Views/DataPager.xaml.cs

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using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;

namespace MahAppsMetro.Demo.Views
{
    /// <summary>
    /// Interaction logic for DataPager.xaml
    /// </summary>
    public partial class DataPager : UserControl
    {
        public int PageCount
        {
            get { return (int)GetValue(PageCountProperty); }
            set { SetValue(PageCountProperty, value); }
        }

        // Using a DependencyProperty as the backing store for PageCount.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty PageCountProperty =
            DependencyProperty.Register("PageCount", typeof(int), typeof(DataPager), new PropertyMetadata(1, PageCountChanged));

        private static void PageCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            int oldValue = Convert.ToInt32(e.OldValue);
            int newValue = Convert.ToInt32(e.NewValue);
            DataPager pager = (DataPager)d;

            if (newValue <= 0) return;
            pager.ResetList();
        }

        public int Value
        {
            get { return (int)GetValue(ValueProperty); }
            set { SetValue(ValueProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Value.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty ValueProperty =
            DependencyProperty.Register("Value", typeof(int), typeof(DataPager), new PropertyMetadata(1, OnValueChanged));


        public ICommand NavigateCommand
        {
            get { return (ICommand)GetValue(NavigateCommandProperty); }
            set { SetValue(NavigateCommandProperty, value); }
        }

        // Using a DependencyProperty as the backing store for NavigateCommand.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty NavigateCommandProperty =
            DependencyProperty.Register("NavigateCommand", typeof(ICommand), typeof(DataPager));

        public DataPager()
        {
            InitializeComponent();
            this.PART_FirstPage.Click += (s, e) => Value = 1;
            this.PART_LastPage.Click += (s, e) => Value = PageCount;