Initial commit

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

@@ -0,0 +1,72 @@
+package net.knarcraft.placeholdersigns.command;
+
+import net.knarcraft.placeholdersigns.PlaceholderSigns;
+import net.knarcraft.placeholdersigns.container.LineChangeRequest;
+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 setting a sign's text to anything longer than normally possible
+ */
+public class EditSignCommand implements TabExecutor {
+
+    private static final List<String> lineNumbers;
+
+    static {
+        lineNumbers = new ArrayList<>();
+        for (int i = 1; i < 5; i++) {
+            lineNumbers.add(String.valueOf(i));
+        }
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s,
+                             @NotNull String[] args) {
+        if (args.length < 2 || !(commandSender instanceof Player player)) {
+            return false;
+        }
+
+        // Parse the specified line number
+        int lineNumber;
+        try {
+            lineNumber = Integer.parseInt(args[0]);
+            if (lineNumber < 0 || lineNumber > 4) {
+                return false;
+            }
+        } catch (NumberFormatException exception) {
+            return false;
+        }
+
+        // Get all arguments as a space-separated string
+        StringBuilder builder = new StringBuilder(args[1]);
+        for (int i = 2; i < args.length; i++) {
+            builder.append(" ").append(args[i]);
+        }
+
+        // Register the line change request
+        LineChangeRequest request = new LineChangeRequest(player, lineNumber - 1, builder.toString());
+        PlaceholderSigns.getInstance().addChangeRequest(request);
+
+        commandSender.sendMessage("Please click the sign you want to change.");
+        return true;
+    }
+
+    @Nullable
+    @Override
+    public List<String> onTabComplete(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s,
+                                      @NotNull String[] args) {
+        if (args.length == 1) {
+            return lineNumbers;
+        } else {
+            return new ArrayList<>();
+        }
+    }
+
+}