public bool IsValid(T toCheck)
{
if (MinimumSet)
{
var comparison = Minimum.CompareTo(toCheck);
if (comparison < 0)
{
return(true);
}
if (IncludeMinimumEqual && comparison == 0)
{
return(true);
}
}
if (MaximumSet)
{
var comparison = Maximum.CompareTo(toCheck);
if (comparison > 0)
{
return(false);
}
if (IncludeMaximumEqual && comparison == 0)
{
return(true);
}
}
return(false);
}
public int CompareTo(Range <T> range)
{
if (Value.CompareTo(range.Value) != 0)
{
return(Value.CompareTo(range.Value));
}
if (Minimum.CompareTo(range.Minimum) != 0)
{
return(Minimum.CompareTo(range.Minimum));
}
if (Maximum.CompareTo(range.Maximum) != 0)
{
return(Maximum.CompareTo(range.Maximum));
}
if (MinimumBoundary != range.MinimumBoundary)
{
return(MinimumBoundary.CompareTo(range.Minimum));
}
if (MaximumBoundary != range.MaximumBoundary)
{
return(MaximumBoundary.CompareTo(range.MaximumBoundary));
}
return(0);
}
protected override bool ConditionApplies(ModelInstance root)
{
object value = root[Property];
if (value == null || (value is double && double.IsNaN((double)value)))
{
return(false);
}
// min <= value <= max
// CompareTo = 0: equal, >0: instance > value
if (Minimum != null && Maximum != null)
{
return(Minimum.CompareTo(value) > 0 && Maximum.CompareTo(value) < 0);
}
else if (Minimum != null)
{
return(Minimum.CompareTo(value) > 0);
}
else if (Maximum != null)
{
return(Maximum.CompareTo(value) < 0);
}
else
{
return(false);
}
}
public bool Equals(Range <T> range)
{
return((Value.CompareTo(range.Value) == 0) &&
(Minimum.CompareTo(range.Minimum) == 0) &&
(Maximum.CompareTo(range.Maximum) == 0) &&
(MinimumBoundary == range.MinimumBoundary) &&
(MaximumBoundary == range.MaximumBoundary));
}
public bool IsOverlapping(IRange <T> other)
{
if (other == null)
{
return(false);
}
return(Maximum.CompareTo(other.Minimum) >= 0 && Minimum.CompareTo(other.Maximum) <= 0);
}
public int CompareTo(T item)
{
if (Minimum.CompareTo(item) > 0)
{
return(-1);
}
if (Maximum.CompareTo(item) < 0)
{
return(1);
}
return(0);
}
/// <summary>
/// Updates the maximum value in the range if the proposed value is greater than the current maximum value.
/// </summary>
/// <param name="proposedMax">New candidate value for the maximum.</param>
public void UpdateMaximum(T proposedMax)
{
if (_maxValid)
{
if (Maximum.CompareTo(proposedMax) < 0)
{
Maximum = proposedMax;
}
}
else
{
Maximum = proposedMax;
}
}
protected override void OnPreviewTextInput(TextCompositionEventArgs e)
{
base.OnPreviewTextInput(e);
if (e.Handled)
{
return;
}
if (e.Text == "-")
{
e.Handled = true;
int newCaretIndex;
if (Text.StartsWith("-") && (this.IsInitial(MaximumProperty) || Maximum.CompareTo(default(T)) >= 0))
{
newCaretIndex = Math.Max(0, CaretIndex - 1);
Text = Text.Substring(1);
}
else if ((this.IsInitial(MinimumProperty) || Minimum.CompareTo(default(T)) < 0))
{
newCaretIndex = CaretIndex + 1;
Text = Text.Insert(0, "-");
}
else
{
ShowNotification();
return;
}
CaretIndex = newCaretIndex;
}
else if (e.Text == DECIMAL_SEPARATOR)
{
if (Text.Contains(DECIMAL_SEPARATOR))
{
e.Handled = true;
ShowNotification();
}
else if (Text == string.Empty)
{
e.Handled = true;
Text = "0" + DECIMAL_SEPARATOR;
CaretIndex = Text.Length;
}
}
}
protected override bool ConditionApplies(ModelInstance root)
{
int value = root.GetList((ModelReferenceProperty)Property).Count;
if (Minimum > 0 && Maximum > 0)
{
return(Minimum.CompareTo(value) > 0 && Maximum.CompareTo(value) < 0);
}
else if (Minimum > 0)
{
return(Minimum.CompareTo(value) > 0);
}
else if (Maximum > 0)
{
return(Maximum.CompareTo(value) < 0);
}
else
{
return(false);
}
}
/// <summary>
/// Checks to see if this range overlaps another range (inclusive)
/// </summary>
/// <param name="other">The other range to compare to</param>
/// <returns>True if the other range in any way overlaps this range, false otherwise</returns>
public bool IsOverlapping(DoubleRange other)
{
return(Maximum.CompareTo(other.Minimum) >= 0 && Minimum.CompareTo(other.Maximum) <= 0);
}
/// <summary>
/// Checks to see if this range is a proper sub range of another range (inclusive)
/// </summary>
/// <param name="other">The other range to compare to</param>
/// <returns>True if this range is fully enclosed by the other range, false otherwise</returns>
public bool IsSubRange(DoubleRange other)
{
return(Maximum.CompareTo(other.Maximum) <= 0 && Minimum.CompareTo(other.Minimum) >= 0);
}