VirtualInventory.java

package me.fromgate.reactions.menu;

import me.fromgate.reactions.util.Param;
import me.fromgate.reactions.util.item.ItemUtil;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;

import java.util.ArrayList;
import java.util.List;

public class VirtualInventory {

    int size;
    String title;
    List<String> slots;
    List<String> execs;

    public VirtualInventory(int size, String title) {
        this.size = (size % 9 == 0) ? size : ((size / 9) + 1) * 9;
        this.title = title;
        this.slots = InventoryMenu.getEmptyList(this.size);
        this.execs = InventoryMenu.getEmptyList(this.size);
    }

    public void save(YamlConfiguration cfg, String root) {
        cfg.set(root + ".title", title);
        cfg.set(root + ".size", size);
        for (int i = 0; i < size; i++) {
            if (!slots.get(i).isEmpty())
                cfg.set(root + ".slot" + Integer.toString(i + 1) + ".item", slots.get(i));
            if (!execs.get(i).isEmpty())
                cfg.set(root + ".slot" + Integer.toString(i + 1) + ".activator", execs.get(i));
        }
    }

    public VirtualInventory(YamlConfiguration cfg, String root) {
        this(9, "&4Re&6Actions menu");
        load(cfg, root);
    }


    public void load(YamlConfiguration cfg, String root) {
        this.title = cfg.getString(root + ".title", "&4Re&6Actions menu");
        this.size = cfg.getInt(root + ".size", 9);
        size = (size % 9 == 0) ? size : ((size / 9) + 1) * 9;
        this.slots = InventoryMenu.getEmptyList(this.size);
        this.execs = InventoryMenu.getEmptyList(this.size);
        for (int i = 1; i <= size; i++) {
            this.slots.set(i - 1, cfg.getString(root + ".slot" + Integer.toString(i) + ".item", ""));
            this.execs.set(i - 1, cfg.getString(root + ".slot" + Integer.toString(i) + ".activator", ""));
        }
    }

    public Inventory getInventory() {
        Inventory inv = Bukkit.createInventory(null, (size % 9 == 0) ? size : ((size / 9) + 1) * 9, ChatColor.translateAlternateColorCodes('&', title));
        for (int i = 0; i < slots.size(); i++) {
            if (slots.get(i).isEmpty()) continue;
            ItemStack item = ItemUtil.parseItemStack(slots.get(i));
            if (item == null) continue;
            inv.setItem(i, item);
        }
        return inv;
    }

    public List<String> getActivators() {
        return this.execs;
    }

    public VirtualInventory(Param params) {
        title = params.getParam("title", "&4Re&6Actions &eMenu");
        size = params.getParam("size", 9);
        size = (size % 9 == 0) ? size : ((size / 9) + 1) * 9;
        slots = new ArrayList<>();
        execs = new ArrayList<>();
        for (int i = 1; i <= size; i++) {
            execs.add(params.getParam("exec" + Integer.toString(i), ""));
            slots.add(params.getParam("exec" + Integer.toString(i), ""));
        }
    }

}