Lists paid signs 7 at a time, instead of all at once

src/main/java/net/knarcraft/paidsigns/command/ListCommand.java

@@ -31,10 +31,16 @@ public class ListCommand extends TokenizedCommand {
                              @NotNull String[] args) {
         super.onCommand(sender, command, label, args);
         if (argumentSize < 1) {
-            displaySigns(sender);
+            displaySigns(sender, 0);
             return true;
         } else if (argumentSize < 3) {
-            return parsePaidSignSelection(sender);
+            try {
+                int pageNumber = Integer.parseInt(arguments.get(0)) - 1;
+                displaySigns(sender, pageNumber);
+                return true;
+            } catch (NumberFormatException exception) {
+                return parsePaidSignSelection(sender);
+            }
         }
         return false;
     }
@@ -42,20 +48,38 @@ public class ListCommand extends TokenizedCommand {
     /**
      * Displays all available signs
      *
-     * @param sender <p>The command sender to display the signs to</p>
+     * @param sender     <p>The command sender to display the signs to</p>
+     * @param pageNumber <p>The page of the sign list to display</p>
      */
-    private void displaySigns(CommandSender sender) {
+    private void displaySigns(CommandSender sender, int pageNumber) {
         StringBuilder signs = new StringBuilder();
         Set<String> signNames = PaidSigns.getInstance().getSignManager().getAllPaidSigns().keySet();
         List<String> signNameList = new ArrayList<>(signNames);
         Collections.sort(signNameList);
         String infoFormat = Translator.getTranslatedMessage(TranslatableMessage.PAID_SIGNS_INFO_FORMAT);
 
-        for (String signName : signNameList) {
+        //Display up to 10 signs per page
+        int signsPerPage = 7;
+        int alreadyDisplayed = pageNumber * signsPerPage;
+        for (int signIndex = alreadyDisplayed; signIndex < alreadyDisplayed + signsPerPage; signIndex++) {
+            if (signIndex >= signNameList.size()) {
+                break;
+            }
+            String signName = signNameList.get(signIndex);
             signs.append(StringFormatter.replacePlaceholder(infoFormat, "{name}", signName));
         }
-        sender.sendMessage(StringFormatter.replacePlaceholder(Translator.getTranslatedMessage(
-                TranslatableMessage.PAID_SIGNS_INFO), "{signs}", signs.toString()));
+
+        //Display that another page exists, if necessary
+        boolean hasNextPage = alreadyDisplayed + signsPerPage < signNameList.size();
+        String nextPagePrompt = "";
+        if (hasNextPage) {
+            nextPagePrompt = StringFormatter.replacePlaceholder(Translator.getTranslatedMessage(
+                    TranslatableMessage.PAID_SIGNS_NEXT_PROMPT), "{nextPage}", String.valueOf((pageNumber + 2)));
+        }
+
+        sender.sendMessage(StringFormatter.replacePlaceholders(Translator.getTranslatedMessage(
+                        TranslatableMessage.PAID_SIGNS_INFO), new String[]{"{signs}", "{nextPagePrompt}"},
+                new String[]{signs.toString(), nextPagePrompt}));
     }
 
     /**

src/main/java/net/knarcraft/paidsigns/formatting/TranslatableMessage.java

@@ -65,6 +65,11 @@ public enum TranslatableMessage {
      */
     PAID_SIGNS_INFO_FORMAT,
 
+    /**
+     * The prompt displayed when the paid sign list has more items
+     */
+    PAID_SIGNS_NEXT_PROMPT,
+
     /**
      * The info text used to display information about a paid sign
      */

src/main/resources/strings.yml

@@ -11,10 +11,12 @@ en:
   SUCCESS_REFUNDED: "&bYou were refunded &3{cost} {unit} &bfor your broken sign"
   PAID_SIGNS_INFO: |
     &f---&3Paid signs&f---
-    {signs}
+    {signs}{nextPagePrompt}
     &f-----------
   PAID_SIGNS_INFO_FORMAT: |
     &f| &b{name}
+  PAID_SIGNS_NEXT_PROMPT: |
+    &f| &3Use /lps {nextPage} to see more
   PAID_SIGN_INFO: |
     &f---&3Paid sign&f---
     &f| &bName: &3{name}