/// <summary>
/// Tries to convert a given <paramref name="text"/> into the enum value of a given enum-type <typeparamref name="T"/> using <see cref="ResourceUtil"/>.
/// </summary>
/// <typeparam name="T">The type of the enum.</typeparam>
/// <param name="localeId">The locale id for passing to the resources.</param>
/// <param name="text">The name of the enum member or the value of its <see cref="EnumMemberAttribute"/>.</param>
/// <returns>The enum value.</returns>
public static T LocalizedTextToEnum <T>(string localeId, string text) where T : struct
{
CheckUtil.ThrowIfNullOrEmpty(() => text);
var enumType = typeof(T);
if (!enumType.IsEnum)
{
throw new InvalidOperationException("Type is no enumration.");
}
foreach (var field in enumType.GetFields())
{
var attribute = Attribute.GetCustomAttribute(field, typeof(LocalizedEnumMemberAttribute)) as LocalizedEnumMemberAttribute;
if (attribute != null && !string.IsNullOrEmpty(attribute.ResourceKey))
{
// We found a LocalizedEnumMemberAttribute with a given Value-property ...
var textToSearch = PortableResourceUtil.Get <string>(localeId, attribute.ResourceKey, attribute.ResourceType);
if (textToSearch == text)
{
// ... and we got a match on the value -> we will retrieve the name of the value.
return((T)field.GetValue(null));
}
}
else
{
// We did not find a LocalizedEnumMemberAttribute or it's Value-property was empty ...
if (string.Equals(text, field.Name, StringComparison.OrdinalIgnoreCase))
{
// ... and we got a match on the value -> we will retrieve the name of the value.
return((T)field.GetValue(null));
}
}
}
// If we reach this point, GetFields did not contain the field provided in value
throw new InvalidOperationException("The provided value is not a member of the given Enum type.");
}
/// <summary>
/// Generates a speaking text for a given amount of <paramref name="seconds" />.
/// </summary>
/// <param name="localeId">The locale ID.</param>
/// <param name="seconds">The amount of seconds representing the amount of time.</param>
/// <param name="resourceResolver">An optional function that this method uses to retrieve resource-strings.</param>
/// <returns>The speaking text.</returns>
public static string GetSpeakingTimeString(string localeId, long seconds, Func <string, string> resourceResolver = null)
{
if (resourceResolver == null)
{
resourceResolver = key => PortableResourceUtil.Get(localeId, key);
}
var span = TimeSpan.FromSeconds(seconds);
var builder = new StringBuilder();
var resourceKey = string.Empty;
if (span.Days > 365)
{
var years = span.Days / 365;
span = span.Subtract(TimeSpan.FromSeconds(years * UnitConversionCalculator.SecondsPerYear));
resourceKey = years != 1 ? "TimePartYearPlural" : "TimePartYearSingular";
builder.AppendFormat("{0} {1} ", years, resourceResolver(resourceKey));
}
if (span.Days > 29)
{
var months = span.Days / 30;
span = span.Subtract(TimeSpan.FromSeconds(months * UnitConversionCalculator.SecondsPerMonth));
resourceKey = months != 1 ? "TimePartMonthPlural" : "TimePartMonthSingular";
builder.AppendFormat("{0} {1} ", months, resourceResolver(resourceKey));
}
if (span.Days > 6)
{
var weeks = span.Days / 7;
span = span.Subtract(TimeSpan.FromSeconds(weeks * UnitConversionCalculator.SecondsPerWeek));
resourceKey = weeks != 1 ? "TimePartWeekPlural" : "TimePartWeekSingular";
builder.AppendFormat("{0} {1} ", weeks, resourceResolver(resourceKey));
}
if (span.Days >= 1)
{
resourceKey = span.Days != 1 ? "TimePartDayPlural" : "TimePartDaySingular";
builder.AppendFormat("{0} {1} ", span.Days, resourceResolver(resourceKey));
span = span.Subtract(TimeSpan.FromSeconds(span.Days * UnitConversionCalculator.SecondsPerDay));
}
resourceKey = span.Hours != 1 ? "TimePartHourPlural" : "TimePartHourSingular";
builder.AppendFormat("{0} {1} ", span.Hours, resourceResolver(resourceKey));
