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AppShell.xaml
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AppShell.xaml
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<!--
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// The MIT License (MIT)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
-->
<Page x:Name="Root"
x:Class="RssReader.AppShell"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:RssReader"
xmlns:controls="using:RssReader.Controls"
xmlns:common="using:RssReader.Common"
xmlns:viewmodels="using:RssReader.ViewModels"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
Background="{ThemeResource SystemControlBackgroundAltHighBrush}"
SizeChanged="Root_SizeChanged"
KeyDown="AppShell_KeyDown"
TabNavigation="Cycle"
mc:Ignorable="d">
<!-- Using a Page as the root for the app provides a design time experience as well as ensures that
when it runs on Mobile the app content won't appear under the system's StatusBar which is visible
by default with a transparent background. It will also take into account the presence of software
navigation buttons if they appear on a device. An app can opt-out by switching to UseCoreWindow.
-->
<Page.Resources>
<common:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
<DataTemplate x:Key="NavMenuItemTemplate"
x:DataType="local:NavMenuItem">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="48" />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<!-- Showing a ToolTip and the Label is redundant. We put the ToolTip on the icon.
It appears when the user hovers over the icon, but not the label which provides
value when the SplitView is 'Compact' while reducing the likelihood of showing
redundant information when the label is shown.-->
<FontIcon x:Name="Glyph"
Glyph="{x:Bind SymbolAsChar}"
VerticalAlignment="Center"
HorizontalAlignment="Center"
FontSize="16"
ToolTipService.ToolTip="{x:Bind Label}" />
<TextBlock x:Name="Text"
Grid.Column="1"
Text="{x:Bind Label}"
TextWrapping="NoWrap"
Style="{StaticResource BodyTextBlockStyle}" />
</Grid>
</DataTemplate>
<DataTemplate x:Key="FeedsListItemTemplate"
x:DataType="viewmodels:FeedViewModel">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="48" />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid Visibility="{x:Bind IsInError, Mode=OneWay, Converter={StaticResource BooleanToVisibilityConverter}}">
<!--Error icon when selected.-->
<FontIcon Glyph=""
VerticalAlignment="Center"
HorizontalAlignment="Center"
FontSize="16"
ToolTipService.ToolTip="{x:Bind Description, Mode=OneWay}"
Visibility="{x:Bind IsSelectedInNavList, Mode=OneWay, Converter={StaticResource BooleanToVisibilityConverter}}" />
<!--Error icon when unselected.-->
<FontIcon Glyph=""
VerticalAlignment="Center"
HorizontalAlignment="Center"
FontSize="16"
Foreground="#FFFF8C10"
ToolTipService.ToolTip="{x:Bind Description, Mode=OneWay}"
Visibility="{x:Bind IsSelectedInNavList, Mode=OneWay, ConverterParameter=Reverse, Converter={StaticResource BooleanToVisibilityConverter}}" />
</Grid>
<FontIcon x:Name="Glyph"
Glyph="{x:Bind SymbolAsChar, Mode=OneWay}"
VerticalAlignment="Center"
HorizontalAlignment="Center"
FontSize="16"
ToolTipService.ToolTip="{x:Bind Description, Mode=OneWay}"
Visibility="{x:Bind IsInError, Mode=OneWay, ConverterParameter=Reverse, Converter={StaticResource BooleanToVisibilityConverter}}" />
<TextBlock x:Name="Text"
Grid.Column="1"
Text="{x:Bind Name, Mode=OneWay}"
TextWrapping="NoWrap"
MaxWidth="210"
TextTrimming="CharacterEllipsis"
Style="{StaticResource BodyTextBlockStyle}" />
</Grid>
</DataTemplate>
</Page.Resources>
<Grid x:Name="LayoutRoot">
<!-- Adaptive triggers -->
<VisualStateManager.VisualStateGroups>
<VisualStateGroup>
<VisualState>
<VisualState.StateTriggers>
<AdaptiveTrigger MinWindowWidth="{StaticResource LargeWindowSnapPoint}" />
</VisualState.StateTriggers>
<VisualState.Setters>
<Setter Target="RootSplitView.DisplayMode"
Value="CompactInline" />
<Setter Target="RootSplitView.IsPaneOpen"
Value="True" />
</VisualState.Setters>
</VisualState>
<VisualState>
<VisualState.StateTriggers>
<AdaptiveTrigger MinWindowWidth="{StaticResource MediumWindowSnapPoint}" />
</VisualState.StateTriggers>
<VisualState.Setters>
<Setter Target="RootSplitView.DisplayMode"
Value="CompactOverlay" />
<Setter Target="RootSplitView.IsPaneOpen"
Value="False" />
</VisualState.Setters>
</VisualState>
<VisualState>
<VisualState.StateTriggers>
<AdaptiveTrigger MinWindowWidth="{StaticResource MinWindowSnapPoint}" />
</VisualState.StateTriggers>
<VisualState.Setters>
<Setter Target="RootSplitView.DisplayMode"
Value="Overlay" />
<Setter Target="RootSplitView.IsPaneOpen"
Value="False" />
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<!-- Top-level navigation menu + app content -->
<SplitView x:Name="RootSplitView"
DisplayMode="CompactInline"
OpenPaneLength="280"
IsTabStop="False">
<SplitView.Pane>
<Grid Background="{ThemeResource Background100OffWhiteBrush}">
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<!-- A custom ListView to display the items in the pane.
