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feat: add new Notification.

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This commit is contained in:
Zhang Dian
2024-09-09 19:09:05 +08:00
parent cd8bf3adaf
commit b0bacfa0ae
12 changed files with 649 additions and 0 deletions
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34
demo/Ursa.Demo/Pages/NotificationDemo.axaml Normal file
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<UserControl x:Class="Ursa.Demo.Pages.NotificationDemo"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:vm="using:Ursa.Demo.ViewModels"
x:DataType="vm:NotificationDemoViewModel"
d:DesignHeight="450"
d:DesignWidth="800"
mc:Ignorable="d">
<Design.DataContext>
<vm:NotificationDemoViewModel />
</Design.DataContext>
<StackPanel>
<ToggleSwitch IsChecked="{Binding ShowClose}" Content="ShowClose"/>
<StackPanel Orientation="Horizontal" Spacing="20">
<Button Command="{Binding ShowNormal}" CommandParameter="{Binding $self.Content}" Content="Information" />
<Button Command="{Binding ShowNormal}" CommandParameter="{Binding $self.Content}" Content="Success" Classes="Success" />
<Button Command="{Binding ShowNormal}" CommandParameter="{Binding $self.Content}" Content="Warning" Classes="Warning" />
<Button Command="{Binding ShowNormal}" CommandParameter="{Binding $self.Content}" Content="Error" Classes="Danger" />
</StackPanel>
<StackPanel Orientation="Horizontal" Spacing="20">
<StackPanel.Styles>
<Style Selector="Button">
<Setter Property="Theme" Value="{DynamicResource SolidButton}" />
</Style>
</StackPanel.Styles>
<Button Command="{Binding ShowLight}" CommandParameter="{Binding $self.Content}" Content="Information" />
<Button Command="{Binding ShowLight}" CommandParameter="{Binding $self.Content}" Content="Success" Classes="Success" />
<Button Command="{Binding ShowLight}" CommandParameter="{Binding $self.Content}" Content="Warning" Classes="Warning" />
<Button Command="{Binding ShowLight}" CommandParameter="{Binding $self.Content}" Content="Error" Classes="Danger" />
</StackPanel>
</StackPanel>
</UserControl>

25
demo/Ursa.Demo/Pages/NotificationDemo.axaml.cs Normal file
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using Avalonia;
using Avalonia.Controls;
using Ursa.Controls;
using Ursa.Demo.ViewModels;
namespace Ursa.Demo.Pages;
public partial class NotificationDemo : UserControl
{
private NotificationDemoViewModel _viewModel;
public NotificationDemo()
{
InitializeComponent();
_viewModel = new NotificationDemoViewModel();
DataContext = _viewModel;
}
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
var topLevel = TopLevel.GetTopLevel(this);
_viewModel.NotificationManager = new WindowNotificationManager(topLevel) { MaxItems = 3 };
}
}

1
demo/Ursa.Demo/ViewModels/MainViewViewModel.cs
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@@ -52,6 +52,7 @@ public class MainViewViewModel : ViewModelBase
MenuKeys.MenuKeyMessageBox => new MessageBoxDemoViewModel(), MenuKeys.MenuKeyMessageBox => new MessageBoxDemoViewModel(),
MenuKeys.MenuKeyMultiComboBox => new MultiComboBoxDemoViewModel(), MenuKeys.MenuKeyMultiComboBox => new MultiComboBoxDemoViewModel(),
MenuKeys.MenuKeyNavMenu => new NavMenuDemoViewModel(), MenuKeys.MenuKeyNavMenu => new NavMenuDemoViewModel(),
MenuKeys.MenuKeyNotification => new NotificationDemoViewModel(),
MenuKeys.MenuKeyNumberDisplayer => new NumberDisplayerDemoViewModel(), MenuKeys.MenuKeyNumberDisplayer => new NumberDisplayerDemoViewModel(),
MenuKeys.MenuKeyNumericUpDown => new NumericUpDownDemoViewModel(), MenuKeys.MenuKeyNumericUpDown => new NumericUpDownDemoViewModel(),
