76 lines
2.3 KiB
C#
76 lines
2.3 KiB
C#
|
using Microsoft.Xaml.Behaviors;
|
|||
|
|
using System.Collections.ObjectModel;
|
|||
|
|
using System.Windows;
|
|||
|
|
using System.Windows.Controls;
|
|||
|
|
|
|||
|
|
namespace DM_Weight.Commons.ValidatRules
|
|||
|
|
{
|
|||
|
|
public class ValidationErrorMappingBehavior : Behavior<FrameworkElement>
|
|||
|
|
{
|
|||
|
|
#region Properties
|
|||
|
|
|
|||
|
|
public static readonly DependencyProperty ValidationErrorsProperty =
|
|||
|
|
DependencyProperty.Register("ValidationErrors", typeof(ObservableCollection<ValidationError>),
|
|||
|
|
typeof(ValidationErrorMappingBehavior), new PropertyMetadata(new ObservableCollection<ValidationError>()));
|
|||
|
|
|
|||
|
|
public ObservableCollection<ValidationError> ValidationErrors
|
|||
|
|
{
|
|||
|
|
get { return (ObservableCollection<ValidationError>)this.GetValue(ValidationErrorsProperty); }
|
|||
|
|
set { this.SetValue(ValidationErrorsProperty, value); }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static readonly DependencyProperty HasValidationErrorProperty = DependencyProperty.Register("HasValidationError",
|
|||
|
|
typeof(bool), typeof(ValidationErrorMappingBehavior), new PropertyMetadata(false));
|
|||
|
|
|
|||
|
|
public bool HasValidationError
|
|||
|
|
{
|
|||
|
|
get { return (bool)this.GetValue(HasValidationErrorProperty); }
|
|||
|
|
set { this.SetValue(HasValidationErrorProperty, value); }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Constructors
|
|||
|
|
|
|||
|
|
public ValidationErrorMappingBehavior()
|
|||
|
|
: base()
|
|||
|
|
{ }
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Events & Event Methods
|
|||
|
|
|
|||
|
|
private void Validation_Error(object sender, ValidationErrorEventArgs e)
|
|||
|
|
{
|
|||
|
|
if (e.Action == ValidationErrorEventAction.Added)
|
|||
|
|
{
|
|||
|
|
this.ValidationErrors.Add(e.Error);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
this.ValidationErrors.Remove(e.Error);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.HasValidationError = this.ValidationErrors.Count > 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Support Methods
|
|||
|
|
|
|||
|
|
protected override void OnAttached()
|
|||
|
|
{
|
|||
|
|
base.OnAttached();
|
|||
|
|
Validation.AddErrorHandler(this.AssociatedObject, Validation_Error);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override void OnDetaching()
|
|||
|
|
{
|
|||
|
|
base.OnDetaching();
|
|||
|
|
Validation.RemoveErrorHandler(this.AssociatedObject, Validation_Error);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|