protected override void Invoke(object parameter)
{
try
{
if (IsSingleton)
{
var targetWindow = Application.Current.Windows.OfType <Window>().FirstOrDefault(m => m.GetType() == WindowType);
if (targetWindow != null)
{
targetWindow.Activate();
return;
}
}
if (this.ChenckingFuncBeforeOpenning != null)
{
if (!ChenckingFuncBeforeOpenning())
{
return;
}
}
if (CommandBeforeOpen != null)
{
CommandBeforeOpen.Execute(null);
}
if (!string.IsNullOrWhiteSpace(MethodBeforeOpen))
{
MethodInfo method = null;
// 如果没有指定 MethodOfTargetObject，则默认为 AssociatedObject 的 DataContext (通常是 ViewModel)
if (MethodOfTargetObject == null && MethodOfTargetObject is FrameworkElement)
{
var dataContext = (MethodOfTargetObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodBeforeOpen, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(dataContext, null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodBeforeOpen, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(MethodOfTargetObject, null);
}
return;
}
WindowShow();
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Overrides Invoke method
/// </summary>
/// <param name="parameter"></param>
protected override void Invoke(object parameter)
{
if (ChenckingFuncBeforeOpenning != null && !ChenckingFuncBeforeOpenning())
{
return;
}
if (CommandBeforeOpen != null)
{
CommandBeforeOpen.Execute(null);
}
Window window = null;
object windowObj = null;
try
{
windowObj = Activator.CreateInstance(WindowType);
window = windowObj as Window;
}
catch (Exception ex)
{
throw new InvalidOperationException("Cannot create a window with the given type", ex);
}
var closeEventHanlder = new EventHandler((s, e) =>
{
// check if need to process the return value
object returnValue = window.TryGetReturnValue();
// first execute CommandAfterClose command, then invoke MethodAfterClose method (if they are set)
CommandAfterClose?.Execute(returnValue);
if (!string.IsNullOrWhiteSpace(MethodAfterClose))
{
MethodInfo method = null;
// if MethodOfTargetObject is not set, then the DataContext of AssociatedObject will be used as such a purpose
if (MethodOfTargetObject == null)
{
var dataContext = (AssociatedObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(dataContext, returnValue != null ? new object[] { returnValue } : null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(MethodOfTargetObject, returnValue != null ? new object[] { returnValue } : null);
}
}
});
window.Closed -= closeEventHanlder;
window.Closed += closeEventHanlder;
if (window.DataContext != null && window.DataContext is ViewModelRootBase)
{
// set the data to viewmodel
(window.DataContext as ViewModelRootBase).Data = Parameter;
}
if (IsModal)
{
// set the owner
window.Owner = AppWindow.GetCurrentActivatedWindow();
window.ShowDialog();
}
else
{
window.Show();
}
}
protected override async void Invoke(object parameter)
{
try
{
if (IsSingleton)
{
var targetWindow = Application.Current.Windows.OfType <Window>().FirstOrDefault(m => m.GetType() == WindowType);
if (targetWindow != null)
{
targetWindow.Activate();
return;
}
}
if (this.ChenckingFuncBeforeOpenning != null)
{
if (!ChenckingFuncBeforeOpenning())
{
return;
}
}
if (CommandBeforeOpen != null)
{
CommandBeforeOpen.Execute(null);
}
if (!string.IsNullOrWhiteSpace(MethodBeforeOpen))
{
MethodInfo method = null;
Task task = null;
// 如果没有指定 MethodOfTargetObject，则默认为 AssociatedObject 的 DataContext (通常是 ViewModel)
if (MethodOfTargetObject == null && MethodOfTargetObject is FrameworkElement)
{
var dataContext = (MethodOfTargetObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodBeforeOpen, BindingFlags.Public | BindingFlags.Instance);
task = (Task)method?.Invoke(dataContext, null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodBeforeOpen, BindingFlags.Public | BindingFlags.Instance);
task = (Task)method?.Invoke(MethodOfTargetObject, null);
}
if (task != null)
{
await task;
}
}
if (WindowType == null)
{
WindowType = ContainerExtension.GetWindowObject(WindowName);
}
var windowObj = Activator.CreateInstance(WindowType);
var window = windowObj as Window;
window.Closed += (s, e) =>
{
// 获取 Return Value
object returnValue = null;
if (window.DataContext != null)
{
if (window.DataContext is IDialogResult dialogResult)
{
returnValue = dialogResult;
}
}
// 先调用 Command（如果设置了），再调用方法（如果同样设置了）
