Adds commands for viewing placeholders on a sign

src/main/java/net/knarcraft/placeholdersigns/PlaceholderSigns.java

@@ -4,6 +4,7 @@ import net.knarcraft.knarlib.formatting.StringFormatter;
 import net.knarcraft.knarlib.formatting.Translator;
 import net.knarcraft.knarlib.property.ColorConversion;
 import net.knarcraft.placeholdersigns.command.EditSignCommand;
+import net.knarcraft.placeholdersigns.command.ViewPlaceholderSignCommand;
 import net.knarcraft.placeholdersigns.command.ViewSignCommand;
 import net.knarcraft.placeholdersigns.config.PlaceholderSignMessage;
 import net.knarcraft.placeholdersigns.handler.PlaceholderSignHandler;
@@ -94,6 +95,8 @@ public final class PlaceholderSigns extends JavaPlugin {
         registerCommand("editSign", new EditSignCommand());
         registerCommand("viewSign", new ViewSignCommand(false));
         registerCommand("viewSignRaw", new ViewSignCommand(true));
+        registerCommand("viewPlaceholderSign", new ViewPlaceholderSignCommand(false));
+        registerCommand("viewPlaceholderSignRaw", new ViewPlaceholderSignCommand(true));
     }
 
     @Override

src/main/java/net/knarcraft/placeholdersigns/command/ViewPlaceholderSignCommand.java

@@ -0,0 +1,53 @@
+package net.knarcraft.placeholdersigns.command;
+
+import net.knarcraft.placeholdersigns.PlaceholderSigns;
+import net.knarcraft.placeholdersigns.config.PlaceholderSignMessage;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.TabExecutor;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A command for viewing placeholders on a sign
+ */
+public class ViewPlaceholderSignCommand implements TabExecutor {
+
+    private final boolean raw;
+
+    /**
+     * Instantiates a new view sign command
+     *
+     * @param raw <p>Whether this sign displays the raw text or not</p>
+     */
+    public ViewPlaceholderSignCommand(boolean raw) {
+        this.raw = raw;
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String label,
+                             @NotNull String[] args) {
+        if (!(commandSender instanceof Player player)) {
+            return false;
+        }
+
+        // Register the sign view request
+        PlaceholderSigns.getInstance().getRequestHandler().addPlaceholderSignViewRequest(player, this.raw);
+
+        PlaceholderSigns.getInstance().getStringFormatter().displaySuccessMessage(commandSender,
+                PlaceholderSignMessage.SUCCESS_CLICK_SIGN_TO_VIEW);
+        return true;
+    }
+
+    @Nullable
+    @Override
+    public List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label,
+                                      @NotNull String[] args) {
+        return new ArrayList<>();
+    }
+
+}

src/main/java/net/knarcraft/placeholdersigns/config/PlaceholderSignMessage.java

@@ -34,14 +34,14 @@ public enum PlaceholderSignMessage implements TranslatableMessage {
     SUCCESS_SIGN_CONTENTS,
 
     /**
-     * The string displayed when a sign is confirmed to be glowing
+     * The string displayed when a sign property is confirmed
      */
-    GLOWING_CONFIRM,
+    SIGN_PROPERTY_CONFIRM,
 
     /**
-     * The string displayed when a sign is not glowing
+     * The string displayed when a sign property is denied
      */
-    GLOWING_DENY,
+    SIGN_PROPERTY_DENY,
     ;
 
     @Override

src/main/java/net/knarcraft/placeholdersigns/handler/PlaceholderSignRequestHandler.java

@@ -15,6 +15,7 @@ public class PlaceholderSignRequestHandler {
 
     private final Map<Player, SignLineChangeRequest> signChangeRequests;
     private final Map<Player, Boolean> signViewRequests;
+    private final Map<Player, Boolean> placeholderSignViewRequests;
 
