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BarBackgroundColor and BarTextColor on TabbedPage (#96) 

* [Core] Add properties to TabbedPage

* [Controls] Add properties to test page

* [iOS] Added BarBackgroundColor & BarTextColor to TabbedPage

* [A] Added BarBackgroundColor & BarTextColor to TabbedPage

* [UWP] Added BarBackgroundColor & BarTextColor to TabbedPage

* [WinRT] Format file

* [WinRT] Added BarBackgroundColor & BarTextColor to TabbedPage

* [Docs] Updated docs
This commit is contained in:
Samantha Houts 2016-04-18 09:46:51 -07:00 коммит произвёл Jason Smith
Родитель fc05a57e9d
Коммит 75f1124002
13 изменённых файлов: 413 добавлений и 87 удалений
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21
Xamarin.Forms.Controls/CoreGallery.cs
Просмотреть файл

@ -78,40 +78,45 @@ namespace Xamarin.Forms.Controls
{
protected override void Init ()
{
}
#if APP
public CoreTabbedPage ()
{
AutomationId = "TabbedPageRoot";
Children.Add (new CoreRootPage (this, NavigationBehavior.PushModalAsync) { Title = "Tab 1" });
Children.Add (new CoreRootPage (this, NavigationBehavior.PushModalAsync) { Title = "Tab 2" });
BarBackgroundColor = Color.Maroon;
BarTextColor = Color.White;
Children.Add(new CoreRootPage(this, NavigationBehavior.PushModalAsync) { Title = "Tab 1" });
Children.Add(new CoreRootPage(this, NavigationBehavior.PushModalAsync) { Title = "Tab 2" });
Children.Add(new NavigationPage(new Page())
{
Title = "Rubriques",
Icon = "coffee.png",
BarBackgroundColor = Color.Blue
});
Children.Add(new NavigationPage(new Page())
{
Title = "Le Club",
Title = "Le Club"
});
Children.Add(new NavigationPage(new Page{Title = "Bookmarks"})
Children.Add(new NavigationPage(new Page { Title = "Bookmarks" })
{
Title = "Bookmarks",
});
Children.Add(new NavigationPage(new Page() { Title = "Alertes" })
Children.Add(new NavigationPage(new Page { Title = "Alertes" })
{
Title = "Notifications",
});
Children.Add(new NavigationPage (new Page(){Title = "My account"})
Children.Add(new NavigationPage(new Page { Title = "My account" })
{
Title = "My account",
});
Children.Add(new NavigationPage(new Page(){Title = "About"})
Children.Add(new NavigationPage(new Page { Title = "About" })
{
Title = "About",
});

28
Xamarin.Forms.Core/TabbedPage.cs
Просмотреть файл

@ -5,6 +5,34 @@ namespace Xamarin.Forms
[RenderWith(typeof(_TabbedPageRenderer))]
public class TabbedPage : MultiPage<Page>
{
public static readonly BindableProperty BarBackgroundColorProperty = BindableProperty.Create(nameof(BarBackgroundColor), typeof(Color), typeof(TabbedPage), Color.Default);
public static readonly BindableProperty BarTextColorProperty = BindableProperty.Create(nameof(BarTextColor), typeof(Color), typeof(TabbedPage), Color.Default);
public Color BarBackgroundColor
{
get
{
return (Color)GetValue(BarBackgroundColorProperty);
}
set
{
SetValue(BarBackgroundColorProperty, value);
}
}
public Color BarTextColor
{
get
{
return (Color)GetValue(BarTextColorProperty);
}
set
{
SetValue(BarTextColorProperty, value);
}
}
protected override Page CreateDefault(object item)
{
var page = new Page();