MenuKeys.MenuKeyNumPad => new NumPadDemoViewModel(), MenuKeys.MenuKeyNumPad => new NumPadDemoViewModel(),

2
demo/Ursa.Demo/ViewModels/MenuViewModel.cs
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@@ -37,6 +37,7 @@ public class MenuViewModel: ViewModelBase
new() { MenuHeader = "Message Box", Key = MenuKeys.MenuKeyMessageBox }, new() { MenuHeader = "Message Box", Key = MenuKeys.MenuKeyMessageBox },
new() { MenuHeader = "MultiComboBox", Key = MenuKeys.MenuKeyMultiComboBox, Status = "Updated" }, new() { MenuHeader = "MultiComboBox", Key = MenuKeys.MenuKeyMultiComboBox, Status = "Updated" },
new() { MenuHeader = "Nav Menu", Key = MenuKeys.MenuKeyNavMenu }, new() { MenuHeader = "Nav Menu", Key = MenuKeys.MenuKeyNavMenu },
new() { MenuHeader = "Notification", Key = MenuKeys.MenuKeyNotification },
new() { MenuHeader = "Number Displayer", Key = MenuKeys.MenuKeyNumberDisplayer, Status = "New" }, new() { MenuHeader = "Number Displayer", Key = MenuKeys.MenuKeyNumberDisplayer, Status = "New" },
new() { MenuHeader = "Numeric UpDown", Key = MenuKeys.MenuKeyNumericUpDown }, new() { MenuHeader = "Numeric UpDown", Key = MenuKeys.MenuKeyNumericUpDown },
new() { MenuHeader = "NumPad", Key = MenuKeys.MenuKeyNumPad }, new() { MenuHeader = "NumPad", Key = MenuKeys.MenuKeyNumPad },
@@ -88,6 +89,7 @@ public static class MenuKeys
public const string MenuKeyMessageBox = "MessageBox"; public const string MenuKeyMessageBox = "MessageBox";
public const string MenuKeyMultiComboBox = "MultiComboBox"; public const string MenuKeyMultiComboBox = "MultiComboBox";
public const string MenuKeyNavMenu = "NavMenu"; public const string MenuKeyNavMenu = "NavMenu";
public const string MenuKeyNotification = "Notification";
public const string MenuKeyNumberDisplayer = "NumberDisplayer"; public const string MenuKeyNumberDisplayer = "NumberDisplayer";
public const string MenuKeyNumericUpDown = "NumericUpDown"; public const string MenuKeyNumericUpDown = "NumericUpDown";
public const string MenuKeyNumPad = "NumPad"; public const string MenuKeyNumPad = "NumPad";

42
demo/Ursa.Demo/ViewModels/NotificationDemoViewModel.cs Normal file
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@@ -0,0 +1,42 @@
using System;
using Avalonia.Controls.Notifications;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Notification = Ursa.Controls.Notification;
using WindowNotificationManager = Ursa.Controls.WindowNotificationManager;
namespace Ursa.Demo.ViewModels;
public partial class NotificationDemoViewModel : ObservableObject
{
public WindowNotificationManager? NotificationManager { get; set; }
[ObservableProperty] private bool _showClose = true;
[RelayCommand]
public void ShowNormal(object obj)
{
if (obj is string s)
{
Enum.TryParse<NotificationType>(s, out var notificationType);
NotificationManager?.Show(
new Notification("Welcome", "This is message"),
showClose: ShowClose,
type: notificationType);
}
}
[RelayCommand]
public void ShowLight(object obj)
{
if (obj is string s)
{
Enum.TryParse<NotificationType>(s, out var notificationType);
NotificationManager?.Show(
new Notification("Welcome", "This is message"),
showClose: ShowClose,
type: notificationType,
classes: ["Light"]);
}
}
}

233
src/Ursa.Themes.Semi/Controls/Notification.axaml Normal file
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@@ -0,0 +1,233 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:u="https://irihi.tech/ursa">
<Design.PreviewWith>
<ThemeVariantScope RequestedThemeVariant="Dark">
<StackPanel Orientation="Vertical">
<u:NotificationCard ShowClose="False" />
<u:NotificationCard>
Hello, Ursa!
