public void RefreshPaging(SearchSession session)
{
PagingStackPanel.Children.Clear();
var lastpage = session.LoadedPages?.LastOrDefault();
if (lastpage == null)
{
return;
}
LoadImages(lastpage.ImageItems);
StartDownloadShowImages();
for (var index = 0; index < session.LoadedPages.Count; index++)
{
var page = session.LoadedPages[index];
var hasnextpagestr = page.HasNextPage ? "有" : "无";
var button = new Button
{
Width = 32,
Height = 32,
Margin = new Thickness(3),
FontSize = 16,
Content = index + 1,
Template = (ControlTemplate)FindResource("MoeButtonControlTemplate"),
ToolTip = $"最后真实页码：{page.LastRealPageIndex}\r\n" +
$"预加载下一页图片数量：{page.PreLoadNextPageItems.Count}\r\n" +
$"是否有下一页：{hasnextpagestr}"
};
button.Click += (sender, args) =>
{
for (var i = 0; i < PagingStackPanel.Children.Count; i++)
{
var btn = (Button)PagingStackPanel.Children[i];
VisualStateManager.GoToState(btn, button.Equals(btn) ? "CurrentPage" : "NotCurrentPage", true);
if (button.Equals(btn))
{
session.CurrentPageIndex = i;
}
}
PagingScrollViewer.ScrollToTop();
LoadImages(page.ImageItems);
StartDownloadShowImages();
};
if (index == session.LoadedPages.Count - 1)
{
button.Loaded += (s, a) => VisualStateManager.GoToState(button, "CurrentPage", true);
}
PagingStackPanel.Children.Add(button);
}
PagingScrollViewer.ScrollToRightEnd();
VisualStateManager.GoToState(this, session.LoadedPages.Last().HasNextPage ? nameof(HasNextPageState) : nameof(NoNextPageState), true);
NewPageButtonNumTextBlock.Text = $"{session.LoadedPages.Count + 1}";
}
private void PagingStackPanelOnMouseWheel(object sender, MouseWheelEventArgs e)
{
if (e.Delta > 0)
{
PagingScrollViewer.LineLeft();
}
else if (e.Delta < 0)
{
PagingScrollViewer.LineRight();
}
}
