support multiline in Modal and Simple Form

Author: HSGamer

src/main/java/me/hsgamer/bettergui/betterforms/impl/modal/ModalFormMenu.java

@@ -18,6 +18,7 @@
 import me.hsgamer.bettergui.betterforms.api.builder.ComponentProviderBuilder;
 import me.hsgamer.bettergui.betterforms.api.menu.FormMenu;
 import me.hsgamer.bettergui.betterforms.api.sender.FormSender;
+import me.hsgamer.bettergui.betterforms.util.ComponentUtil;
 import me.hsgamer.bettergui.util.StringReplacerApplier;
 import me.hsgamer.hscore.common.MapUtils;
 import me.hsgamer.hscore.config.Config;
@@ -40,7 +41,7 @@ public ModalFormMenu(FormSender sender, Config config) {
         super(sender, config);
 
         content = Optional.ofNullable(MapUtils.getIfFound(menuSettings, "content"))
-                .map(Object::toString)
+                .map(ComponentUtil::toMultilineString)
                 .orElse("");
     }
 

src/main/java/me/hsgamer/bettergui/betterforms/impl/simple/SimpleButtonComponentProvider.java

@@ -39,7 +39,7 @@ public SimpleButtonComponentProvider(ComponentProviderBuilder.Input input) {
         super(input);
 
         value = Optional.ofNullable(MapUtils.getIfFound(input.options, "value", "text", "content"))
-                .map(Object::toString)
+                .map(ComponentUtil::toMultilineString)
                 .orElse("");
         imageFunction = ComponentUtil.createImageFunction(input.options, this);
     }

src/main/java/me/hsgamer/bettergui/betterforms/impl/simple/SimpleFormMenu.java

@@ -18,8 +18,8 @@
 import me.hsgamer.bettergui.betterforms.api.builder.ComponentProviderBuilder;
 import me.hsgamer.bettergui.betterforms.api.menu.FormMenu;
 import me.hsgamer.bettergui.betterforms.api.sender.FormSender;
+import me.hsgamer.bettergui.betterforms.util.ComponentUtil;
 import me.hsgamer.bettergui.util.StringReplacerApplier;
-import me.hsgamer.hscore.common.CollectionUtils;
 import me.hsgamer.hscore.common.MapUtils;
 import me.hsgamer.hscore.config.Config;
 import org.bukkit.entity.Player;
@@ -41,8 +41,7 @@ public SimpleFormMenu(FormSender sender, Config config) {
         super(sender, config);
 
         content = Optional.ofNullable(MapUtils.getIfFound(menuSettings, "content"))
-                .map(CollectionUtils::createStringListFromObject)
-                .map(list -> String.join("\n", list))
+                .map(ComponentUtil::toMultilineString)
                 .orElse("");
     }
 

src/main/java/me/hsgamer/bettergui/betterforms/util/ComponentUtil.java

@@ -17,9 +17,11 @@
 
 import me.hsgamer.bettergui.api.menu.MenuElement;
 import me.hsgamer.bettergui.util.StringReplacerApplier;
+import me.hsgamer.hscore.common.CollectionUtils;
 import me.hsgamer.hscore.common.MapUtils;
 import org.geysermc.cumulus.util.FormImage;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
@@ -52,4 +54,9 @@ public static Function<UUID, FormImage> createImageFunction(Map<String, Object>
             }
         };
     }
+
+    public static String toMultilineString(Object input) {
+        List<String> list = CollectionUtils.createStringListFromObject(input);
+        return String.join("\n", list);
+    }
 }