</u:NotificationCard>
<u:NotificationCard NotificationType="Success">
<u:Notification Title="Welcome" Content="Hello, Ursa!" />
</u:NotificationCard>
</StackPanel>
</ThemeVariantScope>
</Design.PreviewWith>
<ControlTheme x:Key="{x:Type u:WindowNotificationManager}" TargetType="u:WindowNotificationManager">
<Setter Property="Margin" Value="0" />
<Setter Property="Template">
<ControlTemplate>
<ReversibleStackPanel Name="PART_Items" />
</ControlTemplate>
</Setter>
<Style Selector="^ /template/ ReversibleStackPanel#PART_Items">
<Setter Property="VerticalAlignment" Value="Top" />
<Setter Property="HorizontalAlignment" Value="Center" />
</Style>
</ControlTheme>
<ControlTheme x:Key="{x:Type u:NotificationCard}" TargetType="u:NotificationCard">
<Setter Property="UseLayoutRounding" Value="True" />
<Setter Property="RenderTransformOrigin" Value="50%,75%" />
<Setter Property="BorderThickness" Value="{DynamicResource NotificationCardBorderThickness}" />
<Setter Property="BorderBrush" Value="{DynamicResource NotificationCardBorderBrush}" />
<Setter Property="Background" Value="{DynamicResource NotificationCardBackground}" />
<Setter Property="CornerRadius" Value="{DynamicResource NotificationCardCornerRadius}" />
<Setter Property="Template">
<ControlTemplate TargetType="u:NotificationCard">
<LayoutTransformControl x:Name="PART_LayoutTransformControl" UseRenderTransform="True">
<Border
Margin="{DynamicResource NotificationCardMargin}"
Background="{TemplateBinding Background}"
CornerRadius="{TemplateBinding CornerRadius}">
<Border
x:Name="PART_RootBorder"
Padding="{DynamicResource NotificationCardPadding}"
BoxShadow="{DynamicResource NotificationCardBoxShadow}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="{TemplateBinding CornerRadius}">
<Grid ColumnDefinitions="Auto,*,Auto">
<PathIcon
x:Name="NotificationIcon"
Grid.Column="0"
Width="{DynamicResource NotificationCardIconWidth}"
Height="{DynamicResource NotificationCardIconHeight}"
Margin="{DynamicResource NotificationCardIconMargin}"
VerticalAlignment="Top"
IsVisible="False"
Data="{DynamicResource NotificationCardInformationIconPathData}" />
<ContentControl
x:Name="PART_Content"
Grid.Column="1"
VerticalContentAlignment="Center"
Content="{TemplateBinding Content}">
<ContentControl.DataTemplates>
<DataTemplate DataType="u:INotification">
<StackPanel Spacing="{DynamicResource NotificationCardTitleSpacing}">
<SelectableTextBlock
Foreground="{DynamicResource NotificationCardTitleForeground}"
FontSize="{DynamicResource NotificationCardTitleFontSize}"
FontWeight="{DynamicResource NotificationCardTitleFontWeight}"
IsVisible="{Binding Title, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"
Text="{Binding Title}" />
<SelectableTextBlock
Foreground="{DynamicResource NotificationCardMessageForeground}"
FontSize="{DynamicResource NotificationCardMessageFontSize}"
FontWeight="{DynamicResource NotificationCardMessageFontWeight}"
Text="{Binding Content}"
TextWrapping="Wrap" />
</StackPanel>
</DataTemplate>
<DataTemplate DataType="x:String">
<SelectableTextBlock
Foreground="{DynamicResource NotificationCardMessageForeground}"
FontSize="{DynamicResource NotificationCardMessageFontSize}"
FontWeight="{DynamicResource NotificationCardMessageFontWeight}"
Text="{Binding}"
TextWrapping="Wrap" />
</DataTemplate>
</ContentControl.DataTemplates>
