MainView.xaml

<Page
    x:Class="UWP_Visual_Asset_Generator.Views.MainView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Windows10version1809="http://schemas.microsoft.com/winfx/2006/xaml/presentation?IsApiContractPresent(Windows.Foundation.UniversalApiContract, 7)"
    xmlns:animations="using:Microsoft.Toolkit.Uwp.UI.Animations"
    xmlns:controls="using:Microsoft.Toolkit.Uwp.UI.Controls"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:local="using:UWP_Visual_Asset_Generator.Views"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:uc="using:UWP_Visual_Asset_Generator.UserControls"
    Background="{ThemeResource SystemControlAcrylicWindowMediumHighBrush}"
    Loaded="Page_Loaded"
    mc:Ignorable="d">


    <Page.Resources>
        <Storyboard x:Name="animationOpacityPulse">
            <DoubleAnimation
                AutoReverse="True"
                RepeatBehavior="Forever"
                Storyboard.TargetName="LoadingLogo"
                Storyboard.TargetProperty="Opacity"
                From="1"
                To="0.5"
                Duration="0:0:1" />
        </Storyboard>
    </Page.Resources>

    <Grid>

        <Grid Tag="Main Content Area">
            <Grid.RowDefinitions>
                <RowDefinition Height="32" />
                <RowDefinition Height="*" />
                <!--<RowDefinition Height="auto"/>-->
            </Grid.RowDefinitions>

            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="300" />
                <ColumnDefinition Width="3*" />
            </Grid.ColumnDefinitions>

            <!--  Titlebar  -->
            <Grid
                Grid.Row="0"
                Grid.ColumnSpan="2"
                Canvas.ZIndex="400">
                <StackPanel Orientation="Horizontal">
                    <!--  App icon (Hidden for now)  -->
                    <Image
                        x:Name="imgAppIcon"
                        Width="16"
                        Height="16"
                        Margin="16,0"
                        Source="ms-appx:///Assets/Square44x44Logo.altform-unplated_targetsize-256.png"
                        Visibility="Collapsed" />
                </StackPanel>
            </Grid>
            <!--  End of Titlebar  -->

            <!--  Sidebar  -->
            <uc:SidebarUserControl Grid.RowSpan="2" Grid.Column="0" />

            <!--  Assetsbrowser  -->
            <uc:AssetBrowserUserControl
                Grid.Row="1"
                Grid.Column="1"
                HorizontalAlignment="Stretch"
                HorizontalContentAlignment="Stretch" />

            <!--  Assets editor  -->
            <uc:AssetEditUserControl
                Grid.Row="1"
                Grid.Column="1"
                Visibility="{x:Bind mainViewModel.ShowEditCurrentImage, Mode=OneWay}" />
            <!--  Commandbar  -->
            <controls:DropShadowPanel
                Grid.Row="1"
                Grid.Column="1"
                Margin="24"
                HorizontalAlignment="Right"
                VerticalAlignment="Bottom"
                BlurRadius="10"
                Canvas.ZIndex="200"
                OffsetX="4"
                OffsetY="4"
                ShadowOpacity="0.3"
                Color="Black">
                <CommandBar DefaultLabelPosition="Right">
                    <CommandBar.PrimaryCommands>
                        <!--  Primary Command  -->
                        <AppBarButton
                            x:Name="btn_Save"
                            x:Uid="Save"
                            Windows10version1809:CornerRadius="2,0,0,2"
                            Background="{ThemeResource SystemControlBackgroundAccentBrush}"
                            Click="Btn_Save_Click"
                            Foreground="{ThemeResource SystemControlForegroundChromeWhiteBrush}"
                            Icon="Save"
                            IsEnabled="{x:Bind mainViewModel.SaveEnabled, Mode=OneWay}"
                            Label="Save assets"
                            ToolTipService.ToolTip="Save Assets" />

                        <!--  Secondary Commands  -->
                        <!--  Hide the label of these items and show what they do in the tooltip  -->


