private void LoadTemplates()
{
Items.Clear();
PageItems.Clear();
int count = 0;
string[] files = Directory.GetFiles(Constants.TemplateThumbnailRoot);
if (files == null)
{
Debug.Write("Error: Reading files from the souvenirs image folder returns null.");
return;
}
foreach (var file in files)
{
string name = Path.GetFileNameWithoutExtension(file);
TemplateModel template = new TemplateModel(name, Path.GetFullPath(file), name);
if (count < Constants.NumberOfItemsPerPage)
{
PageItems.Add(template);
++count;
}
Items.Add(template);
}
PageCursor = 1;
NumberOfPages = (Items.Count + Constants.NumberOfItemsPerPage - 1) / Constants.NumberOfItemsPerPage;
PageBackCommand.RaiseCanExecuteChanged();
PageForwardCommand.RaiseCanExecuteChanged();
}
public static PageItems <Cajas> GetCajas(int Sucursal, int PageSize, int CurrentPage)
{
string SqlStatement = @"select a.Id, a.FechaApertura, a.FechaCierre, a.IsOpen, a.SucursalId, b.Description as [SucursalDescripcion],
a.Turno, a.InicioDeCaja, a.TotalTeoricoDeCaja, a.UserId, (c.FirstName + ' ' + c.LastName) as [UserNombre]
from cajas a inner join Sucursales b on a.SucursalId = b.Id inner join Users c on a.UserId = c.Id
Where a.SucursalId = @sucursalId order by a.Id DESC OFFSET (@currentPage - 1) * @pageSize ROWS FETCH NEXT @pageSize ROWS ONLY" ;
string SqlStatement2 = @"select count(*) from cajas Where SucursalId = @sucursalId";
var rtrnObj = new PageItems <Cajas>();
try
{
using (var connection = new SqlConnection(SqlConn))
{
rtrnObj.Items = GetSQL(SqlStatement, new { sucursalId = Sucursal, currentPage = CurrentPage, pageSize = PageSize }, connection);
rtrnObj.RecordCounts = (int)GetValueSQL(SqlStatement2, new { sucursalId = Sucursal });
rtrnObj.CurrentPage = CurrentPage;
}
}
catch (Exception e)
{
throw e;
}
return(rtrnObj);
}
public async Task <IActionResult> ListByFirstLetter(string lettre, int page = 1)
{
var aliments = _context.Aliment.Where(a => a.Nom.Substring(0, 1) == lettre).OrderBy(a => a.Nom);
PageItems <Aliment> pagealiments = await PageItems <Aliment> .CreateAsync(aliments, page, 20);
ViewBag.lettre = lettre;
return(View(pagealiments));
}
protected void Reset()
{
PageCursor = 1;
NumberOfPages = 1;
Items.Clear();
PageItems.Clear();
PageBackCommand.RaiseCanExecuteChanged();
PageForwardCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// 关闭Page
/// </summary>
/// <param name="uuid">需要关闭的Page的UUID</param>
/// <returns>返回关闭的Page的位置</returns>
public static int ClosePage(string uuid)
{
if (pages[uuid] is Pages.ProcessContainer)
{
((Pages.ProcessContainer)pages[uuid]).DisposePage();//如果是进程容器则对进程和ws进行关闭
}
pages[uuid].Content = null;
pages.Remove(uuid);
int index = PageItems.IndexOf(PageItems.First(l => l.uuid == uuid));
PageItems.RemoveAt(index);
GC.Collect();
return(index);
}
private void PageForwardCommandExecute(object parameter)
{
PageItems.Clear();
++PageCursor;
int startIndex = (PageCursor - 1) * Constants.NumberOfItemsPerPage;
for (var i = startIndex; i < startIndex + Constants.NumberOfItemsPerPage; ++i)
{
if (i >= Items.Count)
{
break;
}
PageItems.Add(Items[i]);
}
PageBackCommand.RaiseCanExecuteChanged();
PageForwardCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// 添加新的页面
/// </summary>
/// <param name="page">页面源，使用new Pages.xxx()初始化</param>
/// <param name="title">页面标题</param>
/// <returns>返回初始化后的Page</returns>
public static Page AddPage(Page page, string title)
{
pages.Add(UUIDTemp, page);
var PageInfo = new PageItemModel()
{
PageTitle = title, PageSource = page, uuid = UUIDTemp
};
UUIDTemp = CreateNewUUID;
page.DataContext = PageInfo;
PageItems.Add(PageInfo);
