static UIElement LocateForModelType(Type modelType, DependencyObject viewLocation, object context,
Func <Type, DependencyObject, object, UIElement> original)
{
string viewTypeName;
if (modelType.Assembly != Assembly.GetExecutingAssembly())
{
var name = "Raven.Studio.Data." + modelType.Name;
if (name.Contains("`"))
{
name = name.Substring(0, name.IndexOf("`"));
}
viewTypeName = name + "View";
if (context != null)
{
viewTypeName = viewTypeName.Remove(viewTypeName.Length - 4, 4);
viewTypeName = viewTypeName + "." + context;
}
var viewType = (from assmebly in AssemblySource.Instance
from type in assmebly.GetExportedTypes()
where type.FullName == viewTypeName
select type).FirstOrDefault();
if (viewType != null)
{
return(ViewLocator.GetOrCreateViewType(viewType));
}
}
return(original(modelType, viewLocation, context));
}
public static UIElement LocateForModelType(
Type modelType,
DependencyObject viewLocation,
object context,
Func <Type, DependencyObject, object, UIElement> original)
{
// case 1: types that are not in the Studio assembly
if (modelType.Assembly != Assembly.GetExecutingAssembly())
{
UIElement view;
if (TryResolveViewFromExternalAssembly(modelType, context, out view))
{
return(view);
}
}
// case 2: simplified convention
string viewTypeName = modelType.FullName + "View";
Type viewType = (from assmebly in AssemblySource.Instance
from type in assmebly.GetExportedTypes()
where type.FullName == viewTypeName
select type).FirstOrDefault();
if (viewType != null)
{
return(ViewLocator.GetOrCreateViewType(viewType));
}
// case 3: apply the default when all else fails
return(original(modelType, viewLocation, context));
}
static bool TryResolveViewFromPluginAssembly(Type modelType, object context, out UIElement view)
{
view = null;
var viewType = GetViewType(modelType, context, modelType.Assembly);
if (viewType != null)
{
view = ViewLocator.GetOrCreateViewType(viewType);
return(true);
}
return(false);
}
private void InitializeViewLocator(IBootstrapper bootstrapper)
{
//overriden for performance reasons (Assembly caching)
ViewLocator.LocateTypeForModelType = (modelType, displayLocation, context) =>
{
var viewTypeName = modelType.FullName.Substring(0, modelType.FullName.IndexOf("`") < 0
? modelType.FullName.Length
: modelType.FullName.IndexOf("`")
).Replace("Model", string.Empty);
if (context != null)
{
viewTypeName = viewTypeName.Remove(viewTypeName.Length - 4, 4);
viewTypeName = viewTypeName + "." + context;
}
Type viewType;
if (!_typedic.TryGetValue(viewTypeName, out viewType))
{
_typedic[viewTypeName] = viewType = (from assembly in bootstrapper.Assemblies
from type in assembly
#if NET || NETCORE
.GetExportedTypes()
#endif
#if WINDOWS_UWP || NETFX_CORE
.DefinedTypes
#endif
where type.FullName == viewTypeName
select type
#if WINDOWS_UWP || NETFX_CORE
.AsType()
#endif
).FirstOrDefault();
}
return(viewType);
};
ViewLocator.LocateForModelType = (modelType, displayLocation, context) =>
{
var viewType = ViewLocator.LocateTypeForModelType(modelType, displayLocation, context);
return(viewType == null
? new TextBlock
{
Text = $"Cannot find view for\nModel: {modelType}\nContext: {context} ."
}
: ViewLocator.GetOrCreateViewType(viewType));
};
}
public static void Initialize()
{
Func <DependencyObject, string, TriggerBase> defaultCreateTrigger = Parser.CreateTrigger;
Parser.CreateTrigger = (target, triggerText) =>
{
if (triggerText == null)
{
return(defaultCreateTrigger(target, null));
}
string triggerDetail = triggerText
.Replace("[", string.Empty)
.Replace("]", string.Empty);
string[] splits = triggerDetail.Split((char[])null, StringSplitOptions.RemoveEmptyEntries);
switch (splits[0])
{
case "Key":
Key key = (Key)Enum.Parse(typeof(Key), splits[1], true);
return(new KeyTrigger {
Key = key
});
case "Gesture":
MultiKeyGesture gesture = (MultiKeyGesture)(new MultiKeyGestureConverter()).ConvertFrom(splits[1]);
return(new KeyTrigger {
Modifiers = gesture.KeySequences[0].Modifiers, Key = gesture.KeySequences[0].Keys[0]
});
}
return(defaultCreateTrigger(target, triggerText));
};
Func <Type, DependencyObject, object, UIElement> defaultFunction = ViewLocator.LocateForModelType;
ViewLocator.LocateForModelType = (type, o, arg) =>
{
if (typeof(ISettingsSectionViewModel).IsAssignableFrom(type))
{
return(ViewLocator.GetOrCreateViewType(typeof(FormSettingSectionView)));
}
return(defaultFunction(type, o, arg));
};
}
private static void ConfigureViewLocator()
{
ViewLocator.LocateForModelType = (presenter, displayLocation, context) =>
{
if (presenter.Name.Contains("Proxy"))
{
presenter = presenter.BaseType;
}
var viewType = context == null
? Assembly.GetExecutingAssembly().GetType(presenter.Namespace + ".View")
: Assembly.GetExecutingAssembly().GetType(presenter.Namespace + "." + context.ToString());
Asrt.True(viewType != null, String.Format("Could not find View for ViewModel: {0}.", presenter));
return(ViewLocator.GetOrCreateViewType(viewType));
};
}
