separate pagination out

src/main/java/net/citizensnpcs/command/command/HelpCommands.java

@@ -14,13 +14,10 @@ import net.citizensnpcs.command.CommandContext;
 import net.citizensnpcs.command.CommandManager;
 import net.citizensnpcs.command.Requirements;
 import net.citizensnpcs.command.exception.CommandException;
-import net.citizensnpcs.util.Messaging;
-import net.citizensnpcs.util.StringHelper;
+import net.citizensnpcs.util.Paginator;
 
 @Requirements
 public class HelpCommands {
-    private static final int LINES_PER_PAGE = 9;
-
     private final CommandManager cmdManager;
 
     public HelpCommands(Citizens plugin) {
@@ -38,7 +35,11 @@ public class HelpCommands {
     @Requirements
     public void citizensHelp(CommandContext args, Player player, NPC npc) throws CommandException {
         int page = args.argsLength() == 2 ? args.getInteger(1) : 1;
-        if (!sendPage(player, args.getCommand(), page))
+        Paginator paginator = new Paginator();
+        for (String line : getLines(player, "citizens"))
+            paginator.addLine(line);
+        paginator.setHeaderText("Citizens Help");
+        if (!paginator.sendPage(player, page))
             throw new CommandException("The page '" + page + "' does not exist.");
     }
 
@@ -53,30 +54,14 @@ public class HelpCommands {
     @Requirements
     public void npcHelp(CommandContext args, Player player, NPC npc) throws CommandException {
         int page = args.argsLength() == 2 ? args.getInteger(1) : 1;
-        if (!sendPage(player, args.getCommand(), page))
+        Paginator paginator = new Paginator();
+        for (String line : getLines(player, "npc"))
+            paginator.addLine(line);
+        paginator.setHeaderText("NPC Help");
+        if (!paginator.sendPage(player, page))
             throw new CommandException("The page '" + page + "' does not exist.");
     }
 
-    private boolean sendPage(Player player, String baseCommand, int page) {
-        List<String> lines = getLines(player, baseCommand);
-        int pages = (int) ((lines.size() / LINES_PER_PAGE == 0) ? 1 : Math.ceil((double) lines.size() / LINES_PER_PAGE));
-        if (page < 0 || page > pages)
-            return false;
-
-        int startIndex = LINES_PER_PAGE * page - LINES_PER_PAGE;
-        int endIndex = page * LINES_PER_PAGE;
-
-        Messaging.send(player, StringHelper.wrapHeader("<e>"
-                + (baseCommand.equalsIgnoreCase("npc") ? "NPC" : StringHelper.capitalize(baseCommand.toLowerCase()))
-                + " Help <f>" + page + "/" + pages));
-
-        if (lines.size() < endIndex)
-            endIndex = lines.size();
-        for (String line : lines.subList(startIndex, endIndex))
-            Messaging.send(player, line);
-        return true;
-    }
-
     private List<String> getLines(Player player, String baseCommand) {
         // Ensures that commands with multiple modifiers are only added once
         Set<Command> cmds = new HashSet<Command>();

src/main/java/net/citizensnpcs/command/command/NPCCommands.java

@@ -45,7 +45,7 @@ public class NPCCommands {
 
     @Command(
              aliases = { "npc" },
-             usage = "create [name] --type (type) --char (character)",
+             usage = "create [name] (--type (type) --char (char))",
              desc = "Create a new NPC",
              modifiers = { "create" },
              min = 2,
@@ -282,4 +282,17 @@ public class NPCCommands {
                 + (trait.shouldLookClose() ? "now rotate" : "no longer rotate");
         Messaging.send(player, msg += " when a player is nearby.");
     }
+
+    @Command(
+             aliases = { "npc" },
+             usage = "list (--type (type) --char (char)",
+             desc = "List NPCs",
+             modifiers = { "list" },
+             min = 2,
+             max = 5,
+             permission = "npc.list")
+    @Requirements
+    public void list(CommandContext args, Player player, NPC npc) {
+
+    }
 }

src/main/java/net/citizensnpcs/util/Paginator.java

@@ -0,0 +1,38 @@
+package net.citizensnpcs.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bukkit.entity.Player;
+
+public class Paginator {
+    private static final int LINES_PER_PAGE = 9;
+
+    private final List<String> lines = new ArrayList<String>();
+    private String header;
+
+    public void addLine(String line) {
+        lines.add(line);
+    }
+
+    public void setHeaderText(String header) {
+        this.header = header;
+    }
+
+    public boolean sendPage(Player player, int page) {
+        int pages = (int) ((lines.size() / LINES_PER_PAGE == 0) ? 1 : Math.ceil((double) lines.size() / LINES_PER_PAGE));
+        if (page < 0 || page > pages)
+            return false;
+
+        int startIndex = LINES_PER_PAGE * page - LINES_PER_PAGE;
+        int endIndex = page * LINES_PER_PAGE;
+
+        Messaging.send(player, StringHelper.wrapHeader("<e>" + header + " <f>" + page + "/" + pages));
+
+        if (lines.size() < endIndex)
+            endIndex = lines.size();
+        for (String line : lines.subList(startIndex, endIndex))
+            Messaging.send(player, line);
+        return true;
+    }
+}

src/main/java/net/citizensnpcs/util/StringHelper.java

@@ -71,11 +71,11 @@ public class StringHelper {
 
     public static String capitalize(Object string) {
         String capitalize = string.toString();
-        return capitalize.replaceFirst(String.valueOf(capitalize.charAt(0)),
-                String.valueOf(Character.toUpperCase(capitalize.charAt(0))));
+        return capitalize.replaceFirst(String.valueOf(capitalize.charAt(0)), String.valueOf(Character
+                .toUpperCase(capitalize.charAt(0))));
     }
 
     public static String wrapHeader(Object string) {
-        return ChatColor.GREEN + "=====[ " + string.toString() + ChatColor.GREEN + " ]=====";
+        return "<a>=====[ " + string.toString() + "<a> ]=====";
     }
 }