Added permission checks for tools on /use/, so now if you switch world or lose your permissions, you lose your tools.

src/main/java/com/sk89q/worldedit/tools/AreaPickaxe.java

@@ -36,6 +36,10 @@ public class AreaPickaxe implements BlockTool {
         this.range = range;
     }
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.superpickaxe.area");
+    }
+    
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         LocalWorld world = clicked.getWorld();

src/main/java/com/sk89q/worldedit/tools/BlockDataCyler.java

@@ -29,6 +29,10 @@ import com.sk89q.worldedit.blocks.BlockID;
  */
 public class BlockDataCyler implements DoubleActionBlockTool {
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.tool.data-cycler");
+    }
+    
     private boolean handleCycle(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked, boolean forward) {
         

src/main/java/com/sk89q/worldedit/tools/BlockReplacer.java

@@ -36,6 +36,10 @@ public class BlockReplacer implements DoubleActionBlockTool {
         this.targetBlock = targetBlock;
     }
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.tool.replacer");
+    }
+    
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
 

src/main/java/com/sk89q/worldedit/tools/BrushTool.java

@@ -39,6 +39,27 @@ public class BrushTool implements TraceTool {
     private Brush brush = new SphereBrush();
     private Pattern material = new SingleBlockPattern(new BaseBlock(BlockID.COBBLESTONE));
     private int size = 1;
+    private String permission;
+    
+    /**
+     * Construct the tool.
+     * 
+     * @param permission
+     */
+    public BrushTool(String permission) {
+        this.permission = permission;
+    }
+    
+    /**
+     * Checks to see if the player can still be using this tool (considering
+     * permissions and such).
+     * 
+     * @param player
+     * @return
+     */
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission(permission);
+    }
     
     /**
      * Get the filter.
@@ -63,8 +84,9 @@ public class BrushTool implements TraceTool {
      * 
      * @param brush
      */
-    public void setBrush(Brush brush) {
+    public void setBrush(Brush brush, String perm) {
         this.brush = brush;
+        this.permission = perm;
     }
     
     /**

src/main/java/com/sk89q/worldedit/tools/QueryTool.java

@@ -28,6 +28,10 @@ import com.sk89q.worldedit.blocks.*;
  * @author sk89q
  */
 public class QueryTool implements BlockTool {
+    
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.tool.info");
+    }
 
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {

src/main/java/com/sk89q/worldedit/tools/RecursivePickaxe.java

@@ -39,6 +39,10 @@ public class RecursivePickaxe implements BlockTool {
         this.range = range;
     }
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.superpickaxe.recursive");
+    }
+    
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         LocalWorld world = clicked.getWorld();

src/main/java/com/sk89q/worldedit/tools/SinglePickaxe.java

@@ -29,6 +29,10 @@ import com.sk89q.worldedit.blocks.BlockID;
  */
 public class SinglePickaxe implements BlockTool {
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.superpickaxe");
+    }
+    
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         LocalWorld world = clicked.getWorld();

src/main/java/com/sk89q/worldedit/tools/Tool.java

@@ -19,6 +19,8 @@
 
 package com.sk89q.worldedit.tools;
 
+import com.sk89q.worldedit.LocalPlayer;
+
 /**
  * Represents a tool. This interface alone defines nothing. A tool also
  * has to implement <code>BlockTool</code> or <code>TraceTool</code>.
@@ -26,4 +28,14 @@ package com.sk89q.worldedit.tools;
  * @author sk89q
  */
 public abstract interface Tool {
+    
+    /**
+     * Checks to see if the player can still be using this tool (considering
+     * permissions and such).
+     * 
+     * @param player
+     * @return
+     */
+    public boolean canUse(LocalPlayer player);
+    
 }

src/main/java/com/sk89q/worldedit/tools/TreePlanter.java

@@ -34,6 +34,10 @@ public class TreePlanter implements BlockTool {
         this.gen = gen;
     }
     
+    public boolean canUse(LocalPlayer player) {
+        return player.hasPermission("worldedit.tool.tree");
+    }
+    
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {