public static UIElement ConvertPageToUIElement(this Page page, WpfApplicationPage applicationPage)
{
var application = new DefaultApplication();
application.MainPage = page;
var result = new Platform(applicationPage);
result.SetPage(page);
return(result.GetCanvas());
}
internal Platform(WpfApplicationPage page)
{
_tracker.SeparateMasterDetail = true;
page.BackKeyPress += OnBackKeyPress;
_page = page;
_renderer = new Canvas();
_renderer.SizeChanged += RendererSizeChanged;
_renderer.Loaded += (sender, args) => UpdateSystemTray();
_tracker.CollectionChanged += (sender, args) => UpdateToolbarItems();
ProgressIndicator indicator;
SystemTray.SetProgressIndicator(page, indicator = new ProgressIndicator {
IsVisible = false, IsIndeterminate = true
});
var busyCount = 0;
MessagingCenter.Subscribe(this, Page.BusySetSignalName, (Page sender, bool enabled) =>
{
busyCount = Math.Max(0, enabled ? busyCount + 1 : busyCount - 1);
indicator.IsVisible = busyCount > 0;
});
MessagingCenter.Subscribe(this, Page.AlertSignalName, (Page sender, AlertArguments arguments) =>
{
var messageBox = new CustomMessageBox {
Title = arguments.Title, Message = arguments.Message
};
if (arguments.Accept != null)
{
messageBox.LeftButtonContent = arguments.Accept;
}
messageBox.RightButtonContent = arguments.Cancel;
messageBox.Show();
_visibleMessageBox = messageBox;
messageBox.Dismissed += (o, args) =>
{
arguments.SetResult(args.Result == CustomMessageBoxResult.LeftButton);
_visibleMessageBox = null;
};
});
MessagingCenter.Subscribe(this, Page.ActionSheetSignalName, (Page sender, ActionSheetArguments arguments) =>
{
var messageBox = new CustomMessageBox {
Title = arguments.Title
};
var listBox = new ListBox {
FontSize = 36, Margin = new System.Windows.Thickness(12)
};
var itemSource = new List <string>();
if (!string.IsNullOrWhiteSpace(arguments.Destruction))
{
itemSource.Add(arguments.Destruction);
}
itemSource.AddRange(arguments.Buttons);
if (!string.IsNullOrWhiteSpace(arguments.Cancel))
{
itemSource.Add(arguments.Cancel);
}
listBox.ItemsSource = itemSource.Select(s => new TextBlock {
Text = s, Margin = new System.Windows.Thickness(0, 12, 0, 12)
});
messageBox.Content = listBox;
listBox.SelectionChanged += (o, args) => messageBox.Dismiss();
messageBox.Dismissed += (o, args) =>
{
string result = listBox.SelectedItem != null ? ((TextBlock)listBox.SelectedItem).Text : null;
arguments.SetResult(result);
_visibleMessageBox = null;
};
messageBox.Show();
_visibleMessageBox = messageBox;
});
}
