public static void UpdateSourceValue <TRoot, TSource, TSourceValue, TTarget, TTargetValue>(
ITwoWayBindingControl <TSourceValue, TTargetValue> bindingControl,
ref DataBindingState <TRoot, TSource, TSourceValue, TTarget, TTargetValue> dataBindingState,
Action <TSource, TSourceValue> setSourceValue)
where TTarget : DependencyObject
{
if (dataBindingState.IsUpdating)
{
return;
}
var source = dataBindingState.BindingContext.Source;
if (source != null)
{
var target = dataBindingState.Target;
if (target != null)
{
var targetValue = dataBindingState.GetTargetValue(target);
var sourceValue = dataBindingState.ConversionParameters.ValueConverter != null
? dataBindingState.ConversionParameters.ValueConverter.ConvertBack(
targetValue,
typeof(TSourceValue),
dataBindingState.ConversionParameters.ConverterParameter,
#if WINDOWS_UWP
(string)target.GetValue(FrameworkElement.LanguageProperty))
#else
((XmlLanguage)target.GetValue(FrameworkElement.LanguageProperty)).GetSpecificCulture())
#endif
: bindingControl.GetSourceValue(targetValue);
/*if (!Equals(sourceValue, dataBindingState.CurrentSourceValue))
* {*/
dataBindingState.IsUpdating = true;
//// dataBindingState.CurrentSourceValue = sourceValue;
setSourceValue(source, sourceValue);
dataBindingState.IsUpdating = false;
//// }
}
}
dataBindingState.CurrentSource = source;
}
/// <summary>Initializes a new instance of the <see cref="DataBinding{TRoot, TSource,TSourceValue,TTarget,TTargetValue}"/> class.</summary>
/// <param name="id">The id.</param>
/// <param name="bindingContext">The data context.</param>
/// <param name="target">The target.</param>
/// <param name="sourceProperty">The source property.</param>
/// <param name="getSourceValue">The get source value.</param>
/// <param name="targetProperty">The target property.</param>
/// <param name="getTargetValue">The get target value.</param>
/// <param name="setSource">The set source.</param>
/// <param name="updateSourceTrigger">The update source trigger value.</param>
/// <param name="bindingMode">The binding mode value.</param>
public DataBinding(
int id,
IBindingContext <TRoot, TSource> bindingContext,
TTarget target,
INotifyingProperty <TSource> sourceProperty,
Func <TSource, TSourceValue> getSourceValue,
DependencyProperty targetProperty,
Func <TTarget, TTargetValue> getTargetValue,
Action <TSource, TSourceValue> setSource,
UpdateSourceTrigger updateSourceTrigger,
BindingMode bindingMode)
{
this.sourceProperty = sourceProperty;
this.setSource = setSource;
DataBindingHelper.GetNotificationParameters(target, targetProperty, ref bindingMode, ref updateSourceTrigger);
DataBindingHelper.TryRegisterLostFocus(target, updateSourceTrigger, this.OnTargetLostFocus);
var conversionParameters = ConversionProvider.GetConversionParameters <TSourceValue, TTargetValue>(target, id, bindingMode);
this.dataBindingState = new DataBindingState <TRoot, TSource, TSourceValue, TTarget, TTargetValue>(bindingContext, target, targetProperty, getTargetValue, getSourceValue, bindingMode, updateSourceTrigger, conversionParameters);
this.sourceProperty.Initialize(this);
}
/// <summary>Initializes a new instance of the <see cref="DataBindingOneWay{TRoot,TSource,TTarget,TValue}"/> class.</summary>
/// <param name="id">The id.</param>
/// <param name="bindingContext">The data context.</param>
/// <param name="target">The target.</param>
/// <param name="sourceProperty">The source property.</param>
/// <param name="getSourceValue">The get source value.</param>
/// <param name="targetProperty">The target property.</param>
/// <param name="getTargetValue">The get target value.</param>
/// <param name="bindingMode">The binding mode value.</param>
public DataBindingOneWay(
int id,
IBindingContext <TRoot, TSource> bindingContext,
TTarget target,
INotifyingProperty <TSource> sourceProperty,
Func <TSource, TValue> getSourceValue,
DependencyProperty targetProperty,
Func <TTarget, TValue> getTargetValue,
BindingMode bindingMode)
{
this.sourceProperty = sourceProperty;
var conversionParameters = ConversionProvider.GetConversionParameters <TValue, TValue>(target, id);
this.dataBindingState = new DataBindingState <TRoot, TSource, TValue, TTarget, TValue>(
bindingContext,
target,
targetProperty,
getTargetValue,
getSourceValue,
bindingMode,
UpdateSourceTrigger.Explicit,
conversionParameters);
this.sourceProperty.Initialize(this);
}
