82 lines
2.0 KiB
C#
82 lines
2.0 KiB
C#
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using Prism.Commands;
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using Prism.Mvvm;
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using Prism.Regions;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace DM_Weight.Components.pagination
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{
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public class PaginationViewModel: BindableBase, IRegionMemberLifetime
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{
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public static readonly DependencyProperty PageSizeProperty = DependencyProperty
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.Register("CurrentPage",
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typeof(int),
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typeof(Pagination),
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new FrameworkPropertyMetadata(10));
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// 每页条数
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private int _pageSize = 10;
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// 当前页码
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private int _currentPage = 1;
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// 总条数
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private int _totalPages = 0;
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public int PageSize { get=> _pageSize; set => SetProperty(ref _pageSize, value); }
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public int CurrentPage { get => _currentPage; set => SetProperty(ref _currentPage, value); }
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public int TotalPages { get => _totalPages; set => SetProperty(ref _totalPages, value); }
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// 总页数
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public int PageCount
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{
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get => (int)Math.Ceiling((double)TotalPages/ PageSize);
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}
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public string InfoText
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{
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get => ((CurrentPage - 1) * PageSize + 1) + "-" + (CurrentPage * PageSize > TotalPages ? TotalPages : CurrentPage * PageSize) + "/" + TotalPages;
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}
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public bool KeepAlive => false;
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public DelegateCommand ToFirst
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{
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get => new(() =>
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{
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CurrentPage = 1;
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});
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}
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public DelegateCommand ToPrve
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{
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get => new(() =>
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{
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CurrentPage -= 1;
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});
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}
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public DelegateCommand ToNext
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{
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get => new(() =>
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{
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CurrentPage += 1;
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});
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}
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public DelegateCommand ToEnd
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{
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get => new(() =>
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{
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CurrentPage = PageCount;
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});
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}
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}
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}
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