54
Xamarin.Forms.Platform.Android/AppCompat/TabbedPageRenderer.cs
Просмотреть файл

@ -2,6 +2,9 @@ using System;
using System.Collections.Specialized;
using System.ComponentModel;
using Android.Content;
using Android.Content.Res;
using Android.Graphics;
using Android.Graphics.Drawables;
using Android.OS;
using Android.Runtime;
using Android.Support.Design.Widget;
@ -13,6 +16,7 @@ namespace Xamarin.Forms.Platform.Android.AppCompat
{
public class TabbedPageRenderer : VisualElementRenderer<TabbedPage>, TabLayout.IOnTabSelectedListener, ViewPager.IOnPageChangeListener, IManageFragments
{
Drawable _backgroundDrawable;
bool _disposed;
FragmentManager _fragmentManager;
TabLayout _tabLayout;
@ -149,7 +153,7 @@ namespace Xamarin.Forms.Platform.Android.AppCompat
tabs = _tabLayout = new TabLayout(activity) { TabMode = TabLayout.ModeFixed, TabGravity = TabLayout.GravityFill };
FormsViewPager pager =
_viewPager =
new FormsViewPager(activity)
new FormsViewPager(activity)
{
OverScrollMode = OverScrollMode.Never,
EnableGesture = UseAnimations,
@ -173,6 +177,8 @@ namespace Xamarin.Forms.Platform.Android.AppCompat
UpdateIgnoreContainerAreas();
tabbedPage.InternalChildren.CollectionChanged += OnChildrenCollectionChanged;
UpdateBarBackgroundColor();
UpdateBarTextColor();
}
}
@ -180,8 +186,12 @@ namespace Xamarin.Forms.Platform.Android.AppCompat
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == "CurrentPage")
if (e.PropertyName == nameof(TabbedPage.CurrentPage))
ScrollToCurrentPage();
else if (e.PropertyName == NavigationPage.BarBackgroundColorProperty.PropertyName)
UpdateBarBackgroundColor();
else if (e.PropertyName == NavigationPage.BarTextColorProperty.PropertyName)
UpdateBarTextColor();
}
protected override void OnLayout(bool changed, int l, int t, int r, int b)
@ -318,5 +328,45 @@ namespace Xamarin.Forms.Platform.Android.AppCompat
tab.SetIcon(ResourceManager.IdFromTitle(icon, ResourceManager.DrawableClass));
}
}
void UpdateBarBackgroundColor()
{
if (_disposed || _tabLayout == null)
return;
Color tintColor = Element.BarBackgroundColor;
if (Forms.IsLollipopOrNewer)
{
if (tintColor.IsDefault)
_tabLayout.BackgroundTintMode = null;
else
{
_tabLayout.BackgroundTintMode = PorterDuff.Mode.Src;
_tabLayout.BackgroundTintList = ColorStateList.ValueOf(tintColor.ToAndroid());
}
}
else
{
if (tintColor.IsDefault && _backgroundDrawable != null)
_tabLayout.SetBackground(_backgroundDrawable);
else if (!tintColor.IsDefault)
{
if (_backgroundDrawable == null)
_backgroundDrawable = _tabLayout.Background;
_tabLayout.SetBackgroundColor(tintColor.ToAndroid());
}
}
}
private void UpdateBarTextColor()
{
if (_disposed || _tabLayout == null)
return;
var textColor = Element.BarTextColor.ToAndroid().ToArgb();
_tabLayout.SetTabTextColors(textColor, textColor);
}
}
}

8
Xamarin.Forms.Platform.UAP/Resources.xaml
Просмотреть файл

@ -238,7 +238,9 @@
<Setter Property="ContentTemplate">
<Setter.Value>
<DataTemplate>
<TextBlock Text="{Binding}" Margin="10,0,0,0" VerticalAlignment="Center" Style="{ThemeResource TitleTextBlockStyle}" />
<Grid Background="{Binding ToolbarBackground}">
<TextBlock Text="{Binding}" Margin="10,0,0,0" VerticalAlignment="Center" Style="{ThemeResource TitleTextBlockStyle}" Foreground="{Binding ToolbarForeground}" />
</Grid>
</DataTemplate>
</Setter.Value>
</Setter>
@ -471,7 +473,7 @@
<Setter Property="HeaderTemplate">
<Setter.Value>
<DataTemplate>
<TextBlock Text="{Binding Title}" Style="{ThemeResource BodyTextBlockStyle}" />
<TextBlock Text="{Binding Title}" Foreground="{Binding ToolbarForeground}" Style="{ThemeResource BodyTextBlockStyle}" />
</DataTemplate>
</Setter.Value>
</Setter>
@ -616,7 +618,7 @@
<ContentControl.Clip>
<RectangleGeometry x:Name="HeaderClipperGeometry"/>
</ContentControl.Clip>
<Grid Background="Transparent">
<Grid Background="{TemplateBinding ToolbarBackground}">
<PivotHeaderPanel x:Name="StaticHeader" Visibility="Collapsed"/>
<PivotHeaderPanel x:Name="Header">
<PivotHeaderPanel.RenderTransform>