</ContentControl>
<Button
x:Name="PART_CloseButton"
Grid.Column="2"
VerticalAlignment="Top"
HorizontalAlignment="Right"
Theme="{StaticResource NotificationCloseButton}"
IsVisible="{TemplateBinding ShowClose}"
u:MessageCard.CloseOnClick="True" />
</Grid>
</Border>
</Border>
</LayoutTransformControl>
</ControlTemplate>
</Setter>
<ControlTheme.Animations>
<Animation
Easing="QuadraticEaseIn"
FillMode="Forward"
Duration="0:0:0.3">
<KeyFrame Cue="0%">
<Setter Property="Opacity" Value="0" />
</KeyFrame>
<KeyFrame Cue="100%">
<Setter Property="Opacity" Value="1" />
</KeyFrame>
<KeyFrame KeySpline="0.22,0.57,0.02,1.2" Cue="0%">
<Setter Property="TranslateTransform.Y" Value="-100" />
</KeyFrame>
<KeyFrame KeySpline="0.22,0.57,0.02,1.2" Cue="100%">
<Setter Property="TranslateTransform.Y" Value="0" />
</KeyFrame>
</Animation>
</ControlTheme.Animations>
<Style Selector="^[IsClosing=true] /template/ LayoutTransformControl#PART_LayoutTransformControl">
<Setter Property="RenderTransformOrigin" Value="50%,0%" />
<Style.Animations>
<Animation
Easing="QuadraticEaseOut"
FillMode="Forward"
Duration="0:0:0.3">
<KeyFrame Cue="0%">
<Setter Property="Opacity" Value="1" />
</KeyFrame>
<KeyFrame Cue="100%">
<Setter Property="Opacity" Value="0" />
</KeyFrame>
<KeyFrame KeySpline="0.22,0.57,0.02,1.2" Cue="0%">
<Setter Property="TranslateTransform.Y" Value="0" />
</KeyFrame>
<KeyFrame KeySpline="0.22,0.57,0.02,1.2" Cue="100%">
<Setter Property="TranslateTransform.Y" Value="-100" />
</KeyFrame>
</Animation>
</Style.Animations>
</Style>
<Style Selector="^[IsClosing=true]">
<Style.Animations>
<Animation
Easing="QuadraticEaseOut"
FillMode="Forward"
Duration="0:0:0.3">
<KeyFrame Cue="100%">
<Setter Property="IsClosed" Value="True" />
</KeyFrame>
</Animation>
</Style.Animations>
</Style>
<Style Selector="^:information /template/ PathIcon#NotificationIcon">
<Setter Property="IsVisible" Value="True" />
<Setter Property="Foreground" Value="{DynamicResource NotificationCardInformationIconForeground}" />
<Setter Property="Data" Value="{DynamicResource NotificationCardInformationIconPathData}" />
</Style>
<Style Selector="^:success /template/ PathIcon#NotificationIcon">
<Setter Property="IsVisible" Value="True" />
<Setter Property="Foreground" Value="{DynamicResource NotificationCardSuccessIconForeground}" />
<Setter Property="Data" Value="{DynamicResource NotificationCardSuccessIconPathData}" />
</Style>
<Style Selector="^:warning /template/ PathIcon#NotificationIcon">
<Setter Property="IsVisible" Value="True" />
<Setter Property="Foreground" Value="{DynamicResource NotificationCardWarningIconForeground}" />
<Setter Property="Data" Value="{DynamicResource NotificationCardWarningIconPathData}" />
</Style>
<Style Selector="^:error /template/ PathIcon#NotificationIcon">
<Setter Property="IsVisible" Value="True" />
<Setter Property="Foreground" Value="{DynamicResource NotificationCardErrorIconForeground}" />
<Setter Property="Data" Value="{DynamicResource NotificationCardErrorIconPathData}" />
</Style>
<Style Selector="^.Light">
<Setter Property="Background" Value="{DynamicResource SemiColorBackground0}" />
<Style Selector="^:information /template/ Border#PART_RootBorder">
<Setter Property="BorderBrush" Value="{DynamicResource SemiColorInformation}" />
