Added ImagePlaceEvent

src/main/java/de/craftlancer/imagemaps/ImageMaps.java

@@ -15,6 +15,7 @@ import java.util.logging.Level;
 
 import javax.imageio.ImageIO;
 
+import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
@@ -79,7 +80,7 @@ public class ImageMaps extends JavaPlugin implements Listener {
         placing.put(p.getUniqueId(), new PlacingCacheEntry(image, fastsend, scale));
     }
     
-    public boolean placeImage(Block block, BlockFace face, PlacingCacheEntry cache) {
+    public boolean placeImage(Player player, Block block, BlockFace face, PlacingCacheEntry cache) {
         int xMod = 0;
         int zMod = 0;
         
@@ -113,6 +114,11 @@ public class ImageMaps extends JavaPlugin implements Listener {
         int width = (int) Math.ceil((double) image.getWidth() / (double) MAP_WIDTH * cache.getScale() - 0.0001);
         int height = (int) Math.ceil((double) image.getHeight() / (double) MAP_HEIGHT  * cache.getScale() - 0.0001);
         
+        ImagePlaceEvent event = new ImagePlaceEvent(player, block, face, width, height, cache);
+        Bukkit.getPluginManager().callEvent(event);
+        if(event.isCancelled()) 
+            return false;
+        
         for (int x = 0; x < width; x++)
             for (int y = 0; y < height; y++) {
                 if (!block.getRelative(x * xMod, -y, x * zMod).getType().isSolid())
@@ -151,7 +157,7 @@ public class ImageMaps extends JavaPlugin implements Listener {
         if (e.getAction() != Action.RIGHT_CLICK_BLOCK)
             return;
         
-        if (!placeImage(e.getClickedBlock(), e.getBlockFace(), placing.get(e.getPlayer().getUniqueId())))
+        if (!placeImage(e.getPlayer(), e.getClickedBlock(), e.getBlockFace(), placing.get(e.getPlayer().getUniqueId())))
             e.getPlayer().sendMessage(ChatColor.RED + "Can't place the image here!\nMake sure the area is large enough, unobstructed and without pre-existing hanging entities.");
         else
             saveMaps();

src/main/java/de/craftlancer/imagemaps/ImagePlaceEvent.java

@@ -0,0 +1,74 @@
+package de.craftlancer.imagemaps;
+
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public class ImagePlaceEvent extends Event implements Cancellable {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private final Player player;
+    private final Block block;
+    private final BlockFace face;
+    private final int width;
+    private final int height;
+    private final PlacingCacheEntry cache;
+    
+    private boolean cancelled;
+    
+    public ImagePlaceEvent(Player player, Block block, BlockFace face, int width, int height, PlacingCacheEntry cache) {
+        this.player = player;
+        this.block = block;
+        this.face = face;
+        this.width = width;
+        this.height = height;
+        this.cache = cache;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+    
+    public Block getBlock() {
+        return block;
+    }
+    
+    public BlockFace getFace() {
+        return face;
+    }
+    
+    public int getWidth() {
+        return width;
+    }
+    
+    public int getHeight() {
+        return height;
+    }
+    
+    public PlacingCacheEntry getCacheEntry() {
+        return cache;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+    
+    @Override
+    public HandlerList getHandlers() {
+        return getHandlerList();
+    }
+    
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}

src/main/java/de/craftlancer/imagemaps/PlacingCacheEntry.java

@@ -2,9 +2,9 @@ package de.craftlancer.imagemaps;
 
 public class PlacingCacheEntry
 {
-    private String image;
-    private boolean fastsend;
-    private double scale;
+    private final String image;
+    private final boolean fastsend;
+    private final double scale;
     
     public PlacingCacheEntry(String image, boolean fastsend, double scale)
     {