45
Xamarin.Forms.Platform.UAP/TabbedPageRenderer.cs
Просмотреть файл

@ -15,7 +15,7 @@ namespace Xamarin.Forms.Platform.UWP
{
Loaded += TabbedPagePresenter_Loaded;
Unloaded += TabbedPagePresenter_Unloaded;
SizeChanged += (s, e) =>
SizeChanged += (s, e) =>
{
if (ActualWidth > 0 && ActualHeight > 0)
{
@ -44,7 +44,7 @@ namespace Xamarin.Forms.Platform.UWP
bool _showTitle;
VisualElementTracker<Page, Pivot> _tracker;
public Pivot Control { get; private set; }
public FormsPivot Control { get; private set; }
public TabbedPage Element { get; private set; }
@ -157,7 +157,7 @@ namespace Xamarin.Forms.Platform.UWP
{
if (Control == null)
{
Control = new FormsPivot { Style = (Windows.UI.Xaml.Style)Windows.UI.Xaml.Application.Current.Resources["TabbedPageStyle"] };
Control = new FormsPivot { Style = (Windows.UI.Xaml.Style)Windows.UI.Xaml.Application.Current.Resources["TabbedPageStyle"], };
Control.SelectionChanged += OnSelectionChanged;
@ -170,6 +170,8 @@ namespace Xamarin.Forms.Platform.UWP
Control.DataContext = Element;
OnPagesChanged(Element.Children, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
UpdateCurrentPage();
UpdateBarTextColor();
UpdateBarBackgroundColor();
((INotifyCollectionChanged)Element.Children).CollectionChanged += OnPagesChanged;
element.PropertyChanged += OnElementPropertyChanged;
@ -178,6 +180,7 @@ namespace Xamarin.Forms.Platform.UWP
Control.SetValue(AutomationProperties.AutomationIdProperty, element.AutomationId);
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
@ -201,8 +204,13 @@ namespace Xamarin.Forms.Platform.UWP
void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "CurrentPage")
if (e.PropertyName == nameof(TabbedPage.CurrentPage))
UpdateCurrentPage();
else if (e.PropertyName == TabbedPage.BarTextColorProperty.PropertyName)
UpdateBarTextColor();
else if (e.PropertyName == TabbedPage.BarBackgroundColorProperty.PropertyName)
UpdateBarBackgroundColor();
}
void OnLoaded(object sender, RoutedEventArgs args)
@ -243,6 +251,32 @@ namespace Xamarin.Forms.Platform.UWP
Element.SendDisappearing();
}
Brush GetBarBackgroundBrush()
{
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["SystemControlBackgroundChromeMediumLowBrush"];
if (Element.BarBackgroundColor.IsDefault && defaultColor != null)
return (Brush)defaultColor;
return Element.BarBackgroundColor.ToBrush();
}
Brush GetBarForegroundBrush()
{
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["ApplicationForegroundThemeBrush"];
if (Element.BarTextColor.IsDefault)
return (Brush)defaultColor;
return Element.BarTextColor.ToBrush();
}
void UpdateBarBackgroundColor()
{
Control.ToolbarBackground = GetBarBackgroundBrush();
}
void UpdateBarTextColor()
{
Control.ToolbarForeground = GetBarForegroundBrush();
}
void UpdateBarVisibility()
{
(Control as FormsPivot).ToolbarVisibility = _showTitle ? Visibility.Visible : Visibility.Collapsed;
@ -255,6 +289,9 @@ namespace Xamarin.Forms.Platform.UWP
var nav = page as NavigationPage;
((ITitleProvider)this).ShowTitle = nav != null;
UpdateBarTextColor();
UpdateBarBackgroundColor();
if (page == null)
return;