<Setter Property="Background" Value="{DynamicResource SemiColorInformationLight}" />
</Style>
<Style Selector="^:success /template/ Border#PART_RootBorder">
<Setter Property="BorderBrush" Value="{DynamicResource SemiColorSuccess}" />
<Setter Property="Background" Value="{DynamicResource SemiColorSuccessLight}" />
</Style>
<Style Selector="^:warning /template/ Border#PART_RootBorder">
<Setter Property="BorderBrush" Value="{DynamicResource SemiColorWarning}" />
<Setter Property="Background" Value="{DynamicResource SemiColorWarningLight}" />
</Style>
<Style Selector="^:error /template/ Border#PART_RootBorder">
<Setter Property="BorderBrush" Value="{DynamicResource SemiColorDanger}" />
<Setter Property="Background" Value="{DynamicResource SemiColorDangerLight}" />
</Style>
</Style>
</ControlTheme>
<ControlTheme x:Key="NotificationCloseButton" TargetType="Button">
<Setter Property="CornerRadius" Value="6" />
<Setter Property="Height" Value="24" />
<Setter Property="Width" Value="24" />
<Setter Property="Cursor" Value="Hand" />
<Setter Property="Template">
<ControlTemplate TargetType="Button">
<Border
Name="PART_Border"
Padding="{TemplateBinding Padding}"
Background="Transparent"
CornerRadius="{TemplateBinding CornerRadius}">
<PathIcon
Width="10"
Height="10"
Data="{DynamicResource WindowCloseIconGlyph}" />
</Border>
</ControlTemplate>
</Setter>
<Style Selector="^:pointerover /template/ Border">
<Setter Property="Background" Value="{DynamicResource ButtonDefaultPointeroverBackground}" />
</Style>
<Style Selector="^:pressed /template/ Border">
<Setter Property="Background" Value="{DynamicResource ButtonDefaultPressedBackground}" />
</Style>
</ControlTheme>
</ResourceDictionary>

1
src/Ursa.Themes.Semi/Controls/_index.axaml
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@@ -29,6 +29,7 @@
<ResourceInclude Source="MessageBox.axaml" /> <ResourceInclude Source="MessageBox.axaml" />
<ResourceInclude Source="MultiComboBox.axaml" /> <ResourceInclude Source="MultiComboBox.axaml" />
<ResourceInclude Source="NavMenu.axaml" /> <ResourceInclude Source="NavMenu.axaml" />
<ResourceInclude Source="Notification.axaml" />
<ResourceInclude Source="NumericUpDown.axaml" /> <ResourceInclude Source="NumericUpDown.axaml" />
<ResourceInclude Source="NumPad.axaml" /> <ResourceInclude Source="NumPad.axaml" />
<ResourceInclude Source="NumberDisplayer.axaml" /> <ResourceInclude Source="NumberDisplayer.axaml" />

17
src/Ursa/Controls/Notification/INotification.cs Normal file
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@@ -0,0 +1,17 @@
namespace Ursa.Controls;
/// <summary>
/// Represents a notification that can be shown in a window or by the host operating system.
/// </summary>
public interface INotification : IMessage
{
/// <summary>
/// Gets the Title of the notification.
/// </summary>
string? Title { get; }
/// <summary>
/// Gets the Content of the notification.
/// </summary>
string? Content { get; }
}

14
src/Ursa/Controls/Notification/INotificationManager.cs Normal file
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@@ -0,0 +1,14 @@
namespace Ursa.Controls;
/// <summary>
/// Represents a notification manager that can be used to show notifications in a window or using
/// the host operating system.
/// </summary>
public interface INotificationManager
{
/// <summary>
/// Show a notification.
