/**
     * @param itemStacks count number of itemstacks and return
     *                   a number of stacks some you put in.
     */


    public int countItemStacks(ItemStack[] itemStacks) {
        if (itemStacks == null)
            return 0;
        return itemStacks.length;
    }

    /**
     * @param location Set items in the chest on this cords,
     *                 if you have more an one page, it will
     *                 set items on this too (if slots not has items
     *                 it will return air (slots will be empty)).
     */
    public void setContents(Location location) {
        ItemStack[] itemStacks = ChestRegistry.getInstance().getcontents(location);

        if (itemStacks == null)
            itemStacks = new ItemStack[0];
        //System.out.println("itemstack orginal" + Arrays.toString(itemStacks1));
        int currentInventory = 0;
        int conterItems = 0;
        //System.out.println("Itemstacks before" + Arrays.toString(itemStacks1));
        try {
            do {
                for (int i = 0; i < countItemStacks(itemStacks); i++) {
                    Inventory inventory = getPage(currentInventory, location);
                    if (i < GuiSize) {
                        inventory.setItem(i, itemStacks[conterItems]);
                        conterItems++;
                        //System.out.println("itemstack " + itemStacks[i] + "value i = " + conterItems);
                    }

                }
                currentInventory++;
            } while (currentInventory < getPageIndex);
        } catch (ArrayIndexOutOfBoundsException ex) {
            Common.log("&4Warning!!&c you has change gui size of the chest from " + (conterItems - GuiSize) + " to " + GuiSize
                    + " if you made gui size smaller you can lose items");
        }

    }