4
Xamarin.Forms.Platform.WinRT.Phone/PhoneResources.xaml
Просмотреть файл

@ -242,7 +242,7 @@
<Setter Property="HeaderTemplate">
<Setter.Value>
<DataTemplate>
<TextBlock Text="{Binding Title}" />
<TextBlock Text="{Binding Title}" Foreground="{TemplateBinding ToolbarForeground}" />
</DataTemplate>
</Setter.Value>
</Setter>
@ -281,7 +281,7 @@
</Grid>
<ScrollViewer x:Name="ScrollViewer" HorizontalSnapPointsAlignment="Center" HorizontalSnapPointsType="MandatorySingle" HorizontalScrollBarVisibility="Hidden" Margin="{TemplateBinding Padding}" Grid.Row="1" Template="{StaticResource ScrollViewerScrollBarlessTemplate}" VerticalSnapPointsType="None" VerticalScrollBarVisibility="Disabled" VerticalScrollMode="Disabled" VerticalContentAlignment="Stretch" ZoomMode="Disabled">
<PivotPanel x:Name="Panel" VerticalAlignment="Stretch">
<PivotHeaderPanel x:Name="Header">
<PivotHeaderPanel x:Name="Header" Background="{TemplateBinding ToolbarBackground}">
<PivotHeaderPanel.RenderTransform>
<CompositeTransform x:Name="HeaderTranslateTransform" TranslateX="0"/>
</PivotHeaderPanel.RenderTransform>

