Update CraftBukkit to Minecraft 1.4(.2).

src/main/java/net/minecraft/server/ItemHanging.java

@@ -0,0 +1,61 @@
+package net.minecraft.server;
+
+// CraftBukkit start
+import org.bukkit.entity.Player;
+import org.bukkit.event.painting.PaintingPlaceEvent;
+// CraftBukkit end
+
+public class ItemHanging extends Item {
+
+    private final Class a;
+
+    public ItemHanging(int i, Class oclass) {
+        super(i);
+        this.a = oclass;
+        this.a(CreativeModeTab.c);
+    }
+
+    public boolean interactWith(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l, float f, float f1, float f2) {
+        if (l == 0) {
+            return false;
+        } else if (l == 1) {
+            return false;
+        } else {
+            int i1 = Direction.e[l];
+            EntityHanging entityhanging = this.a(world, i, j, k, i1);
+
+            if (!entityhuman.a(i, j, k, l, itemstack)) {
+                return false;
+            } else {
+                if (entityhanging != null && entityhanging.survives()) {
+                    if (!world.isStatic) {
+                        // CraftBukkit start
+                        if (entityhanging instanceof EntityPainting) {
+                            Player who = (entityhuman == null) ? null : (Player) entityhuman.getBukkitEntity();
+                            org.bukkit.block.Block blockClicked = world.getWorld().getBlockAt(i, j, k);
+                            org.bukkit.block.BlockFace blockFace = org.bukkit.craftbukkit.block.CraftBlock.notchToBlockFace(l);
+
+                            PaintingPlaceEvent event = new PaintingPlaceEvent((org.bukkit.entity.Painting) entityhanging.getBukkitEntity(), who, blockClicked, blockFace);
+                            world.getServer().getPluginManager().callEvent(event);
+
+                            if (event.isCancelled()) {
+                                return false;
+                            }
+                        }
+                        // CraftBukkit end
+
+                        world.addEntity(entityhanging);
+                    }
+
+                    --itemstack.count;
+                }
+
+                return true;
+            }
+        }
+    }
+
+    private EntityHanging a(World world, int i, int j, int k, int l) {
+        return (EntityHanging) (this.a == EntityPainting.class ? new EntityPainting(world, i, j, k, l) : (this.a == EntityItemFrame.class ? new EntityItemFrame(world, i, j, k, l) : null));
+    }
+}