     /**
      * Instantiates a new placeholder sign request handler
@@ -22,6 +23,7 @@ public class PlaceholderSignRequestHandler {
     public PlaceholderSignRequestHandler() {
         this.signChangeRequests = new HashMap<>();
         this.signViewRequests = new HashMap<>();
+        this.placeholderSignViewRequests = new HashMap<>();
     }
 
     /**
@@ -33,7 +35,7 @@ public class PlaceholderSignRequestHandler {
      * @param request <p>The sign change request to register</p>
      */
     public void addSignChangeRequest(@NotNull SignLineChangeRequest request) {
-        signChangeRequests.put(request.player(), request);
+        this.signChangeRequests.put(request.player(), request);
     }
 
     /**
@@ -44,7 +46,7 @@ public class PlaceholderSignRequestHandler {
      */
     @Nullable
     public SignLineChangeRequest getSignChangeRequest(@NotNull Player player) {
-        return signChangeRequests.remove(player);
+        return this.signChangeRequests.remove(player);
     }
 
     /**
@@ -54,19 +56,44 @@ public class PlaceholderSignRequestHandler {
      * @param raw    <p>Whether to display the raw text (visible formatting codes)</p>
      */
     public void addSignViewRequest(@NotNull Player player, boolean raw) {
-        signViewRequests.put(player, raw);
+        this.signViewRequests.put(player, raw);
     }
 
     /**
      * Checks whether the given player has a sign view request
      *
      * @param player <p>The player to check</p>
-     * @return <p>True if the player has requested to view a sign</p>
+     * @return <p>Not null if the player has requested to view a sign</p>
      */
     @Nullable
     public Boolean getSignViewRequest(@NotNull Player player) {
-        if (signViewRequests.containsKey(player)) {
-            return signViewRequests.remove(player);
+        if (this.signViewRequests.containsKey(player)) {
+            return this.signViewRequests.remove(player);
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Registers a placeholder view request
+     *
+     * @param player <p>The player requesting to view a placeholder sign</p>
+     * @param raw    <p>Whether to display the raw text (visible formatting codes)</p>
+     */
+    public void addPlaceholderSignViewRequest(Player player, boolean raw) {
+        this.placeholderSignViewRequests.put(player, raw);
+    }
+
+    /**
+     * Checks whether the given player has a placeholder sign view request
+     *
+     * @param player <p>The player to check</p>
+     * @return <p>Not null if the player has requested to view a sign</p>
+     */
+    @Nullable
+    public Boolean getPlaceholderSignViewRequest(@NotNull Player player) {
+        if (this.placeholderSignViewRequests.containsKey(player)) {
+            return this.placeholderSignViewRequests.remove(player);
         } else {
             return null;
         }

src/main/java/net/knarcraft/placeholdersigns/listener/SignClickListener.java

@@ -13,6 +13,7 @@ import net.knarcraft.placeholdersigns.handler.PlaceholderSignRequestHandler;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
 import org.bukkit.DyeColor;
+import org.bukkit.Location;
 import org.bukkit.block.Sign;
 import org.bukkit.block.sign.Side;
 import org.bukkit.block.sign.SignSide;
@@ -24,6 +25,7 @@ import org.bukkit.event.block.SignChangeEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Map;
 import java.util.Objects;
 
 /**
@@ -41,15 +43,22 @@ public class SignClickListener implements Listener {
 
         Player player = event.getPlayer();
         PlaceholderSignRequestHandler requestHandler = PlaceholderSigns.getInstance().getRequestHandler();
-        Boolean hasSignViewRequest = requestHandler.getSignViewRequest(player);
 
+        Boolean hasSignViewRequest = requestHandler.getSignViewRequest(player);
         if (hasSignViewRequest != null) {
-            printSign(sign, player, hasSignViewRequest);
+            printSign(sign, player, hasSignViewRequest, false);
             // Cancel the event to prevent vanilla behavior
             event.setCancelled(true);
             return;
         }
 
