/// <summary>
/// Colors then rebuilds the string that is displayed in the RichTextBox.
/// </summary>
public void ColorDisplayText(CalculatorResultsViewModel calcResultsVM)
{
DisplayRichTextBox.Document.Blocks.Clear();
var profitPercentage = calcResultsVM.ProfitPercentage;
var profitPercentageString = profitPercentage.ToString() + "%";
var displayText = calcResultsVM.DisplayText;
string[] splitter = displayText.Split(new string[] { profitPercentageString }, StringSplitOptions.None);
if (splitter.Count() == 2)
{
AppendText(DisplayRichTextBox, splitter[0], Brushes.Black);
if (profitPercentage < 0)
{
AppendText(DisplayRichTextBox, profitPercentageString, (FindResource("NegativeLossBrush") as SolidColorBrush));
}
else if (profitPercentage > 0)
{
AppendText(DisplayRichTextBox, profitPercentageString, (FindResource("PositiveGainBrush") as SolidColorBrush));
}
else
{
AppendText(DisplayRichTextBox, profitPercentageString, Brushes.Black);
}
AppendText(DisplayRichTextBox, splitter[1], Brushes.Black);
DisplayRichTextBox.Document.TextAlignment = TextAlignment.Center;
}
else
{
AppendText(DisplayRichTextBox, displayText, Brushes.Black);
DisplayRichTextBox.Document.TextAlignment = TextAlignment.Center;
}
}
private void Instance_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
CalculatorResultsViewModel calcResultsVM = sender as CalculatorResultsViewModel;
if (calcResultsVM == null)
{
return;
}
if (e.PropertyName == "DisplayText")
{
ColorDisplayText(calcResultsVM);
}
}
public Processor(CalculatorResultsViewModel calcResultsVM)
{
_calcResultsVM = calcResultsVM;
}