span = span.Subtract(TimeSpan.FromSeconds(span.Hours * 60 * 60));
resourceKey = span.Minutes != 1 ? "TimePartMinutePlural" : "TimePartMinuteSingular";
builder.AppendFormat("{0} {1} ", span.Minutes, resourceResolver(resourceKey));
span = span.Subtract(TimeSpan.FromSeconds(span.Hours * 60));
resourceKey = span.Seconds != 1 ? "TimePartSecondPlural" : "TimePartSecondSingular";
builder.AppendFormat("{0} {1} ", span.Seconds, resourceResolver(resourceKey));
return(builder.ToString().Trim());
}
public static string LocalizedEnumValueToText <T>(string localeId, Enum value)
{
if (value == null)
{
return(string.Empty);
}
var enumType = typeof(T);
if (!enumType.IsEnum)
{
throw new InvalidOperationException("Type is no enumration.");
}
// get the source-code name of the enum-value
var valueAsText = value.ToString("G");
// try to get the LocalizedEnumMemberAttribute for this enum-value
var enumMemberAttribute = ((LocalizedEnumMemberAttribute[])enumType.GetField(valueAsText).GetCustomAttributes(typeof(LocalizedEnumMemberAttribute), true)).SingleOrDefault();
// return the attributes value of the name of the enum-value if no LocalizedEnumMemberAttribute was found
return((enumMemberAttribute != null) ? PortableResourceUtil.Get <string>(localeId, enumMemberAttribute.ResourceKey, enumMemberAttribute.ResourceType) : valueAsText);
}
/// <summary>
/// Generates a speaking text for a given amount of <paramref name="seconds" /> with abbrevations for HTML-output.
/// </summary>
/// <param name="localeId">The locale ID.</param>
/// <param name="seconds">The amount of seconds representing the amount of time.</param>
/// <param name="classNameUnits">The name of the CSS-class to format the units with.</param>
/// <param name="resourceResolver">An optional function that this method uses to retrieve resource-strings.</param>
/// <returns>The speaking text in HTML.</returns>
public static string GetSpeakingTimeStringShortHtml(string localeId, long seconds, string classNameUnits, Func <string, string> resourceResolver = null)
{
if (resourceResolver == null)
{
resourceResolver = key => PortableResourceUtil.Get(localeId, key);
}
var span = TimeSpan.FromSeconds(seconds);
var builder = new StringBuilder();
if (span.Days > 365)
{
var years = span.Days / 365;
span = span.Subtract(TimeSpan.FromSeconds(years * UnitConversionCalculator.SecondsPerYear));
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", years, classNameUnits, resourceResolver("TimePartYearShort"));
}
if (span.Days > 29)
{
var months = span.Days / 30;
span = span.Subtract(TimeSpan.FromSeconds(months * UnitConversionCalculator.SecondsPerMonth));
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", months, classNameUnits, resourceResolver("TimePartMonthShort"));
}
if (span.Days > 6)
{
var weeks = span.Days / 7;
span = span.Subtract(TimeSpan.FromSeconds(weeks * UnitConversionCalculator.SecondsPerWeek));
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", weeks, classNameUnits, resourceResolver("TimePartWeekShort"));
}
if (span.Days >= 1)
{
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", span.Days, classNameUnits, resourceResolver("TimePartDayShort"));
span = span.Subtract(TimeSpan.FromSeconds(span.Days * UnitConversionCalculator.SecondsPerDay));
}
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", span.Hours, classNameUnits, resourceResolver("TimePartHourShort"));
span = span.Subtract(TimeSpan.FromSeconds(span.Hours * 60 * 60));
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", span.Minutes, classNameUnits, resourceResolver("TimePartMinuteShort"));
span = span.Subtract(TimeSpan.FromSeconds(span.Hours * 60));
builder.AppendFormat("{0}<span class=\"{1}\">{2}</span>", span.Seconds, classNameUnits, resourceResolver("TimePartSecondShort"));
return(builder.ToString().Trim());
}