Dispatcher.CurrentDispatcher.Invoke(() => (Application.Current.MainWindow as MainWindow).ListView_Page.SelectedIndex = PageItems.Count - 1);
//if (page is Pages.ProcessContainer)
//{
// throw new Exception((page as Pages.ProcessContainer).StPar.ToString());
//}
return(page);
}
public void GetShopExchangedApplyListTest()
{
//new Guid("FE410FFD-8BF0-4DEC-AC65-26F0FD8F0D58")
//var goods = new GoodsManager().GetGoodsSelectList("迷卡倾城灰彩色隐形眼镜");
//var goodsIds = goods.Select(act => new Guid(act.Key)).ToList();
var startTime = DateTime.Now.AddMonths(-6);
var endTime = DateTime.Now;
var totalList = _target.GetShopExchangedApplyList(false, string.Empty, startTime, endTime, new List <Guid>(), _shopId,
-1).ToList();
var tempList = totalList.Skip((1 - 1) * 5).Take(5).ToList();
var pageItems = new PageItems <ShopExchangedApplyInfo>(1, 5, totalList.Count,
tempList);
//IEnumerable<ShopExchangedApplyInfo> actual = _target.GetShopExchangedApplyList(false,
// string.Empty, startTime, endTime, goodsIds,Guid.Empty , -1);
Assert.IsTrue(pageItems != null && pageItems.Items.Any());
//Assert.Inconclusive("验证此测试方法的正确性。");
}
public async Task <IActionResult> ListByFirstLetter(string letter, int page = 1)
{
IQueryable <Aliment> reqAliments;
ViewBag.Letter = letter;
if (letter == null)
{
reqAliments = _context.Aliment.Include(a => a.IdFamilleNavigation);
}
else
{
reqAliments = _context.Aliment.Where(a => a.Nom.StartsWith(letter)).Include(a => a.IdFamilleNavigation);
}
var aliments = await PageItems <Aliment> .CreateAsync(reqAliments, page, 20);
return(View(aliments));
}
public void Sync(int dataTotal = -1)
{
if (dataTotal > -1)
{
this.DataTotal = dataTotal;
}
if (this.PageSize > 0)
{
this.PageTotal = DataTotal / this.PageSize;
if (DataTotal % this.PageSize > 0)
{
this.PageTotal++;
}
}
if (this.PageIndex <= 0)
{
this.PageIndex = 1;
}
if (this.PageTotal <= 0)
{
this.PageTotal = 1;
}
if (this.PageIndex > this.PageTotal)
{
this.PageIndex = this.PageTotal;
}
this.PageItems = new ObservableCollection <KeyValuePair <int, bool> >();
for (var i = 1; i <= this.PageTotal; i++)
{
PageItems.Add(new KeyValuePair <int, bool>(i, i != PageIndex));
}
IsFirst = PageIndex > 1;
IsLast = PageIndex < PageTotal;
}
/// <summary>
/// 替换Page
/// </summary>
/// <param name="uuid">目标Page的UUID</param>
/// <param name="page">替换成的Page，使用new Pages.xxx()初始化</param>
/// <param name="title">替换后的Page标题</param>
/// <returns>返回替换后的Page的位置</returns>
public static int ReplacePage(string uuid, Page page, string title)
{
//清除旧Page
pages[uuid].Content = null;
//创建新Page的信息
var PageInfo = new PageItemModel()
{
PageTitle = title, PageSource = page, uuid = uuid
};
page.DataContext = PageInfo;
int index = PageItems.IndexOf(PageItems.First(l => l.uuid == uuid));
PageItems[index] = PageInfo;
Dispatcher.CurrentDispatcher.Invoke(() =>
{
//(Application.Current.MainWindow as MainWindow).ListView_Page.Items[index] = PageInfo;
(Application.Current.MainWindow as MainWindow).ListView_Page.SelectedIndex = index;
});
GC.Collect();
//返回Page的Index
return(index);
}
/// <summary> /// 获取Page /// </summary> /// <param name="uuid">UUID</param> /// <returns>返回通过uuid找到的Page</returns> public static Page GetPage(string uuid) => PageItems.First(l => l.uuid == uuid).PageSource;
public FileFolder(string path)
{
Path = path;
Folders = new FolderItems(path);
Pages = new PageItems(path);
}
public async override void OnPageDeactivation(NavigatingCancelEventArgs e)
{
await Task.WhenAll(PageItems.Select(async p => await p.OnPageDeactivationAsync()));
base.OnPageDeactivation(e);
}
public async override void NavigatedTo()
{
await Task.WhenAll(PageItems.Select(p => p.UpdateAsync()));
}
