PageGUICache.java 文件源码

@EventHandler
public void onClick(InventoryClickEvent event) {
    ItemStack button = event.getCurrentItem();
    if (button == null || button.getType() == Material.AIR) {
        return;
    }
    Inventory inventory = event.getInventory();
    PageGUI gui = PageGUI.getByInventory(inventory);
    if (gui == null) {
        return;
    }

    event.setCancelled(true);
    PageGUI.playSound(event);
    int index = gui.getPages().indexOf(inventory);
    HumanEntity player = event.getWhoClicked();
    if (button.equals(NEXT_PAGE)) {
        gui.open(player, index + 1);
    } else if (button.equals(PREVIOUS_PAGE)) {
        gui.open(player, index - 1);
    }
}