/// </summary>
/// <param name="notification">The notification to be displayed.</param>
void Show(INotification notification);
}

103
src/Ursa/Controls/Notification/Notification.cs Normal file
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@@ -0,0 +1,103 @@
using System.ComponentModel;
using System.Runtime.CompilerServices;
using Avalonia.Controls.Notifications;
namespace Ursa.Controls;
/// <summary>
/// A notification that can be shown in a window or by the host operating system.
/// </summary>
/// <remarks>
/// This class represents a notification that can be displayed either in a window using
/// <see cref="WindowNotificationManager"/> or by the host operating system (to be implemented).
/// </remarks>
public class Notification : INotification, INotifyPropertyChanged
{
private string? _title, _content;
/// <summary>
/// Initializes a new instance of the <see cref="Notification"/> class.
/// </summary>
/// <param name="title">The title of the notification.</param>
/// <param name="content">The content to be displayed in the notification.</param>
/// <param name="type">The <see cref="NotificationType"/> of the notification.</param>
/// <param name="expiration">The expiry time at which the notification will close.
/// Use <see cref="TimeSpan.Zero"/> for notifications that will remain open.</param>
/// <param name="showClose">A value indicating whether the notification should show a close button.</param>
/// <param name="onClick">An Action to call when the notification is clicked.</param>
/// <param name="onClose">An Action to call when the notification is closed.</param>
public Notification(
string? title,
string? content,
NotificationType type = NotificationType.Information,
TimeSpan? expiration = null,
bool showClose = true,
Action? onClick = null,
Action? onClose = null)
{
Title = title;
Content = content;
Type = type;
Expiration = expiration ?? TimeSpan.FromSeconds(3);
ShowClose = showClose;
OnClick = onClick;
OnClose = onClose;
}
/// <summary>
/// Initializes a new instance of the <see cref="Notification"/> class.
/// </summary>
public Notification() : this(null, null)
{
}
/// <inheritdoc/>
public string? Title
{
get => _title;
set
{
if (_title != value)
{
_title = value;
OnPropertyChanged();
}
}
}
/// <inheritdoc/>
public string? Content
{
get => _content;
set
{
if (_content != value)
{
_content = value;
OnPropertyChanged();
}
}
}
/// <inheritdoc/>
public NotificationType Type { get; set; }
/// <inheritdoc/>
public TimeSpan Expiration { get; set; }
/// <inheritdoc/>
public bool ShowClose { get; }
/// <inheritdoc/>
public Action? OnClick { get; set; }
/// <inheritdoc/>
public Action? OnClose { get; set; }
public event PropertyChangedEventHandler? PropertyChanged;
protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}

6
src/Ursa/Controls/Notification/NotificationCard.cs Normal file
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@@ -0,0 +1,6 @@
namespace Ursa.Controls;
/// <summary>
/// Control that represents and displays a notification.
/// </summary>
public class NotificationCard : MessageCard;

171
src/Ursa/Controls/Notification/WindowNotificationManager.cs Normal file
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@@ -0,0 +1,171 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Notifications;
using Avalonia.Layout;
using Avalonia.Threading;
namespace Ursa.Controls;
/// <summary>
/// An <see cref="INotificationManager"/> that displays notifications in a <see cref="Window"/>.
/// </summary>
[PseudoClasses(PC_TopLeft, PC_TopRight, PC_BottomLeft, PC_BottomRight, PC_TopCenter, PC_BottomCenter)]
public class WindowNotificationManager : WindowMessageManager, INotificationManager
{
public const string PC_TopLeft = ":topleft";
public const string PC_TopRight = ":topright";
public const string PC_BottomLeft = ":bottomleft";
public const string PC_BottomRight = ":bottomright";
public const string PC_TopCenter = ":topcenter";
public const string PC_BottomCenter = ":bottomcenter";
/// <summary>
/// Defines the <see cref="Position"/> property.
