private void LoadMetadata(bool forceUpdate)
{
ValidationMetadata objB = null;
object entity = null;
BindingExpression bindingExpression = null;
if (!string.IsNullOrEmpty(this.PropertyPath))
{
entity = base.DataContext;
objB = ValidationHelper.ParseMetadata(this.PropertyPath, entity);
}
else if (this.Target != null)
{
objB = ValidationHelper.ParseMetadata(this.Target, forceUpdate, out entity, out bindingExpression);
}
if (!ReferenceEquals(this.ValidationMetadata, objB))
{
this.ValidationMetadata = objB;
if (!this._descriptionOverridden)
{
string description = null;
if (this.ValidationMetadata != null)
{
description = this.ValidationMetadata.Description;
}
base.SetValue(DescriptionProperty, description);
}
}
}
internal static ValidationMetadata ParseMetadata(string bindingPath, object entity)
{
if ((entity != null) && !string.IsNullOrEmpty(bindingPath))
{
PropertyInfo property = GetProperty(GetCustomOrCLRType(entity), bindingPath);
if (property != null)
{
ValidationMetadata metadata = new ValidationMetadata();
foreach (object obj2 in property.GetCustomAttributes(false))
{
RequiredAttribute attribute = obj2 as RequiredAttribute;
if (attribute != null)
{
metadata.IsRequired = true;
}
else
{
DisplayAttribute attribute2 = obj2 as DisplayAttribute;
if (attribute2 != null)
{
metadata.Description = attribute2.GetDescription();
metadata.Caption = attribute2.GetName();
}
}
}
if (metadata.Caption == null)
{
metadata.Caption = property.Name;
}
return(metadata);
}
}
return(null);
}
internal static void SetValidationMetadata(DependencyObject inputControl, ValidationMetadata value)
{
if (inputControl == null)
{
throw new ArgumentNullException("inputControl");
}
inputControl.SetValue(ValidationMetadataProperty, value);
}
internal static ValidationMetadata ParseMetadata(FrameworkElement element, bool forceUpdate, out object entity, out BindingExpression bindingExpression)
{
entity = null;
bindingExpression = null;
if (element == null)
{
return(null);
}
if (!forceUpdate)
{
ValidationMetadata metadata = element.GetValue(ValidationMetadataProperty) as ValidationMetadata;
if (metadata != null)
{
return(metadata);
}
}
BindingExpression expression = null;
foreach (FieldInfo info in element.GetType().GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static))
{
if (ReferenceEquals(info.FieldType, typeof(DependencyProperty)))
{
expression = element.GetBindingExpression((DependencyProperty)info.GetValue(null));
if (((expression != null) && (expression.ParentBinding != null)) && (expression.ParentBinding.Path != null))
{
entity = (expression.DataItem != null) ? expression.DataItem : element.DataContext;
if (entity != null)
{
if (expression.ParentBinding.Mode == BindingMode.TwoWay)
{
bindingExpression = expression;
break;
}
if ((bindingExpression == null) || (string.Compare(expression.ParentBinding.Path.Path, bindingExpression.ParentBinding.Path.Path, StringComparison.Ordinal) < 0))
{
bindingExpression = expression;
}
}
}
}
}
if (bindingExpression == null)
{
return(null);
}
ValidationMetadata metadata2 = ParseMetadata(bindingExpression.ParentBinding.Path.Path, entity);
element.SetValue(ValidationMetadataProperty, metadata2);
return(metadata2);
}
private void LoadMetadata(bool forceUpdate)
{
ValidationMetadata objB = null;
object entity = null;
BindingExpression bindingExpression = null;
if (!string.IsNullOrEmpty(this.PropertyPath))
{
entity = base.DataContext;
objB = ValidationHelper.ParseMetadata(this.PropertyPath, entity);
}
else if (this.Target != null)
{
objB = ValidationHelper.ParseMetadata(this.Target, forceUpdate, out entity, out bindingExpression);
}
if (!ReferenceEquals(this.ValidationMetadata, objB))
{
this.ValidationMetadata = objB;
if (this.ValidationMetadata == null)
{
if (this._canContentUseMetaData)
{
this.SetContentInternally(null);
}
}
else
{
string caption = this.ValidationMetadata.Caption;
if ((caption != null) && this._canContentUseMetaData)
{
this.SetContentInternally(caption);
}
}
if (!this._isRequiredOverridden)
{
bool flag = (this.ValidationMetadata != null) && this.ValidationMetadata.IsRequired;
base.SetValue(IsRequiredProperty, flag);
}
}
}