Added Channel.filteranderrormsg()

TBMCPlugins/ButtonChat#61

src/main/java/buttondevteam/core/MainPlugin.java

@@ -2,7 +2,6 @@ package buttondevteam.core;
 
 import java.util.logging.Logger;
 
-import org.bukkit.entity.Player;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -10,7 +9,6 @@ import buttondevteam.lib.TBMCCoreAPI;
 import buttondevteam.lib.chat.Channel;
 import buttondevteam.lib.chat.Color;
 import buttondevteam.lib.chat.TBMCChatAPI;
-import buttondevteam.lib.chat.Channel.RecipientTestResult;
 import buttondevteam.lib.player.TBMCPlayerBase;
 import net.milkbowl.vault.permission.Permission;
 
@@ -36,14 +34,12 @@ public class MainPlugin extends JavaPlugin {
 		TBMCCoreAPI.RegisterEventsForExceptions(new PlayerListener(), this);
 		TBMCCoreAPI.RegisterUserClass(TBMCPlayerBase.class);
 		TBMCChatAPI.RegisterChatChannel(Channel.GlobalChat = new Channel("§fg§f", Color.White, "g", null));
-		TBMCChatAPI.RegisterChatChannel(Channel.AdminChat = new Channel("§cADMIN§f", Color.Red, "a",
-				s -> s.isOp() //
-						? new RecipientTestResult(0)
-						: new RecipientTestResult("You need to be an admin to use this channel.")));
-		TBMCChatAPI.RegisterChatChannel(Channel.ModChat = new Channel("§9MOD§f", Color.Blue, "mod",
-				s -> s.isOp() || (s instanceof Player && MainPlugin.permission.playerInGroup((Player) s, "mod"))
-						? new RecipientTestResult(0) //
-						: new RecipientTestResult("You need to be a mod to use this channel.")));
+		TBMCChatAPI.RegisterChatChannel(
+				Channel.AdminChat = new Channel("§cADMIN§f", Color.Red, "a", Channel.filteranderrormsg(null)));
+		TBMCChatAPI.RegisterChatChannel(
+				Channel.ModChat = new Channel("§9MOD§f", Color.Blue, "mod", Channel.filteranderrormsg("mod")));
+		TBMCChatAPI
+				.RegisterChatChannel(new Channel("§6DEV§", Color.Gold, "dev", Channel.filteranderrormsg("developer")));
 		logger.info(pdfFile.getName() + " has been Enabled (V." + pdfFile.getVersion() + ") Test: " + Test + ".");
 	}
 

src/main/java/buttondevteam/lib/TBMCCoreAPI.java

@@ -127,7 +127,7 @@ public class TBMCCoreAPI {
 	}
 
 	/**
-	 * Registers Bukkit events, handling the exceptions occuring in those events
+	 * Registers Bukkit events, handling the exceptions occurring in those events
 	 * 
 	 * @param listener
 	 *            The class that handles the events

src/main/java/buttondevteam/lib/chat/Channel.java

@@ -6,6 +6,9 @@ import java.util.function.Function;
 
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import buttondevteam.core.MainPlugin;
 
 public class Channel {
 	public final String DisplayName;
@@ -43,6 +46,22 @@ public class Channel {
 		return channels;
 	}
 
+	/**
+	 * Convenience method for the function parameter of {@link #Channel(String, Color, String, Function)}. It checks if the sender is OP or optionally has the specified group. The error message is
+	 * generated automatically.
+	 * 
+	 * @param permgroup
+	 *            The group that can access the channel or <b>null</b> to only allow OPs.
+	 * @return
+	 */
+	public static Function<CommandSender, RecipientTestResult> filteranderrormsg(String permgroup) {
+		return s -> s.isOp() || (permgroup != null
+				? s instanceof Player && MainPlugin.permission.playerInGroup((Player) s, permgroup) : false)
+						? new RecipientTestResult(0) //
+						: new RecipientTestResult("You need to be a(n) " + (permgroup != null ? permgroup : "OP")
+								+ " to use this channel.");
+	}
+
 	public static Channel GlobalChat;
 	public static Channel AdminChat;
 	public static Channel ModChat;

src/main/java/buttondevteam/lib/chat/Color.java

@@ -5,8 +5,8 @@ public enum Color implements TellrawSerializableEnum {
 			0, 170, 170), DarkRed("dark_red", 170, 0, 0), DarkPurple("dark_purple", 0, 170, 0), Gold("gold", 255, 170,
 					0), Gray("gray", 170, 170, 170), DarkGray("dark_gray", 85, 85, 85), Blue("blue", 85, 85,
 							255), Green("green", 85, 255, 85), Aqua("aqua", 85, 255, 255), Red("red", 255, 85,
-									85), LightPurple("light_purple", 255, 85, 255), Yellow("yellow", 255, 255,
-											85), White("white", 255, 255, 255), RPC("rpc", 0, 0, 0);
+									85), LightPurple("light_purple", 255, 85,
+											255), Yellow("yellow", 255, 255, 85), White("white", 255, 255, 255);
 
 	private final String name;
 	private final int red;