163
Xamarin.Forms.Platform.WinRT.Phone/TabbedPageRenderer.cs
Просмотреть файл

@ -8,14 +8,15 @@ using Windows.UI.Xaml.Media;
namespace Xamarin.Forms.Platform.WinRT
{
internal class TabbedPagePresenter : Windows.UI.Xaml.Controls.ContentPresenter
internal class TabbedPagePresenter : Windows.UI.Xaml.Controls.ContentPresenter
{
public TabbedPagePresenter ()
public TabbedPagePresenter()
{
SizeChanged += (s, e) => {
if (ActualWidth > 0 && ActualHeight > 0) {
var tab = ((Page) DataContext);
((TabbedPage) tab.RealParent).ContainerArea = new Rectangle (0, 0, ActualWidth, ActualHeight);
if (ActualWidth > 0 && ActualHeight > 0)
{
var tab = ((Page)DataContext);
((TabbedPage)tab.RealParent).ContainerArea = new Rectangle(0, 0, ActualWidth, ActualHeight);
}
};
}
@ -36,7 +37,7 @@ namespace Xamarin.Forms.Platform.WinRT
get { return Element; }
}
public Pivot Control
public FormsPivot Control
{
get;
private set;
@ -48,31 +49,34 @@ namespace Xamarin.Forms.Platform.WinRT
private set;
}
public void SetElement (VisualElement element)
public void SetElement(VisualElement element)
{
if (element != null && !(element is TabbedPage))
throw new ArgumentException ("Element must be a TabbedPage", "element");
throw new ArgumentException("Element must be a TabbedPage", "element");
TabbedPage oldElement = Element;
Element = (TabbedPage) element;
Element = (TabbedPage)element;
if (oldElement != null) {
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
((INotifyCollectionChanged) oldElement.Children).CollectionChanged -= OnPagesChanged;
((INotifyCollectionChanged)oldElement.Children).CollectionChanged -= OnPagesChanged;
}
if (element != null) {
if (Control == null) {
if (element != null)
{
if (Control == null)
{
Control = new FormsPivot {
Style = (Windows.UI.Xaml.Style) Windows.UI.Xaml.Application.Current.Resources["TabbedPageStyle"]
Style = (Windows.UI.Xaml.Style)Windows.UI.Xaml.Application.Current.Resources["TabbedPageStyle"]
};
Control.HeaderTemplate = (Windows.UI.Xaml.DataTemplate)Windows.UI.Xaml.Application.Current.Resources["TabbedPageHeader"];
Control.ItemTemplate = (Windows.UI.Xaml.DataTemplate)Windows.UI.Xaml.Application.Current.Resources["TabbedPage"];
Control.SelectionChanged += OnSelectionChanged;
Tracker = new BackgroundTracker<Pivot> (Windows.UI.Xaml.Controls.Control.BackgroundProperty) {
Element = (Page) element,
Tracker = new BackgroundTracker<Pivot>(Windows.UI.Xaml.Controls.Control.BackgroundProperty) {
Element = (Page)element,
Control = Control,
Container = Control
};
@ -82,22 +86,24 @@ namespace Xamarin.Forms.Platform.WinRT
}
Control.DataContext = Element;
OnPagesChanged (Element.Children, new NotifyCollectionChangedEventArgs (NotifyCollectionChangedAction.Reset));
UpdateCurrentPage ();
((INotifyCollectionChanged) Element.Children).CollectionChanged += OnPagesChanged;
OnPagesChanged(Element.Children, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
UpdateCurrentPage();
UpdateBarTextColor();
UpdateBarBackgroundColor();
((INotifyCollectionChanged)Element.Children).CollectionChanged += OnPagesChanged;
element.PropertyChanged += OnElementPropertyChanged;
if (!string.IsNullOrEmpty (element.AutomationId))
Control.SetValue (AutomationProperties.AutomationIdProperty, element.AutomationId);
if (!string.IsNullOrEmpty(element.AutomationId))
Control.SetValue(AutomationProperties.AutomationIdProperty, element.AutomationId);
}
OnElementChanged (new VisualElementChangedEventArgs (oldElement, element));
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
public SizeRequest GetDesiredSize (double widthConstraint, double heightConstraint)
public SizeRequest GetDesiredSize(double widthConstraint, double heightConstraint)
{
var constraint = new Windows.Foundation.Size (widthConstraint, heightConstraint);
var constraint = new Windows.Foundation.Size(widthConstraint, heightConstraint);
var oldWidth = Control.Width;
var oldHeight = Control.Height;
@ -105,27 +111,27 @@ namespace Xamarin.Forms.Platform.WinRT
Control.Height = double.NaN;
Control.Width = double.NaN;
Control.Measure (constraint);
var result = new Size (Math.Ceiling (Control.DesiredSize.Width), Math.Ceiling (Control.DesiredSize.Height));
Control.Measure(constraint);
var result = new Size(Math.Ceiling(Control.DesiredSize.Width), Math.Ceiling(Control.DesiredSize.Height));
Control.Width = oldWidth;
Control.Height = oldHeight;
return new SizeRequest (result);
return new SizeRequest(result);
}
public void Dispose ()
public void Dispose()
{
Dispose (true);
Dispose(true);
}
protected virtual void Dispose (bool disposing)
protected virtual void Dispose(bool disposing)
{
if (!disposing || _disposed)
return;
_disposed = true;
SetElement (null);
SetElement(null);
Tracker = null;
}
@ -140,8 +146,9 @@ namespace Xamarin.Forms.Platform.WinRT
if (_tracker == value)
return;
if (_tracker != null) {
_tracker.Dispose ();
if (_tracker != null)
{
_tracker.Dispose();
/*this.tracker.Updated -= OnTrackerUpdated;*/
}
@ -151,8 +158,8 @@ namespace Xamarin.Forms.Platform.WinRT
this.tracker.Updated += OnTrackerUpdated;*/
}
}
bool ITitleProvider.ShowTitle
bool ITitleProvider.ShowTitle
{
get
{
@ -164,12 +171,12 @@ namespace Xamarin.Forms.Platform.WinRT
if (_showTitle == value)
return;
_showTitle = value;
(Control as FormsPivot).ToolbarVisibility = _showTitle ? Visibility.Visible : Visibility.Collapsed;
}
}
string ITitleProvider.Title
string ITitleProvider.Title
{
get
{
@ -199,86 +206,118 @@ namespace Xamarin.Forms.Platform.WinRT
}
}
protected virtual void OnElementChanged (VisualElementChangedEventArgs e)
protected virtual void OnElementChanged(VisualElementChangedEventArgs e)
{
var changed = ElementChanged;
if (changed != null)
changed (this, e);
changed(this, e);
}
bool _disposed;
VisualElementTracker<Page, Pivot> _tracker;
bool _showTitle;
void OnPagesChanged (object sender, NotifyCollectionChangedEventArgs e)
void OnPagesChanged(object sender, NotifyCollectionChangedEventArgs e)
{
e.Apply (Element.Children, Control.Items);
e.Apply(Element.Children, Control.Items);
// Potential performance issue, UpdateLayout () is called for every page change
Control.UpdateLayout ();
Control.UpdateLayout();
}
void OnSelectionChanged (object sender, SelectionChangedEventArgs e)
void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (Element == null)
return;
Page page = (e.AddedItems.Count > 0) ? (Page) e.AddedItems[0] : null;
Page page = (e.AddedItems.Count > 0) ? (Page)e.AddedItems[0] : null;
Element.CurrentPage = page;
}
void OnElementPropertyChanged (object sender, PropertyChangedEventArgs e)
void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "CurrentPage")
UpdateCurrentPage ();
if (e.PropertyName == nameof(TabbedPage.CurrentPage))
UpdateCurrentPage();
else if (e.PropertyName == TabbedPage.BarTextColorProperty.PropertyName)
UpdateBarTextColor();
else if (e.PropertyName == TabbedPage.BarBackgroundColorProperty.PropertyName)
UpdateBarBackgroundColor();
}
void UpdateCurrentPage ()
void UpdateCurrentPage()
{
Page page = Element.CurrentPage;
UpdateTitle (page);
UpdateTitle(page);
if (page == null)
return;
Control.SelectedItem = page;
}
void OnLoaded (object sender, RoutedEventArgs args)
void OnLoaded(object sender, RoutedEventArgs args)
{
if (Element == null)
return;
Element.SendAppearing ();
Element.SendAppearing();
}
void OnUnloaded (object sender, RoutedEventArgs args)
void OnUnloaded(object sender, RoutedEventArgs args)
{
if (Element == null)
return;
Element.SendDisappearing ();
Element.SendDisappearing();
}
void OnTrackerUpdated (object sender, EventArgs e)
void OnTrackerUpdated(object sender, EventArgs e)
{
}
void UpdateTitle (Page child)
Brush GetBarBackgroundBrush()
{
Control.ClearValue (Pivot.TitleProperty);
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["AppBarBackgroundThemeBrush"];
if (Element.BarBackgroundColor.IsDefault && defaultColor != null)
return (Brush)defaultColor;
return Element.BarBackgroundColor.ToBrush();
}
Brush GetBarForegroundBrush()
{
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["AppBarItemForegroundThemeBrush"];
if (Element.BarTextColor.IsDefault)
return (Brush)defaultColor;
return Element.BarTextColor.ToBrush();
}
void UpdateBarBackgroundColor()
{
Control.ToolbarBackground = GetBarBackgroundBrush();
}
void UpdateBarTextColor()
{
Control.ToolbarForeground = GetBarForegroundBrush();
}
void UpdateTitle(Page child)
{
Control.ClearValue(Pivot.TitleProperty);
if (child == null)
return;
var renderer = Platform.GetRenderer (child);
var renderer = Platform.GetRenderer(child);
var navigationRenderer = renderer as NavigationPageRenderer;
if (navigationRenderer != null) {
if (navigationRenderer != null)
{
Control.Title = navigationRenderer.Title;
} else {
((ITitleProvider) this).ShowTitle = false;
}
else {
((ITitleProvider)this).ShowTitle = false;
}
}
}
}

