Finish Tab-Completion Handling

src/main/java/ce/ajneb97/listeners/PlayerEventsListener.java

@@ -24,6 +24,7 @@
 import org.bukkit.event.inventory.InventoryCloseEvent;
 import org.bukkit.event.inventory.InventoryOpenEvent;
 import org.bukkit.event.player.*;
+import org.bukkit.event.server.TabCompleteEvent;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
 
@@ -563,7 +564,6 @@ public void onHealthRegain(EntityRegainHealthEvent event){
         ).checkEvent();
     }
 
-    /*
     @EventHandler(priority = EventPriority.HIGHEST)
     public void onTabComplete(TabCompleteEvent event){
         if(!(event.getSender() instanceof Player)){
@@ -572,12 +572,18 @@ public void onTabComplete(TabCompleteEvent event){
 
         Player player = (Player) event.getSender();
         String command = event.getBuffer();
+        String[] args = command.split(" ");
+        ArrayList<StoredVariable> eventVariables = new ArrayList<StoredVariable>();
+        for(int i=1;i<args.length;i++) {
+            eventVariables.add(new StoredVariable("%arg_"+(i)+"%",args[i]));
+        }
 
-        new ConditionEvent(plugin, player, event, EventType.PLAYER_TAB_COMPLETE_EVENT, null)
-                .addVariables(
-                        new StoredVariable("%command%",command)
-                ).checkEvent();
+        ConditionEvent conditionEvent = new ConditionEvent(plugin, player, event, EventType.PLAYER_TAB_COMPLETE, null);
+        if(!conditionEvent.containsValidEvents()) return;
+        conditionEvent.addVariables(
+                new StoredVariable("%main_command%",args[0]),
+                new StoredVariable("%args_length%",(args.length-1)+"")
+        ).addVariables(eventVariables)
+                .checkEvent();
     }
-
-     */
 }

src/main/java/ce/ajneb97/model/EventType.java

@@ -27,7 +27,7 @@ public enum EventType {
     PLAYER_REGAIN_HEALTH,
     PLAYER_CHANGE_AIR, //1.10+
     PLAYER_CHANGE_FOOD, //1.16+
-    PLAYER_TAB_COMPLETE_EVENT,
+    PLAYER_TAB_COMPLETE,
     BLOCK_INTERACT,
     BLOCK_BREAK,
     BLOCK_PLACE,

src/main/java/ce/ajneb97/model/actions/ActionType.java

@@ -53,5 +53,7 @@ public enum ActionType {
     DISCORDSRV_EMBED,
     CALL_EVENT,
     EXECUTE_ACTION_GROUP,
+    TAB_COMPLETE,
     API
+
 }

src/main/java/ce/ajneb97/model/internal/ExecutedEvent.java

@@ -388,6 +388,8 @@ private void executeAction(Player player,ActionType type,String apiType,String a
             //case VECTOR:
             //    ActionUtils.vector(player, actionLine);
             //    return;
+            case TAB_COMPLETE:
+                ActionUtils.tabComplete(actionLine,minecraftEvent);
         }
     }
 

src/main/java/ce/ajneb97/utils/ActionUtils.java

@@ -21,6 +21,7 @@
 import org.bukkit.event.entity.EntityDeathEvent;
 import org.bukkit.event.entity.PlayerDeathEvent;
 import org.bukkit.event.player.*;
+import org.bukkit.event.server.TabCompleteEvent;
 import org.bukkit.inventory.EntityEquipment;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.FireworkMeta;
@@ -35,6 +36,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
+import java.util.stream.Collectors;
 
 public class ActionUtils {
 
@@ -415,6 +417,33 @@ public static void setItem(String actionLine,Event minecraftEvent){
         }
     }
 
+    public static void tabComplete(String actionLine,Event minecraftEvent){
+        // tab_complete: <mode>;<element1>,<element2>,<elementN>
+        String[] sep = actionLine.replace("tab_complete: ","").split(";");
+
+        String mode = sep[0];
+        List<String> completions = new ArrayList<>();
+        if(sep.length > 1){
+            completions = Arrays.asList(sep[1].split(","));
+        }
+
+        if(minecraftEvent instanceof TabCompleteEvent) {
+            TabCompleteEvent event = (TabCompleteEvent) minecraftEvent;
+            if (mode.equalsIgnoreCase("remove")) {
+                event.getCompletions().removeAll(completions);
+            } else if (mode.equalsIgnoreCase("clear")) {
+                event.getCompletions().clear();
+            } else if (mode.equalsIgnoreCase("set")) {
+                event.setCompletions(completions);
+            } else {
+                String[] buffer_words = event.getBuffer().split(" ", -1); // Don't trim empties
+                String partial_word = buffer_words[buffer_words.length - 1];
+                event.getCompletions().addAll(completions.stream().filter(w -> w.startsWith(partial_word)).collect(Collectors.toList()));
+                event.getCompletions().sort(Comparator.naturalOrder());
+            }
+        }
+    }
+
     public static void setBlock(String actionLine){
         // set_block: location:<x>,<y>,<z>,<world>;id:<id>
         String[] sep = actionLine.replace("set_block: ","").split(";");