Add tabcomplete to transfer. Closes #77

Finally complete the tab complete on the transfer, fully completes
everything up until now.

src/main/java/com/graywolf336/jail/Util.java

@@ -3,6 +3,8 @@ package com.graywolf336.jail;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
@@ -300,6 +302,23 @@ public class Util {
     public static String[] getSignLines() {
         return signLines;
     }
+    
+    public static List<String> getUnusedItems(List<String> items, String[] args, boolean useP) {
+        List<String> used = new ArrayList<String>();
+        for(String s : args)
+            if(s.contains("-"))
+                used.add(s.replace("-", ""));
+        
+        List<String> unused = new ArrayList<String>();
+        for(String t : items)
+            if(!used.contains(t)) //don't add it if it is already used
+                if(!t.equalsIgnoreCase("p") || (useP && t.equalsIgnoreCase("p")))//don't add -p unless otherwise stated
+                        unused.add("-" + t);
+        
+        Collections.sort(unused);
+        
+        return unused;
+    }
 
     /**
      * Converts the player inventory to a String array of Base64 strings. First string is the content and second string is the armor.

src/main/java/com/graywolf336/jail/command/subcommands/JailCommand.java

@@ -271,8 +271,8 @@ public class JailCommand implements Command {
                 String previous = args[args.length - 2];
                 jm.getPlugin().debug("args[args.length - 2]: " + previous);
                 
-                if(previous.equalsIgnoreCase("-p")) return getPlayers(jm, "");
+                if(previous.equalsIgnoreCase("-p")) return getPlayers(jm, last);
-                else if(previous.equalsIgnoreCase("-j")) return jm.getJailsByPrefix("");
+                else if(previous.equalsIgnoreCase("-j")) return jm.getJailsByPrefix(last);
                 else if(previous.equalsIgnoreCase("-c")) {
                     //Since we need to give them a list of the cells in a jail
                     //we need to get the jail they're giving
@@ -280,15 +280,15 @@ public class JailCommand implements Command {
                     if(jailIndex != -1) {
                         String jail = args[jailIndex + 1];
                         jm.getPlugin().debug("The jail is: " + jail);
-                        if(jm.isValidJail(jail)) return getCells(jm, jail, "");
+                        if(jm.isValidJail(jail)) return getCells(jm, jail, last);
                     }
                 }else if(previous.endsWith("r")) return Collections.emptyList();
-                else if(!commands.contains(args[args.length - 2].replace("-", ""))) return getUnusedCommands(args);
+                else if(!commands.contains(args[args.length - 2].replace("-", ""))) return Util.getUnusedItems(commands, args, false);
             }
         }else if(last.equalsIgnoreCase("-")) {
             //add some smart checking so that it only returns a list of what isn't already
             //in the command :)
-            return getUnusedCommands(args);
+            return Util.getUnusedItems(commands, args, false);
         }else {
             return getPlayers(jm, last);
         }
@@ -321,21 +321,4 @@ public class JailCommand implements Command {
         
         return results;
     }
-    
-    private List<String> getUnusedCommands(String[] args) {
-        List<String> used = new ArrayList<String>();
-        for(String s : args)
-            if(s.contains("-"))
-                used.add(s.replace("-", ""));
-        
-        List<String> unused = new ArrayList<String>();
-        for(String t : commands)
-            if(!used.contains(t) //don't add it if it is already used
-                    && !t.equalsIgnoreCase("p"))//don't add -p
-                        unused.add("-" + t);
-        
-        Collections.sort(unused);
-        
-        return unused;
-    }
 }

src/main/java/com/graywolf336/jail/command/subcommands/JailTransferCommand.java

@@ -1,14 +1,19 @@
 package com.graywolf336.jail.command.subcommands;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
 
+import org.apache.commons.lang3.ArrayUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.util.StringUtil;
 
 import com.graywolf336.jail.JailManager;
+import com.graywolf336.jail.Util;
 import com.graywolf336.jail.beans.Cell;
 import com.graywolf336.jail.beans.Jail;
 import com.graywolf336.jail.beans.Prisoner;
@@ -29,6 +34,8 @@ import com.lexicalscope.jewel.cli.CliFactory;
         usage = "/jail transfer [-p player] (-j jail) (-c cell)"
         )
 public class JailTransferCommand implements Command {
+    private List<String> commands = Arrays.asList(new String[] { "p", "j", "c" });
+    
     public boolean execute(JailManager jm, CommandSender sender, String... args) throws Exception {
         if(jm.getJails().isEmpty()) {
             sender.sendMessage(Lang.NOJAILS.get());
@@ -137,7 +144,62 @@ public class JailTransferCommand implements Command {
     }
 
     public List<String> provideTabCompletions(JailManager jm, CommandSender sender, String... args) throws Exception {
-        //TODO implement
+        //by the time it gets to this command it'll have at least two arguments
+        String last = args[args.length - 1];
+        
+        if(last.isEmpty() || !commands.contains(last.replace("-", ""))) {
+            //the current part is empty. Need to look at their previous
+            //item and if it is a valid option, then provide them a valid tab complete option
+            if(args.length - 2 > -1) {
+                String previous = args[args.length - 2];
+                jm.getPlugin().debug("args[args.length - 2]: " + previous);
+                
+                if(previous.equalsIgnoreCase("-p")) return getPlayers(jm, last);
+                else if(previous.equalsIgnoreCase("-j")) return jm.getJailsByPrefix(last);
+                else if(previous.equalsIgnoreCase("-c")) {
+                    //Since we need to give them a list of the cells in a jail
+                    //we need to get the jail they're giving
+                    int jailIndex = ArrayUtils.indexOf(args, "-j");
+                    if(jailIndex != -1) {
+                        String jail = args[jailIndex + 1];
+                        jm.getPlugin().debug("The jail is: " + jail);
+                        if(jm.isValidJail(jail)) return getCells(jm, jail, last);
+                    }
+                }else if(!commands.contains(args[args.length - 2].replace("-", ""))) return Util.getUnusedItems(commands, args, true);
+            }
+        }else if(last.equalsIgnoreCase("-")) {
+            //add some smart checking so that it only returns a list of what isn't already
+            //in the command :)
+            return Util.getUnusedItems(commands, args, true);
+        }else {
+            return getPlayers(jm, last);
+        }
+        
         return Collections.emptyList();
     }
+    
+    private List<String> getPlayers(JailManager jm, String first) {
+        List<String> results = new ArrayList<String>();
+        
+        for(Player p : jm.getPlugin().getServer().getOnlinePlayers())
+            if(first.isEmpty() || StringUtil.startsWithIgnoreCase(p.getName(), first))
+                results.add(p.getName());
+        
+        Collections.sort(results);
+        
+        return results;
+    }
+    
+    private List<String> getCells(JailManager jm, String jail, String cell) {
+        List<String> results = new ArrayList<String>();
+        
+        for(Cell c : jm.getJail(jail).getCells())
+            if(!c.hasPrisoner())
+                if(cell.isEmpty() || StringUtil.startsWithIgnoreCase(c.getName(), cell))
+                    results.add(c.getName());
+        
+        Collections.sort(results);
+        
+        return results;
+    }
 }