using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using FWindSoft.Handle;
using FWindSoft.Wpf.Controls;

namespace Test.Pager
{
    /// <summary>
    /// WinPager.xaml 的交互逻辑
    /// </summary>
    public partial class WinPager : Window
    {
        /*
         * 例子需要整理：
         * PageIndex变化引起联动处理。
         */
        PagerFilterControl m_FilterControl = new PagerFilterControl();
        public WinPager()
        {
            InitializeComponent();
            InitData();
            m_FilterControl.InitFilterAction = InitFilter;
            m_FilterControl.InitPagerAction = InitPager;
            m_FilterControl.UpdateData = UpdateData;
            m_FilterControl.FilterSetting["Name"] = string.Empty;
            //NavigationPager_OnPageIndexChanged(null, new PageChangedEventArgs() {CurrentPageIndex = 1});
            m_FilterControl.Refresh();
        }
        private void InitFilter(PagerFilterControl control)
        {
            Search.Text = control.FilterSetting["Name"].ToString();
        }
        private void InitPager(PagerFilterControl control)
        {
            //属性变化，控制不刷新页面
            Pager.CurrentPageIndex = control.CurrentPageIndex;
        }
        private void UpdateData(PagerFilterControl control)
        {
            if (DataSource == null)
                return;
            DataGrid.ItemsSource = null;
            int currentIndex = control.CurrentPageIndex;
            Collections = new ObservableCollection<Person>(DataSource.GetRange((currentIndex - 1) * 15, 15));
            DataGrid.ItemsSource = Collections;
        }
        private List<Person> DataSource;
        public ObservableCollection<Person> Collections;
        public void InitData()
        {
            int total = 100;
            List<Person> persons=new List<Person>();
            for (int i = 0; i < total; i++)
            {
                for (int j = 0; j < 15; j++)
                {
                    persons.Add(new Person(){Name = "学生"+i.ToString()});
                }
            }

            DataSource = persons;
            Pager.TotalPageCount = 100;
            Pager.CurrentPageIndex = 1;


        }

        private void NavigationPager_OnPageIndexChanged(object sender, PageChangedEventArgs e)
        {
            //if (DataSource == null)
            //    return;
            //DataGrid.ItemsSource = null;
            //int currentIndex = e.CurrentPageIndex;
            //Collections=new ObservableCollection<Person>(DataSource.GetRange((currentIndex-1)*15,15));
            //DataGrid.ItemsSource = Collections;

            //SearchTextBlock.SetSearchKey(Grid, e.CurrentPageIndex.ToString());
            m_FilterControl.CurrentPageIndex=Pager.CurrentPageIndex;
            m_FilterControl.PageInfoChanged();
        }

        private void BtnSearch_Click(object sender, RoutedEventArgs e)
        {
            m_FilterControl.FilterSetting["Name"] = Search.Text;
            m_FilterControl.FilterChanged();
        }
    }

    public class Person
    {
        public string Name { get; set; }

        public string Age { get; set; }
    }
}