public IBindingContext CreateContext()
{
var context = BindingContext.Create();
foreach (var binding in m_bindings)
{
List <IBindingRequirement> requirements = new List <IBindingRequirement>();
foreach (var req in binding.Dependencies)
{
var realReq = BindingRequirements.Instance.With(req.name, req.BindingType);
requirements.Add(realReq);
}
var args = new List <Type>(binding.Factory.GetParameters().Select(p => p.ParameterType));
args.Add(binding.Factory.ReturnType);
var delegateType = Expression.GetFuncType(args.ToArray());
var factory = System.Delegate.CreateDelegate(delegateType, binding.Factory);
IBinding realBinding = new Binding(factory, requirements.ToArray());
if (binding.Singleton)
{
realBinding = new SingletonBinding(realBinding);
}
AddToContext(context, binding.Root, realBinding, binding.Subcontexts);
}
return(context);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
View.Frame = UIScreen.MainScreen.Bounds;
View.BackgroundColor = UIColor.White;
View.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
UILabel label = new UILabel(new RectangleF(0, 30, View.Frame.Width, 50));
View.AddSubview(label);
button = UIButton.FromType(UIButtonType.RoundedRect);
button.Frame = new RectangleF(
View.Frame.Width / 2 - buttonWidth / 2,
View.Frame.Height / 2 - buttonHeight / 2,
buttonWidth,
buttonHeight);
button.SetTitle("Click me", UIControlState.Normal);
View.AddSubview(button);
// Do the bindings.
TestViewModel vm = new TestViewModel();
BindingContext.Create(vm)
.Add(s => s.TotalClicks, label, l => l.Text)
.Add(s => s.TotalClicks, s => button.SetTitle("Total Clicks is now " + s.TotalClicks, UIControlState.Normal));
CommandBinder.Create()
.Add(button, "TouchUpInside", vm.IncrementCounter,
stateChanged: tf => button.Enabled = tf);
}
internal static TemplateDelegate CompileView(ViewReaderFactory readerFactoryFactory, string templatePath, CompilationContext compilationContext)
{
var configuration = compilationContext.Configuration;
IEnumerable <object> tokens;
using (var sr = readerFactoryFactory(configuration, templatePath))
{
using (var reader = new ExtendedStringReader(sr))
{
tokens = Tokenizer.Tokenize(reader).ToArray();
}
}
var layoutToken = tokens.OfType <LayoutToken>().SingleOrDefault();
var expressions = ExpressionBuilder.ConvertTokensToExpressions(tokens, configuration);
var compiledView = FunctionBuilder.Compile(expressions, compilationContext);
if (layoutToken == null)
{
return(compiledView);
}
var fs = configuration.FileSystem;
var layoutPath = fs.Closest(templatePath, layoutToken.Value + ".hbs");
if (layoutPath == null)
{
throw new InvalidOperationException($"Cannot find layout '{layoutToken.Value}' for template '{templatePath}'");
}
var compiledLayout = CompileView(readerFactoryFactory, layoutPath, new CompilationContext(compilationContext));
return((in EncodedTextWriter writer, BindingContext context) =>
{
var config = context.Configuration;
using var bindingContext = BindingContext.Create(config, null);
foreach (var pair in context.ContextDataObject)
{
switch (pair.Key.WellKnownVariable)
{
case WellKnownVariable.Parent:
case WellKnownVariable.Root:
continue;
}
bindingContext.ContextDataObject[pair.Key] = pair.Value;
}
using var innerWriter = ReusableStringWriter.Get(config.FormatProvider);
using var textWriter = new EncodedTextWriter(innerWriter, config.TextEncoder, FormatterProvider.Current, true);
compiledView(textWriter, context);
var inner = innerWriter.ToString();
var viewModel = new LayoutViewModel(inner, context.Value);
bindingContext.Value = viewModel;
compiledLayout(writer, bindingContext);
});
internal static TemplateDelegate CompileView(ViewReaderFactory readerFactoryFactory, string templatePath, CompilationContext compilationContext)
{
var configuration = compilationContext.Configuration;
IEnumerable <object> tokens;
using (var sr = readerFactoryFactory(configuration, templatePath))
{
using (var reader = new ExtendedStringReader(sr))
{
tokens = Tokenizer.Tokenize(reader).ToArray();
}
}
var layoutToken = tokens.OfType <LayoutToken>().SingleOrDefault();
var expressions = ExpressionBuilder.ConvertTokensToExpressions(tokens, configuration);
var compiledView = FunctionBuilder.Compile(expressions, compilationContext);
if (layoutToken == null)
{
return(compiledView);
}
var fs = configuration.FileSystem;
var layoutPath = fs.Closest(templatePath, layoutToken.Value + ".hbs");
if (layoutPath == null)
{
throw new InvalidOperationException($"Cannot find layout '{layoutToken.Value}' for template '{templatePath}'");
}
var compiledLayout = CompileView(readerFactoryFactory, layoutPath, new CompilationContext(compilationContext));
return((in EncodedTextWriter writer, BindingContext context) =>
{
var config = context.Configuration;
using var innerWriter = ReusableStringWriter.Get(config.FormatProvider);
using var textWriter = new EncodedTextWriter(innerWriter, config.TextEncoder, config.UnresolvedBindingFormatter, true);
compiledView(textWriter, context);
var inner = innerWriter.ToString();
var vmContext = new [] { new { body = inner }, context.Value };
var viewModel = new DynamicViewModel(vmContext);
using var bindingContext = BindingContext.Create(config, viewModel);
compiledLayout(writer, bindingContext);
});
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.MyButton);
TextView label = FindViewById <TextView>(Resource.Id.TheLabel);
// Do the bindings.
TestViewModel vm = new TestViewModel();
BindingContext.Create(vm)
.Add(s => s.TotalClicks, label, l => l.Text)
.Add(s => s.TotalClicks, s => button.Text = "Total Clicks is now " + s.TotalClicks);
CommandBinder.Create().Add(button, "Click", vm.IncrementCounter);
}
public void ExpandTokenGroupsViaCrackNames()
{
//point this to a user in the directory
DirectoryEntry user = TestUtils.CreateDirectoryEntry(
"CN=User1,OU=Users," + TestUtils.Settings.DefaultPartition);
//you can use another overload to pass credentials
using (BindingContext ctx = BindingContext.Create())
using (user)
{
//convert to array of string SIDs
int size = user.Properties["tokenGroups"].Count;
PropertyValueCollection pvc = user.Properties["tokenGroups"];
string[] sids = new string[size];
for (int i = 0; i < size; i++)
{
sids[i] = AdUtils.ConvertSidToString((byte[])pvc[i]);
}
//we want to pass in the SID format and retrieve
//the NT Format names. This utility class is
//included in our web site library samples
//groupNames contains all the converted groups now
string[] groupNames = AdUtils.DsCrackNamesWrapper(
sids,
ctx.Handle,
DS_NAME_FORMAT.DS_SID_OR_SID_HISTORY_NAME,
DS_NAME_FORMAT.DS_NT4_ACCOUNT_NAME
);
foreach (string group in groupNames)
{
Console.WriteLine(group);
}
}
}
public static IBindingContext GetSubcontext(this IBindingContext me, params object[] names)
{
IBindingContext context = me;
var length = names.Length;
for (int i = 0; i < length; ++i)
{
var name = names[i];
IBindingContext currentContext;
if (!context.TryGet <IBindingContext>(name, out currentContext))
{
currentContext = BindingContext.Create();
currentContext.FallBack(context);
context.Bind <IBindingContext>(name).To(currentContext);
}
context = currentContext;
}
return(context);
}
