public TaskViewModel()
{
AddTask = new RoutedCommand(CreateTasked);
}
public CommandBinding(RoutedCommand command, ExecuteEventHandler executeEventHandler,
QueryEnabledEventHandler queryEnabledEventHandler)
{
_command = command;
_executeEventHandler = executeEventHandler;
_queryEnabledEventHandler = queryEnabledEventHandler;
}
public OrderViewModel()
{
NewOrders = new RoutedCommand(NewOrder);
AddOrder = new RoutedCommand(CreateOrder);
UpdateOrder = new RoutedCommand(EditOrder);
DeleteOrder = new RoutedCommand(RemoveOrder);
LoadOrders();
Order = new Order();
}
public CommandBinding(RoutedCommand command, ExecuteEventHandler executeEventHandler)
: this(command, executeEventHandler, null) {}
public static void RemoveCommandExecutedHandler(this CommandBindingCollection collection, RoutedCommand command, ExecutedRoutedEventHandler handler)
{
CommandBinding binding = GetBinding(collection, command);
if (binding != null)
{
binding.Executed -= handler;
}
}
public CommandBinding(RoutedCommand command) : this(command, null) {}
public static void RemoveCommandPreviewCanExecuteHandler(this CommandBindingCollection collection, RoutedCommand command, CanExecuteRoutedEventHandler handler)
{
CommandBinding binding = GetBinding(collection, command);
if (binding != null)
{
binding.PreviewCanExecute -= handler;
}
}
public static void AddCommandExecutedHandler(this CommandBindingCollection collection, RoutedCommand command, ExecutedRoutedEventHandler handler)
{
CommandBinding binding = GetOrCreateBinding(collection, command);
// Remove the handler if it already exist
binding.Executed -= handler;
binding.Executed += handler;
}
public static void AddCommandPreviewCanExecuteHandler(this CommandBindingCollection collection, RoutedCommand command, CanExecuteRoutedEventHandler handler)
{
CommandBinding binding = GetOrCreateBinding(collection, command);
// Remove the handler if it already exist
binding.PreviewCanExecute -= handler;
binding.PreviewCanExecute += handler;
}
private static RoutedCommand DeclareCommand(ref RoutedCommand command,
string commandDebugName)
{
return(DeclareCommand(ref command, commandDebugName, null));
}
public Start()
{
InitializeComponent();
//获取MC类
MC mc = MC.GetMC();
//将Name绑定到mc的Name属性
GameName.SetBinding(TextBox.TextProperty, new Binding("Name")
{
Source = mc, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged, Mode = BindingMode.TwoWay
});
//设置Vers的源由MCseting提供
Vers.ItemsSource = MCSetting.AllVer;
//创建启动路由命令
RoutedCommand StartCommand = new RoutedCommand();
//设置命令快捷键
StartCommand.InputGestures.Add(new KeyGesture(Key.S, ModifierKeys.Alt));
//创造命令绑定
CommandBinding StartCommandBinding = new CommandBinding(StartCommand);
//将Ver绑定
Vers.SetBinding(ComboBox.SelectedItemProperty, new Binding("Ver")
{
Source = mc, UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged, Mode = BindingMode.TwoWay
});
//设置什么时候命令可以执行
StartCommandBinding.CanExecute += (s, e) =>
{
if (mc.IsReady())
{
e.CanExecute = true;
}
else
{
e.CanExecute = false;
}
e.Handled = true;
};
//设置执行的内容
StartCommandBinding.Executed += (s, e) =>
{
var setting = MCsettingJSONModel.GetConfig;
setting.Name = mc.Name;
var mcsetting = MCSetting.GetSetting();
setting.JavaPath = mcsetting.JavaPath;
setting.MaxRam = mcsetting.MaxRam;
setting.MCVer = mc.Ver.Name;
MCsettingJSONModel.GetConfig = setting;
try
{
Load.Visibility = Visibility.Visible;
mc.Start();
Environment.Exit(0);
}
catch (ApplicationException ex)
{
var r = ModernDialog.ShowMessage($"在启动时出现了异常:{Environment.NewLine}信息:{ex.Message}{Environment.NewLine}源:{ex.Source}{Environment.NewLine}在方法{ex.TargetSite}中{Environment.NewLine}堆栈跟踪:{ex.StackTrace}", "异常", MessageBoxButton.YesNo);
if (r == MessageBoxResult.Yes)
{
Environment.FailFast("因异常而终止");
}
}
catch (System.IO.DirectoryNotFoundException ex)
{
var r = ModernDialog.ShowMessage($"在启动时出现了异常:{Environment.NewLine}信息:{ex.Message}{Environment.NewLine}源:{ex.Source}{Environment.NewLine}在方法{ex.TargetSite}中{Environment.NewLine}堆栈跟踪:{ex.StackTrace}", "异常", MessageBoxButton.YesNo);
if (r == MessageBoxResult.Yes)
{
Environment.FailFast("因异常而终止");
}
}
catch (System.IO.FileNotFoundException ex)
{
var r = ModernDialog.ShowMessage($"在启动时出现了异常:{Environment.NewLine}信息:{ex.Message}{Environment.NewLine}源:{ex.Source}{Environment.NewLine}在方法{ex.TargetSite}中{Environment.NewLine}堆栈跟踪:{ex.StackTrace}", "异常", MessageBoxButton.YesNo);
if (r == MessageBoxResult.Yes)
{
Environment.FailFast("因异常而终止");
}
}
finally
{
Load.Visibility = Visibility.Hidden;
}
e.Handled = true;
};
//添加命令到控件
Starter.Command = StartCommand;
//添加命令绑定
Starter.CommandBindings.Add(StartCommandBinding);
}