BackgroundSelector.java

package com.drawbridge.utils;

import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class BackgroundSelector extends JPanel
{

	private static final long	serialVersionUID	= 2508763575828692733L;
	private final static Dimension panelSize = new Dimension(200, 300);
	private final static Dimension thumbSize = new Dimension(50, 50);
	private final static int gridWidth = 3;
	private final static int gridHeight = 4;
	
	private JLabel [] [] images;
	
	public BackgroundSelector(final BackgroundSelectorListener listener){
		this.setSize(panelSize);
		this.setLayout(new GridBagLayout());
		GridBagConstraints c = new GridBagConstraints();
		images = new JLabel[gridWidth][gridHeight];
		c.insets = new Insets(2, 2, 2, 2);
		
		//Load in 12 images from backgrounds folder
		for(int i = 0; i < images.length; i++){
			for(int j = 0; j < images[i].length; j++){
				final int fileIndex = (gridHeight * i) + j + 1;
				c.gridx = i;
				c.gridy = j;
				BufferedImage img = GraphicUtils.loadImageFromResource("/Backgrounds/" + fileIndex + ".jpg");
				Image dimg = img.getScaledInstance(thumbSize.width, thumbSize.height, Image.SCALE_SMOOTH);
				images[i][j] = new JLabel(new ImageIcon(dimg));
				this.add(images[i][j], c);
				Utils.out.println(getClass(), "doing image:" + fileIndex + " from:" + i + ", " + j);
				images[i][j].addMouseListener(new MouseAdapter(){

					@Override
					public void mousePressed(MouseEvent e)
					{
						if(listener != null)
							listener.onBackgroundChangeRequest("/Backgrounds/" + fileIndex + ".jpg");
					}
					
				});
			}
		}
		


	}
	
	public interface BackgroundSelectorListener{
		public void onBackgroundChangeRequest(String relativeLocation);
	}
	
	
	
}