35
Xamarin.Forms.Platform.WinRT.Tablet/TabbedPageRenderer.cs
Просмотреть файл

@ -3,6 +3,7 @@ using System.Collections.Specialized;
using System.ComponentModel;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Animation;
namespace Xamarin.Forms.Platform.WinRT
@ -87,6 +88,8 @@ namespace Xamarin.Forms.Platform.WinRT
OnPagesChanged(Page.Children, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
UpdateCurrentPage();
UpdateBarTextColor();
UpdateBarBackgroundColor();
((INotifyCollectionChanged)Page.Children).CollectionChanged += OnPagesChanged;
element.PropertyChanged += OnElementPropertyChanged;
@ -95,6 +98,22 @@ namespace Xamarin.Forms.Platform.WinRT
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
Brush GetBarBackgroundBrush()
{
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["ApplicationPageBackgroundThemeBrush"];
if (Page.BarBackgroundColor.IsDefault && defaultColor != null)
return (Brush)defaultColor;
return Page.BarBackgroundColor.ToBrush();
}
Brush GetBarForegroundBrush()
{
object defaultColor = Windows.UI.Xaml.Application.Current.Resources["ApplicationForegroundThemeBrush"];
if (Page.BarTextColor.IsDefault)
return (Brush)defaultColor;
return Page.BarTextColor.ToBrush();
}
public SizeRequest GetDesiredSize(double widthConstraint, double heightConstraint)
{
if (_canvas.Children.Count == 0)
@ -153,8 +172,22 @@ namespace Xamarin.Forms.Platform.WinRT
void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "CurrentPage")
if (e.PropertyName == nameof(TabbedPage.CurrentPage))
UpdateCurrentPage();
else if (e.PropertyName == TabbedPage.BarTextColorProperty.PropertyName)
UpdateBarTextColor();
else if (e.PropertyName == TabbedPage.BarBackgroundColorProperty.PropertyName)
UpdateBarBackgroundColor();
}
void UpdateBarBackgroundColor()
{
_tabs.Background = GetBarBackgroundBrush();
}
void UpdateBarTextColor()
{
_tabs.Foreground = GetBarForegroundBrush();
}
void UpdateCurrentPage()

