using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Lista_Jednokierunkowa
{
    public partial class Form1 : Form
    {
        Kolejka kolejka = new Kolejka();
        Stos stos = new Stos();

        public Form1()
        {
            InitializeComponent();
            checkedListBox1.SetItemChecked(0, true);
        }
        
        int a;

        private void button1_Click(object sender, EventArgs e)
        {
            int x = 0;
            
            Int32.TryParse(textBox1.Text, out x);
            if (a == 0)
            {
                kolejka.Push(x);
            }
            if(a == 1)
            {
                stos.Push(x);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (a == 0)
            {
                kolejka.Pop();
            }
            if (a == 1)
            {
                stos.Pop();
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            if (a == 0)
            {
                string str = kolejka.Length().ToString();
                label1.Text = str;
            }
            if (a == 1)
            {
                string str = stos.Length().ToString();
                label1.Text = str;
            }            
        }

        private void button4_Click(object sender, EventArgs e)
        {
            if (a == 0)
            {
                string str = kolejka.Show();
                label2.Text = str;
            }
            if (a == 1)
            {
                string str = stos.Show();
                label2.Text = str;
            }            
        }

        private void checkedListBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            int iSelectedIndex = checkedListBox1.SelectedIndex;
            if (iSelectedIndex == -1)
                return;
            for (int iIndex = 0; iIndex < checkedListBox1.Items.Count; iIndex++)
                checkedListBox1.SetItemCheckState(iIndex, CheckState.Unchecked);
            checkedListBox1.SetItemCheckState(iSelectedIndex, CheckState.Checked);
            

            if (checkedListBox1.GetItemChecked(0) == true)
            {
                a = 0;
            }
            if (checkedListBox1.GetItemChecked(1) == true)
            {
                a = 1;
            }
        }
    }
}