void OnListViewItemSelected(object sender, SelectedItemChangedEventArgs e)
{
DemoContentPage content = Detail as DemoContentPage;
if (content == null)
{
return;
}
ListView listView = sender as ListView;
if (listView == null)
{
return;
}
content.BindingContext = listView.SelectedItem;
DemoInfo selected = listView.SelectedItem as DemoInfo;
if (selected != null)
{
this.Detail.Title = selected.Title;
}
//this.IsPresented = true;
if (this.MasterBehavior != MasterBehavior.SplitOnLandscape)
{
this.IsPresented = false; // Show the detail page.
}
}
void UpdateContent()
{
try {
SwitchToSystemCulture();
} catch { }
DemoInfo info = BindingContext as DemoInfo;
if (info == null)
{
ClearChildren();
Title = String.Empty;
return;
}
//ClearChildren();
if (page != null && page is ContentPage)
{
((ContentPage)page).Content = null;
}
page = info.CreatePage();
AssignPageTitle(page, PageDemoName);
page.Icon = LoadPageIcon(DemoIcon);
/*
* ContentPage waitPage = new ContentPage();
* waitPage.InputTransparent = true;
* waitPage.BackgroundColor = Color.FromRgba(0, 0, 0, 64);
* Grid g = new Grid();
* g.Children.Add(new ActivityIndicator() { IsRunning = true, HorizontalOptions = LayoutOptions.Center, VerticalOptions = LayoutOptions.Center });
* waitPage.Content = g;
*
* await Navigation.PushModalAsync(waitPage, false);
*
* await System.Threading.Tasks.Task.Delay(1000);
*/
List <Page> pages = new List <Page>();
AddPage(pages, page);
if (!info.HideAdditionalPages)
{
AddPage(pages, CreateDescriptionPage(page, info));
AddPage(pages, CreateCSharpCodePage(page));
AddPage(pages, CreateXamlCodePage(page));
}
ReplacePages(pages);
//ISupportsStartFinish startFinish = page as ISupportsStartFinish;
//if (startFinish != null)
// startFinish.Start();
//await Navigation.PopModalAsync(false);
}
protected override void OnBindingContextChanged()
{
base.OnBindingContextChanged();
if (Device.RuntimePlatform == Device.iOS)
{
DemoInfo info = BindingContext as DemoInfo;
if (info != null)
{
if (!string.IsNullOrEmpty(info.ShortDescription))
{
Height = 80;
}
}
}
}
Page CreateDescriptionPage(Page demoPage, DemoInfo info)
{
if (info == null)
{
return(null);
}
HtmlViewerPage result = new HtmlViewerPage();
AssignPageTitle(result, PageDescriptionName);
result.ObtainSourceDelegate = () => {
string htmlString = LoadDescriptionHtml(demoPage, ".html");
if (String.IsNullOrEmpty(htmlString))
{
return(null);
}
return(new HtmlWebViewSource()
{
Html = ProcessHtmlString(htmlString)
});
};
result.Icon = LoadPageIcon(DescriptionIcon);
return(result);
}