Fix tab completeion ignoring the old non-location tab complete

Closes GH-28

Spigot-API-Patches/0015-Add-Location-support-to-tab-completers-vanilla-featu.patch

@@ -1,4 +1,4 @@
-From 2e148b75463f007fbfd5c9d19bb2c0dbf5658aa3 Mon Sep 17 00:00:00 2001
+From 5866613ee6d1fdcdf75c97983d6f28e6cf1e2342 Mon Sep 17 00:00:00 2001
 From: DemonWav <demonwav@gmail.com>
 Date: Sat, 30 Jan 2016 18:58:09 -0600
 Subject: [PATCH] Add Location support to tab completers (vanilla feature
@@ -6,7 +6,7 @@ Subject: [PATCH] Add Location support to tab completers (vanilla feature
 
 
 diff --git a/src/main/java/org/bukkit/command/Command.java b/src/main/java/org/bukkit/command/Command.java
-index 548d570..c5b2e34 100644
+index 548d570..3d0c5a5 100644
 --- a/src/main/java/org/bukkit/command/Command.java
 +++ b/src/main/java/org/bukkit/command/Command.java
 @@ -8,6 +8,7 @@ import java.util.Set;
@@ -17,22 +17,10 @@ index 548d570..c5b2e34 100644
  import org.bukkit.Server;
  import org.bukkit.entity.Player;
  import org.bukkit.entity.minecart.CommandMinecart;
-@@ -85,6 +86,42 @@ public abstract class Command {
-      * @throws IllegalArgumentException if sender, alias, or args is null
-      */
-     public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
-+        // PaperSpigot - location tab-completes
-+        /*
-+            To prevent infinite recursion, this implementation has been moved down to
-+            tabCompleteImpl(CommandSender sender, String alias, String[] args). The infinite recursion happens when
-+            a subclass calls super.tabComplete(CommandSender sender, String alias, String[] args, Location location),
-+            which would end up calling tabComplete(CommandSender sender, String alias, String[] args), but rather than
-+            this method, it would call the overridden method, which would call super.tabComplete again, etc. To prevent
-+            this we move the actual main logic to a separate private method.
-+         */
-+        return tabCompleteImpl(sender, alias, args);
-+    }
-+
+@@ -109,6 +110,31 @@ public abstract class Command {
+         return matchedPlayers;
+     }
+ 
 +    // PaperSpigot start - location tab-completes
 +    /**
 +     * Executed on tab completion for this command, returning a list of options the player can tab through. This method
@@ -53,33 +41,32 @@ index 548d570..c5b2e34 100644
 +     */
 +    public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
 +        // Simply default to the standard tab-complete, subclasses can override this if needed
-+        return tabCompleteImpl(sender, alias, args);
++        System.out.println("wat");
++        return tabComplete(sender, alias, args);
 +    }
-+
-+    private List<String> tabCompleteImpl(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
-         Validate.notNull(sender, "Sender cannot be null");
-         Validate.notNull(args, "Arguments cannot be null");
-         Validate.notNull(alias, "Alias cannot be null");
-@@ -108,6 +145,7 @@ public abstract class Command {
-         Collections.sort(matchedPlayers, String.CASE_INSENSITIVE_ORDER);
-         return matchedPlayers;
-     }
 +    // PaperSpigot end
- 
++
      /**
       * Returns the name of this command
+      *
 diff --git a/src/main/java/org/bukkit/command/PluginCommand.java b/src/main/java/org/bukkit/command/PluginCommand.java
-index 3bfa31f..e3f8295 100644
+index 3bfa31f..597d7c2 100644
 --- a/src/main/java/org/bukkit/command/PluginCommand.java
 +++ b/src/main/java/org/bukkit/command/PluginCommand.java
-@@ -3,6 +3,7 @@ package org.bukkit.command;
- import java.util.List;
+@@ -1,10 +1,11 @@
+ package org.bukkit.command;
  
+-import java.util.List;
+-
  import org.apache.commons.lang.Validate;
 +import org.bukkit.Location;
  import org.bukkit.plugin.Plugin;
  
++import java.util.List;
++
  /**
+  * Represents a {@link Command} belonging to a plugin
+  */
 @@ -122,6 +123,15 @@ public final class PluginCommand extends Command implements PluginIdentifiableCo
       */
      @Override
@@ -88,8 +75,8 @@ index 3bfa31f..e3f8295 100644
 +    }
 +
 +    // PaperSpigot start - location tab-completes
-+    /*
-+        this code was copied, except for the noted changes, from tabComplete(CommandSender sender, String alias, String[] args)
++    /**
++     * This code was copied from tabComplete(CommandSender sender, String alias, String[] args)
 +     */
 +    @Override
 +    public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws CommandException, IllegalArgumentException {
@@ -109,12 +96,7 @@ index 3bfa31f..e3f8295 100644
              }
          } catch (Throwable ex) {
              StringBuilder message = new StringBuilder();
-@@ -145,10 +155,11 @@ public final class PluginCommand extends Command implements PluginIdentifiableCo
-         }
- 
-         if (completions == null) {
--            return super.tabComplete(sender, alias, args);
-+            return super.tabComplete(sender, alias, args, location); // PaperSpigot - add location argument
+@@ -149,6 +159,7 @@ public final class PluginCommand extends Command implements PluginIdentifiableCo
          }
          return completions;
      }
@@ -189,5 +171,5 @@ index 6d61e3a..2cb971c 100644
 +    // PaperSpigot end
  }
 -- 
-2.7.0
+2.7.1