File size: 2,906 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Text;
using System.Windows;
using System.Windows.Data;
namespace Microsoft.Management.UI.Internal
{
/// <summary>
/// Takes a value and returns the largest value which is a integral amount of the second value.
/// </summary>
[SuppressMessage("Microsoft.MSInternal", "CA903:InternalNamespaceShouldNotContainPublicTypes")]
public class IntegralConverter : IMultiValueConverter
{
/// <summary>
/// Takes a value and returns the largest value which is a integral amount of the second value.
/// </summary>
/// <param name="values">
/// The first value is the source. The second is the factor.
/// </param>
/// <param name="targetType">The parameter is not used.</param>
/// <param name="parameter">The padding to subtract from the first value.</param>
/// <param name="culture">The parameter is not used.</param>
/// <returns>
/// The integral value.
/// </returns>
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
ArgumentNullException.ThrowIfNull(values);
if (values.Length != 2)
{
throw new ArgumentException("Two values expected", "values");
}
if (values[0] == DependencyProperty.UnsetValue ||
values[1] == DependencyProperty.UnsetValue)
{
return DependencyProperty.UnsetValue;
}
var source = (double)values[0];
var factor = (double)values[1];
double padding = 0;
if (parameter != null)
{
padding = double.Parse((string)parameter, CultureInfo.InvariantCulture);
}
var newSource = source - padding;
if (newSource < factor)
{
return source;
}
var remainder = newSource % factor;
var result = newSource - remainder;
return result;
}
/// <summary>
/// This method is not used.
/// </summary>
/// <param name="value">The parameter is not used.</param>
/// <param name="targetTypes">The parameter is not used.</param>
/// <param name="parameter">The parameter is not used.</param>
/// <param name="culture">The parameter is not used.</param>
/// <returns>The parameter is not used.</returns>
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
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