Added a command to set the text with a javascript expression

Author: Lorenzo0111

src/main/java/me/lorenzo0111/rocketplaceholders/command/RocketPlaceholdersCommand.java

@@ -64,6 +64,7 @@ public RocketPlaceholdersCommand(RocketPlaceholders plugin, PlaceholdersManager
         subcommands.add(new GuiCommand(this));
         subcommands.add(new EditorCommand(this));
         subcommands.add(new SetCommand(this));
+        subcommands.add(new SetJSCommand(this));
     }
 
     @Override

src/main/java/me/lorenzo0111/rocketplaceholders/command/subcommands/HelpCommand.java

@@ -49,6 +49,7 @@ public void perform(CommandSender sender, String[] args) {
         sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders gui » &7Open the gui"));
         sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders debug » &7Print debug message"));
         sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders test (Placeholder) » &7Try a placeholder"));
-        sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders set (Placeholder) (New Text) » &7Edit the text of a placeholder"));
+        sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders set (Placeholder) [--user Username] (New Text) » &7Edit the text of a placeholder"));
+        sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &8/rocketplaceholders setjs (Placeholder) (Javascript Expression) » &7Edit the text of a placeholder"));
     }
 }

src/main/java/me/lorenzo0111/rocketplaceholders/command/subcommands/SetJSCommand.java

@@ -0,0 +1,88 @@
+/*
+ *  This file is part of RocketPlaceholders, licensed under the MIT License.
+ *
+ *  Copyright (c) Lorenzo0111
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package me.lorenzo0111.rocketplaceholders.command.subcommands;
+
+import me.lorenzo0111.rocketplaceholders.command.RocketPlaceholdersCommand;
+import me.lorenzo0111.rocketplaceholders.command.SubCommand;
+import me.lorenzo0111.rocketplaceholders.creator.Placeholder;
+import me.lorenzo0111.rocketplaceholders.utilities.JavaScriptParser;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+
+import javax.script.ScriptException;
+
+public class SetJSCommand extends SubCommand {
+    private final JavaScriptParser<String> engine;
+
+    public SetJSCommand(RocketPlaceholdersCommand command) {
+        super(command);
+        this.engine = new JavaScriptParser<>();
+    }
+
+    @Override
+    public String getName() {
+        return "setjs";
+    }
+
+    @Override
+    public void perform(CommandSender sender, String[] args) {
+        if (!sender.hasPermission("rocketplaceholders.command.setjs")) {
+            this.sendPermissionsError(sender);
+            return;
+        }
+
+        if (args.length < 3) {
+            sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &7Try to use &8/rocketplaceholders setjs (Placeholder) (Javascript Expression)!"));
+            return;
+        }
+
+        Placeholder placeholder = this.getCommand().getPlaceholdersManager().getStorageManager().get(args[1]);
+
+        if (placeholder == null) {
+            sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &7This placeholder does not exists!"));
+            return;
+        }
+
+        StringBuilder builder = new StringBuilder();
+        for (int i = 2; i < args.length; i++) {
+            builder.append(args[i]).append(" ");
+        }
+
+        builder.deleteCharAt(builder.length() - 1);
+        engine.bind("Player", sender);
+        engine.bind("Server", Bukkit.getServer());
+        engine.bind("Placeholder", placeholder);
+        try {
+            String text = engine.parse(builder.toString());
+            if (text != null) {
+                placeholder.setText(text);
+            }
+        } catch (ScriptException e) {
+            sender.sendMessage(ChatColor.translateAlternateColorCodes('&', this.getCommand().getPlugin().getConfig().getString("prefix") + "&r &7Error while parsing the javascript expression!"));
+            this.getCommand().getPlugin().debug(e.getMessage());
+        }
+    }
+}