GUI Improvements (#1462)

- Added `GeyserCommand.isExecutableOnConsole()`. If this is set to false, the command will not appear as an option in the GUI.
- Added `GeyserCommand.getSubCommands()`. If not empty, the subcommand options will now appear in the GUI.

connector/src/main/java/org/geysermc/connector/command/GeyserCommand.java

@@ -30,6 +30,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 @Getter
@@ -44,4 +45,31 @@ public abstract class GeyserCommand {
     private List<String> aliases = new ArrayList<>();
 
     public abstract void execute(CommandSender sender, String[] args);
+
+    /**
+     * If false, hides the command from being shown on the Geyser Standalone GUI.
+     *
+     * @return true if the command can be run on the server console
+     */
+    public boolean isExecutableOnConsole() {
+        return true;
+    }
+
+    /**
+     * Used in the GUI to know what subcommands can be run
+     *
+     * @return a list of all possible subcommands, or empty if none.
+     */
+    public List<String> getSubCommands() {
+        return Collections.emptyList();
+    }
+
+    /**
+     * Shortcut to {@link #getSubCommands()}{@code .isEmpty()}.
+     *
+     * @return true if there are subcommand present for this command.
+     */
+    public boolean hasSubCommands() {
+        return !getSubCommands().isEmpty();
+    }
 }

connector/src/main/java/org/geysermc/connector/command/defaults/DumpCommand.java

@@ -27,12 +27,10 @@ package org.geysermc.connector.command.defaults;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
-import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
-import org.geysermc.connector.common.ChatColor;
 import org.geysermc.connector.GeyserConnector;
 import org.geysermc.connector.command.CommandSender;
 import org.geysermc.connector.command.GeyserCommand;
+import org.geysermc.connector.common.ChatColor;
 import org.geysermc.connector.common.serializer.AsteriskSerializer;
 import org.geysermc.connector.dump.DumpInfo;
 import org.geysermc.connector.utils.LanguageUtils;
@@ -40,6 +38,8 @@ import org.geysermc.connector.utils.WebUtils;
 
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 
 public class DumpCommand extends GeyserCommand {
 
@@ -130,4 +130,9 @@ public class DumpCommand extends GeyserCommand {
             connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.commands.dump.created", sender.getName(), uploadedDumpUrl));
         }
     }
+
+    @Override
+    public List<String> getSubCommands() {
+        return Arrays.asList("offline", "full");
+    }
 }

connector/src/main/java/org/geysermc/connector/command/defaults/OffhandCommand.java

@@ -68,4 +68,9 @@ public class OffhandCommand extends GeyserCommand {
             }
         }
     }
+
+    @Override
+    public boolean isExecutableOnConsole() {
+        return false;
+    }
 }

connector/src/main/java/org/geysermc/connector/command/defaults/StatisticsCommand.java

@@ -66,4 +66,9 @@ public class StatisticsCommand extends GeyserCommand {
         ClientRequestPacket clientRequestPacket = new ClientRequestPacket(ClientRequest.STATS);
         session.sendDownstreamPacket(clientRequestPacket);
     }
+
+    @Override
+    public boolean isExecutableOnConsole() {
+        return false;
+    }
 }