static bool TryResolveViewFromApi(Type modelType, object context, out UIElement view)
{
view = null;
var name = "Raven.Studio.Data." + modelType.Name;
if (name.Contains("`"))
{
name = name.Substring(0, name.IndexOf("`"));
}
var viewType = GetViewType(modelType, context, AssemblySource.Instance.ToArray());
if (viewType != null)
{
view = ViewLocator.GetOrCreateViewType(viewType);
return(true);
}
return(false);
}
public static void ConfigureViewLocator()
{
ViewLocator.LocateForModelType = (modelType, displayLocation, context) =>
{
var useViewAttributes = modelType.GetCustomAttributes(typeof(UseViewAttribute), true)
.Cast <UseViewAttribute>();
Contract.Assert(useViewAttributes.Count() <= 1, "There can only be zero or one UseViewAttribute on a view model");
string viewTypeName;
if (useViewAttributes.Count() == 1)
{
viewTypeName = string.Concat(modelType.Namespace.Substring(0, modelType.Namespace.IndexOf(".ViewModels")), ".Views.",
useViewAttributes.First().ViewName);
}
else
{
viewTypeName = modelType.FullName.Replace("Model", string.Empty);
if (context != null)
{
viewTypeName = viewTypeName.Remove(viewTypeName.Length - 4, 4);
viewTypeName = viewTypeName + "." + context;
}
}
var viewType = (from assembly in AssemblySource.Instance
from type in assembly.GetExportedTypes()
where type.FullName == viewTypeName
select type).FirstOrDefault();
return(viewType == null
? new TextBlock {
Text = string.Format("{0} not found.", viewTypeName)
}
: ViewLocator.GetOrCreateViewType(viewType));
};
}
public void Init(bool failfast)
{
MessageBus.Current.RegisterScheduler <string>(ImmediateScheduler.Instance, "db");
ConventionManager.Singularize = s => {
if (s == "Taxes")
{
return("Tax");
}
if (s == "Value")
{
return(s);
}
return(s.Singularize() ?? s);
};
//нужно затем что бы можно было делать модели без суффикса ViewModel
//достаточно что бы они лежали в пространстве имен ViewModels
ViewLocator.NameTransformer.AddRule(
@"(?<nsbefore>([A-Za-z_]\w*\.)*)(?<subns>ViewModels\.)"
+ @"(?<nsafter>([A-Za-z_]\w*\.)*)(?<basename>[A-Za-z_]\w*)"
+ @"(?!<suffix>ViewModel)$",
"${nsbefore}Views.${nsafter}${basename}View");
//что бы не нужно было использовать суффиксы View и ViewModel
ViewLocator.NameTransformer.AddRule(
@"(?<nsbefore>([A-Za-z_]\w*\.)*)(?<subns>ViewModels\.)"
+ @"(?<nsafter>([A-Za-z_]\w*\.)*)(?<basename>[A-Za-z_]\w*)"
+ @"(?!<suffix>)$",
"${nsbefore}Views.${nsafter}${basename}");
//безумие - сам по себе Caliburn если не найден view покажет текст Cannot find view for
//ни исключения ни ошибки в лог
ViewLocator.LocateForModelType = (modelType, displayLocation, context) => {
var viewType = ViewLocator.LocateTypeForModelType(modelType, displayLocation, context);
if (viewType == null)
{
if (failfast)
{
throw new Exception(String.Format("Не удалось найти вид для отображения {0}", modelType));
}
else
{
log.ErrorFormat("Не удалось найти вид для отображения {0}", modelType);
}
}
return(viewType == null
? new TextBlock()
: ViewLocator.GetOrCreateViewType(viewType));
};
Conventions.Register();
SaneCheckboxEditor.Register();
NotifyValueSupport.Register();
var customPropertyBinders = new Action <IEnumerable <FrameworkElement>, Type>[] {
EnabledBinder.Bind,
VisibilityBinder.Bind,
};
var customBinders = new Action <Type, IEnumerable <FrameworkElement>, List <FrameworkElement> >[] {
//сначала должен обрабатываться поиск и только потом переход
SearchBinder.Bind,
NavBinder.Bind,
EnterBinder.Bind,
};
var defaultBindProperties = ViewModelBinder.BindProperties;
var defaultBindActions = ViewModelBinder.BindActions;
var defaultBind = ViewModelBinder.Bind;
ViewModelBinder.Bind = (viewModel, view, context) => {
if ((bool)view.GetValue(ViewModelBinder.ConventionsAppliedProperty))
{
return;
}
defaultBind(viewModel, view, context);
ContentElementBinder.Bind(viewModel, view, context);
Commands.Bind(viewModel, view, context);
var baseScreen = viewModel as BaseScreen;
//этот метод будет вызваться каждый раз при активации\деактивации формы
//что бы избежать множественных подписок
if (baseScreen != null && !baseScreen.ResultsSink.HasObservers)
{
baseScreen.ResultsSink
.CatchSubscribe(r => Coroutine.BeginExecute(new List <IResult> {
r
}.GetEnumerator(), new ActionExecutionContext {
View = view
}), baseScreen.CloseCancellation);
}
var baseShell = viewModel as BaseShell;
if (baseShell != null && !baseShell.ResultsSink.HasObservers)
{
baseShell.ResultsSink
.CatchSubscribe(r => Coroutine.BeginExecute(new List <IResult> {
r
}.GetEnumerator(), new ActionExecutionContext {
View = view
}), baseShell.CancelDisposable);
}
};
ViewModelBinder.BindProperties = (elements, type) => {
foreach (var binder in customPropertyBinders)
{
binder(elements, type);
}
return(defaultBindProperties(elements, type));
};
ViewModelBinder.BindActions = (elements, type) => {
var binded = defaultBindActions(elements, type).ToList();
foreach (var binder in customBinders)
{
binder(type, elements, binded);
}
return(elements);
};
}