The automation Name is set in the ContainerContentChanging event. -->
<controls:NavMenuListView x:Name="FeedsList"
Margin="0,48,0,0"
ItemsSource="{x:Bind ViewModel.FeedsWithFavorites, Mode=OneWay}"
TabIndex="3"
ContainerContentChanging="FeedsListItemContainerContentChanging"
SelectionChanged="FeedsList_SelectionChanged"
ItemInvoked="FeedsList_ItemInvoked"
ItemContainerStyle="{StaticResource NavMenuItemContainerStyle}"
ItemTemplate="{StaticResource FeedsListItemTemplate}" />
<Rectangle x:Name="NavPaneDivider"
Grid.Row="1"
Margin="0"
Width="280"
Height="1"
HorizontalAlignment="Stretch"
Fill="{ThemeResource Border100PaleRoseBrush}" />
<controls:NavMenuListView x:Name="NavMenuList"
Grid.Row="2"
Margin="0"
ItemsSource="{x:Bind NavList}"
TabIndex="4"
ContainerContentChanging="NavMenuItemContainerContentChanging"
ItemInvoked="NavMenuList_ItemInvoked"
ItemContainerStyle="{StaticResource NavMenuItemContainerStyle}"
ItemTemplate="{StaticResource NavMenuItemTemplate}" />
</Grid>
</SplitView.Pane>
<SplitView.Content>
<!-- OnNavigatingToPage we synchronize the selected item in the nav menu with the current page.
OnNavigatedToPage we move keyboard focus to the first item on the page after it's loaded. -->
<Frame x:Name="AppShellFrame"
Margin="0"
Navigating="OnNavigatingToPage"
Navigated="OnNavigatedToPage"
Background="White">
<Frame.ContentTransitions>
<TransitionCollection>
<NavigationThemeTransition>
<NavigationThemeTransition.DefaultNavigationTransitionInfo>
<EntranceNavigationTransitionInfo />
</NavigationThemeTransition.DefaultNavigationTransitionInfo>
</NavigationThemeTransition>
</TransitionCollection>
</Frame.ContentTransitions>
</Frame>
</SplitView.Content>
</SplitView>
<!-- Declared last to have it rendered above everything else, but it needs to be the first item in the tab sequence. -->
<ToggleButton x:Name="TogglePaneButton"
Visibility="{x:Bind ViewModel.IsInDetailsMode, Mode=OneWay, ConverterParameter=Reverse, Converter={StaticResource BooleanToVisibilityConverter}}"
Margin="0"
TabIndex="1"
Checked="{x:Bind CheckTogglePaneButtonSizeChanged}"
Unchecked="{x:Bind CheckTogglePaneButtonSizeChanged}"
IsChecked="{Binding IsPaneOpen, ElementName=RootSplitView, Mode=TwoWay}"
AutomationProperties.Name="Menu"
ToolTipService.ToolTip="Menu"
Style="{StaticResource SplitViewTogglePaneButtonStyle}" />
</Grid>
</Page>