public override object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is TimeSpan))
{
return(DependencyProperty.UnsetValue);
}
// префикс, если в конце пробел: 'через '
var isPrefix = false;
var label = parameter as string;
if (label != null && label.Length > 0)
{
isPrefix = label.Last() == ' ';
label = label.Trim();
}
TimeSpan ts = (TimeSpan)value;
var sameTime = "в то же время";
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3, sameTime);
if (label == null || str == sameTime)
{
return(str);
}
else
if (isPrefix)
{
return(string.Format("{0} {1}", label, str));
}
else
{
return(string.Format("{0} {1}", str, label));
}
}
public void Negative()
{
DateTime one = new DateTime(2014, 1, 2, 15, 6, 0);
DateTime two = new DateTime(2014, 1, 1, 19, 5, 0);
var ts = two - one;
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3, "equal");
Assert.AreEqual("equal", str);
}
public void LessThanDaySameHours()
{
DateTime one = new DateTime(2014, 1, 1, 20, 5, 0);
DateTime two = new DateTime(2014, 1, 1, 20, 6, 0);
var ts = two - one;
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3);
Assert.AreEqual("0 ч 1 м", str);
}
public void SameTime()
{
DateTime one = new DateTime(2014, 1, 1, 15, 5, 0);
DateTime two = new DateTime(2014, 1, 3, 15, 5, 0);
var ts = two - one;
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3);
Assert.AreEqual("2 дня 0 ч", str);
}
public void ManyDays()
{
DateTime one = new DateTime(2014, 1, 1);
DateTime two = new DateTime(2014, 1, 5);
var ts = two - one;
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3);
Assert.AreEqual("4 дня", str);
}
public void Common()
{
DateTime one = new DateTime(2014, 1, 1, 0, 0, 0);
DateTime two = new DateTime(2014, 1, 3, 6, 5, 0);
var ts = two - one;
var str = TimeSpanFormatter.GetTimeSpanString(ts, 3);
Assert.AreEqual("2 дня 6 ч 5 м", str);
}