Add the new MLBImpl

Author: coderFlameyosFlow

src/main/java/me/flame/menus/menu/layout/MenuLayoutBuilderImpl.java

@@ -0,0 +1,78 @@
+package me.flame.menus.menu.layout;
+
+import me.flame.menus.items.MenuItem;
+import me.flame.menus.menu.Menu;
+import me.flame.menus.menu.MenuFactory;
+import me.flame.menus.menu.Menus;
+import me.flame.menus.menu.PaginatedMenu;
+import me.flame.menus.modifiers.Modifier;
+
+import java.util.*;
+
+public class MenuLayoutBuilderImpl implements MenuLayoutBuilder {
+    public final Map<Character, MenuItem> itemMap;
+    private final List<MenuItem> items = new ArrayList<>(54);
+    private static final int MAX_ROW_SIZE = 8;
+    private static final MenuFactory FACTORY = Menus.getFactory();
+
+    public MenuLayoutBuilderImpl(Map<Character, MenuItem> itemMap) {
+        this.itemMap = itemMap;
+    }
+
+    @Override
+    public MenuLayoutBuilder row(String string) {
+        int stringsLength = string.length();
+        if (items.size() == 54) {
+            throw new IllegalArgumentException("Attempted to add more than 54 items (max inventory size)");
+        }
+        if (stringsLength > MAX_ROW_SIZE) {
+            throw new IllegalArgumentException("Too many strings (Temporary.. maybe?), length = "
+                    + stringsLength +
+                    "\n String = " + string);
+        }
+
+        char[] chars = string.toCharArray();
+        int index = 0;
+        for (; index != stringsLength; index++) {
+            if (items.size() == 54) {
+                throw new IllegalArgumentException("Attempted to add more than 54 items (max inventory size)");
+            }
+            char character = chars[index];
+            if (character == ' ') {
+                items.add(null);
+                continue;
+            }
+            MenuItem item = itemMap.get(character);
+            if (item == null) {
+                throw new IllegalArgumentException("Unknown item: " + character +
+                        "\nLikely a letter not in the bound map." +
+                        "\nMap: " + itemMap);
+            }
+            items.add(item);
+        }
+
+        if (stringsLength < MAX_ROW_SIZE)
+            for (; index != MAX_ROW_SIZE; index++) items.add(null);
+        return this;
+    }
+
+    @Override
+    public Menu createMenu(String title) {
+        int i = 0, size = items.size();
+        Menu menu = FACTORY.createMenu(title, size / 9, EnumSet.noneOf(Modifier.class));
+
+        for (; i < size; i++)
+            menu.setItem(i, items.get(i));
+        return menu;
+    }
+
+    @Override
+    public PaginatedMenu createPaginated(String title, int pageSize) {
+        int i = 0, size = items.size();
+        PaginatedMenu menu = FACTORY.createPaginated(title, size / 9, pageSize);
+
+        for (; i < size; i++)
+            menu.setItem(i, items.get(i));
+        return menu;
+    }
+}