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      1 package com.badlogic.gdx.tools.flame;
      2 
      3 import java.awt.Color;
      4 import java.awt.Graphics;
      5 import java.awt.Rectangle;
      6 import java.awt.event.MouseAdapter;
      7 import java.awt.event.MouseEvent;
      8 
      9 import com.badlogic.gdx.graphics.Texture;
     10 import com.badlogic.gdx.graphics.g2d.TextureRegion;
     11 import com.badlogic.gdx.graphics.glutils.FileTextureData;
     12 import com.badlogic.gdx.utils.Array;
     13 
     14 /** @author Inferno */
     15 public class TexturePanel extends ImagePanel {
     16 	private Color 	selectedColor = Color.GREEN,
     17 						unselectedColor = Color.BLUE,
     18 						indexBackgroundColor = Color.BLACK,
     19 						indexColor = Color.WHITE;
     20 	Array<TextureRegion> selectedRegions;
     21 	Array<TextureRegion> unselectedRegions;
     22 	Texture texture;
     23 
     24 	public TexturePanel(){
     25 		selectedRegions = new Array<TextureRegion>();
     26 		unselectedRegions = new Array<TextureRegion>();
     27 
     28 		addMouseListener(new MouseAdapter() {
     29 			public void mouseClicked (MouseEvent event) {
     30 				float x = event.getX(), y = event.getY();
     31 				for(TextureRegion region : unselectedRegions){
     32 					if(isInsideRegion(region, x, y)){
     33 						select(region);
     34 						return;
     35 					}
     36 				}
     37 
     38 				for(TextureRegion region : selectedRegions){
     39 					if(isInsideRegion(region, x, y)){
     40 						unselect(region);
     41 						return;
     42 					}
     43 				}
     44 			}
     45 		});
     46 	}
     47 
     48 	protected boolean isInsideRegion (TextureRegion region, float x, float y) {
     49 		float rx = region.getRegionX(), ry = region.getRegionY();
     50 		return 	rx <= x && x <= rx +region.getRegionWidth() &&
     51 					ry <= y && y <= ry +region.getRegionHeight();
     52 	}
     53 
     54 	public TexturePanel(Texture texture, Array<TextureRegion> regions){
     55 		this();
     56 		setTexture(texture);
     57 		setRegions(regions);
     58 	}
     59 
     60 	public void setTexture(Texture texture){
     61 		if(this.texture == texture) return;
     62 		this.texture = texture;
     63 		FileTextureData data = (FileTextureData)texture.getTextureData();
     64 		setImage(data.getFileHandle().file().getAbsolutePath());
     65 	}
     66 
     67 	public Texture getTexture(){
     68 		return texture;
     69 	}
     70 
     71 	public void clear(){
     72 		selectedRegions.clear();
     73 		unselectedRegions.clear();
     74 	}
     75 
     76 	public void clearSelection(){
     77 		unselectedRegions.addAll(selectedRegions);
     78 		selectedRegions.clear();
     79 		repaint();
     80 	}
     81 
     82 	public void setRegions(Array<TextureRegion> regions){
     83 		unselectedRegions.clear();
     84 		selectedRegions.clear();
     85 		unselectedRegions.addAll(regions);
     86 	}
     87 
     88 	private void swap(TextureRegion region, Array<TextureRegion> src, Array<TextureRegion> dst)
     89 	{
     90 		int index = src.indexOf(region, true);
     91 		if(index > -1){
     92 			src.removeIndex(index);
     93 			dst.add(region);
     94 			repaint();
     95 		}
     96 	}
     97 
     98 	public void select(TextureRegion region){
     99 		swap(region, unselectedRegions, selectedRegions);
    100 	}
    101 
    102 	public void unselect(TextureRegion region){
    103 		swap(region, selectedRegions, unselectedRegions);
    104 	}
    105 
    106 	public void selectAll () {
    107 		selectedRegions.addAll(unselectedRegions);
    108 		unselectedRegions.clear();
    109 		repaint();
    110 	}
    111 
    112 
    113 	@Override
    114 	protected void paintComponent (Graphics g) {
    115 		super.paintComponent(g);
    116 		draw(g, unselectedRegions, unselectedColor, false);
    117 		draw(g, selectedRegions, selectedColor, true);
    118 	}
    119 
    120 	private void draw (Graphics g, Array<TextureRegion> regions, Color color, boolean drawIndex) {
    121 		int i=0;
    122 		for(TextureRegion region : regions){
    123 			int x = region.getRegionX(), y = region.getRegionY(),
    124 				h = region.getRegionHeight();
    125 			if(drawIndex){
    126 				String indexString = ""+i;
    127 				Rectangle bounds = g.getFontMetrics().getStringBounds(indexString, g).getBounds();
    128 				g.setColor(indexBackgroundColor);
    129 				g.fillRect(x, y+h-bounds.height, bounds.width, bounds.height);
    130 				g.setColor(indexColor);
    131 				g.drawString(indexString, x, y+h);
    132 				++i;
    133 			}
    134 			g.setColor(color);
    135 			g.drawRect(x, y, region.getRegionWidth(), h);
    136 		}
    137 	}
    138 }
    139