/// </summary>
public static readonly StyledProperty<NotificationPosition> PositionProperty =
AvaloniaProperty.Register<WindowNotificationManager, NotificationPosition>(nameof(Position),
NotificationPosition.TopRight);
/// <summary>
/// Defines which corner of the screen notifications can be displayed in.
/// </summary>
/// <seealso cref="NotificationPosition"/>
public NotificationPosition Position
{
get => GetValue(PositionProperty);
set => SetValue(PositionProperty, value);
}
/// <summary>
/// Initializes a new instance of the <see cref="WindowNotificationManager"/> class.
/// </summary>
/// <param name="host">The TopLevel that will host the control.</param>
public WindowNotificationManager(TopLevel? host) : this()
{
if (host is not null)
{
InstallFromTopLevel(host);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="WindowNotificationManager"/> class.
/// </summary>
public WindowNotificationManager()
{
UpdatePseudoClasses(Position);
}
static WindowNotificationManager()
{
HorizontalAlignmentProperty.OverrideDefaultValue<WindowNotificationManager>(HorizontalAlignment.Stretch);
VerticalAlignmentProperty.OverrideDefaultValue<WindowNotificationManager>(VerticalAlignment.Stretch);
}
/// <inheritdoc/>
public void Show(INotification content)
{
Show(content, content.Type, content.Expiration, content.ShowClose, content.OnClick, content.OnClose);
}
/// <inheritdoc/>
public override void Show(object content)
{
if (content is INotification notification)
{
Show(notification, notification.Type, notification.Expiration, notification.ShowClose, notification.OnClick,
notification.OnClose);
}
else
{
Show(content, NotificationType.Information);
}
}
/// <summary>
/// Shows a Notification
/// </summary>
/// <param name="content">the content of the notification</param>
/// <param name="type">the type of the notification</param>
/// <param name="expiration">the expiration time of the notification after which it will automatically close. If the value is Zero then the notification will remain open until the user closes it</param>
/// <param name="showClose">whether to show the close button</param>
/// <param name="onClick">an Action to be run when the notification is clicked</param>
/// <param name="onClose">an Action to be run when the notification is closed</param>
/// <param name="classes">style classes to apply</param>
public async void Show(
object content,
NotificationType type,
TimeSpan? expiration = null,
bool showClose = true,
Action? onClick = null,
Action? onClose = null,
string[]? classes = null)
{
Dispatcher.UIThread.VerifyAccess();
var notificationControl = new NotificationCard
{
Content = content,
NotificationType = type,
ShowClose = showClose
};
// Add style classes if any
if (classes is not null)
{
foreach (var @class in classes)
{
notificationControl.Classes.Add(@class);
}
}
notificationControl.MessageClosed += (sender, _) =>
{
onClose?.Invoke();
_items?.Remove(sender);
};
notificationControl.PointerPressed += (_, _) => { onClick?.Invoke(); };
Dispatcher.UIThread.Post(() =>
{
_items?.Add(notificationControl);
if (_items?.OfType<NotificationCard>().Count(i => !i.IsClosing) > MaxItems)
{
_items.OfType<NotificationCard>().First(i => !i.IsClosing).Close();
}
});
if (expiration == TimeSpan.Zero)
{
return;
}
await Task.Delay(expiration ?? TimeSpan.FromSeconds(3));
notificationControl.Close();
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == PositionProperty)
{
UpdatePseudoClasses(change.GetNewValue<NotificationPosition>());
}
}
private void UpdatePseudoClasses(NotificationPosition position)
{
PseudoClasses.Set(PC_TopLeft, position == NotificationPosition.TopLeft);
PseudoClasses.Set(PC_TopRight, position == NotificationPosition.TopRight);
PseudoClasses.Set(PC_BottomLeft, position == NotificationPosition.BottomLeft);
PseudoClasses.Set(PC_BottomRight, position == NotificationPosition.BottomRight);
PseudoClasses.Set(PC_TopCenter, position == NotificationPosition.TopCenter);
PseudoClasses.Set(PC_BottomCenter, position == NotificationPosition.BottomCenter);
}
}