                    </CommandBar.PrimaryCommands>
                    <!--  Overflow Commands  -->
                    <CommandBar.SecondaryCommands>
                        <!--  App info  -->
                        <Windows10version1809:AppBarElementContainer>
                            <TextBlock
                                x:Uid="AppInfo"
                                Margin="12,6"
                                Text="App info" />
                        </Windows10version1809:AppBarElementContainer>
                        <Windows10version1809:AppBarSeparator />
                        <AppBarButton
                            x:Name="hmi_ShowWelcomeUSerControl"
                            x:Uid="WelcomeBtn"
                            Icon="Home"
                            Label="Welcome"
                            Tapped="Hmi_ShowWelcomeUSerControl_Tapped" />
                        <AppBarButton Icon="World" Label="{x:Bind mainViewModel.Settings.AppVersion, Mode=OneWay}" />
                        <AppBarSeparator />
                        <AppBarButton
                            x:Name="hmi_ZeroOutPadding"
                            Icon="Cancel"
                            Label="0 out all Pading"
                            Tapped="hmi_ZeroOutPadding_Tapped" />
                        <AppBarButton
                            x:Name="hmi_ApplyRecommendedPadding"
                            Icon="Crop"
                            Label="Apply recommended padding"
                            Tapped="hmi_ApplyRecommendedPadding_Tapped" />
                        <AppBarToggleButton
                            x:Name="hmi_ToggleAccentColour"
                            x:Uid="ToggleAccentColour"
                            Icon="Bold"
                            Label="View Assets with Accent colour"
                            Tapped="Hmi_ToggleAccentColour_Tapped"
                            ToolTipService.ToolTip="View Assets with Accent colour" />
                    </CommandBar.SecondaryCommands>

                </CommandBar>
            </controls:DropShadowPanel>
            <!--  End of CommandBar  -->

        </Grid>

        <uc:WelcomeUserControl x:Name="WelcomeControl" x:Load="{x:Bind mainViewModel.Settings.ShowWelcomePage, Mode=OneWay}">
            <animations:Implicit.ShowAnimations>
                <animations:OpacityAnimation
                    From="0.0"
                    To="1.0"
                    Duration="0:0:0.5" />
            </animations:Implicit.ShowAnimations>

            <animations:Implicit.HideAnimations>
                <animations:OpacityAnimation
                    From="1.0"
                    To="0.0"
                    Duration="0:0:0.5" />
            </animations:Implicit.HideAnimations>
        </uc:WelcomeUserControl>

        <controls:Loading
            Margin="0"
            Background="{ThemeResource SystemControlBackgroundAccentBrush}"
            IsLoading="{x:Bind mainViewModel.Thinking, Mode=OneWay}"
            Opacity="0.8">
            <StackPanel Padding="12">
                <controls:DropShadowPanel
                    Grid.Row="0"
                    Margin="12"
                    HorizontalAlignment="Center"
                    VerticalAlignment="Center"
                    BlurRadius="8"
                    OffsetX="2"
                    OffsetY="2"
                    ShadowOpacity="0.7"
                    Color="{ThemeResource SystemColorButtonFaceColor}">
                    <Image
                        x:Name="LoadingLogo"
                        Height="100"
                        Source="/Assets/SmallTile.scale-200.png" />
                </controls:DropShadowPanel>

                <controls:DropShadowPanel
                    Grid.Row="0"
                    Margin="8"
                    VerticalAlignment="Center"
                    BlurRadius="8"
                    OffsetX="2"
                    OffsetY="2"
                    ShadowOpacity="0.7"
                    Color="{ThemeResource SystemColorButtonFaceColor}">

                    <TextBlock
                        x:Name="tbLoadingText"
                        MinWidth="180"
                        VerticalAlignment="Center"
                        Style="{StaticResource SubtitleTextBlockStyle}"
                        Text="{x:Bind mainViewModel.ThinkingText, Mode=OneWay}"
                        TextAlignment="Center" />
                </controls:DropShadowPanel>
            </StackPanel>
        </controls:Loading>
    </Grid>
</Page>