+        Boolean hasPlaceholderSignViewRequest = requestHandler.getPlaceholderSignViewRequest(player);
+        if (hasPlaceholderSignViewRequest != null) {
+            printSign(sign, player, hasPlaceholderSignViewRequest, true);
+            event.setCancelled(true);
+            return;
+        }
+
         if (sign.isWaxed() && !player.hasPermission("placeholdersigns.edit.bypass-waxed")) {
             PlaceholderSigns.getInstance().getStringFormatter().displayErrorMessage(player,
                     PlaceholderSignMessage.ERROR_WAXED_NO_PERMISSION);
@@ -71,38 +80,43 @@ public class SignClickListener implements Listener {
      * @param sign             <p>The sign to print</p>
      * @param player           <p>The player to display the contents to</p>
      * @param raw              <p>Whether to get the raw text with used formatting codes</p>
+     * @param showPlaceholders <p>Whether to show the actual placeholders stored on the sign</p>
      */
-    private void printSign(@NotNull Sign sign, @NotNull Player player, boolean raw) {
+    private void printSign(@NotNull Sign sign, @NotNull Player player, boolean raw, boolean showPlaceholders) {
+        Location location = sign.getLocation();
         SignSide front = sign.getSide(Side.FRONT);
         SignSide back = sign.getSide(Side.BACK);
-        String frontLines = getSignText(front, raw);
-        String backLines = getSignText(back, raw);
+        String frontLines = showPlaceholders ? getPlaceholderSignText(location, front, Side.FRONT, raw) :
+                getSignText(front.getLines(), raw);
+        String backLines = showPlaceholders ? getPlaceholderSignText(location, back, Side.BACK, raw) :
+                getSignText(back.getLines(), raw);
+        
         StringFormatter stringFormatter = PlaceholderSigns.getInstance().getStringFormatter();
         StringReplacer replacer = new StringReplacer(stringFormatter.getUnformattedColoredMessage(
                 PlaceholderSignMessage.SUCCESS_SIGN_CONTENTS));
         replacer.add("{frontLines}", frontLines);
         replacer.add("{backLines}", backLines);
         replacer.add("{frontDye}", getDye(front));
-        replacer.add("{frontGlow}", getGlow(front));
+        replacer.add("{frontGlow}", getStatus(front.isGlowingText()));
         replacer.add("{backDye}", getDye(back));
-        replacer.add("{backGlow}", getGlow(back));
+        replacer.add("{backGlow}", getStatus(back.isGlowingText()));
+        replacer.add("{waxed}", getStatus(sign.isWaxed()));
         player.sendMessage(replacer.replace());
     }
 
     /**
-     * Gets a description of the glow of a sign
+     * Gets a description of the status of a sign property
      *
-     * @param signSide <p>The sign side to get the dye of</p>
-     * @return <p>The description of the applied dye</p>
+     * @param isTrue <p>Whether the property is true</p>
+     * @return <p>A description of the property's current status</p>
      */
     @NotNull
-    private String getGlow(@NotNull SignSide signSide) {
-        boolean glowing = signSide.isGlowingText();
+    private String getStatus(boolean isTrue) {
         StringFormatter stringFormatter = PlaceholderSigns.getInstance().getStringFormatter();
-        if (glowing) {
-            return stringFormatter.getUnformattedColoredMessage(PlaceholderSignMessage.GLOWING_CONFIRM);
+        if (isTrue) {
+            return stringFormatter.getUnformattedColoredMessage(PlaceholderSignMessage.SIGN_PROPERTY_CONFIRM);
         } else {
-            return stringFormatter.getUnformattedColoredMessage(PlaceholderSignMessage.GLOWING_DENY);
+            return stringFormatter.getUnformattedColoredMessage(PlaceholderSignMessage.SIGN_PROPERTY_DENY);
         }
     }
 
