;
        
        public Button(String newName, int newX, int newY, int newWidth, int newHeight, String newText, Font newFont)
        {
                super(newName, newX, newY, newWidth, newHeight);
                
                text = newText;
                color = Color.green;
                font = newFont;
                img = null;
                alignment = Align.Left;
                border = true;
        }
        
        public Button(String newName, int newX, int newY, int newWidth, int newHeight, String newText, Font newFont, Color color)
        {
                super(newName, newX, newY, newWidth, newHeight);
                
                text = newText;
                this.color = color;
                font = newFont;
                img = null;
                alignment = Align.Left;
                border = true;
        }
        
        public Button(String newName, int newX, int newY, int newWidth, int newHeight, String newText, Font newFont, Color color, boolean border)
        {
                super(newName, newX, newY, newWidth, newHeight);
                
                text = newText;
                this.color = color;
                font = newFont;
                img = null;
                alignment = Align.Left;
                this.border = border;
        }
        
        public Button(String newName, int newX, int newY, int newWidth, int newHeight, String newText, Font newFont, Align alignment)
        {
                super(newName, newX, newY, newWidth, newHeight);
                
                text = newText;
                color = Color.green;
                font = newFont;
                img = null;
                this.alignment = alignment;
                border = true;
        }
        
        public Button(String newName, int newX, int newY, int newWidth, int newHeight, BufferedImage img)
        {
                super(newName, newX, newY, newWidth, newHeight);
                
                text = "";
                font = null;
                this.img = img;
                alignment = Align.Left;
                border = false;
        }
        
        public void setImage(BufferedImage img) {
                this.img = img;
        }
        
        public void draw(Graphics g) {
                if(img == null) {
                        FontMetrics metrics = g.getFontMetrics(font);
                        
                        if(border) {
                                g.setColor(Color.red);
                                g.drawRect(getX(), getY(), getWidth(), getHeight());
                        }
                        
                        g.setColor(color);
                        g.setFont(font);
                        
                        switch(alignment) {
                        case Center:
                                g.drawString(text, getX() + (getWidth() - metrics.stringWidth(text))/2, getY() + (getHeight() + metrics.getHeight())/2 - 2);
                                break;
                        case Right:
                                g.drawString(text, getX() + getWidth() - metrics.stringWidth(text), getY() + (getHeight() + metrics.getHeight())/2 - 2);
                                break;
                        case Left:
                                g.drawString(text, getX(), getY() + (getHeight() + metrics.getHeight())/2 - 2);
                                break;
                        }
                }else
                        g.drawImage(img, getX() + (getWidth() - img.getWidth(null))/2, getY() + (getHeight() - img.getHeight(null))/2 - 2, null);
        } 
}