// TODO: 这里临时这样做，如果没有返回值，则在调用 After Close 系列方法时，传入 Parameter 参数
//if (returnValue == null)
//{
// returnValue = Parameter;
//}
CommandAfterClose?.Execute(returnValue);
// 再调用方法
if (!string.IsNullOrWhiteSpace(MethodAfterClose))
{
MethodInfo method = null;
// 如果没有指定 MethodOfTargetObject，则默认为 AssociatedObject 的 DataContext (通常是 ViewModel)
if (MethodOfTargetObject == null && MethodOfTargetObject is FrameworkElement)
{
var dataContext = (MethodOfTargetObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(dataContext, returnValue != null ? new object[] { returnValue } : null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(MethodOfTargetObject, returnValue != null ? new object[] { returnValue } : null);
}
}
};
if (window.DataContext != null && window.DataContext is IDialogResult)
{
(window.DataContext as IDialogResult).Parameters = Parameter as IDialogParameters;
}
else
{
window.Tag = Parameter;
}
if (IsModal)
{
window.Owner = WindowOperation.GetCurrentActivatedWindow();
window.ShowDialog();
}
else
{
window.Show();
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Overrides Invoke method
/// </summary>
/// <param name="parameter"></param>
protected override void Invoke(object parameter)
{
if (PreCheckFuncBeforeOpen != null && !PreCheckFuncBeforeOpen())
{
return;
}
try
{
var windowObj = Activator.CreateInstance(WindowType);
var window = windowObj as Window;
var closeEventHanlder = new EventHandler((s, e) =>
{
// first execute CommandAfterClose command, then invoke MethodAfterClose method (if they are set)
CommandAfterClose?.Execute(null);
if (!string.IsNullOrWhiteSpace(MethodAfterClose))
{
MethodInfo method = null;
// if MethodOfTargetObject is not set, then the DataContext of AssociatedObject will be used as such a purpose
if (MethodOfTargetObject == null && MethodOfTargetObject is FrameworkElement)
{
var dataContext = (MethodOfTargetObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(dataContext, null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(MethodOfTargetObject, null);
}
}
});
window.Closed += closeEventHanlder;
if (window.DataContext != null && window.DataContext is ViewModelRootBase)
{
// set the data to viewmodel
(window.DataContext as ViewModelRootBase).Data = Parameter;
}
else
{
window.Tag = Parameter;
}
if (IsModal)
{
window.ShowDialog();
}
else
{
window.Show();
}
}
catch (Exception ex)
{
Trace.WriteLine(ex);
}
}
private void WindowShow()
{
if (WindowType == null)
{
WindowType = ContainerExtension.GetWindowObject(WindowName);
}
var windowObj = Activator.CreateInstance(WindowType);
var window = windowObj as Window;
window.Closed += (s, e) =>
{
// 获取 Return Value
object returnValue = null;
if (window.DataContext != null)
{
if (window.DataContext is IDialogResult dialogResult)
{
returnValue = dialogResult;
}
}
// 先调用 Command（如果设置了），再调用方法（如果同样设置了）
// TODO: 这里临时这样做，如果没有返回值，则在调用 After Close 系列方法时，传入 Parameter 参数
//if (returnValue == null)
//{
// returnValue = Parameter;
//}
CommandAfterClose?.Execute(returnValue);
// 再调用方法
if (!string.IsNullOrWhiteSpace(MethodAfterClose))
{
MethodInfo method = null;
// 如果没有指定 MethodOfTargetObject，则默认为 AssociatedObject 的 DataContext (通常是 ViewModel)
if (MethodOfTargetObject == null && MethodOfTargetObject is FrameworkElement)
{
var dataContext = (MethodOfTargetObject as FrameworkElement).DataContext;
if (dataContext != null)
{
method = dataContext.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(dataContext, returnValue != null ? new object[] { returnValue } : null);
}
}
else
{
method = MethodOfTargetObject?.GetType().GetMethod(MethodAfterClose, BindingFlags.Public | BindingFlags.Instance);
method?.Invoke(MethodOfTargetObject, returnValue != null ? new object[] { returnValue } : null);
}
}
};
if (window.DataContext != null && window.DataContext is IDialogResult)
{
(window.DataContext as IDialogResult).Parameters = Parameter as IDialogParameters;
}
else
{
window.Tag = Parameter;
}
if (IsHandleWindow)
{
if (IsModal)
{
WindowHandleManagement.HandleShowDialogWindow(new IntPtr(1), window, true);
}
else
{
WindowHandleManagement.HandleShowWindow(new IntPtr(1), window, true);
}
}
else
{
window.Owner = WindowOperation.GetCurrentActivatedWindow();
if (IsModal)
{
window.ShowDialog();
}
else
{
window.Show();
}
}
}
