public void Dispose()
{
Unapply();
m_Target = null;
m_Source = null;
context = null;
bindingExpression = null;
}
public BindingNode(IBindingExpression bindingExpression, Type resultType, ITupleSource source)
{
BindingExpression = bindingExpression;
ResultType = resultType;
Source = source;
Source.Attach(this);
}
public static IBindingExpression SetBinding(IBindable target, string targetProperty, Binding binding)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (string.IsNullOrEmpty(targetProperty))
{
throw new ArgumentNullException("targetProperty");
}
if (binding == null)
{
throw new ArgumentNullException("binding");
}
var binderKey = _Bindings.SingleOrDefault((kvp) => kvp.Key.Object == target && kvp.Key.Property == targetProperty).Key;
IBindingExpression bindingExpression = null;
object nestedTarget = target;
var element = target as Element;
PropertyInfo propertyInfo = target.GetType().GetNestedProperty(ref nestedTarget, targetProperty, false);
var targetReady = propertyInfo != null && nestedTarget != null;
if (targetReady)
{
if (_BindingExpressions == null)
{
_BindingExpressions = new List <IBindingExpression>();
}
bindingExpression = GetBindingExpression(target, targetProperty);
if (bindingExpression == null)
{
bindingExpression = new BindingExpression(binding, propertyInfo, nestedTarget)
{
Element = element
};
_BindingExpressions.Add(bindingExpression);
var INPC = bindingExpression.Binding.Source as INotifyPropertyChanged;
if (INPC != null)
{
INPC.PropertyChanged -= HandleDataContextPropertyChanged;
INPC.PropertyChanged += HandleDataContextPropertyChanged;
}
}
}
else
{
if (binderKey == null)
{
_Bindings.Add(new PropertyBinder()
{
Object = target, Property = targetProperty
}, binding);
}
else
{
_Bindings[binderKey] = binding;
}
}
return(bindingExpression);
}
public static void SetNotificationCollectionHandler(IBindingExpression bindingExpression, INotifyCollectionChanged collection)
{
NotifyCollectionChangedEventHandler handler = (sender, e) =>
{
var section = bindingExpression.Element as ISection;
section.CollectionChanged(e);
// bindingExpression.UpdateTarget();
};
collection.CollectionChanged -= handler;
collection.CollectionChanged += handler;
}
public static IBindingExpression SetBinding(IBindable target, string targetProperty, Binding binding)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (string.IsNullOrEmpty(targetProperty))
{
throw new ArgumentNullException("targetProperty");
}
if (binding == null)
{
throw new ArgumentNullException("binding");
}
var binderKey = _Bindings.SingleOrDefault((kvp) => kvp.Key.Object == target && kvp.Key.Property == targetProperty).Key;
IBindingExpression bindingExpression = null;
object nestedTarget = target;
var element = target as IElement;
var name = string.Concat(targetProperty, "Property.Value");
MemberInfo memberInfo = target.GetType().GetNestedMember(ref nestedTarget, name, false);
if (memberInfo != null)
{
binding.TargetPath = name;
binding.Target = nestedTarget;
}
else
{
nestedTarget = target;
memberInfo = target.GetType().GetNestedMember(ref nestedTarget, targetProperty, false);
}
var targetReady = memberInfo != null && nestedTarget != null;
if (targetReady)
{
if (_BindingExpressions == null)
{
_BindingExpressions = new List <IBindingExpression>();
}
bindingExpression = GetBindingExpression(target, targetProperty);
if (bindingExpression == null)
{
bindingExpression = new BindingExpression(binding, memberInfo, nestedTarget)
{
Element = element
};
_BindingExpressions.Add(bindingExpression);
var vmINPC = bindingExpression.Binding.Source as INotifyPropertyChanged;
if (vmINPC != null)
{
vmINPC.PropertyChanged -= HandleDataContextPropertyChanged;
vmINPC.PropertyChanged += HandleDataContextPropertyChanged;
}
var viewINPC = bindingExpression.Binding.ViewSource as INotifyPropertyChanged;
if (viewINPC != null)
{
viewINPC.PropertyChanged -= HandleDataContextPropertyChanged;
viewINPC.PropertyChanged += HandleDataContextPropertyChanged;
}
}
}
else
{
if (binderKey == null)
{
_Bindings.Add(new PropertyBinder()
{
Object = target, Property = targetProperty
}, binding);
}
else
{
_Bindings[binderKey] = binding;
}
}
return(bindingExpression);
}
public BindingNode(IBindingExpression bindingExpression)
{
BindingExpression = bindingExpression;
}
public static IBindingExpression SetBinding(IBindable target, Binding binding)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (binding == null)
{
throw new ArgumentNullException("binding");
}
var targetProperty = binding.TargetPath;
IBindingExpression bindingExpression = null;
object dataBinding = target.DataBinding;
object nestedTarget = dataBinding;
var element = target as IElement;
MemberInfo memberInfo = null;
FieldInfo bindablePropertyInfo = null;
if (dataBinding != null)
{
var name = string.Concat(targetProperty, "Property");
bindablePropertyInfo = dataBinding.GetType().GetField(name, BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
name = string.Concat(name, ".ControlValue");
memberInfo = dataBinding.GetType().GetNestedMember(ref nestedTarget, name, false);
if (memberInfo != null)
{
binding.TargetPath = name;
binding.Target = nestedTarget;
}
}
var targetReady = memberInfo != null && nestedTarget != null && binding.Source != null;
if (targetReady)
{
if (_BindingExpressions == null)
{
_BindingExpressions = new List <IBindingExpression>();
}
bindingExpression = GetBindingExpression(binding);
if (bindingExpression != null)
{
_BindingExpressions.Remove(bindingExpression);
}
bindingExpression = new BindingExpression(binding, memberInfo, nestedTarget)
{
Element = element
};
_BindingExpressions.Add(bindingExpression);
var vmINPC = bindingExpression.Binding.Source as INotifyPropertyChanged;
if (vmINPC != null)
{
vmINPC.PropertyChanged -= HandleDataContextPropertyChanged;
vmINPC.PropertyChanged += HandleDataContextPropertyChanged;
}
var viewINPC = bindingExpression.Binding.ViewSource as INotifyPropertyChanged;
if (viewINPC != null)
{
viewINPC.PropertyChanged -= HandleDataContextPropertyChanged;
viewINPC.PropertyChanged += HandleDataContextPropertyChanged;
}
var sourceValue = bindingExpression.GetSourceValue();
var sourceCollection = sourceValue as INotifyCollectionChanged;
if (sourceCollection != null)
{
throw new NotImplementedException("TODO: implement collections for binding in BindingOperations.cs");
//SetNotificationCollectionHandler(bindingExpression, sourceCollection);
}
}
else
{
var binderKey = _Bindings.SingleOrDefault((kvp) => kvp.Key.Object == target && kvp.Key.Property == targetProperty).Key;
if (binderKey == null)
{
_Bindings.Add(new PropertyBinder()
{
Object = target, Property = targetProperty
}, binding);
}
else
{
_Bindings[binderKey] = binding;
}
}
if (bindablePropertyInfo != null)
{
var bindableProperty = bindablePropertyInfo.GetValue(dataBinding) as BindableProperty;
if (bindableProperty != null)
{
bindableProperty.BindingExpression = bindingExpression;
}
}
return(bindingExpression);
}
public override void SetUp()
{
base.SetUp();
this.Expression = this.GetExpression();
}
public void Initialize()
{
bindingExpression = BindingUtility.NewExpression(this);
isInitialize = true;
}