4
Xamarin.Forms.Platform.WinRT.Tablet/TabletResources.xaml
Просмотреть файл

@ -250,7 +250,7 @@
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<StackPanel Orientation="Horizontal" Margin="0,11,0,0" />
<StackPanel Orientation="Horizontal" Margin="0,11,0,0" Background="{TemplateBinding ToolbarBackground}" />
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
@ -261,7 +261,7 @@
<StackPanel VerticalAlignment="Bottom">
<Image DataContext="{Binding Icon, Converter={StaticResource ImageConverter}}" Source="{Binding Value}" HorizontalAlignment="Left" />
<TextBlock Margin="0,15,0,15" Text="{Binding Title, Converter={StaticResource UpperConverter}}"
Style="{ThemeResource CaptionTextBlockStyle}" FontWeight="SemiBold" Foreground="{ThemeResource AppBarItemForegroundThemeBrush}" HorizontalAlignment="Left" />
Style="{ThemeResource CaptionTextBlockStyle}" FontWeight="SemiBold" Foreground="{TemplateBinding ToolbarForeground}" HorizontalAlignment="Left" />
</StackPanel>
</local:TabButton>
</DataTemplate>

16
Xamarin.Forms.Platform.WinRT.Tablet/TabsControl.cs
Просмотреть файл

@ -1,6 +1,7 @@
using System;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
namespace Xamarin.Forms.Platform.WinRT
{
@ -46,5 +47,20 @@ namespace Xamarin.Forms.Platform.WinRT
public class TabsControl
: ItemsControl
{
public static readonly DependencyProperty ToolbarForegroundProperty = DependencyProperty.Register(nameof(ToolbarForeground), typeof(Brush), typeof(TabsControl), new PropertyMetadata(default(Brush)));
public static readonly DependencyProperty ToolbarBackgroundProperty = DependencyProperty.Register(nameof(ToolbarBackground), typeof(Brush), typeof(TabsControl), new PropertyMetadata(default(Brush)));
public Brush ToolbarBackground
{
get { return (Brush)GetValue(ToolbarBackgroundProperty); }
set { SetValue(ToolbarBackgroundProperty, value); }
}
public Brush ToolbarForeground
{
get { return (Brush)GetValue(ToolbarForegroundProperty); }
set { SetValue(ToolbarForegroundProperty, value); }
}
}
}

4
Xamarin.Forms.Platform.iOS/Renderers/NavigationRenderer.cs
Просмотреть файл

@ -594,6 +594,8 @@ namespace Xamarin.Forms.Platform.iOS
{
var titleAttributes = new UIStringAttributes();
titleAttributes.Font = globalAttributes.Font;
// TODO: the ternary if statement here will always return false because of the encapsulating if statement.
// What was the intention?
titleAttributes.ForegroundColor = barTextColor == Color.Default
? titleAttributes.ForegroundColor ?? UINavigationBar.Appearance.TintColor
: barTextColor.ToUIColor();
@ -640,7 +642,7 @@ namespace Xamarin.Forms.Platform.iOS
{
containerController.NavigationItem.LeftBarButtonItem =
new UIBarButtonItem(new UIImage(_parentMasterDetailPage.Master.Icon), UIBarButtonItemStyle.Plain,
(o, e) => _parentMasterDetailPage.IsPresented = !_parentMasterDetailPage.IsPresented);
(o, e) => _parentMasterDetailPage.IsPresented = !_parentMasterDetailPage.IsPresented);
}
catch (Exception)
{

