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Diffstat (limited to 'Xamarin.Forms.Platform.WinRT/PageControl.xaml.cs')
-rw-r--r--Xamarin.Forms.Platform.WinRT/PageControl.xaml.cs166
1 files changed, 166 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/PageControl.xaml.cs b/Xamarin.Forms.Platform.WinRT/PageControl.xaml.cs
new file mode 100644
index 00000000..0991db42
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/PageControl.xaml.cs
@@ -0,0 +1,166 @@
+´╗┐using System.Threading.Tasks;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Platform.UWP
+#else
+
+namespace Xamarin.Forms.Platform.WinRT
+#endif
+{
+ public sealed partial class PageControl : IToolbarProvider
+ {
+ public static readonly DependencyProperty InvisibleBackButtonCollapsedProperty = DependencyProperty.Register("InvisibleBackButtonCollapsed", typeof(bool), typeof(PageControl),
+ new PropertyMetadata(true, OnInvisibleBackButtonCollapsedChanged));
+
+ public static readonly DependencyProperty ShowBackButtonProperty = DependencyProperty.Register("ShowBackButton", typeof(bool), typeof(PageControl),
+ new PropertyMetadata(false, OnShowBackButtonChanged));
+
+ public static readonly DependencyProperty ShowNavigationBarProperty = DependencyProperty.Register("ShowNavigationBar", typeof(bool), typeof(PageControl), new PropertyMetadata(true));
+
+ public static readonly DependencyProperty NavigationBarBackgroundProperty = DependencyProperty.Register("NavigationBarBackground", typeof(Brush), typeof(PageControl),
+ new PropertyMetadata(default(Brush)));
+
+ public static readonly DependencyProperty BackButtonTitleProperty = DependencyProperty.Register("BackButtonTitle", typeof(string), typeof(PageControl), new PropertyMetadata(false));
+
+ public static readonly DependencyProperty ContentMarginProperty = DependencyProperty.Register("ContentMargin", typeof(Windows.UI.Xaml.Thickness), typeof(PageControl),
+ new PropertyMetadata(default(Windows.UI.Xaml.Thickness)));
+
+ public static readonly DependencyProperty TitleInsetProperty = DependencyProperty.Register("TitleInset", typeof(double), typeof(PageControl), new PropertyMetadata(default(double)));
+
+ public static readonly DependencyProperty TitleBrushProperty = DependencyProperty.Register("TitleBrush", typeof(Brush), typeof(PageControl), new PropertyMetadata(null));
+
+ AppBarButton _backButton;
+ CommandBar _commandBar;
+
+ TaskCompletionSource<CommandBar> _commandBarTcs;
+ Windows.UI.Xaml.Controls.ContentPresenter _presenter;
+
+ public PageControl()
+ {
+ InitializeComponent();
+ }
+
+ public string BackButtonTitle
+ {
+ get { return (string)GetValue(BackButtonTitleProperty); }
+ set { SetValue(BackButtonTitleProperty, value); }
+ }
+
+ public double ContentHeight
+ {
+ get { return _presenter != null ? _presenter.ActualHeight : 0; }
+ }
+
+ public Windows.UI.Xaml.Thickness ContentMargin
+ {
+ get { return (Windows.UI.Xaml.Thickness)GetValue(ContentMarginProperty); }
+ set { SetValue(ContentMarginProperty, value); }
+ }
+
+ public double ContentWidth
+ {
+ get { return _presenter != null ? _presenter.ActualWidth : 0; }
+ }
+
+ public bool InvisibleBackButtonCollapsed
+ {
+ get { return (bool)GetValue(InvisibleBackButtonCollapsedProperty); }
+ set { SetValue(InvisibleBackButtonCollapsedProperty, value); }
+ }
+
+ public Brush NavigationBarBackground
+ {
+ get { return (Brush)GetValue(NavigationBarBackgroundProperty); }
+ set { SetValue(NavigationBarBackgroundProperty, value); }
+ }
+
+ public bool ShowBackButton
+ {
+ get { return (bool)GetValue(ShowBackButtonProperty); }
+ set { SetValue(ShowBackButtonProperty, value); }
+ }
+
+ public bool ShowNavigationBar
+ {
+ get { return (bool)GetValue(ShowNavigationBarProperty); }
+ set { SetValue(ShowNavigationBarProperty, value); }
+ }
+
+ public Brush TitleBrush
+ {
+ get { return (Brush)GetValue(TitleBrushProperty); }
+ set { SetValue(TitleBrushProperty, value); }
+ }
+
+ public double TitleInset
+ {
+ get { return (double)GetValue(TitleInsetProperty); }
+ set { SetValue(TitleInsetProperty, value); }
+ }
+
+ Task<CommandBar> IToolbarProvider.GetCommandBarAsync()
+ {
+ if (_commandBar != null)
+ return Task.FromResult(_commandBar);
+
+ _commandBarTcs = new TaskCompletionSource<CommandBar>();
+ ApplyTemplate();
+ return _commandBarTcs.Task;
+ }
+
+ public event RoutedEventHandler BackClicked;
+
+ protected override void OnApplyTemplate()
+ {
+ base.OnApplyTemplate();
+
+ _backButton = GetTemplateChild("backButton") as AppBarButton;
+ if (_backButton != null)
+ _backButton.Click += OnBackClicked;
+
+ _presenter = GetTemplateChild("presenter") as Windows.UI.Xaml.Controls.ContentPresenter;
+
+ _commandBar = GetTemplateChild("CommandBar") as CommandBar;
+
+ TaskCompletionSource<CommandBar> tcs = _commandBarTcs;
+ if (tcs != null)
+ {
+ tcs.SetResult(_commandBar);
+ }
+ }
+
+ void OnBackClicked(object sender, RoutedEventArgs e)
+ {
+ RoutedEventHandler clicked = BackClicked;
+ if (clicked != null)
+ clicked(this, e);
+ }
+
+ static void OnInvisibleBackButtonCollapsedChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
+ {
+ ((PageControl)dependencyObject).UpdateBackButton();
+ }
+
+ static void OnShowBackButtonChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
+ {
+ ((PageControl)dependencyObject).UpdateBackButton();
+ }
+
+ void UpdateBackButton()
+ {
+ if (_backButton == null)
+ return;
+
+ if (ShowBackButton)
+ _backButton.Visibility = Visibility.Visible;
+ else
+ _backButton.Visibility = InvisibleBackButtonCollapsed ? Visibility.Collapsed : Visibility.Visible;
+
+ _backButton.Opacity = ShowBackButton ? 1 : 0;
+ }
+ }
+} \ No newline at end of file