MTP2.0_CSharp/Muchinfo.Common/Fx4.0/Muchinfo.ChartClient/MuchInfo.Chart/MuchInfo.Chart.WPF/Helpers/ElementInvalidator.cs

using System.Windows;

namespace MuchInfo.Chart.WPF.Helpers
{
    #region Enumerations

    public enum InvalidationType
    {
        Measure = 1,
        Arrange = 2,
        Visual = 4,
        ParentMeasure = 8,
        ParentArrange = 16
    }

    #endregion Enumerations

    public static class ElementInvalidator
    {
        #region Methods

        #region Public Static Methods

        public static void Invalidate(FrameworkElement target, InvalidationType invalidationTypes)
        {
            if (target != null)
            {
                if ((invalidationTypes & InvalidationType.Measure) != (InvalidationType)0)
                {
                    target.InvalidateMeasure();
                }
                if ((invalidationTypes & InvalidationType.Arrange) != (InvalidationType)0)
                {
                    target.InvalidateArrange();
                }
                if ((invalidationTypes & InvalidationType.Visual) != (InvalidationType)0)
                {
                    target.InvalidateVisual();
                }
                var frameworkElement = target.Parent as FrameworkElement;
                if (frameworkElement != null)
                {
                    if ((invalidationTypes & InvalidationType.ParentMeasure) != (InvalidationType)0)
                    {
                        frameworkElement.InvalidateMeasure();
                    }
                    if ((invalidationTypes & InvalidationType.ParentArrange) != (InvalidationType)0)
                    {
                        frameworkElement.InvalidateArrange();
                    }
                }
            }
        }

        public static void PropertyChanged_InvalidateArrange(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Arrange);
        }

        public static void PropertyChanged_InvalidateMeasure(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Measure);
        }

        public static void PropertyChanged_InvalidateMeasureArrange(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Measure | InvalidationType.Arrange);
        }

        public static void PropertyChanged_InvalidateMeasureArrangeVisual(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Measure | InvalidationType.Arrange | InvalidationType.Visual);
        }

        public static void PropertyChanged_InvalidateMeasureArrangeVisualParentMeasureArrange(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Measure | InvalidationType.Arrange | InvalidationType.Visual | InvalidationType.ParentMeasure | InvalidationType.ParentArrange);
        }

        public static void PropertyChanged_InvalidateParentArrange(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.ParentArrange);
        }

        public static void PropertyChanged_InvalidateParentMeasure(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.ParentMeasure);
        }

        public static void PropertyChanged_InvalidateVisual(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ElementInvalidator.Invalidate(d as FrameworkElement, InvalidationType.Visual);
        }

        #endregion Public Static Methods

        #endregion Methods
    }
}