Added basic support for CUI.

src/com/sk89q/worldedit/regions/CuboidRegionSelector.java

@@ -24,14 +24,17 @@ import java.util.List;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.cui.CUIPointBasedRegion;
+import com.sk89q.worldedit.cui.SelectionPointEvent;
 
 /**
  * Selector for cuboids.
  *
  * @author sk89q
  */
-public class CuboidRegionSelector implements RegionSelector {
+public class CuboidRegionSelector implements RegionSelector, CUIPointBasedRegion {
     protected BlockVector pos1;
     protected BlockVector pos2;
     protected CuboidRegion region = new CuboidRegion(new Vector(), new Vector());
@@ -54,22 +57,30 @@ public class CuboidRegionSelector implements RegionSelector {
         return true;
     }
 
-    public void explainPrimarySelection(LocalPlayer player, Vector pos) {
+    public void explainPrimarySelection(LocalPlayer player,
+            LocalSession session, Vector pos) {
         if (pos1 != null && pos2 != null) {
             player.print("First position set to " + pos1
                     + " (" + region.getArea() + ").");
         } else {
             player.print("First position set to " + pos1 + ".");
         }
+        
+        session.dispatchCUIEvent(player,
+                new SelectionPointEvent(0, pos, getArea()));
     }
 
-    public void explainSecondarySelection(LocalPlayer player, Vector pos) {
+    public void explainSecondarySelection(LocalPlayer player,
+            LocalSession session, Vector pos) {
         if (pos1 != null && pos2 != null) {
             player.print("Second position set to " + pos2
                     + " (" + region.getArea() + ").");
         } else {
             player.print("Second position set to " + pos2 + ".");
         }
+        
+        session.dispatchCUIEvent(player,
+                new SelectionPointEvent(1, pos, getArea()));
     }
     
     public BlockVector getPrimaryPosition() throws IncompleteRegionException {
@@ -119,4 +130,20 @@ public class CuboidRegionSelector implements RegionSelector {
         
         return lines;
     }
+
+    public String getTypeId() {
+        return "cuboid";
+    }
+
+    public Vector[] getCUIPoints() {
+        return new Vector[] { pos1, pos2 };
+    }
+
+    public int getArea() {
+        if (pos1 != null && pos2 != null) {
+            return region.getArea();
+        }
+        
+        return -1;
+    }
 }

src/com/sk89q/worldedit/regions/Polygonal2DRegionSelector.java

@@ -25,6 +25,7 @@ import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.BlockVector2D;
 import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.Vector;
 
 /**
@@ -66,11 +67,13 @@ public class Polygonal2DRegionSelector implements RegionSelector {
         return true;
     }
 
-    public void explainPrimarySelection(LocalPlayer player, Vector pos) {
+    public void explainPrimarySelection(LocalPlayer player,
+            LocalSession session, Vector pos) {
         player.print("Starting a new polygon at " + pos + ".");
     }
 
-    public void explainSecondarySelection(LocalPlayer player, Vector pos) {
+    public void explainSecondarySelection(LocalPlayer player,
+            LocalSession session, Vector pos) {
         player.print("Added point #" + region.size() + " at " + pos + ".");
     }
 
@@ -111,4 +114,12 @@ public class Polygonal2DRegionSelector implements RegionSelector {
         return lines;
     }
 
+    public String getTypeId() {
+        return "polygon2d";
+    }
+
+    public int getArea() {
+        return region.getArea();
+    }
+
 }

src/com/sk89q/worldedit/regions/RegionSelector.java

@@ -23,6 +23,7 @@ import java.util.List;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.Vector;
 
 /**
@@ -51,17 +52,21 @@ public interface RegionSelector {
      * Tell the player information about his/her primary selection.
      * 
      * @param player
+     * @param session 
      * @param pos 
      */
-    public void explainPrimarySelection(LocalPlayer player, Vector pos);
+    public void explainPrimarySelection(LocalPlayer player, 
+            LocalSession session, Vector pos);
 
     /**
      * Tell the player information about his/her secondary selection.
      * 
      * @param player
+     * @param session 
      * @param pos 
      */
-    public void explainSecondarySelection(LocalPlayer player, Vector pos);
+    public void explainSecondarySelection(LocalPlayer player,
+            LocalSession session, Vector pos);
     
     /**
      * Get the primary position.
@@ -86,6 +91,13 @@ public interface RegionSelector {
      */
     public boolean isDefined();
     
+    /**
+     * Get the number of blocks inside the region.
+     * 
+     * @return number of blocks or -1 if undefined
+     */
+    public int getArea();
+    
     /**
      * Update the selector with changes to the region.
      */
@@ -103,6 +115,13 @@ public interface RegionSelector {
      */
     public String getTypeName();
     
+    /**
+     * Get a lowecase space-less ID.
+     * 
+     * @return
+     */
+    public String getTypeId();
+    
     /**
      * Get lines of information about the selection.
      *