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Merge pull request #353 from HandyOrg/pr/338

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Pr/338
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NaBian 2020-04-04 00:10:37 +08:00 committed by GitHub
commit 15bf905515
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2 changed files with 40 additions and 9 deletions
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1
src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml
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@ -41,6 +41,7 @@
<hc:NotifyIcon Token="{x:Static data:MessageToken.NotifyIconDemo}" Text="HandyControl" IsBlink="{Binding ContextMenuIsBlink}" Visibility="{Binding ContextMenuIsShow,Converter={StaticResource Boolean2VisibilityConverter}}">
<hc:NotifyIcon.ContextMenu>
<ContextMenu>
<MenuItem Command="{Binding SendNotificationCmd}" Header="{x:Static langs:Lang.SendNotification}"/>
<MenuItem Command="hc:ControlCommands.PushMainWindow2Top" Header="{x:Static langs:Lang.OpenPanel}"/>
<MenuItem Command="hc:ControlCommands.ShutdownApp" Header="{x:Static langs:Lang.Exit}"/>
</ContextMenu>

30
src/Shared/HandyControl_Shared/Controls/Other/NotifyIcon.cs
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@ -6,6 +6,7 @@ using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;
@ -62,6 +63,8 @@ namespace HandyControl.Controls
static NotifyIcon()
{
VisibilityProperty.OverrideMetadata(typeof(NotifyIcon), new PropertyMetadata(Visibility.Visible, OnVisibilityChanged));
DataContextProperty.OverrideMetadata(typeof(NotifyIcon), new FrameworkPropertyMetadata(DataContextPropertyChanged));
ContextMenuProperty.OverrideMetadata(typeof(NotifyIcon), new FrameworkPropertyMetadata(ContextMenuPropertyChanged));
}
private static void OnVisibilityChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
@ -83,6 +86,24 @@ namespace HandyControl.Controls
}
}
private static void DataContextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
((NotifyIcon) d).OnDataContextPropertyChanged(e);
private void OnDataContextPropertyChanged(DependencyPropertyChangedEventArgs e)
{
UpdateDataContext(_contextContent, e.OldValue, e.NewValue);
UpdateDataContext(ContextMenu, e.OldValue, e.NewValue);
}
private static void ContextMenuPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var ctl = (NotifyIcon)d;
ctl.OnContextMenuPropertyChanged(e);
}
private void OnContextMenuPropertyChanged(DependencyPropertyChangedEventArgs e) =>
UpdateDataContext((ContextMenu) e.NewValue, null, DataContext);
public NotifyIcon()
{
_id = ++NextId;
@ -676,6 +697,15 @@ namespace HandyControl.Controls
remove => RemoveHandler(MouseDoubleClickEvent, value);
}
private void UpdateDataContext(FrameworkElement target, object oldValue, object newValue)
{
if (target == null || BindingOperations.GetBindingExpression(target, DataContextProperty) != null) return;
if (ReferenceEquals(this, target.DataContext) || Equals(oldValue, target.DataContext))
{
target.DataContext = newValue ?? this;
}
}
private void Dispose(bool disposing)
{
if (_isDisposed) return;