// Khi click vào nút tìm kiếm
private void Window_Loaded(object sender, RoutedEventArgs e)
{
this.Show();
var config = ConfigurationManager.AppSettings["ShowSplash"];
if (config.ToLower() == "true")
{
var screen = new Views.SplashWindow();
screen.ShowDialog();
}
CurrentViewModel = GridMain.DataContext as MainViewModel;
}
public MainWindowViewModel(IRegionManager regionManager, IEventAggregator eventAggregator)
{
this.eventAggregator = eventAggregator;
#region 属性初始化
Window mainWindow = Application.Current.MainWindow;
WinState = WindowState.Normal;
MinimizeIcon = SystemIcon.Instance().Minimize;
ResizeIcon = SystemIcon.Instance().Maximize;
CloseIcon = SystemIcon.Instance().Close;
SkinIcon = SystemIcon.Instance().Skin;
#endregion
#region 订阅
// 订阅导航事件
eventAggregator.GetEvent <NavigationEvent>().Subscribe((view) =>
{
var param = new NavigationParameters
{
{ "Parent", view.ParentViewName },
{ "Parameter", view.Parameter }
};
regionManager.RequestNavigate("ContentRegion", view.ViewName, param);
});
// 订阅消息发送事件
string oldMessage;
eventAggregator.GetEvent <MessageEvent>().Subscribe((message) =>
{
MessageVisibility = Visibility.Visible;
oldMessage = Message;
Message = message;
int sleep = 2000;
if (oldMessage == Message)
{
sleep = 1500;
}
Thread.Sleep(sleep);
MessageVisibility = Visibility.Hidden;
}, ThreadOption.BackgroundThread);
#endregion
#region 命令定义
// window加载后执行的事件
LoadedCommand = new DelegateCommand(() =>
{
clipboardHooker = new ClipboardHooker(Application.Current.MainWindow);
clipboardHooker.ClipboardUpdated += OnClipboardUpdated;
// 进入首页
var param = new NavigationParameters
{
{ "Parent", "" },
{ "Parameter", "start" }
};
regionManager.RequestNavigate("ContentRegion", ViewIndexViewModel.Tag, param);
// 关闭欢迎页
if (App.Dictionary.ContainsKey("SplashWindow"))
{
Views.SplashWindow sw = App.Dictionary["SplashWindow"] as Views.SplashWindow;
// 在sw的线程上关闭SplashWindow
sw.Dispatcher.Invoke(() => sw.Close());
}
// 设置焦点
Application.Current.MainWindow.Activate();
});
// 顶部caption栏的点击事件，包括双击和拖动
int times = 0;
DragMoveCommand = new DelegateCommand(() =>
{
// caption 双击事件
times += 1;
DispatcherTimer timer = new DispatcherTimer
{
Interval = new TimeSpan(0, 0, 0, 0, 300)
};
timer.Tick += (s, e) => { timer.IsEnabled = false; times = 0; };
timer.IsEnabled = true;
if (times % 2 == 0)
{
timer.IsEnabled = false;
times = 0;
WinState = WinState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
}
// caption 拖动事件
try
{
mainWindow.DragMove();
}
catch { }
});
// 最小化窗口事件
MinimizeCommand = new DelegateCommand(() =>
{
mainWindow.WindowState = WindowState.Minimized;
});
MinimizeEnterCommand = new DelegateCommand(() =>
{
SetEnterStyle(MinimizeIcon);
});
MinimizeLeaveCommand = new DelegateCommand(() =>
{
SetLeaveStyle(MinimizeIcon);
});
// 最大化/还原窗口事件
ResizeCommand = new DelegateCommand(() =>
{
WinState = WinState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
});
ResizeEnterCommand = new DelegateCommand(() =>
{
SetEnterStyle(ResizeIcon);
});
ResizeLeaveCommand = new DelegateCommand(() =>
{
SetLeaveStyle(ResizeIcon);
});
// 关闭窗口事件
CloseCommand = new DelegateCommand(() =>
{
if (clipboardHooker != null)
{
clipboardHooker.ClipboardUpdated -= OnClipboardUpdated;
clipboardHooker.Dispose();
}
mainWindow.Close();
});
CloseEnterCommand = new DelegateCommand(() =>
{
SetEnterStyle(CloseIcon);
});
CloseLeaveCommand = new DelegateCommand(() =>
{
SetLeaveStyle(CloseIcon);
});
// 皮肤按钮点击事件
SkinCommand = new DelegateCommand(() =>
{
// 设置主题
DictionaryResource.LoadTheme("ThemeDiy");
// 切换语言
DictionaryResource.LoadLanguage("en_US");
});
SkinEnterCommand = new DelegateCommand(() =>
{
SetEnterStyle(SkinIcon);
});
SkinLeaveCommand = new DelegateCommand(() =>
{
SetLeaveStyle(SkinIcon);
});
#endregion
}