@@ -126,22 +140,47 @@ public class SignClickListener implements Listener {
     /**
      * Gets text from a sign side, and appends it to the given string builder
      *
+     * @param signLocation <p>The location of the sign</p>
      * @param signSide     <p>The sign side to get text from</p>
+     * @param side         <p>The side of the sign to get placeholders from</p>
      * @param raw          <p>Whether to get the raw text with used formatting codes</p>
      */
     @NotNull
-    private String getSignText(@NotNull SignSide signSide, boolean raw) {
+    private String getPlaceholderSignText(@NotNull Location signLocation, @NotNull SignSide signSide,
+                                          @NotNull Side side, boolean raw) {
+        String[] lines = signSide.getLines();
+        PlaceholderSign placeholderSign = PlaceholderSigns.getInstance().getSignHandler().getFromLocation(signLocation);
+        if (placeholderSign == null) {
+            return getSignText(lines, raw);
+        }
+
+        Map<Integer, String> placeholders = placeholderSign.placeholders().get(side);
+        for (Map.Entry<Integer, String> entry : placeholders.entrySet()) {
+            lines[entry.getKey()] = entry.getValue();
+        }
+
+        return getSignText(lines, raw);
+    }
+
+    /**
+     * Gets text from a sign side, and appends it to the given string builder
+     *
+     * @param lines <p>The lines on the sign</p>
+     * @param raw   <p>Whether to get the raw text with used formatting codes</p>
+     */
+    @NotNull
+    private String getSignText(@NotNull String[] lines, boolean raw) {
         StringBuilder output = new StringBuilder();
         for (int i = 0; i < 4; i++) {
             output.append(i + 1).append(". ");
 
-            String line = signSide.getLine(i);
+            String line = lines[i];
             if (raw) {
                 output.append(line.replace(ChatColor.COLOR_CHAR, '&'));
             } else {
                 output.append(line);
             }
-            output.append("\n");
+            output.append(ChatColor.COLOR_CHAR).append("r\n");
         }
         return output.toString();
     }

src/main/resources/plugin.yml

@@ -18,6 +18,14 @@ commands:
     usage: /<command>
     permission: placeholdersigns.view
     description: Displays the raw contents of a sign in the chat (useful for lines exceeding the viewable area, or to see formatting used)
+  viewPlaceholderSign:
+    usage: /<command>
+    permission: placeholdersigns.view
+    description: Displays the contents of a sign in the chat, including stored placeholders
+  viewPlaceholderSignRaw:
+    usage: /<command>
+    permission: placeholdersigns.view
+    description: Displays the raw contents of a sign in the chat, including stored placeholders
 
 permissions:
   placeholdersigns.*:

src/main/resources/strings.yml

@@ -4,12 +4,13 @@ en:
   ERROR_WAXED_NO_PERMISSION: "You do not have the necessary permissions to edit a waxed sign."
   SUCCESS_SIGN_CHANGED: "The sign line was successfully changed."
   SUCCESS_SIGN_CONTENTS: |
+    #78da55&lSign contents:&r
     #17A057Front:&r
-    {frontLines}
-    #8899A5Dye&r {frontDye}&r, #8899A5Glowing&r {frontGlow}&r
+    {frontLines}#8899A5Dye&r {frontDye}&r, #8899A5Glowing&r {frontGlow}&r
     
     #A01760Back:&r
-    {backLines}
-    #8899A5Dye&r {backDye}&r, #8899A5Glowing&r {backGlow}&r
-  GLOWING_CONFIRM: "#FDFFC8Yes"
-  GLOWING_DENY: "#CAC8FFNo"
+    {backLines}#8899A5Dye&r {backDye}&r, #8899A5Glowing&r {backGlow}&r
+    
+    #ffdf32Waxed {waxed}
+  SIGN_PROPERTY_CONFIRM: "#FDFFC8Yes"
+  SIGN_PROPERTY_DENY: "#CAC8FFNo"