/// <summary>
/// Creates labels by given ticks info.
/// Is not intended to be called from your code.
/// </summary>
/// <param name="ticksInfo">The ticks info.</param>
/// <returns>
/// Array of <see cref="UIElement"/>s, which are axis labels for specified axis ticks.
/// </returns>
public override UIElement[] CreateLabels(ITicksInfo <double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo <double> tickInfo = new LabelTickInfo <double> {
Info = ticksInfo.Info
};
for (int i = 0; i < res.Length; i++)
{
var tick = ticks[i];
tickInfo.Tick = tick;
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label;
if (labelText.Contains('E'))
{
string[] substrs = labelText.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(String.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
label = new TextBlock(span);
LabelProviderProperties.SetExponentialIsCommonLabel(label, false);
}
else
{
label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
}
res[i] = label;
label.ToolTip = tick.ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, label);
}
return(res);
}
protected override bool ReleaseCore(UIElement label)
{
bool isNotExponential = LabelProviderProperties.GetExponentialIsCommonLabel(label);
return(isNotExponential && CustomView == null);
}
/// <summary>
/// Creates labels by given ticks info.
/// Is not intended to be called from your code.
/// </summary>
/// <param name="ticksInfo">The ticks info.</param>
/// <returns>
/// Array of <see cref="UIElement"/>s, which are axis labels for specified axis ticks.
/// </returns>
public override UIElement[] CreateLabels(ITicksInfo <double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo <double> tickInfo = new LabelTickInfo <double> {
Info = ticksInfo.Info
};
for (int i = 0; i < res.Length; i++)
{
var tick = ticks[i];
tickInfo.Tick = tick;
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label;
if (labelText.Contains('E'))
{
string[] substrs = labelText.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(string.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
label = new TextBlock(span);
LabelProviderProperties.SetExponentialIsCommonLabel(label, false);
}
else
{
label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
}
res[i] = label;
label.ToolTip = tick.ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, label);
}
// need to make the number of digits after the decimal point all the same
// so fill in between the "." and the "E" with zeros to make all the same
var labelsWithDecimal = res.Cast <TextBlock>().Select(tb => tb.Text).Where(t => t.Contains(".")).ToArray();
if (labelsWithDecimal.Length > 0)
{
int decimalPlaces = 0;
foreach (var labelWithDecimal in labelsWithDecimal)
{
if (labelsWithDecimal.Contains("E"))
{
decimalPlaces = Math.Max(decimalPlaces, labelWithDecimal.IndexOf("E") - labelWithDecimal.IndexOf(".") - 1);
}
else
{
decimalPlaces = Math.Max(decimalPlaces, labelWithDecimal.Length - labelWithDecimal.IndexOf(".") - 1);
}
}
foreach (TextBlock tb in res)
{
string text = tb.Text;
int insertionPoint = text.Contains("E") ? text.IndexOf("E") : text.Length;
if (!text.Contains("."))
{
text = text.Insert(insertionPoint, ".");
insertionPoint++;
}
int currentPlaces = insertionPoint - text.IndexOf(".") - 1;
for (int i = currentPlaces; i < decimalPlaces; ++i)
{
text = text.Insert(insertionPoint, "0");
}
tb.Text = text;
}
}
return(res);
}