55
Xamarin.Forms.Platform.iOS/Renderers/TabbedRenderer.cs
Просмотреть файл

@ -74,6 +74,9 @@ namespace Xamarin.Forms.Platform.iOS
//disable edit/reorder of tabs
CustomizableViewControllers = null;
UpdateBarBackgroundColor();
UpdateBarTextColor();
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
}
@ -227,7 +230,7 @@ namespace Xamarin.Forms.Platform.iOS
void OnPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "CurrentPage")
if (e.PropertyName == nameof(TabbedPage.CurrentPage))
{
var current = Tabbed.CurrentPage;
if (current == null)
@ -239,6 +242,10 @@ namespace Xamarin.Forms.Platform.iOS
SelectedViewController = controller;
}
else if (e.PropertyName == TabbedPage.BarBackgroundColorProperty.PropertyName)
UpdateBarBackgroundColor();
else if (e.PropertyName == TabbedPage.BarTextColorProperty.PropertyName)
UpdateBarTextColor();
}
void Reset()
@ -292,6 +299,52 @@ namespace Xamarin.Forms.Platform.iOS
Platform.SetRenderer(page, null);
}
void UpdateBarBackgroundColor()
{
if (Tabbed == null || TabBar == null)
return;
var barBackgroundColor = Tabbed.BarBackgroundColor;
if (Forms.IsiOS7OrNewer)
{
TabBar.BarTintColor = barBackgroundColor == Color.Default ? UINavigationBar.Appearance.BarTintColor : barBackgroundColor.ToUIColor();
}
else
{
TabBar.TintColor = barBackgroundColor == Color.Default ? UINavigationBar.Appearance.TintColor : barBackgroundColor.ToUIColor();
}
}
void UpdateBarTextColor()
{
if (Tabbed == null || TabBar == null || TabBar.Items == null)
return;
var barTextColor = Tabbed.BarTextColor;
var globalAttributes = UINavigationBar.Appearance.GetTitleTextAttributes();
var attributes = new UITextAttributes { Font = globalAttributes.Font };
if (barTextColor == Color.Default)
attributes.TextColor = globalAttributes.TextColor;
else
attributes.TextColor = barTextColor.ToUIColor();
foreach (UITabBarItem item in TabBar.Items)
{
item.SetTitleTextAttributes(attributes, UIControlState.Normal);
}
// set TintColor for selected icon
// setting the unselected icon tint is not supported by iOS
if (Forms.IsiOS7OrNewer)
{
TabBar.TintColor = barTextColor == Color.Default ? UINavigationBar.Appearance.TintColor : barTextColor.ToUIColor();
}
}
void UpdateChildrenOrderIndex(UIViewController[] viewControllers)
{
for (var i = 0; i < viewControllers.Length; i++)

63
docs/Xamarin.Forms.Core/Xamarin.Forms/TabbedPage.xml
Просмотреть файл

@ -159,6 +159,68 @@ class TabbedPageDemoPage2 : TabbedPage
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="BarBackgroundColor">
<MemberSignature Language="C#" Value="public Xamarin.Forms.Color BarBackgroundColor { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype Xamarin.Forms.Color BarBackgroundColor" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>Xamarin.Forms.Color</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<value>To be added.</value>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="BarBackgroundColorProperty">
<MemberSignature Language="C#" Value="public static readonly Xamarin.Forms.BindableProperty BarBackgroundColorProperty;" />
<MemberSignature Language="ILAsm" Value=".field public static initonly class Xamarin.Forms.BindableProperty BarBackgroundColorProperty" />
<MemberType>Field</MemberType>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>Xamarin.Forms.BindableProperty</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="BarTextColor">
<MemberSignature Language="C#" Value="public Xamarin.Forms.Color BarTextColor { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance valuetype Xamarin.Forms.Color BarTextColor" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>Xamarin.Forms.Color</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<value>To be added.</value>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="BarTextColorProperty">
<MemberSignature Language="C#" Value="public static readonly Xamarin.Forms.BindableProperty BarTextColorProperty;" />
<MemberSignature Language="ILAsm" Value=".field public static initonly class Xamarin.Forms.BindableProperty BarTextColorProperty" />
<MemberType>Field</MemberType>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>Xamarin.Forms.BindableProperty</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="CreateDefault">
<MemberSignature Language="C#" Value="protected override Xamarin.Forms.Page CreateDefault (object item);" />
<MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance class Xamarin.Forms.Page CreateDefault(object item) cil managed" />
@ -196,7 +258,6 @@ class TabbedPageDemoPage2 : TabbedPage
<AssemblyVersion>1.3.0.0</AssemblyVersion>
<AssemblyVersion>1.4.0.0</AssemblyVersion>
<AssemblyVersion>1.5.0.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>